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galaxychild101
18.10.2020 •
Mathematics
A rancher with 320 meters of fence
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Ответ:
The parallel to the wall will be 320-2x
the area will be:
A(x)=x(320-2x)
A(x)=320x-2x^2
This is a quadratic with a =-2 and b=320
Maximum area will occur where x=-b/2a
=-320/(-2*2)
=80 ft
thus the width will be 80 ft and the length will be:
length=320-2*80=160 ft
Ответ:
-450
Step-by-step explanation: