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The rectangular sheet of metal has a length of 15cm and a [#permalink]
21 Mar 2008, 05:20
The rectangular sheet of metal has a length of 15cm and a width of 12cm. An open box to be constructed from the sheet by cutting a square of side n cm from each corner, folding the resulting projections up and welding the seams together. What will the volume of the box be terms of n? 180-54n^2+4n^2 180-4n^2 180n+54n^2+4n^3 180n-54n+4n^2 180n-54n^2-4n^3 Please explain your answer. Optional: time you spend on this question
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