document.write( "Question 278577: Molly's age is twice Anitas. If the sum of the squares of thier ages is 80, then what are their ages? \n" ); document.write( "
Algebra.Com's Answer #202731 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Molly's age is twice Anitas. \n" ); document.write( "If the sum of the squares of their ages is 80, then what are their ages? \n" ); document.write( ": \n" ); document.write( "m = 2a \n" ); document.write( ": \n" ); document.write( "m^2 + a^2 = 80 \n" ); document.write( ": \n" ); document.write( "Replace m with 2a \n" ); document.write( "(2a)^2 + a^2 = 80 \n" ); document.write( ": \n" ); document.write( "4a^2 + a^2 = 80 \n" ); document.write( ": \n" ); document.write( "5a^2 = 80 \n" ); document.write( ": \n" ); document.write( "a^2 = \n" ); document.write( "a^2 = 16 \n" ); document.write( "a = 4 \n" ); document.write( "then \n" ); document.write( "m = 8 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check 4^2 + 8^2 = 80 \n" ); document.write( " |