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laughoutloud

  • one year ago

Pam is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is even}, and let B = {the sum of the number cubes is divisible by 3}. List the outcomes in A ∪ B. {2, 3, 4, 6, 8, 9, 10, 12} {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} {2, 4, 6, 8, 10, 12} {6, 12}

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  1. laughoutloud
    • one year ago
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    I think it's A but I'm not sure?

  2. jim_thompson5910
    • one year ago
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    what numbers are in this set A = {the sum of the number cubes is even}

  3. laughoutloud
    • one year ago
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    {2,4,6,8,10,12}???

  4. jim_thompson5910
    • one year ago
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    correct

  5. jim_thompson5910
    • one year ago
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    how about this set B = {the sum of the number cubes is divisible by 3}

  6. laughoutloud
    • one year ago
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    I wasn't sure on this part does it mean the sums in set A that are divisible by 3?

  7. jim_thompson5910
    • one year ago
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    no just sums of the two number cubes (aka dice)

  8. jim_thompson5910
    • one year ago
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    which sums are divisible by 3?

  9. laughoutloud
    • one year ago
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    Oh ok so {3, 6, 9, 12}??? I think

  10. jim_thompson5910
    • one year ago
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    yep

  11. jim_thompson5910
    • one year ago
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    A = {2,4,6,8,10,12} B = {3, 6, 9, 12}

  12. jim_thompson5910
    • one year ago
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    combine the two sets to form a bigger set toss out any duplicates

  13. laughoutloud
    • one year ago
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    ok so I would just put them together? and the would be answer A right?

  14. jim_thompson5910
    • one year ago
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    yes combining them and removing duplicates gives {2, 3, 4, 6, 8, 9, 10, 12}

  15. laughoutloud
    • one year ago
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    THANK YOU SO MUCH!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  16. jim_thompson5910
    • one year ago
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    you're welcome

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