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3 years ago

Based on the scatterplot, what is the best prediction of the amount of $ in sales when the temperature is at 21°C?

Mathematics

2 answers:

adelina 88 [10]3 years ago

5 0

Answer:

$450

Step-by-step explanation:

dusya [7]3 years ago

5 0

Answer:

Between 400$ and 500$

Step-by-step explanation:

Draw a straight line that follows the scatterplot - either by guesstimating (best choice) or by applying any known method to extrapolate a line. Then it's just a matter of reading the y value corresponding to that x. Hardly a perfect image, but close enough since it's a prediction

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In the summer a large pool evaporates water at 15% per day. If the pool starts out with 25,700 gallons of water, which function

JulijaS [17]

Answer:

$y=25,700(0.85)^{x}$

Step-by-step explanation:

we know that

In this problem we have a exponential function of the form

$y=a(b)^{x}$

where

y ----> represent the pool’s loss of water

x ----> the number of days

a is the initial value

a=25,700 gal

b ----> is the base

r=15%=15/100=0.15

b=(1-r)=1-0.15=0.85

The function is equal to

$y=25,700(0.85)^{x}$

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4 years ago

1.For this problem, 200 meters of fencing will all be used to place fence on all four sides of the rectangle. Your task is to wr

solong [7]

Answer:

Step-by-step explanation:

Given that:

the perimeter of the fencing (rectangle) = 200

Let recall that the area equation of a rectangle = L × w

The perimeter now = 2(L + w)

The perimeter = 2L + 2w

∴

200 = 2L +2w

Dividing both sides by 2

100 = L + w

Making Length L the subject; we have:

- L = -100 + w

L = 100 - w

Thus;

A(w) = (100 - w) w

and the domain of the function is (0,100)

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3 years ago

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Dmitry_Shevchenko [17]

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3 years ago

Slope = 1/3 y-intercept = -1

alexandr1967 [171]

Answer:

Step-by-step explanation:

I think you wanted a graph...

The y-intercept is the only part of the y axis where the line passes through.

So the slope is 1/3 -- rise/run

So from -1 on the y axis, go up 1 and right 3

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3 years ago

The expression on the left side of an equation is shown below.

77julia77 [94]

Answer:

(x=1) - Below

0-6 = 6

(-6x) = -6

(0 - (6x))+6 = 12

Step-by-step explanation:

Step 1: Subtract 6 from both sides.

−6x+6−6=0−6

−6x=−6

Step 2: Divide both sides by -6.

−6x/−6 =− 6/−6

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3 years ago

Based on the scatterplot, what is the best prediction of the amount of $ in sales when the temperature is at 21°C?​

Based on the scatterplot, what is the best prediction of the amount of $ in sales when the temperature is at 21°C?