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12-09-2018
Mathematics

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shelf is 7 feet tall and 4 feet wide. it is 28 cubic feet. what is the depth?

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jdoe0001 jdoe0001

12-09-2018

[tex]\bf \textit{volume of a rectangular prism}\\\\ V=Lwh~~ \begin{cases} L=\stackrel{depth}{length}\\ w=width\\ h=height\\[-0.5em] \hrulefill\\ h=7\\ w=4\\ V=28 \end{cases}\implies 28=L(4)(7)\implies \cfrac{28}{(4)(7)}=L\implies 1=L[/tex]

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