the length of a rectangle is 7 meters less than twice the width. Find the dimensions if the area is 60 square meters
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the length of a rectangle is 7 meters less than twice the width. Find the dimensions if the area is 60 square meters
I'll mark brainliests pag na answer ng kaayos please bukas na e pasa
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Answer:
Length = 8 meters
Width = 7.5 meters
Step-by-step explanation:
LW = A
Given:
Now replace L in terms of W
W(2W-7) = 60
2W^2 - 7W = 60
Subtract 60 to both sides
2W^2 - 7W - 60
Now solve this using quadratic formula, where a = 2, b = -7 and c = -60
Ignore the negative answer because we are talking about dimension.
w = 7.5
Remember L = 2W - 7
L = 2(7.5) - 7
L = 8
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