document.write( "Question 97462: A=2rh+2r^2; solve for h\r
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document.write( "This is how I worked it out. \r
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document.write( "A=2rh+2r^2
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document.write( "A-2r^2=2rh+2r^2-2r^2
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document.write( "A-2r^2=2rh\r
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document.write( "A-2r^2/2r=2rh/2r\r
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document.write( "A-r=h
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Algebra.Com's Answer #70929 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 2rh+2r^2=A; solve for h \n" ); document.write( "subtract 2r^2 from each side. 2rh=A-2r^2 \n" ); document.write( "divide 2r into each side. \n" ); document.write( ". \n" ); document.write( "you did well. \n" ); document.write( "Your only mistake was your last step. \n" ); document.write( "if you divide 2r into you have to divide into both A and -2r^2 and you get \n" ); document.write( "Ed \n" ); document.write( " |