# SOLUTION: Fond 15c7by hand show work

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 Click here to see ALL problems on test Question 549841: Fond 15c7by hand show workFound 3 solutions by jim_thompson5910, mathie123, Alan3354:Answer by jim_thompson5910(28504)   (Show Source): You can put this solution on YOUR website!(n!)/(r!(n-r)!) (15!)/(7!*(15-7)!) (15!)/(7!*8!) (15*14*13*12*11*10*9*8!)/(7!*8!) (15*14*13*12*11*10*9)/(7!) (15*14*13*12*11*10*9)/(7*6*5*4*3*2*1) (32432400)/(5040) 6435 So 15 C 7 = 6435 Answer by mathie123(224)   (Show Source): You can put this solution on YOUR website! by definition Now does anything divide out from the top and bottom?(numerator and denominator) And now is there any common factors we can divide out? (for example 14=2*7 and we have a 7 in the denominator so we can cancel a 7 from both those numbers) ______________________________________________________________________ Hopefully this helps! Romans 5:8 Answer by Alan3354(30982)   (Show Source): You can put this solution on YOUR website!Leviticus 20:9 too.