TheCat2758 TheCat2758

10-03-2018
Mathematics

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If the perimeter of a rectangle is expressed by the formula p 2l 2w then w can be expressed as

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calculista calculista

19-03-2018

we have that
P=(2l+2w)
then
subtract 2L from both sides
P-2l=2l+2w-2l-----------> P-2l=2w
divide by 2 on both sides
(P-2l)/2=2w/2
(P-2l)/2=w------------------> w=(P-2l)/2
w=(P-2l)/2------------> w=(P/2)-(2l/2)---------> w=(P/2)-l

the answer is
w=(P/2)-l

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