document.write( "Question 348109: Boxes are made by cutting 8 cm squares from the corners of sheets of cardboard and then folding. The sheets of cardboard are 6 cm longer than they are wide.
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document.write( "For the sheet of cardboard whose width is x cm, find expressions, in terms of xm for:
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document.write( "(i)(a) Length of the sheet
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document.write( "b) The length of the finished box
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document.write( "c) Width of the finished box
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document.write( "(ii)Show that the volume of the box is 8x^2 - 208x + 1280cm^3 \n" );
document.write( "
Algebra.Com's Answer #248900 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let width of sheet be x cm \n" ); document.write( "length = x+6cm \n" ); document.write( "... \n" ); document.write( "width of box = x-16 cm \n" ); document.write( "width of sheet = x+6-16=x-10cm \n" ); document.write( "height = 8 \n" ); document.write( ".... \n" ); document.write( "Volume of box = L*W*H \n" ); document.write( "(x-16)(x-10)*8 \n" ); document.write( "(x^2-26x+160)*8 \n" ); document.write( "8x^2-208x+1280 cm^3 \n" ); document.write( " |