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jen1511

  • 3 years ago

If C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and D = {numbers divisible by 2 from 1 to 10}, what is CD? {2, 4, 6, 8, 10} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} {1, 3, 5, 7, 9, 11} {2, 4, 6, 8, 10, 12}

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  1. ritez
    • 3 years ago
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    what is CD

  2. jen1511
    • 3 years ago
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    cnd

  3. JamesJ
    • 3 years ago
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    The number divisible two 2 between 2 and 10 are D = {2, 4, 6, 8, 10} Therefore \( C \cap D = \) what?

  4. jen1511
    • 3 years ago
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    I think its D.?

  5. JamesJ
    • 3 years ago
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    \( C \cap D \) means the intersection of those two sets: \( C \cap D \) is the set whose members are all members of both \( C \) and \( D \).

  6. JamesJ
    • 3 years ago
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    So, no: option d is not the right answer.

  7. JamesJ
    • 3 years ago
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    The intersection of C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } and D = {2, 4, 6, 8, 10} is .....

  8. jen1511
    • 3 years ago
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    ohhh ok i understand now. thanks alot!

  9. JamesJ
    • 3 years ago
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    btw, you should post the question in Mathematics, not Physics.

  10. jen1511
    • 3 years ago
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    woah. i dont even know how i posted it in physcics i swear.

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