Asked by Dnje
You are fencing in a rectangular area The length is x+5 and the width is x. The total area is 350 ft² . Find the perimeter.
Answers
Answered by
Reiny
x(x+5) = 350
x^2 + 5x - 350 = 0
too bad it doesn't factor.
By the formula
x = (-5 + √1425)/2
= appr 16.37 ft
take over
remember perimeter = 2width + 2length
x^2 + 5x - 350 = 0
too bad it doesn't factor.
By the formula
x = (-5 + √1425)/2
= appr 16.37 ft
take over
remember perimeter = 2width + 2length
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