SOLUTION: If you know that the area of a rectangle is 48cm sq. Find the length if it is 5 times the width plus one.
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Question 554187: If you know that the area of a rectangle is 48cm sq. Find the length if it is 5 times the width plus one.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If you know that the area of a rectangle is 48cm sq.
Find the length if it is 5 times the width plus one.
-----
Area = 48 cm sq
A = L*W
Let W be "x":
Then L is "5X+1"
----
x(x+1) = 48
x^2+x-48 = 0
--------------------
x = 6.4462 or x = -7.4462
Positive solution:
Width = 6.4462
Length = 7.4462
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Cheers,
Stan H.
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