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dmezzullo

  • one year ago

If A = {0, 1, 2, 3} and B = {…−3, −2, −1}, what is A ∩ B? {…−3, −2, −1, 0, 1, 2, 3, …} {…−3, −2, −1} {0, 1, 2, 3} { } Would it be A?

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  1. Jonask
    • one year ago
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    i would say last one d)

  2. Jonask
    • one year ago
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    no element exist in both sets

  3. Jonask
    • one year ago
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    so its empty set

  4. terenzreignz
    • one year ago
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    Finally. Getting tired of inequalities :D The intersection of two sets A and B, denoted A ∩ B is the set of all the elements they have in common. DO they have any elements in common? ^.^

  5. dmezzullo
    • one year ago
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    So y is it an empty set, I don't exactly get that part

  6. terenzreignz
    • one year ago
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    Because they simply have no elements in common :)

  7. dmezzullo
    • one year ago
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    So like they have no numbers that are the same? U and me both r getting tired of inequalites

  8. Jonask
    • one year ago
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    inequa;ities???

  9. terenzreignz
    • one year ago
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    Yes, PRECISELY :) They have no elements in common :) Think of it this way A ∪ B is the set of all elements in A OR B A ∩ B is the set of all elements in A AND B

  10. dmezzullo
    • one year ago
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    I've been askin inequality q's lately @Jonask

  11. dmezzullo
    • one year ago
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    Ohhh i see now tj, lemme work the next one u check

  12. terenzreignz
    • one year ago
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    You do that, I'll doodle ^.^

  13. terenzreignz
    • one year ago
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    |dw:1364557500933:dw|

  14. terenzreignz
    • one year ago
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    |dw:1364557517928:dw|

  15. terenzreignz
    • one year ago
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    |dw:1364557546804:dw|

  16. terenzreignz
    • one year ago
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    |dw:1364557595325:dw|

  17. Jonask
    • one year ago
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    lol now you only asking sets no longer inequalities,no p as long as you learning

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