Answer:
2
Step-by-step explanation:
4 divided by 2 equals 2.
For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
Answer:
x ≈ 15.62
Step-by-step explanation:
using Pythagoras' identity in the right triangle.
the square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² = 12² + 10² = 144 + 100 = 244 ( take square root of both sides )
x = [tex]\sqrt{244}[/tex] ≈ 15.62 ( to the nearest hundredth )
Determine which set of side measurements could be used to form a triangle.
9, 13, 21
8, 9, 18
3, 18, 21
2, 5, 9
None of the measurement of the sides of the triangle forms a right triangle.
How to find the side of a right triangle?A right triangle is a triangle that has one of its angles as 90 degrees. The measurement of the side of a right triangle can be found using Pythagoras's theorem.
Therefore,
c²= a² + b²
where
c = hypotenuse sidea and b are the other legs.Therefore, the measurement of the triangles that forms a right triangle is none of the options
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what is the common denominator of in the complex fraction
The common denominator of the complex fraction is (1/a - 1/b)/(1/a + 1/b) is a²b² which is option D.
The provided complex fraction is (1/a - 1/b)/(1/a + 1/b).
Now, to find the common denominator,
Solving this complex fraction.
First multiplying each component of every bracket to every component of the other bracket,
= 1/a² + 1/ab - 1/ab - 1/b²
Now, simplifying the equation,
= 1/a² + 1/b²
= (a²+b²)/a²b²
The denominator is the lower part of the fraction.
Hence, the common denominator of the complex fraction is a²b².
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Complete question - What is the common denominator of 1/a + 1/b in the complex fraction (1/a - 1/b)/(1/a + 1/b)?
A)a2 b2
B)a – b
C)a + b
D)ab
There are 18 swans in this pond. How many tadpoles are there?
The ratio of newts to swans to tadpoles is
2: 3: 5
Answer:
30 tadpoles
Step-by-step explanation:
the 3 part of the ratio relates to the number of swans, that is 18 , then
18 ÷ 3 = 6 ← value of 1 part of the ratio
Then
number of tadpoles = 5 × 6 = 30
HELPPPPP
When Evelyn moved into a new house, she planted two trees in her backyard. At the time of planting, Tree A was 32 inches tall and Tree B was 16 inches tall. Each year thereafter, Tree A grew by 4 inches per year and Tree B grew by 8 inches per year. Let AA represent the height of Tree A tt years after being planted and let BB represent the height of Tree B tt years after being planted. Graph each function and determine the height of both trees at the time when they have an equal height.
The heights of both trees at the time when they have an equal height are equal to 4 inches and 48 inches respectively.
How to determine the height of both trees at the time?In order to graphically solve the system of equations, we would first of all write a system of equations that models the situation. Additionally, we would assign variables to the height of Tree A t years after being planted and height of Tree B t years after being planted, and then translate the word problem into algebraic equation as follows:
Let the variable A represent the height of Tree A.Let the variable B represent the height of Tree B.Therefore, translating the word problem into algebraic equation, we have the following:
A = 32 + 4t
B = 16 + 8t
On a graph, we would plot the height of Tree A on the x-axis while height of Tree B would be plotted on the y-axis of the cartesian coordinate.
By critically observing the graph, the point of intersection which gives a solution to the system of equations include the following:
Height of Tree A, A = 4 inches.
Height of Tree B, B = 48 inches.
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Find the sum of 3/4 and 5/7
3/4 add to 5/7 is 1 and 13/28
This is not multiple choice
60 points
A spinner used in a game is fun and rotated 930° on the first spin.
The distance from the point of rotation of of a spinner to the tip of the spinner is 3.5 inches.
A) what is the angle of rotation for the first been measured in radians?
B) what distance did the tip of the spinner travel during the first spin to the nearest 10th of an inch?
Part a
There are [tex]\frac{\pi}{180}[/tex] radians in a degree, so the angle of rotation in radians is [tex]\frac{930\pi}{180}=\frac{31\pi}{6}[/tex].
Part b
Using the arc length formula, the distance is [tex](31\pi/6)(3.5)=\frac{217\pi}{12}[/tex] inches.
Given that the area of a trapezoid is given by the formula A = 12
h(b1 + b2), what is the value of A if h = 2 cm, b1 = 3, and b2 = 4?
The area of the trapezoid is equal to 7 square units.
What is an area?The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the trapezoid in a two-dimensional plane is called the area of the trapezoid.
Given that the area of a trapezoid is given by the formula A = 1/2
h(b₁ + b₂). The given values are h = 2, b₁=3, and b₂=4.
The area of the trapezoid is calculated as,
Area = (1 / 2) x h(b₁ + b₂)
Area = (1 / 2 ) x 2 x ( 3 + 4 )
Area = 7
Area = 7 square units
Therefore, the area of the trapezoid is equal to 14 square units.
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Barb has a jewelry box in the shape of a rectangular pyramid. The top opens at a cross section parallel to the base
What is the shape of the opening of the jewelry box?
A rhombus
B rectangle
C triangle
D trapezoid
Factor the expression using the GCF 24y+88x
Factor the expression using the GCF 24y+88x
24y+88x
GCF is 8:
8(3y + 11x)
2. Show that you get the same prime factorization of 220 with 220=2 \times 110 or with 220=10 times 22
3. What numbers might be in the following form when numbers? Give 2 or 3 answers.
This is 224's prime factorization. This is the method of repeated division, and the prime factorization of 224 is 2 2 2 2 7.
What is the 220 factorization in terms of primes?Image for number 2. Show that the prime factorization of 220 is the same when 220 is multiplied by 2 times 110 or 10 times 22. What numbers might possibly be in the next form when numbers? Give two or three responses.
Therefore, 22 51 111, where 2, 5, and 11, can be expressed as 220's prime factorization.
220 has three prime factors, which are 22; 51; and 111. Here, the pair does not contain the prime factor 5. Consequently, 220 is not a square perfectly.
Consequently, the first ten multiples of 220 are as follows: 220, 440, 660, 880, 1100, 1320, 1540, 1760, 1980, and 2200.
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Which expression is equivalent to 24³ ?
2√3
2³√3
2√6
2³√6
Answer:
[tex]2 \sqrt[3]{3} [/tex]
Step-by-step explanation:
[tex]24 {}^{ \frac{1}{3} } [/tex]
[tex] \sqrt[3]{24} [/tex]
[tex] \sqrt[3]{8 \times 3} [/tex]
[tex] \sqrt[3]{8} \times \sqrt[3]{3} [/tex]
[tex] \sqrt[3]{2 {}^{3} } \times \sqrt[3]{3} [/tex]
[tex]2 \times \sqrt[3]{3} [/tex]
[tex]2 \sqrt[3]{3} [/tex]
I need help with this
The units of the slope is dollars per unit.
How to find the slope of a line?A linear function can be represented in slope intercept form as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, the phone company charges for service as follows:
C(n) = 27 + 0.08n
where
n is the number of minutes talked, and C(n) is the monthly charge in dollars.
Therefore, the units of the slope in dollars per minutes.
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A soda container holds 5 gallons of soda. How many ounces of soda does this container hold?
1 quart = 32 ounces
1 gallon = 4 quarts
1)44
2)176
3)640
4)704
Cindy is attempting to calculate how much her car payment would be for a car that costs $27,000 to be repaid with monthly payments in 4 years at 4% APR.
Where, if at all, has Cindy made a mistake(s)?
Correct Cindy’s mistake(s). (Spoiler for part a, yes, she made several mistakes.)
What would the answer actually be?
The mistakes that Cindy made include:
Not converting the APR to a monthly rate Not converting the number of years to number of monthsThe answer for Cindy's monthly car payments would be $609.63
How to find the monthly payments?To find the monthly payment. first convert the APR to a monthly rate and the number of years to months.
Monthly rate:
= 4% / 12
= 1 / 3%
Number of months:
= 4 x 12 months
= 48 months
The monthly payments is an annuity as it is constant and periodic. The monthly payment for Cindy's car can be found as:
= Cost of car / Present value of annuity factor, 1/3%, 48 months
= 27, 000 / 44.288833874953
= $609.63
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describe the end behavior of the following function
The function has the end behavior f(x) → -∞ as , x → -∞ as f(x) → +∞ , x → +∞
Since, The end behavior of a polynomial function is the behavior of the graph of f(x) as x approaches positive infinity or negative infinity.
The degree and the leading coefficient of a polynomial function determine the end behavior of the graph. And, if the function has positive leading coefficient with odd degree then its end behavior is f(x) → -∞ as , x → -∞ as f(x) → +∞ , x → +∞
Here, The given function has positive leading coefficient with odd degree.
Therefore, by the definition of end behavior of a function,
The function has the end behavior f(x) → -∞ as , x → -∞ and, f(x) → +∞ , x → +∞
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Ryan and Carlos decided to sell their cups of hot chocolate for $2.75. They sold 12 cups. They spent $9.45 on supplies that they will need to pay back to the bank.
How much profit did Ryan and Carlos make?
Answer:
$23.55
Step-by-step explanation:
First we will need to determine the total amount of sales Ryan and Carlos made. To do that we will multiply the amount of products sold by the product cost.
$2.75 x 12 = $33
Now we need to deduct the cost of supplies they need to pay back from their profits.
$33- $9.45= $23.55
Now we are left with Ryan and Carlos' total profit, which is $23.55
Put the reasons into the correct order to justify solving the inequality: -2(x + 6) < 3(x + 1) -2x 12 < 3x + 3 -2x < 3x + 15 -5x < 15 x > 3 Justification 1 Justification 2 Justification 3 Justification 4 Justification 5 Division Property of Order Distributive Property Addition Property of Order Subtraction Property of Order Given
The reasons put into the correct order to justify solving the inequality:
-2(x + 6) < 3(x + 1) - Given-2x - 12 < 3x + 3 - Distributive Property-2x < 3x + 15 - Addition Property of Order-5x < 15 - Subtraction Property of Orderx > 3 - Division Property of OrderJustify each property of equality-2(x + 6) < 3(x + 1) - Given
-2x - 12 < 3x + 3 - Distributive Property
-2x < 3x + 15 - Addition Property of Order
-5x < 15 - Subtraction Property of Order
x > 3 - Division Property of Order
Check how to solve:
-2(x + 6) < 3(x + 1)
Open the parenthesis
-2x - 12 < 3x + 3
Add 12 to both sides
-2x - 12 + 12 < 3x + 3 + 12
-2x < 3x + 15
Subtract 3x from both sides
-2x - 3x < 3x + 15 - 3x
- 5x < 15
divide both sides by -5
x > 3
Therefore, the solution to the given inequality -2(x + 6) < 3(x + 1) is x > 3.
The properties mentioned above are properties of inequalities and hold for all situations of inequalities as given.
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Finding the slope passing through the points
Question 1
Since the x-coordinates are the same, the line is vertical. Therefore, the slope is undefined.
Question 2
Since the y-coordinates are the same, the line is horizontal. Therefore, the slope is zero.
determine if the two triangles are congruent if they are state how you know
Two triangles are congruent if they satisfy SSS or ASA or SAS or AAS or RHS criteria.
What is the meaning of congruent triangles?
If two triangles have both the same shape and the same size then it is said that the two triangles are congruent. In other words, two triangles are congruent if they are copies of each other.
We can prove that two triangles are congruent if they satisfy any one of the following criteria:-
SSS (side side side ):- If three sides of one triangle are equal to the corresponding three sides of the other triangle.
SAS ( side angle side ):- If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle.
ASA ( angle side angle ):- If two angles and the included side of one triangle are equal to the corresponding angles and side of another triangle.
AAS ( angle angle side ):- If two angles and a none included side of a triangle are equal to the corresponding angles and side of another triangle.
RHS (right hypotenuse side ):- If the hypotenuse and one side of the right triangle are equal to the corresponding side and the hypotenuse of another triangle.
Hence, two triangles are congruent if they satisfy any one of the criteria of congruence (SSS, ASA, SAS, AAS or RHS).
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Find f(h(x)).
f(x) = x² + 4
h(x)=√x-3
Answer:
[tex]f(h(x)) = ( \sqrt{x} - 3)^{2} + 4[/tex]
[tex]f(h(x)) = (x - 9) + 4[/tex]
[tex]f(h(x)) = x - 5[/tex]
Step-by-step explanation:
h(x) became x for function of f(x)
What happens when the discriminant equals zero?
Answer: It indicates that the quadratic has a repeated real number solution.
Step-by-step explanation:
What is a parent in a graph?
A parent graph is the graph of a relatively simple function. By transforming the function in various ways, the graph can be translated, reflected, or otherwise changed.
What is a Parent Function?
A parent function is an equation in the simplest form of a family of functions. A family of functions is a collection of functions that represent similar characteristics and/or transformations of its parent function. A parent function can be represented with different degree values such as degrees 1, 2, or 3.
The most basic parent function is called a constant function. A constant function is one such that y = b, where b is the constant value. A constant function creates a straight horizontal line that will intersect the y -axis.
Hence the answer is A parent graph is the graph of a relatively simple function. By transforming the function in various ways, the graph can be translated, reflected, or otherwise changed.
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Gene then reflected (-0.3, 7/10) over the y axis and then over the x axis what are the coordinates of the point after two reflections?
The coordinates of the point after the two reflections are (0.3,-7/10).
What is the reflection?A reflection is a mapping from an isometric hyperplane with a set of fixed points acting as the reflection's axis or plane from a Euclidean space to itself. A figure's reflection creates its mirror image of that figure in the plane or axis of the reflection.
Given that, the point (-0.3, 7/10) is reflected over the y-axis and then over the x-axis respectively.
The coordinates of the point after the reflection in the y-axis are:
(0.3, 7/10)
Now, the coordinates of the point after the reflection in the x-axis are:
(0.3, -7/10)
Hence, the coordinates of the point after the two reflections are (0.3,-7/10).
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charmaine, jose, and shen sent a total of 134 text messages over their cell phones during the weekend. shen sent 9 fewer messages than charmaine. jose sent 3 times as many messages as shen. how many messages did they each send?
Charmaine sends 34 message, Jose send 75 texts and Shen send 25 messages.
What is linear equation?
An equation is a mathematical statement, which has an equal sign (=) between the algebraic expression. Linear equations are the equations of degree 1. It is the equation for the straight line.
Let C be charmaine text, S be shen text, J be jose text.
C +J+ S=134
Shen send 9 messages fewer than charmine .
S = C -9
C = S+9
And Jose sent 3 times more then shen
J =3S
We get,
S+9+3S+S=134
5S +9 = 134
5S = 134 -9
5S = 125
S = 25
C = 25 +9
= 34
J= 75
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Compare the graph to the graph of f(x)=|x| and m(x)=|x+1|
The graph of f(x)=|x| and m(x)=|x+1| is 1 unit left translation
How to describe the transformation from the parent function?From the question, we have the following function that can be used in our computation:
f(x) = |x|
m(x) = |x + 1|
First, we have the transformation to be:
From f(x) = |x| to m(x) = |x + 1|
This means the function is translated left by 1 unit
So, we can conclude that
The graph function is translated left by 1 unit
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if you are asked to solve a system of equations in which there is no linear equation to start with
You can occasionally start by isolating and replacing a variable that is squared in both equations if you're required to solve a system of equations without a starting linear equation.
If there isn't a linear equation to begin with, you can pick out and use a squared variable in both equations.
Start by dividing both sides of the supplied nonlinear equation by the variable's coefficient, for instance.
After you've done that and isolated a variable, carry on with the problem-solving by adding that variable to the other equation.
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What are the domain and range of g of x equals 3 times the square root of the quantity x plus 4?
D: [3, ∞) and R: [0, ∞)
D: [4, ∞) and R: (–∞, 0)
D: [–4, ∞) and R: [0, ∞)
D: (3, ∞) and R: (–∞, 0)
The domain and range of this square root function are: D: [–4, ∞) and R: [0, ∞).
What is a domain?In Mathematics, a domain can be defined as the set of all real numbers for which a particular function or relation is defined. This ultimately implies that, a domain is the set of all possible input values (x-values) for a function while a range is the set of all possible output values (y-values) of a function.
Based on the information provided, the function is represented as follows:
g(x) = √(x + 4)
Since a square root function doesn't exist for all negative values, the domain of this function is given by:
x + 4 ≥ 0
x ≥ -4
Domain = [-4, ∞]
Since we do not have a vertical translation, the range of this square root function is given by:
x ≥ 0
Range = [0, ∞]
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Answer:
[–4, ∞) and R: [0, ∞)
Step-by-step explanation:
I got it right on the test.
What are the 4 steps in graphing linear inequalities?
Answer:
Separating the variables , using equality symbol , drawing boundary line in XY plane , shading the area are the four steps in graphing linear inequalities
Step-by-step explanation:
What is Linear inequality ?Mathematical expressions known as linear inequalities compare two expressions using the inequality symbol. The expression may be either a numerical or an algebraic expression, or it may be both.
Step 1: Always start by separating the variable y from the left side of the inequality.
Step 2: The equality symbol should be used in place of the inequality symbol
Step 3: Draw the boundary line from step 2 in the XY plane.
Step 4: The last step is to partially or completely shade the border line.
Separating the variables , using equality symbol , drawing boundary line in XY plane , shading the area are the four steps in graphing linear inequalities
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{Question 8} Please help! Need this by tonight! {Click on picture}
The cost per message is $0.025.
What is cost?
A cost is the worth of money that has been expended to produce something or provide a service and is therefore no longer available for use in production, research, retail, and accounting. In the case of an acquisition cost, the money spent on the acquisition is considered the cost.
Raw materials, labour expenditures, and other production-related expenses are all considered direct costs. A product, division, or project can simply be linked to the cost. As an illustration, Ford Motor Company (F) produces vehicles and trucks. A automobile is built by a factory employee in eight hours.
Let, Jerry's messaging phone plan is, he paid $0.75 for every 30 messages he send.
So, the cost of each message is,
[tex]\frac{0.75}{30} = 0.025[/tex].
Hence, the per message is, $0.025.
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