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anonymous

  • one year ago

Maria rewrites a fraction less than 1 as a decimal. The numerator is a whole number greater than 0. For which denominator will the fraction always convert to a repeating decimal? A. 15 B. 6 C. 11 D. 18

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  1. anonymous
    • one year ago
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    sorry i was on a different question for a second

  2. welshfella
    • one year ago
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    well it cant be 6 because if say the denominator was 3 that would be 0.5 as a decimal which is non-repeating.

  3. anonymous
    • one year ago
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    ok i can see how that works...

  4. welshfella
    • one year ago
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    also 3/15 would equal 0.2 so its not 15

  5. anonymous
    • one year ago
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    is it 18?

  6. welshfella
    • one year ago
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    that leaves 2 so what do you think it might be/

  7. anonymous
    • one year ago
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    d?

  8. welshfella
    • one year ago
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    try various numerators with 18

  9. welshfella
    • one year ago
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    6/18 = 0.333.... that is recurring try some more

  10. anonymous
    • one year ago
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    so does that mean its right? or not?

  11. anonymous
    • one year ago
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    sorry if i seem rude...im kinda in a hurry im going to the store soon and im not done with hw yet

  12. welshfella
    • one year ago
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    it might be right - but can we think of another number over 18 which is not repeating decimal If so then its not 18

  13. welshfella
    • one year ago
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    what about 9/18 - what is that as a decimal

  14. anonymous
    • one year ago
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    0.5

  15. welshfella
    • one year ago
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    right so not 18

  16. anonymous
    • one year ago
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    so its 11?

  17. welshfella
    • one year ago
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    theres only 1 left

  18. welshfella
    • one year ago
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    yea

  19. anonymous
    • one year ago
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    ok thanks

  20. welshfella
    • one year ago
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    yw

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