Question

What is the value of 8C5?

A.
40

B.
56

C.
960

D.
6720

Answer 1

i will fan and medal

Answer 2

\[\huge\rm \frac{ n! }{ r!(n-r)! }\] formula for combination
n_C_r
n=8
r=5

Answer 3

huh

Answer 4

substitute n for 8
and r for 5

Answer 5

huh

Answer 6

just tell me the answer

Answer 7

use calculator replace variables with their values that's it!

Answer 8

im not good at it help me

Answer 9

[Math Processing Error]\[\huge\rm \frac{ 8! }{ 5!(8-5)! }\] formula for combination
n_C_r
n=8
r=5
can you solve now ?

Answer 10

c

Answer 11

no..

Answer 12

a

Answer 13

nice try
now stop guessing :)

Answer 14

CAN you use a calculator ??

Answer 15

i wasnt guessing those are what i got

Answer 16

how did you get A and C show your work then.

Answer 17

is it b

Answer 18

or just do it b hands
solve the parentheses 8-5 = 3!

\[\huge\rm \frac{ 8! }{ 5!(8-5)! }\] formula for combination
n_C_r
n=8
r=5
\[\frac{ 8! }{ 5!(3!) }\]
8!= 8 times 7 times 6 times 5 times 4 times 3 times 2 times 1
subtract one untill u get one

Answer 19

or 8!= 8 times 7 times 6 times 5! <--now you can divide 5! \[\huge\rm \frac{ 8 \times 7 \times 6 \times\cancel{ 5!} }{\cancel{ 5!} 3! }\]
now 3!= ??

Answer 20

d

Answer 21

how ?

Answer 22

i dont understand this

Answer 23

do you want ot understand or not ?
or just need an answer ?

Answer 24

i need to get finished

Answer 25

http://www.wolframalpha.com/ then use calcualtor.

Answer 26

calculator*

Answer 27

i did it wont work

Answer 28

take a screenshot how did you type that into the calc?
did you put the parentheses < very important!

Answer 29

just f*ck!ng tell me

Answer 30

1) tell me if you want to understand combination
2nd) how did you put that into the calc ??
patience
watch your language plz
at least you can type into the calculator.
thanks.