document.write( "Question 194303This question is from textbook saxon algebra 2
\n" ); document.write( ": How many combinations of 6 volunteers can be selected from a group of 9 volunteers?
\n" ); document.write( "Is it 504?
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Algebra.Com's Answer #145805 by edjones(8007)\"\" \"About 
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nCr=n!/(n-r)!r!
\n" ); document.write( "9C6
\n" ); document.write( "=9!/(9-6)!6!
\n" ); document.write( "=9*8*7*6!/(3*2)*6!
\n" ); document.write( "=9*8*7/6
\n" ); document.write( "=84
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\n" ); document.write( "Ed
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