Change the first row by adding to it times the second row. Give the abbreviation of the indicated operation. 1 1 1 A 0 1 3 [9.99) The transformed matrix is . (Simplify your answers.) 0 1 The abbreviation of the indicated operation is R + ROORO

Answers

Answer 1

The transformed matrix obtained by adding the second row to the first row is [1 2 4; 0 1 3]. The abbreviation of the indicated operation is [tex]R + R_O.[/tex]

To change the first row of the matrix by adding to it times the second row, we perform the row operation of row addition. The abbreviation for this operation is [tex]R + R_O.[/tex], where R represents the row and O represents the operation.

Starting with the original matrix:

1 1 1

0 1 3

Performing the row operation:

[tex]R_1 = R_1 + R_2[/tex]

1 1 1

0 1 3

The transformed matrix, after simplification, is:

1 2 4

0 1 3

The abbreviation of the indicated operation is [tex]R + R_O.[/tex]

To know more about transformed matrix,

https://brainly.com/question/12894186

#SPJ11


Related Questions

Find a power series for the function, centered at c, and determine the interval of convergence. 2 a) f(x) = 7²-3; c=5 b) f(x) = 2x² +3² ; c=0 7x+3 4x-7 14x +38 c) f(x)=- d) f(x)=- ; c=3 2x² + 3x-2' 6x +31x+35

Answers

We are required to determine the power series for the given functions centered at c and determine the interval of convergence for each function.

a) f(x) = 7²-3; c=5

Here, we can write 7²-3 as 48.

So, we have to find the power series of 48 centered at 5.

The power series for any constant is the constant itself.

So, the power series for 48 is 48 itself.

The interval of convergence is also the point at which the series converges, which is only at x = 5.

Hence the interval of convergence for the given function is [5, 5].

b) f(x) = 2x² +3² ; c=0

Here, we can write 3² as 9.

So, we have to find the power series of 2x²+9 centered at 0.

Using the power series for x², we can write the power series for 2x² as 2x² = 2(x^2).

Now, the power series for 2x²+9 is 2(x^2) + 9.

For the interval of convergence, we can find the radius of convergence R using the formula:

`R= 1/lim n→∞|an/a{n+1}|`,

where an = 2ⁿ/n!

Using this formula, we can find that the radius of convergence is ∞.

Hence the interval of convergence for the given function is (-∞, ∞).c) f(x)=- d) f(x)=- ; c=3

Here, the functions are constant and equal to 0.

So, the power series for both functions would be 0 only.

For both functions, since the power series is 0, the interval of convergence would be the point at which the series converges, which is only at x = 3.

Hence the interval of convergence for both functions is [3, 3].

To know more about convergence visit:

https://brainly.com/question/29258536

#SPJ11

Find a general solution to the differential equation. 1 31 +4y=2 tan 4t 2 2 The general solution is y(t) = C₁ cos (41) + C₂ sin (41) - 25 31 e -IN Question 4, 4.6.17 GEXCES 1 In sec (4t)+ tan (41) cos (41) 2 < Jona HW Sc Poi Find a general solution to the differential equation. 1 3t y"+2y=2 tan 2t- e 2 3t The general solution is y(t) = C₁ cos 2t + C₂ sin 2t - e 26 1 In |sec 2t + tan 2t| cos 2t. --

Answers

The general solution to the given differential equation is y(t) = [tex]C_{1}\ cos{2t}\ + C_{2} \ sin{2t} - e^{2/3t}[/tex], where C₁ and C₂ are constants.

The given differential equation is a second-order linear homogeneous equation with constant coefficients. Its characteristic equation is [tex]r^2[/tex] + 2 = 0, which has complex roots r = ±i√2. Since the roots are complex, the general solution will involve trigonometric functions.

Let's assume the solution has the form y(t) = [tex]e^{rt}[/tex]. Substituting this into the differential equation, we get [tex]r^2e^{rt} + 2e^{rt} = 0[/tex]. Dividing both sides by [tex]e^{rt}[/tex], we obtain the characteristic equation [tex]r^2[/tex] + 2 = 0.

The complex roots of the characteristic equation are r = ±i√2. Using Euler's formula, we can rewrite these roots as r₁ = i√2 and r₂ = -i√2. The general solution for the homogeneous equation is y_h(t) = [tex]C_{1}e^{r_{1} t} + C_{2}e^{r_{2}t}[/tex]

Next, we need to find the particular solution for the given non-homogeneous equation. The non-homogeneous term includes a tangent function and an exponential term. We can use the method of undetermined coefficients to find a particular solution. Assuming y_p(t) has the form [tex]A \tan{2t} + Be^{2/3t}[/tex], we substitute it into the differential equation and solve for the coefficients A and B.

After finding the particular solution, we can add it to the general solution of the homogeneous equation to obtain the general solution of the non-homogeneous equation: y(t) = y_h(t) + y_p(t). Simplifying the expression, we arrive at the general solution y(t) = C₁ cos(2t) + C₂ sin(2t) - [tex]e^{2/3t}[/tex], where C₁ and C₂ are arbitrary constants determined by initial conditions or boundary conditions.

Learn more about differential equation here:

https://brainly.com/question/32538700

#SPJ11

Someone help please!

Answers

The graph A is the graph of the function [tex]f(x) = -x^4 + 9[/tex].

What is the end behavior of a function?

The end behavior of a function refers to how the function behaves as the input variable approaches positive or negative infinity.

The function in this problem is given as follows:

[tex]f(x) = -x^4 + 9[/tex]

It has a negative leading coefficient with an even root, meaning that the function will approach negative infinity both to the left and to the right of the graph.

Hence the graph A is the graph of the function [tex]f(x) = -x^4 + 9[/tex].

More can be learned about the end behavior of a function at brainly.com/question/1365136

#SPJ1

Consider the following function e-1/x² f(x) if x #0 if x = 0. a Find a value of a that makes f differentiable on (-[infinity], +[infinity]). No credit will be awarded if l'Hospital's rule is used at any point, and you must justify all your work. =

Answers

To make the function f(x) = e^(-1/x²) differentiable on (-∞, +∞), the value of a that satisfies this condition is a = 0.

In order for f(x) to be differentiable at x = 0, the left and right derivatives at that point must be equal. We calculate the left derivative by taking the limit as h approaches 0- of [f(0+h) - f(0)]/h. Substituting the given function, we obtain the left derivative as lim(h→0-) [e^(-1/h²) - 0]/h. Simplifying, we find that this limit equals 0.

Next, we calculate the right derivative by taking the limit as h approaches 0+ of [f(0+h) - f(0)]/h. Again, substituting the given function, we have lim(h→0+) [e^(-1/h²) - 0]/h. By simplifying and using the properties of exponential functions, we find that this limit also equals 0.

Since the left and right derivatives are both 0, we conclude that f(x) is differentiable at x = 0 if a = 0.

To learn more about derivatives click here:

brainly.com/question/25324584

#SPJ11

Installment Loan
How much of the first
$5000.00
payment for the
installment loan
5 years
12% shown in the table will
go towards interest?
Principal
Term Length
Interest Rate
Monthly Payment $111.00
A. $50.00
C. $65.00
B. $40.00
D. $61.00

Answers

The amount out of the first $ 111 payment that will go towards interest would be A. $ 50. 00.

How to find the interest portion ?

For an installment loan, the first payment is mostly used to pay off the interest. The interest portion of the loan payment can be calculated using the formula:

Interest = Principal x Interest rate / Number of payments per year

Given the information:

Principal is $5000

the Interest rate is 12% per year

number of payments per year is 12

The interest is therefore :

= 5, 000 x 0. 12 / 12 months

= $ 50

Find out more on interest at https://brainly.com/question/31393654

#SPJ1

Use the formula for the amount, A=P(1+rt), to find the indicated quantity Where. A is the amount P is the principal r is the annual simple interest rate (written as a decimal) It is the time in years P=$3,900, r=8%, t=1 year, A=? A=$(Type an integer or a decimal.)

Answers

The amount (A) after one year is $4,212.00

Given that P = $3,900,

r = 8% and

t = 1 year,

we need to find the amount using the formula A = P(1 + rt).

To find the value of A, substitute the given values of P, r, and t into the formula

A = P(1 + rt).

A = P(1 + rt)

A = $3,900 (1 + 0.08 × 1)

A = $3,900 (1 + 0.08)

A = $3,900 (1.08)A = $4,212.00

Therefore, the amount (A) after one year is $4,212.00. Hence, the detail ans is:A = $4,212.00.

Learn more about amount

brainly.com/question/32453941.

#SPJ11

Maximize p = 3x + 3y + 3z + 3w+ 3v subject to x + y ≤ 3 y + z ≤ 6 z + w ≤ 9 w + v ≤ 12 x ≥ 0, y ≥ 0, z ≥ 0, w z 0, v ≥ 0. P = 3 X (x, y, z, w, v) = 0,21,0,24,0 x × ) Submit Answer

Answers

To maximize the objective function p = 3x + 3y + 3z + 3w + 3v, subject to the given constraints, we can use linear programming techniques. The solution involves finding the corner point of the feasible region that maximizes the objective function.

The given problem can be formulated as a linear programming problem with the objective function p = 3x + 3y + 3z + 3w + 3v and the following constraints:

1. x + y ≤ 3

2. y + z ≤ 6

3. z + w ≤ 9

4. w + v ≤ 12

5. x ≥ 0, y ≥ 0, z ≥ 0, w ≥ 0, v ≥ 0

To find the maximum value of p, we need to identify the corner points of the feasible region defined by these constraints. We can solve the system of inequalities to determine the feasible region.

Given the point (x, y, z, w, v) = (0, 21, 0, 24, 0), we can substitute these values into the objective function p to obtain:

p = 3(0) + 3(21) + 3(0) + 3(24) + 3(0) = 3(21 + 24) = 3(45) = 135.

Therefore, at the point (0, 21, 0, 24, 0), the value of p is 135.

Please note that the solution provided is specific to the given point (0, 21, 0, 24, 0), and it is necessary to evaluate the objective function at all corner points of the feasible region to identify the maximum value of p.

Learn more about inequalities here:

https://brainly.com/question/20383699

#SPJ11

Classroom Assignment Name Date Solve the problem. 1) 1) A projectile is thrown upward so that its distance above the ground after t seconds is h=-1212 + 360t. After how many seconds does it reach its maximum height? 2) The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall 2) x, in inches: M(x) = 4x-x2. What rainfall produces the maximum number of mosquitoes? 3) The cost in millions of dollars for a company to manufacture x thousand automobiles is 3) given by the function C(x)=3x2-24x + 144. Find the number of automobiles that must be produced to minimize the cost. 4) The profit that the vendor makes per day by selling x pretzels is given by the function P(x) = -0.004x² +2.4x - 350. Find the number of pretzels that must be sold to maximize profit.

Answers

The projectile reaches its height after 30 seconds, 2 inches of rainfall produces number of mosquitoes, 4 thousand automobiles needed to minimize cost, and 300 pretzels must be sold to maximize profit.

To find the time it takes for the projectile to reach its maximum height, we need to determine the time at which the velocity becomes zero. Since the projectile is thrown upward, the initial velocity is positive and the acceleration is negative due to gravity. The velocity function is v(t) = h'(t) = 360 - 12t. Setting v(t) = 0 and solving for t, we get 360 - 12t = 0. Solving this equation, we find t = 30 seconds. Therefore, the projectile reaches its maximum height after 30 seconds.To find the rainfall that produces the maximum number of mosquitoes, we need to maximize the function M(x) = 4x - x^2. Since this is a quadratic function, we can find the maximum by determining the vertex. The x-coordinate of the vertex can be found using the formula x = -b/(2a), where a = -1 and b = 4. Plugging these values into the formula, we get x = -4/(2*(-1)) = 2 inches of rainfall. Therefore, 2 inches of rainfall produces the maximum number of mosquitoes.

To minimize the cost of manufacturing automobiles, we need to find the number of automobiles that minimizes the cost function C(x) = 3x^2 - 24x + 144. Since this is a quadratic function, the minimum occurs at the vertex. The x-coordinate of the vertex can be found using the formula x = -b/(2a), where a = 3 and b = -24. Plugging these values into the formula, we get x = -(-24)/(2*3) = 4 thousand automobiles. Therefore, 4 thousand automobiles must be produced to minimize the cost.

To maximize the profit from selling pretzels, we need to find the number of pretzels that maximizes the profit function P(x) = -0.004x^2 + 2.4x - 350. Since this is a quadratic function, the maximum occurs at the vertex. The x-coordinate of the vertex can be found using the formula x = -b/(2a), where a = -0.004 and b = 2.4. Plugging these values into the formula, we get x = -2.4/(2*(-0.004)) = 300 pretzels. Therefore, 300 pretzels must be sold to maximize the profit.

To learn more about projectile click here : brainly.com/question/28043302

#SPJ11

You will begin with a relatively standard calculation Consider a concave spherical mirror with a radius of curvature equal to 60.0 centimeters. An object 6 00 centimeters tall is placed along the axis of the mirror, 45.0 centimeters from the mirror. You are to find the location and height of the image. Part G What is the magnification n?. Part J What is the value of s' obtained from this new equation? Express your answer in terms of s.

Answers

The magnification n can be found by using the formula n = -s'/s, where s' is the image distance and s is the object distance. The value of s' obtained from this new equation can be found by rearranging the formula to s' = -ns.


To find the magnification n, we can use the formula n = -s'/s, where s' is the image distance and s is the object distance. In this case, the object is placed 45.0 centimeters from the mirror, so s = 45.0 cm. The magnification can be found by calculating the ratio of the image distance to the object distance. By rearranging the formula, we get n = -s'/s.

To find the value of s' obtained from this new equation, we can rearrange the formula n = -s'/s to solve for s'. This gives us s' = -ns. By substituting the value of n calculated earlier, we can find the value of s'. The negative sign indicates that the image is inverted.

Using the given values, we can now calculate the magnification and the value of s'. Plugging in s = 45.0 cm, we find that s' = -ns = -(2/3)(45.0 cm) = -30.0 cm. This means that the image is located 30.0 centimeters from the mirror and is inverted compared to the object.

To know more about Image visit.

https://brainly.com/question/30725545

#SPJ11

ind the differential dy. y=ex/2 dy = (b) Evaluate dy for the given values of x and dx. x = 0, dx = 0.05 dy Need Help? MY NOTES 27. [-/1 Points] DETAILS SCALCET9 3.10.033. Use a linear approximation (or differentials) to estimate the given number. (Round your answer to five decimal places.) √/28 ASK YOUR TEACHER PRACTICE ANOTHER

Answers

a) dy = (1/4) ex dx

b) the differential dy is 0.0125 when x = 0 and dx = 0.05.

To find the differential dy, given the function y=ex/2, we can use the following formula:

dy = (dy/dx) dx

We need to differentiate the given function with respect to x to find dy/dx.

Using the chain rule, we get:

dy/dx = (1/2) ex/2 * (d/dx) (ex/2)

dy/dx = (1/2) ex/2 * (1/2) ex/2 * (d/dx) (x)

dy/dx = (1/4) ex/2 * ex/2

dy/dx = (1/4) ex

Using the above formula, we get:

dy = (1/4) ex dx

Now, we can substitute the given values x = 0 and dx = 0.05 to find dy:

dy = (1/4) e0 * 0.05

dy = (1/4) * 0.05

dy = 0.0125

To learn more about function, refer:-

https://brainly.com/question/31062578

#SPJ11

Find f'(x) for f'(x) = f(x) = (x² + 1) sec(x)

Answers

Given, f'(x) = f(x)

= (x² + 1)sec(x).

To find the derivative of the given function, we use the product rule of derivatives

Where the first function is (x² + 1) and the second function is sec(x).

By using the product rule of differentiation, we get:

f'(x) = (x² + 1) * d(sec(x)) / dx + sec(x) * d(x² + 1) / dx

The derivative of sec(x) is given as,

d(sec(x)) / dx = sec(x)tan(x).

Differentiating (x² + 1) w.r.t. x gives d(x² + 1) / dx = 2x.

Substituting the values in the above formula, we get:

f'(x) = (x² + 1) * sec(x)tan(x) + sec(x) * 2x

= sec(x) * (tan(x) * (x² + 1) + 2x)

Therefore, the derivative of the given function f'(x) is,

f'(x) = sec(x) * (tan(x) * (x² + 1) + 2x).

Hence, the answer is that

f'(x) = sec(x) * (tan(x) * (x² + 1) + 2x)

To know more about values  visit:

https://brainly.com/question/1578158

#SPJ11

Consider this function.

f(x) = |x – 4| + 6

If the domain is restricted to the portion of the graph with a positive slope, how are the domain and range of the function and its inverse related?

Answers

The domain of the inverse function will be y ≥ 6, and the range of the inverse function will be x > 4.

When the domain is restricted to the portion of the graph with a positive slope, it means that only the values of x that result in a positive slope will be considered.

In the given function, f(x) = |x – 4| + 6, the portion of the graph with a positive slope occurs when x > 4. Therefore, the domain of the function is x > 4.

The range of the function can be determined by analyzing the behavior of the absolute value function. Since the expression inside the absolute value is x - 4, the minimum value the absolute value can be is 0 when x = 4.

As x increases, the value of the absolute value function increases as well. Thus, the range of the function is y ≥ 6, because the lowest value the function can take is 6 when x = 4.

Now, let's consider the inverse function. The inverse of the function swaps the roles of x and y. Therefore, the domain and range of the inverse function will be the range and domain of the original function, respectively.

For more such questions on domain,click on

https://brainly.com/question/2264373

#SPJ8  

A rumor spreads in a college dormitory according to the model dR R = 0.5R (1- - dt 120 where t is time in hours. Only 2 people knew the rumor to start with. Using the Improved Euler's method approximate how many people in the dormitory have heard the rumor after 3 hours using a step size of 1?

Answers

The number of people who have heard the rumor after 3 hours of using Improved Euler's method with a step size of 1 is R(3).  

The Improved Euler's method is a numerical approximation technique used to solve differential equations. It involves taking small steps and updating the solution at each step based on the slope at that point.

To approximate the number of people who have heard the rumor after 3 hours, we start with the initial condition R(0) = 2 (since only 2 people knew the rumor to start with) and use the Improved Euler's method with a step size of 1.

Let's perform the calculation step by step:

At t = 0, R(0) = 2 (given initial condition)

Using the Improved Euler's method:

k1 = 0.5 * R(0) * (1 - R(0)/120) = 0.5 * 2 * (1 - 2/120) = 0.0167

k2 = 0.5 * (R(0) + 1 * k1) * (1 - (R(0) + 1 * k1)/120) = 0.5 * (2 + 1 * 0.0167) * (1 - (2 + 1 * 0.0167)/120) = 0.0166

Approximate value of R(1) = R(0) + 1 * k2 = 2 + 1 * 0.0166 = 2.0166

Similarly, we can continue this process for t = 2, 3, and so on.

For t = 3, the approximate value of R(3) represents the number of people who have heard the rumor after 3 hours.

Learn more about Improved Euler's method here:

https://brainly.com/question/30860703

#SPJ11

The line AB passes through the points A(2, -1) and (6, k). The gradient of AB is 5. Work out the value of k.​

Answers

Answer:

Step-by-step explanation:

gradient = 5 = [k-(-1)]/[6-2]

[k+1]/4 = 5

k+1=20

k=19

Final answer:

The value of k in the line that passes through the points A(2, -1) and (6, k) with a gradient of 5 is found to be 19 by using the formula for gradient and solving the resulting equation for k.

Explanation:

To find the value of k in the line that passes through the points A(2, -1) and (6, k) with a gradient of 5, we'll use the formula for gradient, which is (y2 - y1) / (x2 - x1).

The given points can be substituted into the formula as follows: The gradient (m) is 5. The point A(2, -1) will be x1 and y1, and point B(6, k) will be x2 and y2. Now, we set up the formula as follows: 5 = (k - (-1)) / (6 - 2).

By simplifying, the equation becomes 5 = (k + 1) / 4. To find the value of k, we just need to solve this equation for k, which is done by multiplying both sides of the equation by 4 (to get rid of the denominator on the right side) and then subtracting 1 from both sides to isolate k. So, the equation becomes: k = 5 * 4 - 1. After carrying out the multiplication and subtraction, we find that k = 20 - 1 = 19.

Learn more about Line Gradient here:

https://brainly.com/question/30249498

#SPJ2

A pair of shoes has been discounted by 12%. If the sale price is $120, what was the original price of the shoes? [2] (b) The mass of the proton is 1.6726 x 10-27 kg and the mass of the electron is 9.1095 x 10-31 kg. Calculate the ratio of the mass of the proton to the mass of the electron. Write your answer in scientific notation correct to 3 significant figures. [2] (c) Gavin has 50-cent, one-dollar and two-dollar coins in the ratio of 8:1:2, respectively. If 30 of Gavin's coins are two-dollar, how many 50-cent and one-dollar coins does Gavin have? [2] (d) A model city has a scale ratio of 1: 1000. Find the actual height in meters of a building that has a scaled height of 8 cm. [2] (e) A house rent is divided among Akhil, Bob and Carlos in the ratio of 3:7:6. If Akhil's [2] share is $150, calculate the other shares.

Answers

The correct answer is Bob's share is approximately $350 and Carlos's share is approximately $300.

(a) To find the original price of the shoes, we can use the fact that the sale price is 88% of the original price (100% - 12% discount).

Let's denote the original price as x.

The equation can be set up as:

0.88x = $120

To find x, we divide both sides of the equation by 0.88:

x = $120 / 0.88

Using a calculator, we find:

x ≈ $136.36

Therefore, the original price of the shoes was approximately $136.36.

(b) To calculate the ratio of the mass of the proton to the mass of theelectron, we divide the mass of the proton by the mass of the electron.

Mass of proton: 1.6726 x 10^(-27) kg

Mass of electron: 9.1095 x 10^(-31) kg

Ratio = Mass of proton / Mass of electron

Ratio = (1.6726 x 10^(-27)) / (9.1095 x 10^(-31))

Performing the division, we get:

Ratio ≈ 1837.58

Therefore, the ratio of the mass of the proton to the mass of the electron is approximately 1837.58.

(c) Let's assume the common ratio of the coins is x. Then, we can set up the equation:

8x + x + 2x = 30

Combining like terms:11x = 30

Dividing both sides by 11:x = 30 / 11

Since the ratio of 50-cent, one-dollar, and two-dollar coins is 8:1:2, we can multiply the value of x by the respective ratios to find the number of each coin:

50-cent coins: 8x = 8 * (30 / 11)

one-dollar coins: 1x = 1 * (30 / 11)

Calculating the values:

50-cent coins ≈ 21.82

one-dollar coins ≈ 2.73

Since we cannot have fractional coins, we round the values:

50-cent coins ≈ 22

one-dollar coins ≈ 3

Therefore, Gavin has approximately 22 fifty-cent coins and 3 one-dollar coins.

(d) The scale ratio of the model city is 1:1000. This means that 1 cm on the model represents 1000 cm (or 10 meters) in actuality.

Given that the scaled height of the building is 8 cm, we can multiply it by the scale ratio to find the actual height:

Actual height = Scaled height * Scale ratio

Actual height = 8 cm * 10 meters/cm

Calculating the value:

Actual height = 80 meters

Therefore, the actual height of the building is 80 meters.

(e) The ratio of Akhil's share to the total share is 3:16 (3 + 7 + 6 = 16).

Since Akhil's share is $150, we can calculate the total share using the ratio:

Total share = (Total amount / Akhil's share) * Akhil's share

Total share = (16 / 3) * $150

Calculating the value:

Total share ≈ $800

To find Bob's share, we can calculate it using the ratio:

Bob's share = (Bob's ratio / Total ratio) * Total share

Bob's share = (7 / 16) * $800

Calculating the value:

Bob's share ≈ $350

To find Carlos's share, we can calculate it using the ratio:

Carlos's share = (Carlos's ratio / Total ratio) * Total share

Carlos's share = (6 / 16) * $800

Calculating the value:

Carlos's share ≈ $300

Therefore, Bob's share is approximately $350 and Carlos's share is approximately $300.

Learn more about profit and loss here:

https://brainly.com/question/26483369

#SPJ11

Fill the blanks to write general solution for a linear systems whose augmented matrices was reduce to -3 0 0 3 0 6 2 0 6 0 8 0 -1 <-5 0 -7 0 0 0 3 9 0 0 0 0 0 General solution: +e( 0 0 0 0 20 pts

Answers

The general solution is:+e(13 - e3 + e4  e5  -3e6 - 3e7  e8  e9)

we have a unique solution, and the general solution is given by:

x1 = 13 - e3 + e4x2 = e5x3 = -3e6 - 3e7x4 = e8x5 = e9

where e3, e4, e5, e6, e7, e8, and e9 are arbitrary parameters.

To fill the blanks and write the general solution for a linear system whose augmented matrices were reduced to

-3 0 0 3 0 6 2 0 6 0 8 0 -1 -5 0 -7 0 0 0 3 9 0 0 0 0 0,

we need to use the technique of the Gauss-Jordan elimination method. The general solution of the linear system is obtained by setting all the leading variables (variables in the pivot positions) to arbitrary parameters and expressing the non-leading variables in terms of these parameters.

The rank of the coefficient matrix is also calculated to determine the existence of the solution to the linear system.

In the given matrix, we have 5 leading variables, which are the pivots in the first, second, third, seventh, and ninth columns.

So we need 5 parameters, one for each leading variable, to write the general solution.

We get rid of the coefficients below and above the leading variables by performing elementary row operations on the augmented matrix and the result is given below.

-3 0 0 3 0 6 2 0 6 0 8 0 -1 -5 0 -7 0 0 0 3 9 0 0 0 0 0

Adding 2 times row 1 to row 3 and adding 5 times row 1 to row 2, we get

-3 0 0 3 0 6 2 0 0 0 3 0 -1 10 0 -7 0 0 0 3 9 0 0 0 0 0

Dividing row 1 by -3 and adding 7 times row 1 to row 4, we get

1 0 0 -1 0 -2 -2 0 0 0 -1 0 1 -10 0 7 0 0 0 -3 -9 0 0 0 0 0

Adding 2 times row 5 to row 6 and dividing row 5 by -3,

we get1 0 0 -1 0 -2 0 0 0 0 1 0 -1 10 0 7 0 0 0 -3 -9 0 0 0 0 0

Dividing row 3 by 3 and adding row 3 to row 2, we get

1 0 0 -1 0 0 0 0 0 0 1 0 -1 10 0 7 0 0 0 -3 -3 0 0 0 0 0

Adding 3 times row 3 to row 1,

we get

1 0 0 0 0 0 0 0 0 0 1 0 -1 13 0 7 0 0 0 -3 -3 0 0 0 0 0

So, we see that the rank of the coefficient matrix is 5, which is equal to the number of leading variables.

Thus, we have a unique solution, and the general solution is given by:

x1 = 13 - e3 + e4x2 = e5x3 = -3e6 - 3e7x4 = e8x5 = e9

where e3, e4, e5, e6, e7, e8, and e9 are arbitrary parameters.

Hence, the general solution is:+e(13 - e3 + e4  e5  -3e6 - 3e7  e8  e9)

The general solution is:+e(13 - e3 + e4  e5  -3e6 - 3e7  e8  e9)

learn more about coefficient matrix here

https://brainly.com/question/22964625

#SPJ11

If y(x) is the solution to the initial value problem y' - y = x² + x, y(1) = 2. then the value y(2) is equal to: 06 02 0-1

Answers

To find the value of y(2), we need to solve the initial value problem and evaluate the solution at x = 2.

The given initial value problem is:

y' - y = x² + x

y(1) = 2

First, let's find the integrating factor for the homogeneous equation y' - y = 0. The integrating factor is given by e^(∫-1 dx), which simplifies to [tex]e^(-x).[/tex]

Next, we multiply the entire equation by the integrating factor: [tex]e^(-x) * y' - e^(-x) * y = e^(-x) * (x² + x)[/tex]

Applying the product rule to the left side, we get:

[tex](e^(-x) * y)' = e^(-x) * (x² + x)[/tex]

Integrating both sides with respect to x, we have:

∫ ([tex]e^(-x)[/tex]* y)' dx = ∫[tex]e^(-x)[/tex] * (x² + x) dx

Integrating the left side gives us:

[tex]e^(-x)[/tex] * y = -[tex]e^(-x)[/tex]* (x³/3 + x²/2) + C1

Simplifying the right side and dividing through by e^(-x), we get:

y = -x³/3 - x²/2 +[tex]Ce^x[/tex]

Now, let's use the initial condition y(1) = 2 to solve for the constant C:

2 = -1/3 - 1/2 + [tex]Ce^1[/tex]

2 = -5/6 + Ce

C = 17/6

Finally, we substitute the value of C back into the equation and evaluate y(2):

y = -x³/3 - x²/2 + (17/6)[tex]e^x[/tex]

y(2) = -(2)³/3 - (2)²/2 + (17/6)[tex]e^2[/tex]

y(2) = -8/3 - 2 + (17/6)[tex]e^2[/tex]

y(2) = -14/3 + (17/6)[tex]e^2[/tex]

So, the value of y(2) is -14/3 + (17/6)[tex]e^2.[/tex]

Learn more about integrals here:

https://brainly.com/question/30094386

#SPJ11

70-2 Is λ=8 an eigenvalue of 47 7? If so, find one corresponding eigenvector. -32 4 Select the correct choice below and, if necessary, fill in the answer box within your choice. 70-2 Yes, λ=8 is an eigenvalue of 47 7 One corresponding eigenvector is A. -32 4 (Type a vector or list of vectors. Type an integer or simplified fraction for each matrix element.) 70-2 OB. No, λ=8 is not an eigenvalue of 47 7 -32 4

Answers

The correct answer is :Yes, λ=8 is an eigenvalue of 47 7 One corresponding eigenvector is A. -32 4 (Type a vector or list of vectors. Type an integer or simplified fraction for each matrix element.) The corresponding eigenvector is A= [ 7/8; 1].

Given matrix is:

47 7-32 4

The eigenvalue of the matrix can be found by solving the determinant of the matrix when [A- λI]x = 0 where λ is the eigenvalue.

λ=8 , Determinant = |47-8 7|

= |39 7||-32 4 -8|  |32 4|

λ=8 is an eigenvalue of the matrix [47 7; -32 4] and the corresponding eigenvector is:

A= [ 7/8; 1]

Therefore, the correct answer is :Yes, λ=8 is an eigenvalue of 47 7

One corresponding eigenvector is A. -32 4 (Type a vector or list of vectors. Type an integer or simplified fraction for each matrix element.)

The corresponding eigenvector is A= [ 7/8; 1].

To know more about eigenvector visit:

https://brainly.com/question/32593196

#SPJ11

In solving the beam equation, you determined that the general solution is 1 y v=ối 791-x-³ +x. Given that y''(1) = 3 determine 9₁

Answers

Given that y''(1) = 3, determine the value of 9₁.

In order to solve for 9₁ given that y''(1) = 3,

we need to start by differentiating y(x) twice with respect to x.

y(x) = c₁(x-1)³ + c₂(x-1)

where c₁ and c₂ are constantsTaking the first derivative of y(x), we get:

y'(x) = 3c₁(x-1)² + c₂

Taking the second derivative of y(x), we get:

y''(x) = 6c₁(x-1)

Let's substitute x = 1 in the expression for y''(x):

y''(1) = 6c₁(1-1)y''(1)

= 0

However, we're given that y''(1) = 3.

This is a contradiction.

Therefore, there is no value of 9₁ that satisfies the given conditions.

To know more about  derivative visit:

https://brainly.com/question/25324584

#SPJ11

b) V = (y² – x, z² + y, x − 3z) Compute F(V) S(0,3)

Answers

To compute F(V) at the point S(0,3), where V = (y² – x, z² + y, x − 3z), we substitute the values x = 0, y = 3, and z = 0 into the components of V. This yields the vector F(V) at the given point.

Given V = (y² – x, z² + y, x − 3z) and the point S(0,3), we need to compute F(V) at that point.

Substituting x = 0, y = 3, and z = 0 into the components of V, we have:

V = ((3)² - 0, (0)² + 3, 0 - 3(0))

  = (9, 3, 0)

This means that the vector V evaluates to (9, 3, 0) at the point S(0,3).

Now, to compute F(V), we need to apply the transformation F to the vector V. The specific definition of F is not provided in the question. Therefore, without further information about the transformation F, we cannot determine the exact computation of F(V) at the point S(0,3).

In summary, at the point S(0,3), the vector V evaluates to (9, 3, 0). However, the computation of F(V) cannot be determined without the explicit definition of the transformation F.

Learn more about vector here:

https://brainly.com/question/24256726

#SPJ11

This table represents a quadratic function with a vertex at (1, 0). What is the
average rate of change for the interval from x= 5 to x = 6?
A 9
OB. 5
C. 7
D. 25
X
-
2
3
4
5
0
4
9
16
P

Answers

Answer: 9

Step-by-step explanation:

Answer:To find the average rate of change for the interval from x = 5 to x = 6, we need to calculate the change in the function values over that interval and divide it by the change in x.

Given the points (5, 0) and (6, 4), we can calculate the change in the function values:

Change in y = 4 - 0 = 4

Change in x = 6 - 5 = 1

Average rate of change = Change in y / Change in x = 4 / 1 = 4

Therefore, the correct answer is 4. None of the given options (A, B, C, or D) match the correct answer.

Step-by-step explanation:

Select the correct answer.
Which of the following represents a factor from the expression given?
5(3x² +9x) -14
O 15x²
O5
O45x
O 70

Answers

The factor from the expression 5(3x² + 9x) - 14 is not listed among the options you provided. However, I can help you simplify the expression and identify the factors within it.

To simplify the expression, we can distribute the 5 to both terms inside the parentheses:

5(3x² + 9x) - 14 = 15x² + 45x - 14

From this simplified expression, we can identify the factors as follows:

15x²: This represents the term with the variable x squared.

45x: This represents the term with the variable x.

-14: This represents the constant term.

Therefore, the factors from the expression are 15x², 45x, and -14.

In the problem of the 3-D harmonic oscillator, do the step of finding the recurrence relation for the coefficients of d²u the power series solution. That is, for the equation: p + (2l + 2-2p²) + (x − 3 − 2l) pu = 0, try a dp² du dp power series solution of the form u = Σk akp and find the recurrence relation for the coefficients.

Answers

The recurrence relation relates the coefficients ak, ak+1, and ak+2 for each value of k is (2k(k-1) + 1)ak + (2l + 2 - 2(k+1)²) * ak+1 + (x - 3 - 2l) * ak+2 = 0.

To find the recurrence relation for the coefficients of the power series solution, let's substitute the power series form into the differential equation and equate the coefficients of like powers of p.

Given the equation: p + (2l + 2 - 2p²) + (x - 3 - 2l) pu = 0

Let's assume the power series solution takes the form: u = Σk akp

Differentiating u with respect to p twice, we have:

d²u/dp² = Σk ak * d²pⁿ/dp²

The second derivative of p raised to the power n with respect to p can be calculated as follows:

d²pⁿ/dp² = n(n-1)p^(n-2)

Substituting this back into the expression for d²u/dp², we have:

d²u/dp² = Σk ak * n(n-1)p^(n-2)

Now let's substitute this expression for d²u/dp² and the power series form of u into the differential equation:

p + (2l + 2 - 2p²) + (x - 3 - 2l) * p * Σk akp = 0

Expanding and collecting like powers of p, we get:

Σk [(2k(k-1) + 1)ak + (2l + 2 - 2(k+1)²) * ak+1 + (x - 3 - 2l) * ak+2] * p^k = 0

Since the coefficient of each power of p must be zero, we obtain a recurrence relation for the coefficients:

(2k(k-1) + 1)ak + (2l + 2 - 2(k+1)²) * ak+1 + (x - 3 - 2l) * ak+2 = 0

This recurrence relation relates the coefficients ak, ak+1, and ak+2 for each value of k.

To learn more about recurrence relation visit:

brainly.com/question/31384990

#SPJ11

The marginal revenue (in thousands of dollars) from the sale of x gadgets is given by the following function. 2 3 R'(x) = )= 4x(x² +26,000) (a) Find the total revenue function if the revenue from 120 gadgets is $15,879. (b) How many gadgets must be sold for a revenue of at least $45,000?

Answers

To find the total revenue function, we need to integrate the marginal revenue function R'(x) with respect to x.

(a) Total Revenue Function:

We integrate R'(x) = 4x(x² + 26,000) with respect to x:

R(x) = ∫[4x(x² + 26,000)] dx

Expanding and integrating, we get:

R(x) = ∫[4x³ + 104,000x] dx

= x⁴ + 52,000x² + C

Now we can use the given information to find the value of the constant C. We are told that the revenue from 120 gadgets is $15,879, so we can set up the equation:

R(120) = 15,879

Substituting x = 120 into the total revenue function:

120⁴ + 52,000(120)² + C = 15,879

Solving for C:

207,360,000 + 748,800,000 + C = 15,879

C = -955,227,879

Therefore, the total revenue function is:

R(x) = x⁴ + 52,000x² - 955,227,879

(b) Revenue of at least $45,000:

To find the number of gadgets that must be sold for a revenue of at least $45,000, we can set up the inequality:

R(x) ≥ 45,000

Using the total revenue function R(x) = x⁴ + 52,000x² - 955,227,879, we have:

x⁴ + 52,000x² - 955,227,879 ≥ 45,000

We can solve this inequality numerically to find the values of x that satisfy it. Using a graphing calculator or software, we can determine that the solutions are approximately x ≥ 103.5 or x ≤ -103.5. However, since the number of gadgets cannot be negative, the number of gadgets that must be sold for a revenue of at least $45,000 is x ≥ 103.5.

Therefore, at least 104 gadgets must be sold for a revenue of at least $45,000.

Learn more about inequality here -:  brainly.com/question/25944814

#SPJ11

In the diagram below, how many different paths from A to B are possible if you can only move forward and down? A 4 B 3. A band consisting of 3 musicians must include at least 2 guitar players. If 7 pianists and 5 guitar players are trying out for the band, then the maximum number of ways that the band can be selected is 50₂ +503 C₂ 7C1+5C3 C₂ 7C15C17C2+7C3 D5C₂+50₁ +5Co

Answers

There are 35 different paths from A to B in the diagram. This can be calculated using the multinomial rule, which states that the number of possible arrangements of n objects, where there are r1 objects of type A, r2 objects of type B, and so on, is given by:

n! / r1! * r2! * ...

In this case, we have n = 7 objects (the 4 horizontal moves and the 3 vertical moves), r1 = 4 objects of type A (the horizontal moves), and r2 = 3 objects of type B (the vertical moves). So, the number of paths is:

7! / 4! * 3! = 35

The multinomial rule can be used to calculate the number of possible arrangements of any number of objects. In this case, we have 7 objects, which we can arrange in 7! ways. However, some of these arrangements are the same, since we can move the objects around without changing the path. For example, the path AABB is the same as the path BABA. So, we need to divide 7! by the number of ways that we can arrange the objects without changing the path.

The number of ways that we can arrange 4 objects of type A and 3 objects of type B is 7! / 4! * 3!. This gives us 35 possible paths from A to B.

To learn more about multinomial rule click here : brainly.com/question/32616196

#SPJ11

Use limits to find the derivative function f' for the function f. b. Evaluate f'(a) for the given values of a. 2 f(x) = 4 2x+1;a= a. f'(x) = I - 3'

Answers

the derivative function of f(x) is f'(x) = 8.To find f'(a) when a = 2, simply substitute 2 for x in the derivative function:

f'(2) = 8So the value of f'(a) for a = 2 is f'(2) = 8.

The question is asking for the derivative function, f'(x), of the function f(x) = 4(2x + 1) using limits, as well as the value of f'(a) when a = 2.

To find the derivative function, f'(x), using limits, follow these steps:

Step 1:

Write out the formula for the derivative of f(x):f'(x) = lim h → 0 [f(x + h) - f(x)] / h

Step 2:

Substitute the function f(x) into the formula:

f'(x) = lim h → 0 [f(x + h) - f(x)] / h = lim h → 0 [4(2(x + h) + 1) - 4(2x + 1)] / h

Step 3:

Simplify the expression inside the limit:

f'(x) = lim h → 0 [8x + 8h + 4 - 8x - 4] / h = lim h → 0 (8h / h) + (0 / h) = 8

Step 4:

Write the final answer: f'(x) = 8

Therefore, the derivative function of f(x) is f'(x) = 8.To find f'(a) when a = 2, simply substitute 2 for x in the derivative function:

f'(2) = 8So the value of f'(a) for a = 2 is f'(2) = 8.

learn more about derivative function here

https://brainly.com/question/12047216

#SPJ11

Differentiate the following function. y = O (x-3)* > O (x-3)e* +8 O(x-3)x4 ex None of the above answers D Question 2 Differentiate the following function. y = x³ex O y'= (x³ + 3x²)e* Oy' = (x³ + 3x²)e²x O y'= (2x³ + 3x²)ex None of the above answers. Question 3 Differentiate the following function. y = √√x³ + 4 O 3x² 2(x + 4)¹/3 o'y' = 2x³ 2(x+4)¹/2 3x² 2(x³ + 4)¹/2 O None of the above answers Question 4 Find the derivative of the following function." y = 24x O y' = 24x+2 In2 Oy² = 4x+² In 2 Oy' = 24x+2 en 2 None of the above answers.

Answers

The first three questions involve differentiating given functions.  Question 1 - None of the above answers; Question 2 - y' = (x³ + 3x²)e*; Question 3 - None of the above answers. Question 4 asks for the derivative of y = 24x, and the correct answer is y' = 24.

Question 1: The given function is y = O (x-3)* > O (x-3)e* +8 O(x-3)x4 ex. The notation used is unclear, so it is difficult to determine the correct differentiation. However, none of the provided options seem to match the given function, so the answer is "None of the above answers."

Question 2: The given function is y = x³ex. To find its derivative, we apply the product rule and the chain rule. Using the product rule, we differentiate the terms separately and combine them. The derivative of x³ is 3x², and the derivative of ex is ex. Thus, the derivative of the given function is y' = (x³ + 3x²)e*.

Question 3: The given function is y = √√x³ + 4. To differentiate this function, we apply the chain rule. The derivative of √√x³ + 4 can be found by differentiating the inner function, which is x³ + 4. The derivative of x³ + 4 is 3x², and applying the chain rule, the derivative of √√x³ + 4 becomes 3x² * 2(x + 4)¹/2. Thus, the correct answer is "3x² * 2(x + 4)¹/2."

Question 4: The given function is y = 24x. To find its derivative, we differentiate it with respect to x. The derivative of 24x is simply 24, as the derivative of a constant multiplied by x is the constant. Therefore, the correct answer is y' = 24.

Learn more about derivative here: https://brainly.com/question/32963989

#SPJ11

Summer Rental Lynn and Judy are pooling their savings to rent a cottage in Maine for a week this summer. The rental cost is $950. Lynn’s family is joining them, so she is paying a larger part of the cost. Her share of the cost is $250 less than twice Judy’s. How much of the rental fee is each of them paying?

Answers

Lynn is paying $550 and Judy is paying $400 for the cottage rental in Maine this summer.

To find out how much of the rental fee Lynn and Judy are paying, we have to create an equation that shows the relationship between the variables in the problem.

Let L be Lynn's share of the cost, and J be Judy's share of the cost.

Then we can translate the given information into the following system of equations:

L + J = 950 (since they are pooling their savings to pay the $950 rental cost)

L = 2J - 250 (since Lynn is paying $250 less than twice Judy's share)

To solve this system, we can use substitution.

We'll solve the second equation for J and then substitute that expression into the first equation:

L = 2J - 250

L + 250 = 2J

L/2 + 125 = J

Now we can substitute that expression for J into the first equation and solve for L:

L + J = 950

L + L/2 + 125 = 950

3L/2 = 825L = 550

So, Lynn is paying $550 and Judy is paying $400.

Learn more about substitution visit:

brainly.com/question/1132161

#SPJ11

The answer above is NOT correct. Find the orthogonal projection of onto the subspace W of R4 spanned by -1632 -2004 projw(v) = 10284 -36 v = -1 -16] -4 12 16 and 4 5 -26

Answers

Therefore, the orthogonal projection of v onto the subspace W is approximately (-32.27, -64.57, -103.89, -16.71).

To find the orthogonal projection of vector v onto the subspace W spanned by the given vectors, we can use the formula:

projₓy = (y⋅x / ||x||²) * x

where x represents the vectors spanning the subspace, y represents the vector we want to project, and ⋅ denotes the dot product.

Let's calculate the orthogonal projection:

Step 1: Normalize the spanning vectors.

First, we normalize the spanning vectors of W:

u₁ = (-1/√6, -2/√6, -3/√6, -2/√6)

u₂ = (4/√53, 5/√53, -26/√53)

Step 2: Calculate the dot product.

Next, we calculate the dot product of the vector we want to project, v, with the normalized spanning vectors:

v⋅u₁ = (-1)(-1/√6) + (-16)(-2/√6) + (-4)(-3/√6) + (12)(-2/√6)

= 1/√6 + 32/√6 + 12/√6 - 24/√6

= 21/√6

v⋅u₂ = (-1)(4/√53) + (-16)(5/√53) + (-4)(-26/√53) + (12)(0/√53)

= -4/√53 - 80/√53 + 104/√53 + 0

= 20/√53

Step 3: Calculate the projection.

Finally, we calculate the orthogonal projection of v onto the subspace W:

projW(v) = (v⋅u₁) * u₁ + (v⋅u₂) * u₂

= (21/√6) * (-1/√6, -2/√6, -3/√6, -2/√6) + (20/√53) * (4/√53, 5/√53, -26/√53)

= (-21/6, -42/6, -63/6, -42/6) + (80/53, 100/53, -520/53)

= (-21/6 + 80/53, -42/6 + 100/53, -63/6 - 520/53, -42/6)

= (-10284/318, -20544/318, -33036/318, -5304/318)

≈ (-32.27, -64.57, -103.89, -16.71)

To know more about orthogonal projection,

https://brainly.com/question/30031077

#SPJ11

For each series, state if it is arithmetic or geometric. Then state the common difference/common ratio For a), find S30 and for b), find S4 Keep all values in rational form where necessary. 2 a) + ²5 + 1² + 1/35+ b) -100-20-4- 15 15

Answers

a) The series is geometric. The common ratio can be found by dividing any term by the previous term. Here, the common ratio is 1/2 since each term is obtained by multiplying the previous term by 1/2.

b) The series is arithmetic. The common difference can be found by subtracting any term from the previous term. Here, the common difference is -20 since each term is obtained by subtracting 20 from the previous term.

To find the sum of the first 30 terms of series (a), we can use the formula for the sum of a geometric series:

Sₙ = a * (1 - rⁿ) / (1 - r)

Substituting the given values, we have:

S₃₀ = 2 * (1 - (1/2)³⁰) / (1 - (1/2))

Simplifying the expression, we get:

S₃₀ = 2 * (1 - (1/2)³⁰) / (1/2)

To find the sum of the first 4 terms of series (b), we can use the formula for the sum of an arithmetic series:

Sₙ = (n/2) * (2a + (n-1)d)

Substituting the given values, we have:

S₄ = (4/2) * (-100 + (-100 + (4-1)(-20)))

Simplifying the expression, we get:

S₄ = (2) * (-100 + (-100 + 3(-20)))

Please note that the exact values of S₃₀ and S₄ cannot be determined without the specific terms of the series.

Learn more about arithmetic series here: brainly.com/question/14203928

#SPJ11

Other Questions
Say we have some closed set B that is a subset of R, B has some suprema sup B. Show that sup B is also element of BDetermine whether the following function is concave or convex by filling the answer boxes. f(x)=x-x *** By using the definition of concave function we have the following. f(ha+(1-x)b) f(a) + (1 -)f(b) with a, b in the domain of f and XE[0, 1], we have that ha+(1-A)b-[ha+(1-2)b] (a-a)+ Simplifying and rearranging the terms leads to [Aa +(1-2)b]2a + (1 -)b Moving all the terms to the left hand side of the inequality and simplifying leads to SO This inequality is clearly respected and therefore the function is Compare major policies in education in VN before and after Doi moi. Give your own evaluation Research elasticity information for two particular goods: one with an elastic demand and one with an inelastic demand. Using the information of price elasticity, income elasticity and cross-price elasticity of demand you gather, predict changes in demand.Describe how marginal analysis, by avoiding sunk costs, leads to better pricing decisions.Explain the importance of opportunity costs to decision making and how opportunity cost leads to international trade.How better business decisions can benefit not just the producer but the consumer and society as a whole. Contrast the deontology and consequentialism approaches to ethics.Pls help me answer all these questions and 1 introduction for these. Thanks so much the scientific names we use to identify organisms are in the form of The use of a pull policy may require heavy expenditures for An area of swelling or enlargement in a weakened arterial wall is called:A. a thrombus.B. an aneurysm.C. an embolism.D. atherosclerosis. For any given good, other things being the same, an decrease in the price of a substitute good will typically: a. Cause both the demand curve and the supply curve to shift to the left b. Cause the supply curve to shift to the left, thus creating a rise in the equilibrium price c. Cause the supply curve to shift to the left, thus creating a fall in the equilibrium price d. Cause the demand curve to shift to the left, thus creating a fall in the equilibrium price Do you agree or disagree with the following statement? Advance information technology is increasingly important in maritime industry and it is the key for success of maritime transportation service providers. Use specific reasons and examples to support your answer. Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the line y 5. (Round your answer to three decimal places) 4 Y= 1+x y=0 x=0 X-4 It is determined that the temperature (in degrees Fahrenheit) on a particular summer day between 9:00a.m. and 10:00p.m. is modeled by the function f(t)= -t^2+5.9T=87 , where t represents hours after noon. How many hours after noon does it reach the hottest temperature? An increase in the real interest rate results in which of the following? Group of answer choicesA) an increase in the demand for loanable fundsB) a decrease in the demand for loanable fundsC) an increase in the quantity of loanable funds suppliedD) Both a decrease in the demand for loanable funds and an increase in the quantity of loanable funds supplied will occur as a result of an increase in the real interest rateQUESTION: Answer C is still a potential result because supply curve for loanable funds is upward sloping, why we don't choose D (Both A and C are correct) Show me how to solve this problem in excel. Thanks!A cash flow series is increasing geometrically at the rate of \( 8 \% \) per year. The initial payment at EOY 1 is \( \$ 5,000 \), with increasing annual payments ending at EOY 20 . The interest rate Which political institution acts as the umpire of the federal system? A. The bureaucracy. B. Congress C. The executive branch. D. The Supreme Court. Find the elementary matrix E such that EA = B where 9 10 1 20 1 11 A 8 -19 -1 and B = 8 -19 20 1 11 9 10 1 (D = E = In Problems 1 through 12, verify by substitution that each given function is a solution of the given differential equation. Throughout these problems, primes denote derivatives with re- spect to x. 1. y' = 3x2; y = x +7 2. y' + 2y = 0; y = 3e-2x 3. y" + 4y = 0; y = cos 2x, y2 = sin 2x 4. y" = 9y; y = ex, y = e-3x 5. y' = y + 2e-x; y = ex-e-x 6. y" +4y^ + 4y = 0; y1= e~2x, y2 =xe-2x 7. y" - 2y + 2y = 0; y = e cos x, y2 = e* sinx 8. y"+y = 3 cos 2x, y = cos x-cos 2x, y2 = sinx-cos2x 1 9. y' + 2xy2 = 0; y = 1+x 10. x2y" + xy - y = ln x; y = x - ln x, y2 = =-1 - In x In x 11. xy" + 5xy' + 4y = 0; y1 = 2 2 = x 12. x2y" - xy + 2y = 0; y = x cos(lnx), y2 = x sin(In.x) what procedure should you use to make the solution with a 250.0 ml flask Recently, a certain bank offered a 10-year CD that earns 2.83% compounded continuously. Use the given information to answer the questions. (a) If $30,000 is invested in this CD, how much will it be worth in 10 years? approximately $ (Round to the nearest cent.) (b) How long will it take for the account to be worth $75,000? approximately years (Round to two decimal places as needed.) Why is it important to understand the cultural attributes ofinternational market before marketing your product orservice? Jessie and Susan are working on the audit of Parker LLC, a medium-sized firm and distributor of cotton products throughout the continental United States. Jessie has just finished explaining why auditors obtain samples rather than test entire populations to Susan. Susan replies that although she understands, it would seem safer for the auditor just to test the entire population in order to be able to offer a higher level of assurance. Which of the following represents Jessie's best response to this? o The auditors tend to test samples more so than populations because the internal audit function routinely tests populations throughout the year o None of the choices is correct. o Auditors obtain and test a sample instead of the entire population because it would take too much time and be too expensive for the auditor to test the populations of all accounts. o Auditors only obtain and test samples because statistical theory holds that if the auditor obtains a sample size of at least ten percent of the population, the conclusions reached will be the same either way. Fill in the blank. "___________ charges are thecharges applied when an aircraft crosses the airspace of anothercountry. Type the missing words into the text box."