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anonymous

  • one year ago

Help please??? Find the three arithmetic means between 7 and 21.

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  1. anonymous
    • one year ago
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    what does that mean??

  2. anonymous
    • one year ago
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    @petepw like what are the other three numbers in the sequence between 7 and 21

  3. gabbyalicorn
    • one year ago
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    8-20 ?

  4. anonymous
    • one year ago
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    @gabbyalicorn What?

  5. anonymous
    • one year ago
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    do you not have an idea of what the answer could be?

  6. anonymous
    • one year ago
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    no not really like I'm trying to finish up my school work really quickly because its the end of the year and I still have lots of other stuff to do and like this part was confusing to me.

  7. anonymous
    • one year ago
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    The arithmetic mean of 7,21 (7 + 21)/2 28/2 14 Arithmetic mean of 7 and 14 (7 + 14)/2 21/2 10.5 Arithmetic mean of 14 and 21. (21 + 14)/2 35/2 17.5 So the three arithmetic means are 10.5,14 and 17.5

  8. anonymous
    • one year ago
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    http://www.freemathhelp.com/arithmetic-mean.html here is a website to help if you do not understand

  9. anonymous
    • one year ago
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    Thank you so much <3

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