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)![]() ![]() You can put this solution on YOUR website! 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 = \n" ); document.write( "y2 = \n" ); document.write( ": \n" ); document.write( "Should look like this: \n" ); document.write( " \n" ); document.write( "Intersection at x=7, y=13 \n" ); document.write( ": \n" ); document.write( "therefore a=7, y=13, checks out in the original statements \n" ); document.write( " |