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Cookie_2046

  • one year ago

what is the intersection of the three sets? A=[1,3,5,77,9] B=[1,2,3,5,7] C=[1,2,5,8,9] __________________________ ANSWERS: a. [1,5] b.[1,2,5] c.[1,3,5,7] d.[1,2,3,5,7,8,9]

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  1. mathmate
    • one year ago
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    You write down a list (set) of elements which appear in ALL THREE sets A, B and C. If it is missing from any set, skip it. Then put your list between braces i.e. { and } (not [ and ]). If you want to check answers, do not diminish the importance of your answer by writing a letter. Write out (or at least copy and paste) the value of the answer.

  2. Cookie_2046
    • one year ago
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    b?

  3. mathmate
    • one year ago
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    |dw:1440195426914:dw|

  4. mathstudent55
    • one year ago
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    |dw:1440195378473:dw|

  5. mathstudent55
    • one year ago
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    Which elements are in ALL sets?

  6. mathmate
    • one year ago
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    @Cookie_2046 What did I say if you want to check your answer? :)

  7. mathstudent55
    • one year ago
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    |dw:1440195479573:dw|

  8. mathstudent55
    • one year ago
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    Only the two elements in the boxes in the figure above are present in all three sets, so the intersection of the three sets is a set containing those two elements. Which choice is a set with only those two numbers?

  9. mathstudent55
    • one year ago
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    gtg, bye

  10. Cookie_2046
    • one year ago
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    wait

  11. Cookie_2046
    • one year ago
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    whats the answer

  12. mathstudent55
    • one year ago
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    |dw:1440195621507:dw|

  13. Cookie_2046
    • one year ago
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    a?

  14. mathstudent55
    • one year ago
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    Correct!!!

  15. Cookie_2046
    • one year ago
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    OK BYE :(

  16. zzr0ck3r
    • one year ago
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    lol

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