A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
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.
anonymous
 4 years ago
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.

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oops i had slow and fast backwards.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i screwed up on #2 not i have to think.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.07 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

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0How can the first song be both fast and slow?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0first two slow 3*2 then 8*7*6*5*4*3

Zarkon
 4 years ago
Best ResponseYou've already chosen the best response.1is there a reason you are dropping the 2?

Zarkon
 4 years ago
Best ResponseYou've already chosen the best response.1\[10!\] \[_7P_2\cdot 8!\] \[_3P_2\cdot 8!\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i have no clue what yall are doing please explain!

Zarkon
 4 years ago
Best ResponseYou've already chosen the best response.1\[_7P_2=7\times 6\] \[_3P_2=3\times 2\]

Zarkon
 4 years ago
Best ResponseYou've already chosen the best response.11) 3628800 2) 1693440 3) 241920

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ok so it was right yes? i mean what i wrote

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh no it was wrong. i didn't put the 2 at the end. doh

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0first two slow 3*2 then 8*7*6*5*4*3*2 so 3*2*8*7*6*5*4*3*2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i would like to think that was a typo
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.