diop1 diop1
  • 16-04-2016
  • Mathematics
contestada

The width of a rectangle is 8 inches less than the length. The area is 153 square inches. Find the length and width of the rectangle.

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Аноним Аноним
  • 16-04-2016
A = W*L
W = L-8
A = (L(L-8))
153 = L^2-8L
L^2-8L-153=0
Factoring: (L-17)(L+9)=0
Thus the L = 17, and W = 9.
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