document.write( "Question 1042132: the product of two positive numbers is 5/6 and their quotient is 15/8. calculate the numbers \n" ); document.write( "
Algebra.Com's Answer #657081 by Aldorozos(172)![]() ![]() ![]() You can put this solution on YOUR website! x*y = 5/6 \n" ); document.write( "x/y = 15/8\r \n" ); document.write( "\n" ); document.write( "In x/y = 15/8 multiply both sides by y to get ride of the denominator and find out what x is in terms of y\r \n" ); document.write( "\n" ); document.write( "x = 15/8 * y \n" ); document.write( "Now that we know what x is in terms of Y we replace x in x*y = 5/6 and we get \n" ); document.write( "(15/8 * y)* y = 5/6\r \n" ); document.write( "\n" ); document.write( "y^2 *15/8 = 5/6 Therefore y^2 = 5/6 *8/15 (here we multiplied both sides by 15/8 to isolate y^2)\r \n" ); document.write( "\n" ); document.write( "Now we have y^2 = 4/9 Therefore y = +2/3 and -2/3 \n" ); document.write( "Now that we have y we replace y in x*y = 5/6 with +2/3 and -2/3 and we get two values for x which are 5/4 and -5/4 \n" ); document.write( " \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |