suselygonza
18.07.2019 •
Mathematics
Length of a rectangle is 3 in longer than the width when the perimeter is 54 inches
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Ответ:
Length: 3+x
P=2(l+w)
54=2(x+(x+3))
54/2=2x+3
27=2x+3
27-3=2x
24=2x
24/2=x
12=x
Therefore, the width is 12 inches and the length is (12+3)=15 inches
Hope I helped :)
Ответ:
V + F = 2 + E ...now subtract 2 from both sides
V + F - 2 = E <==