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anonymous

  • one year ago

There are 25 people competing in a race. In how many ways can they finish in first and second place? A)49 B)400 C)600 D)625

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  1. Black_ninja123
    • one year ago
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    There is 25 choices for first There is 24 choices for second Multiply the numbers and you should get your answer

  2. anonymous
    • one year ago
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    Thanks, could you help me with this? @Black_ninja123

  3. anonymous
    • one year ago
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    A bag contains tiles with the letters C-O-M-B-I-N-A-T-I-O-N-S. Lee chooses a tile without looking and doesn’t replace it. He chooses a second tile without looking. What is the probability that he will choose the letter O both times? A)1/132 B)1.72 C)1/66 D)1/23

  4. Black_ninja123
    • one year ago
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    How many letters are there?

  5. Black_ninja123
    • one year ago
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    How many o's are there?

  6. anonymous
    • one year ago
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    2 O's, 12 letter's

  7. anonymous
    • one year ago
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    @Black_ninja123

  8. Black_ninja123
    • one year ago
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    \[\frac{ 2 }{ 12 }*\frac{ 1 }{ 11 }\]

  9. anonymous
    • one year ago
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    idk? @Black_ninja123

  10. Black_ninja123
    • one year ago
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    you don't know how to multiply fractions?

  11. anonymous
    • one year ago
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    No....*blushes embarressed*

  12. Black_ninja123
    • one year ago
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    \[\frac{ 1 }{ 6 }*\frac{ 1 }{ 11 }\] First Multiply the top numbers then multiply the bottom numbers

  13. anonymous
    • one year ago
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    1/66 is the answer?

  14. Black_ninja123
    • one year ago
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    Yes

  15. anonymous
    • one year ago
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    ok, could you help me with 1 more question?

  16. anonymous
    • one year ago
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    The sample space for a roll of two number cubes is shown in the table. What is the probability that the roll will result in two odd numbers? A) 1/9 B) ¼ C) 1/3 D) 4/9

  17. Black_ninja123
    • one year ago
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    How many sets have odd number in them?

  18. anonymous
    • one year ago
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    9?

  19. Black_ninja123
    • one year ago
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    No

  20. anonymous
    • one year ago
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    ?

  21. Black_ninja123
    • one year ago
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    12

  22. Black_ninja123
    • one year ago
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    wait one sec

  23. Black_ninja123
    • one year ago
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    How many sets are there in total?

  24. anonymous
    • one year ago
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    36?

  25. Black_ninja123
    • one year ago
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    so what is 12/36 simplified?

  26. anonymous
    • one year ago
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    1/3?

  27. Black_ninja123
    • one year ago
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    Yes

  28. anonymous
    • one year ago
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    thanks!

  29. Black_ninja123
    • one year ago
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    Your welcome :)

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