anonymous
  • anonymous
Help please??? Find the three arithmetic means between 7 and 21.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
what does that mean??
anonymous
  • anonymous
@petepw like what are the other three numbers in the sequence between 7 and 21
gabbyalicorn
  • gabbyalicorn
8-20 ?

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anonymous
  • anonymous
@gabbyalicorn What?
anonymous
  • anonymous
do you not have an idea of what the answer could be?
anonymous
  • anonymous
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.
anonymous
  • anonymous
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
anonymous
  • anonymous
http://www.freemathhelp.com/arithmetic-mean.html here is a website to help if you do not understand
anonymous
  • anonymous
Thank you so much <3

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