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anonymous

  • 5 years ago

At most racetracks consists a selection of 1st 2nd or 3rd finishers in a proper order. If they are 10 entries in the race, how many tickets must you purchase to win?

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  1. anonymous
    • 5 years ago
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    NO MORE CHEATING

  2. anonymous
    • 5 years ago
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    I didn't cheat I been getting them

  3. anonymous
    • 5 years ago
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    define winning, getting first place only ?

  4. anonymous
    • 5 years ago
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    idk

  5. 2bornot2b
    • 5 years ago
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    Please provide some help on my question after you are done with this one. My question is posted at http://openstudy.com/groups/mathematics#/updates/4db9038eb0ab8b0ba0277b8b

  6. anonymous
    • 5 years ago
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    r u back

  7. anonymous
    • 5 years ago
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    To win the Trifecta, you must pick the three horses finishing first, second and third in exact order

  8. anonymous
    • 5 years ago
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    http://www.santaanita.com/content/how-wager

  9. anonymous
    • 5 years ago
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    ok

  10. anonymous
    • 5 years ago
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    now what

  11. anonymous
    • 5 years ago
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    so you want to pick 3 horses out of 10 , where order counts

  12. anonymous
    • 5 years ago
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    the order will determine the first, second and third in the race

  13. anonymous
    • 5 years ago
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    we know that the number of ways to choose 3 things out of ten where order counts is 10 P 3 , where P is permutations

  14. anonymous
    • 5 years ago
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    ok

  15. anonymous
    • 5 years ago
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    so 30?

  16. anonymous
    • 5 years ago
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    0r 3.333333

  17. anonymous
    • 5 years ago
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    how did you get 30?

  18. anonymous
    • 5 years ago
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    by times it

  19. anonymous
    • 5 years ago
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    10 P 3 is 10 *9 * 8

  20. anonymous
    • 5 years ago
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    another way to look at this, there are 10 ways for a first , then once you pick a first winner, there are 9 horses left for a second place, then once you pick a second place there are 8 horses left for a third place

  21. anonymous
    • 5 years ago
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    ohh

  22. anonymous
    • 5 years ago
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    so 10 * 9 * 8

  23. anonymous
    • 5 years ago
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    720

  24. anonymous
    • 5 years ago
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    yes

  25. anonymous
    • 5 years ago
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    so you would have to buy A LOT of tickets to win, i wonder if this is feasible to make money

  26. anonymous
    • 5 years ago
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    whats the difference with c

  27. anonymous
    • 5 years ago
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    c?

  28. anonymous
    • 5 years ago
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    like my new one

  29. anonymous
    • 5 years ago
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    would it be the same as mustiplying

  30. anonymous
    • 5 years ago
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    like 12C2

  31. anonymous
    • 5 years ago
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    you have a new one?

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