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anonymous

  • one year ago

Easy question!!! Which property justifies this statement? r(s + t) = rs + rt A. associative B. distributive C. symmetric D. transitive

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  1. Owlcoffee
    • one year ago
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    Which one would you first-guess it is?

  2. anonymous
    • one year ago
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    Haha this is my little sisters math question. She thinks A.

  3. happy_to_help
    • one year ago
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    I think its b

  4. Owlcoffee
    • one year ago
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    That's not correct; associative property is an axiom that states if we have a sum associated to another, we can associate any term: \[a+(b+c)=(a+b)+c\]

  5. anonymous
    • one year ago
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    Now shes saying B.

  6. sweetburger
    • one year ago
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    |dw:1443217939698:dw|

  7. NikkiBxox
    • one year ago
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    Distributive! Yay

  8. Owlcoffee
    • one year ago
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    That is correct; distributive property describes that if an integer is multiplying a sum of other two, then it is exactly the same as the sum of both terms multiplied independantly by the first one: \[a(b+c)=ab+ac\]

  9. anonymous
    • one year ago
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    Last question:Which situation could be solved using this expression? 4k + 2 A. Jason read four more than twice the number of books that Marty read. How many books did Marty read? B. Jason read half as many books as Marty read. How many books did Jason and Marty both read? C. Jason read two more than four times the number of books that Marty read. How many books did Jason read? D. Jason read four times as many books as Marty. Marty read two books. How many books did they read together?

  10. Owlcoffee
    • one year ago
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    a first-guess?

  11. anonymous
    • one year ago
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    She says D?

  12. Owlcoffee
    • one year ago
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    Yes, you could solve that problem using the given expression, where "a" is the books that Marty read and then, we can conclude that the expression represents the sum of all the books in total they've read.

  13. Owlcoffee
    • one year ago
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    sorry... k*

  14. anonymous
    • one year ago
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    So what is it? D or A? lol

  15. Owlcoffee
    • one year ago
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    D

  16. anonymous
    • one year ago
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    Thats what She thoguht.

  17. anonymous
    • one year ago
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    Thought*

  18. anonymous
    • one year ago
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    It was C.

  19. Owlcoffee
    • one year ago
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    I see, well, that's what happens when the variables are not specified, I'm sorry :(

  20. anonymous
    • one year ago
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    She says it's okay.

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