document.write( "Question 674884: The volume of an outdoor pool in the shape of a rectangular prism is given by the polynomial (2a^3 + 8a^2 - 34a - 120) cubic meters. The pool is half full . The dimensions of the length and width of the base are (a +5)meters and (a-4)meters. What is the height of the water in the pool in meters \n" ); document.write( "
Algebra.Com's Answer #419461 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The volume of an outdoor pool in the shape of a rectangular prism is given by \n" ); document.write( " the polynomial (2a^3 + 8a^2 - 34a - 120) cubic meters. The pool is half full. The dimensions of the length and width of the base are (a +5)meters and (a-4)meters. \n" ); document.write( " What is the height of the water in the pool in meters \n" ); document.write( ": \n" ); document.write( "Use synthetic division \n" ); document.write( ": \n" ); document.write( ". . .__________________ \n" ); document.write( " -5 |2 + 8 - 34 - 120 \n" ); document.write( ": \n" ); document.write( "I came up with 2a^2 - 2a - 24 \n" ); document.write( "Factor this to:(a-4)(2a+6) \n" ); document.write( ": \n" ); document.write( "we know the width = (a-4), therefore the height of the pool = (2a+6) \n" ); document.write( ": \n" ); document.write( "but they want the height of the water, half the height of the pool: \n" ); document.write( " h = \n" ); document.write( " h = (a+3) is the height of the water \n" ); document.write( " |