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sergejj [24]
3 years ago
10

How many gallons of paint are required to paint the walls of a building having l= 50 ft w= 40 ft. h =80ft.

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0
50*40*80=160000 to find the total square feet

then you divide 160000/500 to figure out the total amount of gallons of paint you need

you need 320 gallons of paint
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We want to find a linear equation that models the given situation.

The solution is p = $0.0001*q - $23

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p = m*q + c

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If we know that the line passes through two points (x₁, y₁) and (x₂, y₂) then the slope can be written as:

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

Here we have the two points:

price = $9, boxes = 320,000

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We can rewrite these as:

(320,000 , $9)

(270,000 , $8.50)

Then the slope of the line will be:

m = \frac{\$ 9 - \$ 8.50}{320,000 - 270,000}  = \$ 0.00001

Then the line is something like:

p = $0.0001*q + c

To find the value of c we can use one of the two given points, I will use the first one, (320,000 , $9).

Replacing that in our equation we get:

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Then the linear equation is:

p = $0.0001*q - $23

If you want to learn more you can read:

brainly.com/question/11687874

3 0
2 years ago
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AlexFokin [52]

Answer:

B) 44

Step-by-step explanation:

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44

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3 years ago
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