document.write( "Question 263610: An open box is to be constructed from a square piece of sheet metal by removing a square of side 6 inches from each corner and turning up the edges. If the box is to hold 294 cubic inches, what should be the dimensions of the sheet metal? \n" ); document.write( "
Algebra.Com's Answer #194266 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! An open box is to be constructed from a square piece of sheet metal by removing a square of side 6 inches from each corner and turning up the edges. \n" ); document.write( "If the box is to hold 294 cubic inches, what should be the dimensions of the sheet metal? \n" ); document.write( "---------------------------------------\r \n" ); document.write( "\n" ); document.write( "Let the sheet metal be x\" by x\". \n" ); document.write( "Sketch a square that is x by x. \n" ); document.write( "sketch 6 by 6 squares in each of its corners. \n" ); document.write( "Imagine cutting out those four squares. \n" ); document.write( "Imagine folding up the four sides to form a box. \n" ); document.write( "--------- \n" ); document.write( "The base of the box is (x-2*6)^2 sq in. \n" ); document.write( "The height of the box is 6 in \n" ); document.write( "----------------------------------------- \n" ); document.write( "Volume = 6(x-12)^2 = 294 \n" ); document.write( "(x-12)^2 = 49 \n" ); document.write( "x-12 = 7 \n" ); document.write( "x = 19\"\r \n" ); document.write( "\n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |