## keebler01 Group Title Show all work. A disc jockey has 10 songs to play. Seven are slow songs, and three are fast songs. Each song is to be played only once. In how many ways can the disc jockey play the 10 songs if The songs can be played in any order. The first song must be a slow song and the last song must be a slow song. The first two songs must be fast songs. 2 years ago 2 years ago

1. satellite73 Group Title

any order 10!

2. satellite73 Group Title

oops i had slow and fast backwards.

3. keebler01 Group Title

huh!

4. satellite73 Group Title

i screwed up on #2 not i have to think.

5. satellite73 Group Title

zarkon?

6. satellite73 Group Title

7 for the first, 6 for the last, and 8*7*6*5*4*3 for the middle so i think it is 7*6/8*7*6*5*4*3

7. xChessMachinex Group Title

How can the first song be both fast and slow?

8. satellite73 Group Title

first two slow 3*2 then 8*7*6*5*4*3

9. Zarkon Group Title

is there a reason you are dropping the 2?

10. Zarkon Group Title

$10!$ $_7P_2\cdot 8!$ $_3P_2\cdot 8!$

11. keebler01 Group Title

i have no clue what yall are doing please explain!

12. Zarkon Group Title

$_7P_2=7\times 6$ $_3P_2=3\times 2$

13. Zarkon Group Title

1) 3628800 2) 1693440 3) 241920

14. satellite73 Group Title

ok so it was right yes? i mean what i wrote

15. satellite73 Group Title

oh no it was wrong. i didn't put the 2 at the end. doh

16. satellite73 Group Title

first two slow 3*2 then 8*7*6*5*4*3*2 so 3*2*8*7*6*5*4*3*2

17. satellite73 Group Title

i would like to think that was a typo

18. Zarkon Group Title

I would too

19. satellite73 Group Title

lol!