document.write( "Question 497521: If you add the square of Ruben's age to the age of Angelita, the sum is 62; but if yo add the square of Angelita's age to the age of Ruben, the sum is 176. Can you say what the ages of Ruben and Angelita are?\r
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Algebra.Com's Answer #336904 by ankor@dixie-net.com(22740)\"\" \"About 
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If you add the square of Ruben's age to the age of Angelita, the sum is 62;
\n" ); document.write( " but if you add the square of Angelita's age to the age of Ruben, the sum is 176.
\n" ); document.write( " Can you say what the ages of Ruben and Angelita are?
\n" ); document.write( ":
\n" ); document.write( "Write an equation for each statement that can be entered into a graphing calc:
\n" ); document.write( "r^2 + a = 62
\n" ); document.write( "a = -r^2 + 62
\n" ); document.write( "Enter y1 = -x^2 + 62
\n" ); document.write( "and
\n" ); document.write( "r + a^2 = 176
\n" ); document.write( "a^2 = -r + 176
\n" ); document.write( "a = \"sqrt%28-r%2B176%29\"
\n" ); document.write( "y2 = \"sqrt%28-x%2B176%29\"
\n" ); document.write( ":
\n" ); document.write( "Should look like this:
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-2%2C+10%2C+-4%2C+20%2C+-x%5E2%2B62%2C+sqrt%28-x%2B176%29%29\"
\n" ); document.write( "Intersection at x=7, y=13
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\n" ); document.write( "therefore a=7, y=13, checks out in the original statements
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