document.write( "Question 754605: How do I figure out how many combinations I can make from a group of numbers? \n" ); document.write( "
Algebra.Com's Answer #459198 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How do I figure out how many combinations I can make from a group of numbers? \n" ); document.write( "--- \n" ); document.write( "Let \"n\" be the number of distinct numbers. \n" ); document.write( "--- \n" ); document.write( "Then the number of combinations of size r is nCr = n!/[(n-r)!*r!] \n" ); document.write( "---- \n" ); document.write( "Examples: \n" ); document.write( "8C3 = (8*7*6)/(1*2*3) = 56 \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " |