document.write( "Question 128543: I am stumped on two problems. Any help would be greatly apprecited.
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document.write( "1. An open-top box will be made from a square piece of cardboard of length 26-inch by cutting 2-inch squares from the corners and folding up the sides. Find the volume of the box.\r
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document.write( "2. A ladder is leaning against a wall. The distance from the bottom of the ladder to the wall is 3 feet less than the length of the ladder. Find the length of the ladder, if the distance of its topto the ground is 4 feet less than the length of the ladder. \n" );
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Algebra.Com's Answer #94065 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! A 26 SQUARE INCH PIECE OF CARDBOARD WITH 2 INCHES CUT OUT OF EACH CORNER & FOLDED TO MAKE AN OPEN TOP BOX IS: \n" ); document.write( "22*22*2=968 IN^3 \n" ); document.write( "--------------------------------- \n" ); document.write( "(X-4)^2+(X-3)^2=X^2 \n" ); document.write( "X^2-8X+16+X^2-6X+9=X^2 \n" ); document.write( "X^2-14X+25=0 \n" ); document.write( "USING THE QUADRATIC EQUATION: \n" ); document.write( "X=(14+-SQRT[-14^2-4*1*25])/2*1 \n" ); document.write( "X=(14+-SQRT[196-100])/2 \n" ); document.write( "X=(14+-SQRT96)/2 \n" ); document.write( "X=(14+-9.8)/2 \n" ); document.write( "X=(14+9.8)/2 \n" ); document.write( "X=23.8/2 \n" ); document.write( "X=11.9 FEET IDS THE LENGTH OF THE LADDER. \n" ); document.write( "PROOF: \n" ); document.write( "(11.9-4)^2+(11.9-3)^2=11.9^2 \n" ); document.write( "7.9^2+8.9^2=141.61 \n" ); document.write( "62.41+79.21=141.61 \n" ); document.write( "141.61=141.61\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |