document.write( "Question 172475This question is from textbook Introductory Algebra
\n" ); document.write( ": Rationalize the denominator and simplify.\r
\n" ); document.write( "\n" ); document.write( "sqrt 81/40
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Algebra.Com's Answer #127460 by checkley77(12844)\"\" \"About 
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sqrt(81/40)
\n" ); document.write( "SQRT(9*9/(4*10)
\n" ); document.write( "9/2SQRT(1/10)
\n" ); document.write( "4.5SQRT(.1)
\n" ); document.write( "4.5*.316228
\n" ); document.write( "1.423 ANS.
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