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alexabdercmur
01.10.2019 •
Mathematics
The equation a = x(x - 7) describes the area, a, of a rectangular flower garden, where x is the width in feet.
what would be the width in feet of the flower garden if the area is 8 square feet?
a. 9
b. 1
c. 8
d. 7
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Ответ:
x(x-7)=8
x^2-7x-8=0
(x-8)(x+1)=0
so x=8 (and -1 but width can’t be negative)
So your answer is C. 8
Ответ:
Sad to here that, Goodbye, but why do they keep reporting you?
Step-by-step explanation: