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anonymous

  • one year ago

help!

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  1. chosenmatt
    • one year ago
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    hiya what;s the question?

  2. anonymous
    • one year ago
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    \[-4 \frac{ 1 }{ 5 }- ( -13 \frac{ 1 }{ 10} )\]

  3. anonymous
    • one year ago
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    i got \[-17\frac{ 3 }{ 10 }\]

  4. anonymous
    • one year ago
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    @chosenmatt

  5. anonymous
    • one year ago
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    @phi

  6. anonymous
    • one year ago
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    @phi

  7. anonymous
    • one year ago
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    @wio

  8. chosenmatt
    • one year ago
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    i think thaz right good job =)

  9. anonymous
    • one year ago
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    @mathmath333 @wio @phi @freckles

  10. anonymous
    • one year ago
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    @triciaal

  11. anonymous
    • one year ago
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    Negative subtraction becomes positive addition

  12. anonymous
    • one year ago
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    You can add the whole parts and fraction parts separately.

  13. anonymous
    • one year ago
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    so its 17 3/10

  14. anonymous
    • one year ago
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    You have \(-4+13\) and \(-\frac 15 + \frac 1{10}\)

  15. anonymous
    • one year ago
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    right

  16. anonymous
    • one year ago
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    So you have a whole part of \(9\) and a frational part of \(-\frac 1{10}\).

  17. anonymous
    • one year ago
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    You can take \(1\) from the \(9\) to make the fraction part positive. This gives you \(8\) and \(1-\frac 1{10} = \frac9{10}\).

  18. anonymous
    • one year ago
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    so the answer would be \[8\frac{ 9 }{ 10 }\]

  19. anonymous
    • one year ago
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    Yes

  20. anonymous
    • one year ago
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    Use absolute value to express the distance between −13 and 17 on the number line. |−13 − 17| = −30 |−13 − 17| = 30 |−13 − 17| = −4 |−13 − 17| = 4

  21. anonymous
    • one year ago
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    Alternatively, you can convert them to fractions first, then convert back when finished.

  22. anonymous
    • one year ago
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    i got b

  23. anonymous
    • one year ago
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    @wio

  24. anonymous
    • one year ago
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    b is right

  25. anonymous
    • one year ago
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    ok thanks :)

  26. anonymous
    • one year ago
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  27. anonymous
    • one year ago
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    @welshfella

  28. anonymous
    • one year ago
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    b?

  29. welshfella
    • one year ago
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    yes

  30. welshfella
    • one year ago
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    b is correct

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spraguer (Moderator)
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