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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

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  1. satellite73 Group Title
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    any order 10!

    • 2 years ago
  2. satellite73 Group Title
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    oops i had slow and fast backwards.

    • 2 years ago
  3. keebler01 Group Title
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    huh!

    • 2 years ago
  4. satellite73 Group Title
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    i screwed up on #2 not i have to think.

    • 2 years ago
  5. satellite73 Group Title
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    zarkon?

    • 2 years ago
  6. satellite73 Group Title
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    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
  7. xChessMachinex Group Title
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    How can the first song be both fast and slow?

    • 2 years ago
  8. satellite73 Group Title
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    first two slow 3*2 then 8*7*6*5*4*3

    • 2 years ago
  9. Zarkon Group Title
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    is there a reason you are dropping the 2?

    • 2 years ago
  10. Zarkon Group Title
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    \[10!\] \[_7P_2\cdot 8!\] \[_3P_2\cdot 8!\]

    • 2 years ago
  11. keebler01 Group Title
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    i have no clue what yall are doing please explain!

    • 2 years ago
  12. Zarkon Group Title
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    \[_7P_2=7\times 6\] \[_3P_2=3\times 2\]

    • 2 years ago
  13. Zarkon Group Title
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    1) 3628800 2) 1693440 3) 241920

    • 2 years ago
  14. satellite73 Group Title
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    ok so it was right yes? i mean what i wrote

    • 2 years ago
  15. satellite73 Group Title
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    oh no it was wrong. i didn't put the 2 at the end. doh

    • 2 years ago
  16. satellite73 Group Title
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    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
  17. satellite73 Group Title
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    i would like to think that was a typo

    • 2 years ago
  18. Zarkon Group Title
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    I would too

    • 2 years ago
  19. satellite73 Group Title
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    lol!

    • 2 years ago
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