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A box with an open top is to be constructed by cutting a-inch squares from the corners of a rectangular sheet?
A box with an open top is to be constructed by cutting a-inch squares from the corners of a rectangular sheet of tin whose length is twice its width. What size sheet will produce a box having a volume of 528 in3 when a = 3?
Width = ?
Length = ?
1 Answer
- RamonLv 79 years agoFavorite Answer
(2x-6)(x-6)3=528
(2x²-18x+36)3=528
2x²-18x+36=176
2x²-18x-140=0
x²-9x-70=0
(x-14)(x+5)=0
x-14=0
x=14
so the sheet must be 28 by 14 in