Monday

September 22, 2014

September 22, 2014

Posted by **Anonymous** on Wednesday, April 17, 2013 at 8:17am.

6,840

3,420

1,140

2,280

15. You and 3 friends go to a concert. In how many different ways can you sit in the assigned seats? (1 point)

a.6 ways

b.12 ways

c.24 ways

d.10 ways

16. You own 5 pairs of jeans and want to take 2 of them on vacation. In how many ways can you choose 2 pairs of jeans? (1 point)

a.10 ways

b.15 ways

c.4 ways

d.20 ways

- Math -
**Anonymous**, Wednesday, April 17, 2013 at 8:25ami think the answers are

b

c

d

- Math -
**Reiny**, Wednesday, April 17, 2013 at 8:37am1st one:

choose 3 from 20

= C(20,3) = 1140

15.

Assigned seats ---> order matters, so permution of 4

= 4x3x2x1 = 24

(you were right)

16.

choose 2 from 5

= C(5,2) = 10

(the order you select your jeans does not matter)

- Math -
**Vhahangwele**, Monday, April 29, 2013 at 1:55pmMy answer is A

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