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Vlad1618 [11]
2 years ago
9

The video streaming service that you want to use is represented with the equation below, where y represents the the total monthl

y cost of the service and x represents the number of videos you plan to stream each month
if the x is 0,5,8,10,30 and y is 5,11.25, 15,17.5, 42.5what does the initial value represent in the problem and the rate of change
Mathematics
1 answer:
Kisachek [45]2 years ago
4 0

The coefficients of the linear relation are:

  • Initial value = 5
  • Rate of change = 1.25

<h3>How to find a linear equation?</h3>

A general linear equation is given by:

y = a*x + b

Where a is the slope (also called the rate of change) and b is the y-intercept (also called the initial value).

If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), then the slope is given by:

a = \frac{y_2 - y_1}{x_2 - x_1}

Here we will use only need the first two pairs from the table (you can use any two you want).

(0, 5)

(5, 11.25)

From the first one, you can see that when x = 0, y = 5.

Replacing that in the general linear equation we get:

5 = a*0 + b

5 = b

So we already know the initial value. Now we can use these two points to get the slope (rate of change).

a = \frac{11.25 - 5}{5 - 0} = 1.25

Then we can conclude:

  • Initial value = 5
  • Rate of change = 1.25

If you want to learn more about linear equations, you can read:

brainly.com/question/4074386

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Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applie
Y_Kistochka [10]

Answer:

The coordinates of T' will be T'(13,-1)

Step-by-step explanation:

step 1

Find the rule of the translation

take any point of rectangle JKLM (pre-image)

The coordinate of point k(-3,2)

The coordinate of point k'(4,7)

so

The rule of the transformation

k(-3,2) -----> k'(4,7)

is equal to

(x,y) ------> (x+7,y+5)

That means ----> the translation is 7 units at right and 5 units up

step 2

Apply the rule of the translation at the coordinate T of trapezoid STUV

we have

T(6,-6)

(x,y) ------> (x+7,y+5)

T(6,-6) ------> T'(6+7,-6+5)

T(6,-6) ------> T'(13,-1)

therefore

The coordinates of T' will be T'(13,-1)

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3 years ago
GIVING BRAINLIEST!!! A student observes a beaker of room temperature water resting on a table. She states that the beaker of wat
attashe74 [19]

Answer:

b

Step-by-step explanation:

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Bills plant grew at the rate of 1 1/2. How tall would the plant be after 3 weeks
kvv77 [185]

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Step-by-step explanation:

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A circle has a diameter of 12 feet. What is the circumference of the circle?
Lady bird [3.3K]

Answer:

B). 37.68 feet.

Step-by-step explanation:

Circumference = diameter *  π

= 12 * π

=  37.68 feet.

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3 years ago
A hockey puck strikes a wall at an angle of 30 degrees. the puck then travels away from the wall at the same angle.
patriot [66]

Two or more angles whose sum is 180° are called supplementary angles. The measure of the ∠y is 120°.

<h3>What are supplementary angles?</h3>

Two or more angles whose sum is 180° are called supplementary angles. If a straight line is intersected by a line, then there are two angles form on each of the sides of the considered straight line. Those two-two angles are two pairs of supplementary angles. That means, that if supplementary angles are aligned adjacent to each other, their exterior sides will make a straight line.

Given the puck strikes the wall at an angle of 30°, it goes away at the same angle of 30°. Therefore, the measure of angle y can be found using the sum of the angle as a supplementary angle. Thus, we can write,

30° + ∠y + 30° = 180°

60° + ∠y = 180°

∠y = 180° - 60° = 120°

Hence, the measure of the ∠y is 120°.

Learn more about Supplementary Angles:

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#SPJ1

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