Question

http://prntscr.com/b1gg0x

Answer 1

would the answer be 21? @welshfella

Answer 2

I am waiting for the screen to get the image . Its very slow.

Answer 3

ugh screenshots haven't been working

Answer 4

basically there are 7 assignments, students can choose 5, if the order they are submitted in doesnt matter, how many combinations are there

Answer 5

thats the question ^

Answer 6

oh ok
that will be number of combinations of 5 out of 7 which is the same as 2 out of 7

= 7C2 or 7*6 / 2

Answer 7

21 is correct

Answer 8

okay, thanks

Answer 9

welcome

Answer 10

what bout 3 out of 6? @welshfella

Answer 11

does the order matter?

Answer 12

6 friends want to ride a roller coaster but they only permit 3 at a time, how many combinations can they make

Answer 13

order does not matter i think

Answer 14

thats 6C3 = 6*5*4 / 3*2*1

Answer 15

20?

Answer 16

yea

Answer 17

thanks

Answer 18

ok

Answer 19

Ramla is making a mix CD. She can fit 6 songs on the CD, but has 11 favorite songs to choose from. If the order of songs is important to Ramla, how many different arrangements of 6 songs can she put on her CD?

Answer 20

order matters

Answer 21

@welshfella