document.write( "Question 304440: What does 12C3=220 mean?\r
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document.write( "If I have 12 numbers as follows: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and I pick three numbers randomly for example 2, 6, and 9, how many possible combinations are there for these three numbers? How do I figure this?\r
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document.write( "-- Maria \n" );
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Algebra.Com's Answer #218005 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What does 12C3=220 mean? \n" ); document.write( "If I have 12 numbers as follows: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and I pick three numbers randomly for example 2, 6, and 9, how many possible combinations are there for these three numbers? How do I figure this? \n" ); document.write( "--- \n" ); document.write( "12C3 = 12!/[(12-3)!*3!] = (12*11*10)/(1*2*3) = 2*110 = 220 \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |