princess123
  • princess123
Jack is building a rectangular dog pen that he wishes to enclose. The width of the pen is 2 yards less than the length. If the area of the dog pen is 15 square yards, Jack needs how many yards of fencing to completely enclose the pen?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
let l for the length, W for the width A= L*w 15=L*(L-2) 15=L^2-2L 0 = L^2 -2L -15
anonymous
  • anonymous
use , quadratic equation form solve

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