Question

evaluate 15 C 4 and 15 p 4

Answer 1

do u understand it

Answer 2

No.

Answer 3

What's C and p?

Answer 4

Its part of the formula

Answer 5

they are combinations and permuatations

Answer 6

nCr = n! / (n-r)!r!

Answer 7

nPr = n! / (n-r)!

Answer 8

I see. Never seen it before!!

Answer 9

there are buttons on calculators for it

Answer 10

15C4 = 1365

15P4 = 32760

Answer 11

conclusion , there are alot more arrangements if you consider order !

Answer 12

so then u devide them

Answer 13

its combinatorics , a bit of a painful topic, a bit tricky sometimes

Answer 14

what u do with those 2 now?

Answer 15

what do you mean "what do you do with them now" , you asked the question :|

Answer 16

yeah but thats not the answer

Answer 17

its only suppose to be one answer because ur evaluation

Answer 18

:|

Answer 19

so you meant 15C4 + 15P4 :|

Answer 20

i said and

Answer 21

yeh :|

Answer 22

would it be 24

Answer 23

you could possibly be referring to the multiplication of them , but thats really badly worded

Answer 24

and is add " of" is mutiplication

Answer 25

that was right can u help me with the one I just posted up sorry

Answer 26

Its the same stuff just diff question