allicat133
11.10.2019 •
Mathematics
Name the property the equation illustrates -4x(-1/4)=1
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Ответ:
Let L be the length and W the width of the rectangle.
1. w=2•L
2. 2L+2W=36
Substitute eq. 1 into eq. 2,
2L+2•(2•L)=36
2L+4L=36
6L=36
L=9
Not done yet, then from eq. 1,
W=2•L
W=2•9
W=18 < Your answer. :)