document.write( "Question 58689: Simplity (sqrt7)(sqrt14) my answer 9.89494937
\n" );
document.write( "Simpilfy 5(sqrt5)-(sqrt20) my answer 6.708203932 is not right.
\n" );
document.write( "Simplify (sqrt5)(sqrt3) my answer 3.87298346
\n" );
document.write( "Determine whether (121)^1/3 is rational or irrational. This is the 3rd root of 121. \n" );
document.write( "
Algebra.Com's Answer #40237 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Simplify (sqrt7)(sqrt14) \n" ); document.write( "=sqrt(7^2*2) \n" ); document.write( "=7sqrt2 \n" ); document.write( "----------------\r \n" ); document.write( "\n" ); document.write( "Simpilfy 5(sqrt5)-(sqrt20) \n" ); document.write( "=5sqrt5-sqrt(4*5) \n" ); document.write( "=5sqrt5-2sqrt5 \n" ); document.write( "=3sqrt5 \n" ); document.write( "---------------\r \n" ); document.write( "\n" ); document.write( "Simplify (sqrt5)(sqrt3) \n" ); document.write( "=sqrt15 \n" ); document.write( "--------------\r \n" ); document.write( "\n" ); document.write( "Determine whether (121)^1/3 is rational or irrational. This is the 3rd root of 121. \n" ); document.write( "It is irrational because 121 is not a perfect cube. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |