document.write( "Question 139467This question is from textbook College Algebra
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document.write( ": Hello, I worked this problem and only got half credit.
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document.write( "How can I work this as a systems of equations
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document.write( "x^2+y^2=25
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document.write( "5=x+y
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document.write( "This is what I did
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document.write( "x=5-y
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document.write( "(y-5)^2+y^2=25
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document.write( "2y-y^2-25=0 \n" );
document.write( "
Algebra.Com's Answer #101753 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! x^2+y^2=25 \n" ); document.write( "5=x+y \n" ); document.write( "x=5-y \n" ); document.write( "(5-y)^2+y^2=25 \n" ); document.write( "25-10y+y^2+y^2=25 \n" ); document.write( "2y^2-10y=0 \n" ); document.write( "2y(y-5)=0 \n" ); document.write( "2y=0 \n" ); document.write( "y=0 answer. \n" ); document.write( "y-5=0 \n" ); document.write( "y=5 answer. \n" ); document.write( "x=5-0 \n" ); document.write( "x=5 answer. \n" ); document.write( "x=5-5 \n" ); document.write( "y=0 answer. \n" ); document.write( " \n" ); document.write( " |