document.write( "Question 759291: an aquarium holding african cichilds is 3in higher than it is wide.its length is 27in and its volume 9180 cubic inches. what is its height and width \n" ); document.write( "
Algebra.Com's Answer #461963 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Width = x \n" ); document.write( "Height = x + 3 \n" ); document.write( "Length = 27 inches \n" ); document.write( " x*(x + 3)* 27 = 9180 inches^3 \n" ); document.write( " 27x(x + 3)= 9180 \n" ); document.write( " 27x^2 + 81x - 9180 = 0 \n" ); document.write( "Divide throughout by 27 \n" ); document.write( " x^2 + 3x - 340 = 0 \n" ); document.write( " (x + 20)(x - 17) = 0 \n" ); document.write( " x = - 20 (no answer) \n" ); document.write( " x = 17 \n" ); document.write( "So, Width = 17 inches \n" ); document.write( " Height = 20 inches \n" ); document.write( " Length = 27 inches. \n" ); document.write( " 17 * 20 * 27 = 9180 \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |