HELP please explain?

0 ⤊

can u please explaiin how to do problems like

c(7,3)

can u work out the problem cuz i forgot how to do it and i have a whole problem of these to

2007-10-30 06:25:35 · 3 answers · asked by cutejaz18 1 in Science & Mathematics ➔ Mathematics

Is this combinations?

C(7,3) = 7!/[3!(7-3)!] = 7!/[3!4!] = 7*6*5/(3*2*1) = 35

2007-10-30 06:30:01 · answer #1 · answered by fcas80 7 · 0⤊ 0⤋

7C3 = 7!/[(7-3)!3!]
= 7!/(4!*3!) = 7*6*5/(3*2)= 35

2007-10-30 13:32:46 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋

C(z,n) = n! / [n! * (z-n)!]

2007-10-30 13:39:52 · answer #3 · answered by Hiker 4 · 0⤊ 0⤋