document.write( "Question 821503: A box with no top is to be constructed from a piece of cardboard whose length measures 12 inches more than its width. The box is formed by cutting squares that measure 5 inch on each side from the four corners and then folding up the sides.
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document.write( "If the volume of the box 65 in ^3 what are the dimensions of the piece of cardboard?
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document.write( "The Height?
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document.write( "The width? \n" );
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Algebra.Com's Answer #494381 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "v = 65 = Lwh \n" ); document.write( "h = 5 \n" ); document.write( "65 = 5Lw \n" ); document.write( "--- \n" ); document.write( "Lw = 13 \n" ); document.write( "L = w + 12 \n" ); document.write( "--- \n" ); document.write( "Lw = 13 \n" ); document.write( "(w + 12)w = 13 \n" ); document.write( "ww + 12w - 13 = 0 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=12, and c=-13 \n" ); document.write( "--- \n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this: \n" ); document.write( "1 12 -13 \n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "the two real roots (i.e. the two x-intercepts), of the quadratic are: \n" ); document.write( "w = 1 \n" ); document.write( "w = -13 \n" ); document.write( "--- \n" ); document.write( "negative width doesn't make sense so use the positive root: \n" ); document.write( "--- \n" ); document.write( "dimensions of the bottom of the box \n" ); document.write( "w = 1 \n" ); document.write( "L = w + 12 = 13 \n" ); document.write( "--- \n" ); document.write( "dimensions of the cardboard: \n" ); document.write( "w= 1 + 10 = 11 inch \n" ); document.write( "L= 13 + 10 = 23 inch \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |