document.write( "Question 498016: A box with a square base and no top is to be made from a square piece of cardboard by cutting 4 inch squares from each corner and folding up the sides. The box is to hold 100 in cubed. How big a piece of cardboard is needed. \n" ); document.write( "
Algebra.Com's Answer #336973 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! The volume will be L*W*H \n" ); document.write( "We are cutting 4 inches from each corner, so the length and width will each be \n" ); document.write( "x - 8. \n" ); document.write( "The height will be 4. \n" ); document.write( "100 = 4* (x - 8)* (x - 8) \n" ); document.write( "25 = (x - 8)^2 \n" ); document.write( "5 = x - 8 \n" ); document.write( "13 inches= x. \n" ); document.write( "The piece of cardboard needed will be 13 by 13 inches. \n" ); document.write( "Cleomenius. \n" ); document.write( " |