livylynn
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The formula for the perimeter of a rectangle is P = 2l + 2w. The length of a rectangle is 7 units longer than its width.

Which expression represents the perimeter of the rectangle?

Respuesta :

Jisallyouget
the expression to represent the perimeter of the rectangle is:
2(w + 7) + 2w
toporc
[tex]P=2l+2w[/tex]
if
[tex]l=w+7[/tex]
we can plug this expression for the length into the first equation and get:
[tex]P=2(w+7)+2w=4w+14=2(2w+7)[/tex]

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