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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
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

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satellite73Best ResponseYou've already chosen the best response.2
oops i had slow and fast backwards.
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
i screwed up on #2 not i have to think.
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
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
 2 years ago

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

satellite73Best ResponseYou've already chosen the best response.2
first two slow 3*2 then 8*7*6*5*4*3
 2 years ago

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

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

keebler01Best ResponseYou've already chosen the best response.0
i have no clue what yall are doing please explain!
 2 years ago

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

ZarkonBest ResponseYou've already chosen the best response.1
1) 3628800 2) 1693440 3) 241920
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
ok so it was right yes? i mean what i wrote
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
oh no it was wrong. i didn't put the 2 at the end. doh
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
first two slow 3*2 then 8*7*6*5*4*3*2 so 3*2*8*7*6*5*4*3*2
 2 years ago

satellite73Best ResponseYou've already chosen the best response.2
i would like to think that was a typo
 2 years ago
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