document.write( "Question 78023: 1. Find the length of a chorter leg of a right triangle if the longer leg is 10 miles more than the shorter leg and the hypotemuse is 10 miles less than twice the shorter leg.\r
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\n" ); document.write( "\n" ); document.write( "2. The sum of two numbers is twenty-five and the sum of their square is three hundred and five. Find the number.
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Algebra.Com's Answer #55987 by checkley75(3666)\"\" \"About 
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X=SHORTER LEG
\n" ); document.write( "X+10=LONGER LEG
\n" ); document.write( "2X-10=HYPOTENUSE
\n" ); document.write( "X^2+(X+10)^2=(2X-10)^2
\n" ); document.write( "X^2+X^2+20X+100=4X^2-40X+100
\n" ); document.write( "2X^2-4X^2+60X=0
\n" ); document.write( "-2X^2+60X=0
\n" ); document.write( "2X^2-60x=0
\n" ); document.write( "x(2x-60)=0
\n" ); document.write( "x=0
\n" ); document.write( "2x-60=0
\n" ); document.write( "2x=60
\n" ); document.write( "x=60/2
\n" ); document.write( "x=30 answer.
\n" ); document.write( "proof
\n" ); document.write( "30^2+(30+10)^2=(2*30-10)^2
\n" ); document.write( "900+1600=(50)^2
\n" ); document.write( "2500=2500\r
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