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anonymous

  • one year ago

Rational Numbers and Expressions! Which Property is the following 15 + (k + 4) = 15 + (4 + k) Is it a... Closure property of addition? Closure property of multiplication? Commutative property of addition? Commutative property of multiplication? Associative property of addition? Associative property of multiplication? Identity property of addition? Identity property of multiplication? Inverse property of addition? Inverse property of multiplication? or a Distributive property or is the statement false? (I need help. I have 12 questions and I'm having trouble)

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  1. Mehek14
    • one year ago
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    Associative property of addition

  2. Mehek14
    • one year ago
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    because it doesn't matter where you put the parenthesis

  3. anonymous
    • one year ago
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    thanks! could you help me with some more?

  4. anonymous
    • one year ago
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    @Mehek14

  5. Mehek14
    • one year ago
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    yea sure

  6. anonymous
    • one year ago
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    15 + (4 + k) = (15 + 4) +k

  7. Mehek14
    • one year ago
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    that's associative property of addition as well

  8. anonymous
    • one year ago
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    Thanks! 15 - (4 - k) = (15 - 4) - k

  9. Mehek14
    • one year ago
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    choices?

  10. anonymous
    • one year ago
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    it's the same choices

  11. Mehek14
    • one year ago
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    i don't see anything for subtraction

  12. Mehek14
    • one year ago
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    they're all addition or multiplication

  13. anonymous
    • one year ago
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    Do you think it might be Distributive property?

  14. Mehek14
    • one year ago
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    distributive property = 5(6+3) = 30 + 15

  15. Mehek14
    • one year ago
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    so no

  16. anonymous
    • one year ago
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    Okay I'll just mark it for reveiw. Could you still help me with the others?

  17. Mehek14
    • one year ago
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    yea

  18. anonymous
    • one year ago
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    \[\left[ -6 * \left( -\frac{ 1 }{ 6 } \right) \right] n =1 * n\]

  19. Mehek14
    • one year ago
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    choices?

  20. Mehek14
    • one year ago
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    if it's true or false, it's true

  21. anonymous
    • one year ago
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    I think it might be inverse property of multiplication

  22. anonymous
    • one year ago
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    what do you think?

  23. Mehek14
    • one year ago
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    inverse property of multiplication = \(\dfrac{7}{4}*\dfrac{4}{7}=1\)

  24. anonymous
    • one year ago
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    So no?

  25. Mehek14
    • one year ago
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    probably

  26. Mehek14
    • one year ago
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    for the ones ur not sure, make a separate post and other people will try to help

  27. anonymous
    • one year ago
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    Okay. Thanks for your help!

  28. Mehek14
    • one year ago
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    yw :)

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