SOLUTION: A solar collector is 2.5 m long by 2.0 m wide. It is held in place by a frame of uniform width around its outside edge. If the exposed collector is 4 m2, what is the width of the f
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Question 102565: A solar collector is 2.5 m long by 2.0 m wide. It is held in place by a frame of uniform width around its outside edge. If the exposed collector is 4 m2, what is the width of the frame to the nearest tenth of a centimeter?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If the exposed area is , then the area of the
frame is
Call the width of the frame
Then
This is in the form
gives the only reasonable answer
m, or
cm answer
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