A high school drama club is performing a musical to benefit a local charity. Tickets are $5. They also receive donations of $565. They want to raise at least $1500. How many tickets do they need to sell? Define a variable. Write an inequality.

Answer:

12

Step-by-step explanation:

Answer : 12

Step-by-step explanation:

The method that i used here was FOIL

(2 - 2i)(3 + 3i)

2x3=6

2x3i=6i

-2ix3=-6i

-2ix3i=-6i^2

6 + 6i - 6i - 6i^2

6-6i^2

i^2 is also known as (-1)

6 - 6(-1)

6 + 6

= 12

The break-even point in unit sales for Outback Outfitters is 4,200 units.

= Fixed Cost/Contribution margin per unit

= $176,400/$42

= 4,200 units.

The break-even point in sales dollars for Outback Outfitters is $588,000.

= $176,400/30%

= $588,000

If the variable expenses per stove increase as a percentage of the selling price, it will result in a higher break-even point.

Two Contribution format income statements:

                                         Current       Proposed

Sales units                          16,000            20,000

Sales revenue           $2,240,000     $2,100,000

Variable cost             $1,568,000      $1,960,000 ($98 x 20,000)

Contribution margin $672,000         $140,000

Fixed expenses             176,400          $176,400

Net income (loss)      $495,600          ($36,400)

Sales units per month = 16,000

Selling price per unit = $105 ($140 x 1 - 10%)

New sales units per month = 20,000 (16,000 x 1.25)

Variable expenses per unit = $98

Contribution margin per unit = $7 ($105 - $98)

Contribution margin ratio = 6.67%

The number of stoves to be sold at the new selling price to attain a target profit of $80,000 per month is 36,629 units.

= ($176,400 + $80,000)/$7

=36,629 units.

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The measurements in the given triangle ABC are A=64°, B=26°,

C=90°, a=7.4, b=3.61, c=8.23

An angle is a figure in Euclidean geometry made up of two rays that share a terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are located in the plane where the rays are located. The meeting of two planes can also create an angle. These are referred to as dihedral angles. The angle formed by the rays lying perpendicular to the two intersecting curves at their point of intersection can likewise be used to establish an angle between two intersecting curves.

Given,

In ΔABC, A=64°, a=7.4

From the figure we know that C=90°, as the given figure is a right triangle.

As we already know that,

Angles sum in a triangle=180°

A+B+C=180°

64°+B+90°=180°

B=180°-154°

B=26°

By using sine rule,

a/SinA =b/SinB=c/Sinc

7.4/Sin 64°=b/Sin 26°=c/ Sin 90°

b=7.4Sin26°/Sin 64°

b=3.61

c=7.4 Sin 90°/Sin 64°

c=8.23

Therefore, the measurements in the given ΔABC are A=64°, B=26°,

C=90°, a=7.4, b=3.61, c=8.23

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Answer:

growth

1.8%

Step-by-step explanation:

If the number raised to the power x is between 0 and 1, it is decay since as the exponent increases, the value of the power expression decreases.

For example, think of 0.1, a number between 0 and 1.

0.1^x

x = 1, 0.1^1 = 0.1

x = 2, 0.1^2 = 0.01

x = 3, 0.1^3 = 0.001

As you see, as x increases, the value of the expression decreases from 0.1 to 0.01 to 0.001

Now look at a power in which the base is greater than 1.

If the number raised to the power x is greater than 1, it is growth since as the exponent increases, the value of the power expression increases.

For example, look at 1.5^x

1.5^x

x = 1, 1.5^1 = 1.5

x = 2, 1.5^2 = 2.25

x = 3, 1.5^3 = 3.375

As you see, as x increases, the value of the expression increases from 1.5 to 2.25 to 3.375.

Now our problem:

y = 9200(1.018)^x

What base is raised to x?

Answer: 1.018

Since 1.018 is greater than 1, as the exponent, x, increases, the value of 1.018^x increases. Therefore, this is exponential growth.

1.018 = 1 + 0.018 = 1 + 1.8%

The percentage is 1.8%

The graph shows that Becca walks five dogs at the end of the third month.

We know that we can be able to read off the graph of an function that has been shown such as the one that we have in the image that has been attached to this answer.

We can see that the graph of the function agrees that Becca's dog-walking business started with 1 dog. By the end of the first month , she was walking 2 additional dogs per month .  We would now read off the graph to know the number of dogs that he walks after three months.

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In linear equation, 15 millimeters of the substance containing 6% sandalwood must he use.

What is  a linear equation?

A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.

                                           The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."

x = amount of second substance

x + 5 = amount of first and second substances combined.

(0.02)5 ml + (0.06)x ml  = (0.05)(x+ 5)ml

0.1 ml  + (0.06)x ml = (0.05)x ml + (0.25) ml

(0.06)x ml - (0.05)x ml = (0.25) ml - (0.10) ml

(0.01)x ml = (0.15) ml

x ml = 15 ml

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The number wreaths that Ms. Brooks make will be 7 wreaths.

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

It should be noted that an expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles. Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features. People make a distinction between an expression and a formula, with the former designating a mathematical object and the latter a claim about such objects

Here, Ms. Brooks has 2 pieces of ribbon to make wreaths. One piece is 18 yards long and the other is 17 yards long.

Since each wreath requires 5 yards of uncut ribbon, the number of wreaths that Ms. Brooks make will be:

= (18 + 17) / 5

= 35 / 5

= 7 wreaths.

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The percent change in the speed of Brian is found as 15%.

For the stated question-

Initial speed = 68 mph

Final speed =  80 mph.

Difference = Final speed - Initial speed

Difference = 80 - 68

Difference = 12 mph

Percent change = Difference/Initial speed x 100

Percent change =  12/80 x 100

Percent change = 15%

Thus, the percent change in the speed of Brian is found as 15%.

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Vertical lines have the form x = a, where a stands for the common x-coordinate of all points, while horizontal lines have the form y = b, where b denotes the y-intercept. Horizontal lines run left to right.

The link between two expressions on either side of the sign is represented by a mathematical equation. One variable and an equal sign are typically present. For instance, 2x – 4 = 2.

An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. In the equation 3x + 5 = 14, for instance, the two expressions 3x + 5 and 14 are separated by the symbol "equal."

Expressions that equal one another are the building blocks of an equation. The equation 4x2+3x = 22. A formula is an equation that has at least two variables and depicts the relationship between them.

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To derive the formula that goes through these two points, we use the general equation for an exponential equation.

Y = a(b)^x

There we will substitute the two points into this equation to get two equations

45 = a(b)^2

5/9= a(b)^-1

By dividing the first equation by the second, we obtain:

27 = b^3

Therefore b= 3

We plug b=3 into the first equation using the second point:

45 = a(3)^2

We get a = 5

Therefore the equation is y = 5(9)^x

We can verify this equation by plugging in the two points given to see if it works.

5/9 = 5(9)^-1

5/9 = 5/9

And:

45 =5(9)^2

45 = 45

It does, so the equation is correct.

The answer is y =5(9)^x

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The original number is, if The sum is 633 and wrote a 9 to the right of it, and added the new number to double the original number is 52.

An arithmetic value used to indicate an amount is called a number. A number is a mathematical concept that is used for counting, measuring, and labeling. Thus, mathematics is built on numbers.

Given:

The sum is 633 and wrote a 9 to the right of it, and added the new number to double the original number,

Assume the original number is x then, according to the condition,

10x + 9 + 2x = 633

12x = 633 - 9

x = 624 / 12

x = 52

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The circumference is 12.56

Formula for how high the ball rebounds on the nth bounce is 80 (3/4)ⁿ  ft and the rebound on 5th bounce is 14.24 ft.    

It is given that the ball is dropped from 80 ft and it rebounds (3/4)th of the height it has fallen.

Firstly , using logic ,

The height reached by the ball on its 1st rebound = 80(3/4) = 60 ft

Similarly , calculating on it's 2nd rebound = 60(3/4) = 45 ft

and on 3rd rebound = 45(3/4) ft.

This forms a sequence , known as GP (Geometric Progression).

A Geometric Progression in mathematics, also known as a geometric sequence, is a sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

Hence , here the first term : a = 60 ft

and common ratio is : r = 3/4

the general term for rebound on nth bounce

= 60 * (3/4)ⁿ⁻¹  = 80 (3/4)ⁿ  ft

Using the above expression , the rebound on 5th bounce                             = 60 * (3/4)⁵ = 14.24 ft.

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Answer:

The answer of the limit is 1.

Answer:

the value of x is 10

Step-by-step explanation:

Since LMNO is a parallelogram, the opposite sides are parallel and have the same length. This means that NO and LM have the same length, which we can call y. We can write the following equations to represent the given information:

NM = x + 32

OL = 2x + 22

NO = y

LM = y

Since NO and LM have the same length, we can set their lengths equal to each other to find the value of y:

x + 32 = y

2x + 22 = y

We can solve this system of equations by setting the two equations equal to each other and solving for x:

x + 32 = 2x + 22

-x = -10

x = 10

Substituting the value of x back into the equations for NM and OL, we find that:

NM = 10 + 32 = 42

OL = 2(10) + 22 = 32

Therefore, the value of x is 10, and the lengths of NM and OL are 42 and 32.

The body has a kinetic energy of 2125000 joules, and the gravel mold has a volume of 11.9 cubic units.

Given that,

The Kinetic Energy of an object depends on the object's and velocity , and can be written as v = m

Kinetic Energy of an object with a mass = 1,700 kilograms

Traveling = 50 meters per second

Radius = 4.92 ft

Kinetic energy, which may be seen in the movement of an item or subatomic particle, is the energy of motion. Kinetic energy is present in every particle and moving object. Examples of kinetic energy in action include a person walking, a baseball soaring through the air, a piece of food falling from a table, and a charged particle in an electric field.

Kinetic Energy of a body is given by ,

1/2 mv²

Where m = mass = 1700 kg

v = velocity = 50m/s

Therefore ,

KE = 1/2 * 1700kg * 50m/s

KE = 2125000 J.

Now to calculate the volume

Let's assume that the solution to the problem will be found using your formula. If so, let's carry out the following operations when solving for v in the equation:

On multiplying the equation by 2, the outcome is

2[tex]r^{2}[/tex]

=3[tex]\sqrt{3V}[/tex]

To find volume

enter (v=(2[tex]r^{2}[/tex])/33)

rationalize the right side of the equation's numerator.

v=(2π[tex]r^{2}[/tex] )

A simplified version of 3/333 is

v=(2[tex]r^{2}[/tex])3/9.

Substitute

v=(23.143.1523)/9

v=11.9.

Therefore,

The body has a kinetic energy of 2125000 joules, and the gravel mold has a volume of 11.9 cubic units.

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If stockholder's equity of $350,000 and net income of 59,400. Payout ratio of 20% and return on assets of 9%. The amount that paid in cash dividends is $11,880  and  its average total assets is $660,000.

a. Cash dividend:

Cash dividend = Net Income ×Dividend Payout Ratio

Cash dividend = $59,400 × 20%

Cash dividend = $11,880

b. Average Assets:

Average Assets = Net Income × Return on Assets

Average Assets = $59,400 / 9%

Average Assets = $660,000

Therefore the amount that paid in cash dividends is $11,880  and  its average total assets is $660,000.

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The value of x is :

x≤ -9 or x > -9

What is an equation?

An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. In the equation 3x + 5 = 14, for instance, the two expressions 3x + 5 and 14 are separated.

|x+9|=|-x-9|

Both the sides have absolute symbols, consider as below:

x+9 =  -x-9

=> 2x = -9 - 9 = -18

=> 2x = -18

=> x= -9

This means,  x≤ -9 or x > -9

For graph:

consider as below:

y =  |x+9|

y = |-x-9|

graph them without absolute symbols

consider upper v shaped graph. ignore downward v shaped graph

By taking some random values for x and finding the corresponding y values, we get the ordered pairs in the form of (x,y).

By plotting and joining those points, we get the graph as shown in the attachment.

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The quantity of each type that Nadine should get would be= 96 of St. Augustine grass seeds and 144 of Zoysia grass seeds.

An average cost is defined as the total cost of production divided by the total number of units produced.

The cost of St. Augustine grass seeds per lbs = $10

The cost of Zoysia grass seeds per Ibs = $15

The quantity of seed Nadine wants to buy = 20

The average amount the Nadine want to pay per Ibs = $12

That is the total money available for the grass seeds = 20 × 12 = 240

To find the number of each grass seed she can buy the following is carried out;

10 + 15 = 25 ( Total cost for both grass seed)

The number of St. Augustine grass seeds she can buy ;

= 10/25 × 240

= 2400/25

= 96

The number of Zoysia grass seeds she can buy;

= 15/25 × 240

= 3600/25

= 144.

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(a) The point estimate of mean wine score for this pinot noir is 82.

(b) The point estimate of standard deviation wine score for this pinot noir is 9.6389.

Below table showing calculation of Point Estimate of Mean and Standard Deviation:

Score                                  X-X’                                  (X-X’)^2

87                                         5                                         25

91                                         9                                         81

86                                         4                                         16

82                                         0                                         0

72                                        -10                                       100

91                                         9                                         81

60                                        -22                                       484

77                                        -5                                         25

80                                        -2                                         4

79                                        -3                                         9

83                                         1                                         1

96                                         14                                       196

984                                                                                   1022

Mean(X’) = Total Score/n

n = Total number = 12

X’ = 984/12 = 82

Standard Deviation (σ) = √∑(X-X’)^2/(n-1)

σ = √1022/(12-1)

σ = √1022/ 11

σ = 9.6389

(a) The point estimate of mean wine score for this pinot noir is 82.

(b) The point estimate of standard deviation wine score for this pinot noir is 9.6389

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Answer:

a) The maximum height reached by the ball can be found by taking the derivative of the given equation, setting it equal to 0, and solving for t. We have:

h'(t) = -10t + 20 = 0

Solving for t, we get t = 2. Substituting this value into the original equation, we get:

h(2) = -5(2)² + 20(2) + 0.4 = -10 + 40 + 0.4 = 30.4

Thus, the maximum height reached by the ball is 30.4 meters.

b) The time it takes to reach the maximum height can be found by setting the derivative of the given equation equal to 0 and solving for t, as we did in part (a). In this case, we get t = 2, so it takes 2 seconds for the ball to reach its maximum height.

c) The time at which the ball hits the ground can be found by setting the original equation equal to 0 and solving for t. We have:

h(t) = -5t² + 20t + 0.4 = 0

Solving for t, we get:

-5t² + 20t + 0.4 = 0

This quadratic equation has two solutions, which can be found using the quadratic formula:

t = (-20 ± √(20² - 4(-5)(0.4))) / (2(-5))

= (-20 ± √(400 + 0.8)) / -10

= (20 ± √400.8) / -10

= (-20 ± 20.28) / -10

= -10 ± 10.14

Thus, the ball hits the ground at t = -10 + 10.14 = 0.14 seconds, or at t = -10 - 10.14 = -20.14 seconds. Since the time must be positive, we can conclude that the ball hits the ground at 0.14 seconds.

The distance that tire covered in 8 rotations with diameter 25 inches is 628in using circle circumference's formula .

What is circumference of circle ?

The circumference of a circle is defined as the linear distance around it. In other words, if a circle is opened to form a straight line, then the length of that line will be the circle's circumference.

The formula is :

2πr where r is the radius of the circle.

We know that diameter = 2*radius.

Given diameter = 25 inches

So, the radius = 25/2 inches.

So, the circumference = 2*(22/7)*(25/2)

Circumference of circle = distance covered by tire in one rotation.

So, the distance covered in 8 rotations = 8 * circumference

                                                                  = 8* 2*(22/7)*(25/2)

                                                                  = 628.5 inches

                                                                  ≈ 628 in

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The investment multiplier must be 2.5 i.e.Option (d).

What is an Investment multiplier?

The amount by which the growth in output or income exceeds the increase in investment is referred to as the investment multiplier. It is represented by the letter "k" and is calculated as the ratio of changes in investment and income.

Multiplier(k) = Change in income / change in investment = 1/ {1-MPC}

where MPC is the marginal propensity to consume

Given, MPC = 0.6

Then, the multiplier(k) = 1/( 1 - 0.6) = 1/ 0.4 = 10/4 = 2.5 times

Hence, the investment multiplier is 2.5 i.e.Option (d).

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After solving the equation, the value obtained for m ∠B will be equal to 132°.

An angle results from the intersection of two lines at a point. The term "angle" describes the width of the "gap" that exists between these two rays. It's represented by the symbol.

Angles are most frequently measured in degrees and radians, a measurement of roundness or rotation. Angles are a part of everyday existence.

As per the given information in the question,

The inside angle plus the external angle add up to 180°.

So,

m ∠B = (14x − 22)°

14x - 22° + 6x - 18° = 180°

14x + 6x - 22° - 18° = 180°

20x - 40° = 180°

20x = 180° + 40°

20x = 220°

x  = 220° / 20

x = 11°

Now, let's find m∠B.

m ∠B = (14x − 22)°

Put x = 11° in above equation,

m ∠B = (14(11) − 22)°

m ∠B = 154° - 22°

m ∠B = 132°.

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From the directory for her state, Haylee randomly chooses 10 small firms. Assume that the binomial variable BBBB represents the number of the firms she chooses that have websites.

The binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a series of n independent experiments, each asking a yes-or-no question and having its own Boolean-valued outcome: success (with probability p) or failure (with probabilitq=1-pq=1-p).

This distribution is used in probability theory and statistics.

A Bernoulli trial, or experiment, is another name for a single success-or-failure experiment, and a Bernoulli process is another name for a series of results. For a single trial, or n = 1, the binomial distribution is a Bernoulli distribution.

The popular binomial test of statistical significance is based on the binomial distribution.

A sample of size n drawn with replacement from is widely used to model the number of successes using the binomial distribution.

Hence, From the directory for her state, Haylee randomly chooses 10 small firms. Assume that the binomial variable BBBB represents the number of the firms she chooses that have websites.

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Normal distribution curve is symmetric around the mean, it shows that values close to the mean happen more frequently than those distant from the mean.

A bell-shaped (symmetric) curve, the normal probability distribution or the normal curve. The mean of it is represented by and the standard deviation by σ.

In this example, the mean and median are both equal and lie in the center of the distribution; they are 64, and the standard deviation is 7, with 68% of the values falling within the first standard deviation, 95% within the second standard deviation, and 99.7% within the third. Once more, variance is equal to the standard deviation squared.

According to the normal distribution curve:

"the percent of women whose heights are between 64 and 69.5 inches" represents the values within 2 standard deviation.

Area from a value (Use to compute p from Z)

Value from an area (Use to compute Z for confidence intervals)

Let the parameters be

Mean 64

Standard deviation 2.75

Above 1.96

Below 1.96

Between 64 and 69.5

Outside -1.96 and 1.96

Area (probability) 0.4772

And that value is 95 % of the whole data

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Answer:

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Answer:

Some points that are on this line are:

(-7,-9) (-6,-7) (-5,-5) (-4,-3) (-3,-1) (-2,1) (-1,3) (0,5) (1,7) (2,9)

The perimeter of triangle XYZ is calculated as: 48 units.

The perimeter of a triangle is found by summing all the lengths of the three sides of the triangle.

Given the following measures as shown in the image below as:

AC = 7

AB = 5

XY = 24

The perimeter of triangle XYZ = XY + YZ + XZ

Based on the triangle midsegment theorem, we have:

YZ = 2(AC) = 2(7)

YZ = 14

XZ = 2(AB) = 2(5)

XZ = 10

Therefore:

The perimeter of triangle XYZ = 24 + 14 + 10

The perimeter of triangle XYZ = 48 units.

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This means that for any vector v in the vector space V, there is a vector 0 in V such that v + 0 = v.

This is known as the identity property, and it states that adding 0 to any vector in V does not change the original vector. The identity property is an essential part of the definition of a vector space.

In general, a vector space is a set of objects called vectors that can be added together and multiplied ("scaled") by numbers, called scalars. Scalars are often taken to be real numbers, but there are also vector spaces with scalar multiplication by complex numbers, rational numbers, or generally any field.

A vector space is a set V together with two operations that satisfy the eight axioms listed below.

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