anonymous
  • anonymous
what is the geometric mean of 3 and 7?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
To find the mean of something, you add the terms and then divide by the amount of them. So, they equal 10 and there are two of them. 10/2 = 5. The mean should be 5.
anonymous
  • anonymous
Square root of product
anonymous
  • anonymous
I thought I multiply the two and find the square root?

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anonymous
  • anonymous
I repeat Square root of product
anonymous
  • anonymous
Don't listen to me... O_O I may very well be wrong.
anonymous
  • anonymous
so I should square root 21?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
but that just gets a weird number
anonymous
  • anonymous
If it was 3 numbers, then cube root of 3 multiplied together....
anonymous
  • anonymous
ah i see
anonymous
  • anonymous
It's just a different kind of average....
anonymous
  • anonymous
So would I do something like 2*square root of the product?
anonymous
  • anonymous
Nope, just sqrt 21, that's the GM
anonymous
  • anonymous
so I just leave it at square root 21?
anonymous
  • anonymous
Yup
anonymous
  • anonymous
why's that?
anonymous
  • anonymous
What do you mean?
anonymous
  • anonymous
why do i leave it at \[\sqrt{21}\] ?
anonymous
  • anonymous
Is there something wrong with sqrt 21 ?
anonymous
  • anonymous
don't I have to actually sqaure root it and make it X *\[\sqrt{X}\]
anonymous
  • anonymous
or something like that?
anonymous
  • anonymous
I don't understand, the square root of 21 is roughly 4.5825, unless you are asked to give a decimal approximation, just leave it as sqrt 21
anonymous
  • anonymous
oh ok thanks
anonymous
  • anonymous
ur welcome

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