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Ondinana

  • one year ago

Can someone help me? No direct answers please!! What is the union of the two sets A={2,3,6,11,16} and B={6,11}? a.) {2,3,6,11,16} b.) {2,3,16} c.) {6,11} d.) {16} (Also I have no idea what any of this is or means.)

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  1. welshfella
    • one year ago
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    the union consists of all the elements in sets A and B ( with no duplicates)

  2. Ondinana
    • one year ago
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    By elements do you mean the numbers in a set q.q

  3. welshfella
    • one year ago
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    yes

  4. Ondinana
    • one year ago
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    So if it's "all" elements, it's all the numbers in both sets combined?

  5. welshfella
    • one year ago
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    an example would be union of A {1,2,3} and B{1,4,5} = {1,2,3,4,5}

  6. welshfella
    • one year ago
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    note that I only include 1 once.

  7. Ondinana
    • one year ago
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    OH okay. Cool. So then it would be 'a', because it contains all the elements and doesn't repeat any?

  8. welshfella
    • one year ago
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    correct

  9. Ondinana
    • one year ago
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    Thank you!!

  10. welshfella
    • one year ago
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    its usuually written A U B

  11. welshfella
    • one year ago
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    U = union yw

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