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A rectangular box has a perimeter of 36 inches. Which of the following equations represents the area of the rectangular box in terms of its width, w? a.) A = 36w - w^2 b.) A = 18w - w^2 c.) A = 36 - w^2
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Jan 12, 2018
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A rectangular box has a perimeter of 36 inches. Which of the following equations represents the area of the rectangular box in terms of its width, w?
a.) A = 36w - w^2
b.) A = 18w - w^2
c.) A = 36 - w^2
d.) A = 18 - w^2
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Salmaan
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Perimeter=2(l+w)
36=2(l+w)
(l+w)=18
l=18-w
area of a rectangle=w*l
put value of l here
Area=w*(18-w)
Area=18w-w^2
Serak Shiferaw
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Jan 18, 2018
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Serak Shiferaw
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