document.write( "Question 571031: Find two numbers whose sum is 54 and whose product is 665. \n" ); document.write( "
Algebra.Com's Answer #367905 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! We have two equations in two unknowns.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a + b = 54\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a*b = 665\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "======================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solving a + b = 54 for a, I get a = 54 - b.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I then plug 54 - b in the equation a*b = 665.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(54 - b)*b = 665\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I proceed to solve (54 - b)*b = 665 for b.\r \n" ); document.write( "\n" ); document.write( "Solving for b, I get two answers: b = 19 and b = 35.\r \n" ); document.write( "\n" ); document.write( "To find a, I must replace either original equation with either value of b.\r \n" ); document.write( "\n" ); document.write( "I will use b = 19.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a + b = 54\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a + 19 = 54\r \n" ); document.write( "\n" ); document.write( "a = 54 - 19\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a = 35.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The numbers are 19 and 35.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |