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Robert pays for his family to go to the arcade. He pays an entrance fee for his group and an additional amount per game that his family plays as shown in the graph. Use the graph to answer.







Find the slope and interpret its meaning.

The equation of the graph in point slope form is y + 2 = -3(x - 1)

The equation of the graph in point slope form can be represented as follows;

y - y₁ = m(x - x₁)

where

using two point let's find the slope

(0, 1)(-1, 4)

Hence,

m = 4 - 1 / -1 - 0

m = 3 / -1

m = -3

Therefore, the slope of the line is - 3.

Therefore, using one coordinates(1, -2) from the graph, the equation of the graph in point slope form is y + 2 = -3(x - 1)

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Answer:

$6.72

Step-by-step explanation:

1 us liquid pint =2 us cups

3.36*2 cups

Answer:

Step-by-step explanation:

dees

The height of utility poles is B. 12 meters.

The height of the utility pole will be calculated by the formula -

tan theta = perpendicular ÷ base, where theta is the angle of elevation, perpendicular is the height of utility pole and base is the distance from the base of pole to the wire.

Keep the values in formula to find the height of utility pole.

tan 59 = perpendicular ÷ 7

Perpendicular = tan 59 × 7

Perpendicular = 1.66 × 7

Performing multiplication on Right Hand Side of the equation

Perpendicular = 11.65 metres

On rounding off, we get 12 metres.

Thus, the height is B. 12 meters.

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An equation for revenue (r) as a function of (p) is R = 1380p - 10p²,

and R(25) = 28250.

Given that;

The cost of tickets for a specific series of concerts is set by a concert venue. The sales team discovers that 1,000 people on average attend concerts with tickets costing $38. The average attendance increases by 50 persons for every $5 decrease in price. Then,

Let 'T' be the number of times the price is decreased.

So, price;

     p = 38 – 5x

     x = (38 - p) / 5

And as per the given condition attendance;

a = 1000 + 50x

So, the Revenue is;

To develop an equation for revenue (r) as a function of p, the price of tickets;

R = p * a

R= p * (1000 + 50x)

But,  x = (38 - p) / 5

Then,

R = P * (1000 + 50(38 - p)/5)

  = p * (1000 + 380 - 10p)

  = p * (1380 – 10p)

  = 1380p - 10p²  → (I)

To get R(25) from (I);

R(25) = 1380(25) - 10(25)²

         = 34500 - 6250

         = 28250

Hence, an equation for revenue (r) as a function of (p) is R = 1380p - 10p²,

and R(25) = 28250.

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By using tangent property of circle, it has been proved that [tex]\Delta[/tex] ABC is isosceles

What is tangent to a circle?

At first it is important to know about circle.

Circle is a two dimensional round figure in which every point of the circle maintains a fixed distance from a point known as the center. The fixed distance is called the radius of the circle.

The straight line which touches the circle at any point is known as the tangent to a circle.

Tangent property of circle is used here

[tex]\angle BAY = 72^{\circ}[/tex]

[tex]\angle ABC = 54^{\circ}[/tex]

[tex]\angle ACB = 72^{\circ}[/tex] [Angle in alternate segment are equal]

[tex]\angle BAC = 180 - (54 + 72)\\[/tex] [Sum of three angles of a triangle is 180°

          =   180 - 126

          =   54°

[tex]\Delta ABC[/tex] is isosceles

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Answer:

$2.34

Step-by-step explanation:

2.75 x 0.85 = $2.3375

Since we are rounding, it will round up to $2.34.

Answer:

Step-by-step explanation:

Cost of 2.75 pounds of potato =.

2.75x0.85

 = $2.3375

Answer:

r ≤ -21.75

Step-by-step explanation:

Forming the equation,

→ r ÷ (-2.5) ≤ 8.7

Then the value of r will be,

→ r ÷ (-2.5) ≤ 8.7

→ r ≤ 8.7 × (-2.5)

→ r ≤ -21.75

Hence, value of r is -21.75.

Answer:

A = Ao * (1+ i)^n       amount Ao invested for n yrs at i/yr

14900 = 4500 (1.07)^n

3.311 = (1.07)^n

log 3.311 = n log 1.07 = n* .0294

n = log 3.311 / .0294 = .52 / .0294 = 17.6 yrs

Check:

Money will double about very 70 / 7 = 10 yrs

At 10 yrs around 9000 return

At 20 yrs 18,000 return - result appears reasonable

Answer:get a tutor

Step-by-step explanation:

its free

Answer: 90 x 4 x 1

Step-by-step explanation:

90 x 4 x 1 = 360

Please thank and rate <3

Answer:

360

Step-by-step explanation:

2³x3²x5

Please thank you and rate

Answer:

XY = 12.4 cm

Step-by-step explanation:

a² + b² = c²

(4 cm)² + (XY)² = (13 cm)²

16 cm² + XY² = 169 cm²

XY² = 153 cm²

XY = √(153 cm²)

XY = 12.4 cm

The length of the shorter leg is 16 units which was found using the given data.

A quadratic equation is a second-degree algebraic equation in x. In its usual form, the quadratic equation is ax² + bx + c = 0.

Given: The larger leg of a right triangle is twice more than three times the shorter leg, and the triangle's area is 400.

We know that,

Area of triangle = 1/2(larger leg)(shorter leg)

                  400=1/2(larger leg)(shorter leg)   Equation(1)

larger leg = 2 + 3(shorter leg)

We need to substitute this in Equation(1)

400 = 1/2[2+3(shorter leg)](shorter leg)

800 = 2(shorter leg) + 3(shorter leg)²

3(shorter leg)² + 2(shorter leg) - 800 = 0

Solving this quadratic equation,

we get, shorter leg = - 16 or +16

Thus, we found that the length of the shorter leg is 16 units as -16 cannot be the length because it is negative.

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Answer: $5.14

Step-by-step explanation:

divide $539.70 by 105 to get the answer

so 539.70 divide by 105 is 5.14

step1 get rid of the decimal but you will ad it later so

53970

/   105

=514

step2 move the decimal 2 places to the left.

The mean of the triangular dots is 4, the median is 8 and the range is 6.

How to determine the Measures of central tendency?

A measure of central tendency is defined as a single value that attempts to describe a set of data by identifying the central position within the given set of data.

From the question, the parameters are dots that will form triangle as

                  .

             .   .    .

         .    .    .   .    .

      .   .   .     .   .    .   .

Total mumber of dots is 1+3+5+7=16

These parameters are represented as follows:

The mean is the average of all the dots that formed the triangle

Mean value of the set of data = [tex]\frac{16}{4} =4[/tex]

The median is the middle number when arranged in ascending or descending order of magnitude

The median is [tex]\frac{16}{2} =8[/tex]

The range is the highest value minus the lowest value in the dots

The range is 7-1=6

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The equation 22+(d-1)0.5 = 30 may be used to determine how many days it will take the plant to reach a height of 30 cm. The value of d is 17, and it stands for the number of days.

There are two definitions for an arithmetic sequence. It is a series where the differences between every two succeeding terms are identical or each term in an arithmetic sequence is formed by adding a fixed number (positive, negative, or zero) to its preceding term.

The following details are available to us:

A 22 cm tall basil plant that is gaining half a centimeter daily was purchased by Matteo.

We now have the arithmetic progression shown below with the common difference, indicated by the letter d:

22, 22.5, 23, 23.5, ...

The formula for calculating the nth term:

When an is the first term, a(n) = a+(n-1)d.

A) 22+(d-1)0.5 = 30

B) The plant still needs to develop 8 cm, as there is a difference of 8 cm between 30 and 22.

C) D's value:

22+(d-1)0.5 = 30

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Answer:

Step-by-step explanation:

28xy

The interior angle and the exterior angle of triangle XYZ is 68° and 112° respectively.

A triangle is a plane shape that has three sides.

Recall that, the sum of a interior angle and an exterior angle of a triangle is 180°.

Using the formula,

Where:

From the question,

Given:

Substitute these values into equation 1

Solve for g

Hence, interior angle of X = (5×10)+18 = 50+18 = 68° and exterior angle of X = (8×10)+32 = 80+32 = 112°

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Answer: I belive the answer is A

Step-by-step explanation: i could be wrong

Answer:

Step-by-step explanation:

Get the same denominator by multiplying 4/9 by 2/2 and 1/2 by 9/9 to get 8/18-9/18=-1/18

The two negative signs can become an addition to make -1/9+2/5 which can be rewritten as 2/5-1/9. We make them the same denominator and subtract to get 13/45.

Answer:

a. 87 b. 9 c. 4

Step-by-step explanation:

An airplane can fly 374.4 miles in 3 hours.

A small airplane flew 104 miles in 50 minutes.

So, the rate would be,

rate  = distance / time

rate = 104/50

rate = 2.08 miles/minute

We need to find the distance the airplane can flay in 3 hours.

3 hours = 180 minutes

t = 180 minutes

r = d/t

2.08 = d/180

d = 2.08 * 180

d = 374.4 miles

Therefore, an airplane can fly 374.4 miles in 3 hours.

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The measures, using the normal distribution, are given as follow:

a) Probability that a wedding costs less than $20,000: 0.257 = 25.70%.

b) Probability that a wedding costs between $20,000 and $32,000: 0.659 = 65.90%.

c) Minimum cost of the most expensive 5% of weddings:  $33,564

Normal Probability Distribution

The z-score of a measure X of a variable that has to mean symbolized by  and standard deviation symbolized by  is given by the rule presented as follows:

[tex]Z=\frac{X-\mu}{\sigma}[/tex]

The z-score represents how many standard deviations measure X is above or below the mean of the distribution, depending if the calculated z-score is positive or negative.

Using the z-score table, the p-value associated with the calculated z-score is found, and it represents the percentile of measure X in the distribution.

The mean and the standard deviation for the wedding prices are given as follows:

μ = 23858, σ = 5900

a) The probability that a wedding costs less than $20,000 is the p-value of Z when X = 20000, hence:

[tex]Z=\frac{X-\mu}{\sigma}[/tex]

Z = (20000 - 23858)/5900

Z = -0.65

Z = -0.65 has a p-value of 0.257.

The probability that it costs between $20,000 and $32,000 is the p-value of Z when X = 32000 subtracted by the p-value of Z when X = 20000, found above, hence:

[tex]Z=\frac{X-\mu}{\sigma}[/tex]

Z = (32000 - 23858)/5900

Z = 1.38

Z = 1.38 has a p-value of 0.816.

0.916 - 0.257 = 0.659.

The minimum cost for a wedding to be in the most expensive 5% of weddings is the 95th percentile, which is X when Z = 1.645, hence:

1.645 = (X - 23858)/5900

X - 23858 = 1.645 x 5900

X = $33,564.

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250 bicycles must be manufactured to minimize the cost.

The cost C in dollar of manufacturing x bicycles at a production plant is given by:

C(x) = 3x² - 1500x + 198,500

a. To find number of bicycle that can minimize the cost

differentiate C(x) with respect to x

C'(x) = 6x - 1500

equating C'(x) = 0

6x - 1500 = 0

x = 1500/6

x = 250 , is our stationary point

Differentiate C'(x) = 6x - 1500 again and put x = 250,

C''(x) = 6 (positive)

At x = 250 , cost is minimum

Therefore , 250 bicycles must be manufactured to minimize the cost.

b. C(x) = 3x² - 1500x + 198,500

putting x = 250,

C(x) = 3(250)² - 1500(250) + 198,500
= 187,500 - 375 ,000 + 198,500

= $11,000 is the minimum cost

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The measure of the angle ACB is 87°.

Angles produced by two beams are included in the plane that contains the rays. The intersection of two planes may also produce an angle. Dihedral angles are the name given to them. It is also possible to determine the angle between two crossing curves using the angle created by the rays that are perpendicular to each intersecting curve at that point.

An angle can also refer to a measurement of a rotation or an angle. This number represents the length-to-radius ratio of a circular arc.

When two crossing lines in a plane are not perpendicular to one another, Euclid defined a plane angle as the inclination between those intersecting lines.

In triangle ADE and triangle ACB, the triangles are similar.

So,

∠AED/ ∠ABC = ∠DAE/∠CAB

∠AED = ∠ABC

11x-2 = 6x + 13

11x - 6x = 13 + 2

5x = 15

x = 15/5

x = 3

So, the measure of angle ABC is

∠ ABC = 6(3)+13

∠ ABC = 18+13

∠ ABC  = 31°

Now, consider triangle ABC, the sum of all angles = 180°

So, 62° + 31° + ∠ACB = 180°

∠ACB + 93° = 180°

∠ACB =  180° - 93°

∠ACB = 87°

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The x-intercepts of the quadratic function g(x) = x² - 10x + 24 are given as follows:

(4, 0) and (6, 0).

A function crosses the x-axis when the numeric value of the function is of y = 0, hence these points are called the x-intercepts of the function.

In this problem, the definition of the function is given as follows:

g(x) = x² - 10x + 24.

This function can be simplified as follows:

g(x) = (x - 6)(x - 4).

Applying the inverse of the Factor Theorem, the x-intercepts are given as follows:

Hence the x-intercepts of the function are given by the third option, which is of (4, 0) and (6, 0).

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Answer: C

Step-by-step explanation: trust me

Simply put, probability is the likelihood that something will occur.When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes.Statistics is the study of events that follow a probability distribution.

I clarify this because the question uses plural “drawing white socks”. Ok, in our language practice one does usually say socks instead of sock because they usually come in pair.

If it means 1 draw of 1 sock then the probability is 6out of 21. Or about 28.57%

But if it is to draw twice with one sock being drawn in each draw to get a pair of white socks then the probability is 6/21 * /20 = 30/420 = 1/14 or about 7.14%

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Answer:

324 ft

Step-by-step explanation:

[tex]v=\sqrt{2gh}[/tex]

[tex]v^2=(\sqrt{2gh})^2[/tex]

[tex]v^2=2gh[/tex]

[tex]\frac{v^2}{2g}=\frac{2gh}{2g}[/tex]

[tex]\frac{v^2}{2g}=h[/tex]

[tex]\frac{144^2}{2(32)}=h[/tex]

[tex]\frac{20736}{64}=h[/tex]

[tex]324=h[/tex]