anonymous
  • anonymous
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?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
NO MORE CHEATING
anonymous
  • anonymous
I didn't cheat I been getting them
anonymous
  • anonymous
define winning, getting first place only ?

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anonymous
  • anonymous
idk
2bornot2b
  • 2bornot2b
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
anonymous
  • anonymous
r u back
anonymous
  • anonymous
To win the Trifecta, you must pick the three horses finishing first, second and third in exact order
anonymous
  • anonymous
http://www.santaanita.com/content/how-wager
anonymous
  • anonymous
ok
anonymous
  • anonymous
now what
anonymous
  • anonymous
so you want to pick 3 horses out of 10 , where order counts
anonymous
  • anonymous
the order will determine the first, second and third in the race
anonymous
  • anonymous
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
anonymous
  • anonymous
ok
anonymous
  • anonymous
so 30?
anonymous
  • anonymous
0r 3.333333
anonymous
  • anonymous
how did you get 30?
anonymous
  • anonymous
by times it
anonymous
  • anonymous
10 P 3 is 10 *9 * 8
anonymous
  • anonymous
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
anonymous
  • anonymous
ohh
anonymous
  • anonymous
so 10 * 9 * 8
anonymous
  • anonymous
720
anonymous
  • anonymous
yes
anonymous
  • anonymous
so you would have to buy A LOT of tickets to win, i wonder if this is feasible to make money
anonymous
  • anonymous
whats the difference with c
anonymous
  • anonymous
c?
anonymous
  • anonymous
like my new one
anonymous
  • anonymous
would it be the same as mustiplying
anonymous
  • anonymous
like 12C2
anonymous
  • anonymous
you have a new one?

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