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F a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x h)?
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F a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x h)?
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Jul 15, 2018
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f a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x h)?
Mathematics
high-school
Dennisobrien
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A=xy and we are told y=12+x so
A=12x+x^2 and A=400 so
x^2+12x=400
x^2+12x-400=0
x=(-12±√1744)/2
x≈14.88
So the dimensions are approximately 14.88" by 26.88"
Jesse Hill
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Jul 17, 2018
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Well if the window is 40 x 10 the L is 52 and the w 22
Pteehan
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Jul 21, 2018
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Pteehan
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