MyChannelBruh6896
23.12.2019 •
Mathematics
How do i find the length and the width?
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Ответ:
A = 91
L = W + 6
91 = W(W + 6)
91 = W^2 + 6W
W^2 + 6W - 91 = 0
(W - 7)(W + 13) = 0
W - 7 = 0
W = 7
W + 13 = 0
W = -13extraneous solution...this one does not work
so the width is 7 inches <
L = W + 6
L = 7 + 6
L = 13...and the length is 13 inches <
Ответ:
12
Step-by-step explanation:
divide 72 by 6 and you get 12