calculusxy
  • calculusxy
@ospreytriple
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Hi.
calculusxy
  • calculusxy
\[\huge \frac{ \sqrt5 }{ m } = \frac{ m }{ \sqrt20 }\]
calculusxy
  • calculusxy
find the value of m

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anonymous
  • anonymous
OK. Here's the way I look at this. You can't solve for m while it's in the denominator. What mathematical operation could you perform to get rid of the m in the denominator on the left hand side.
calculusxy
  • calculusxy
can you multiply it ?
anonymous
  • anonymous
Exactly. Multiply both sides by m. Then what will it look like?
calculusxy
  • calculusxy
\[\sqrt5 = \frac{ m^2 }{ \sqrt20 } => \sqrt{100} = m^2 => m = 10\]
anonymous
  • anonymous
You're very good. Well done!
calculusxy
  • calculusxy
thank u! i need help on two other.. can u still bear with me?
anonymous
  • anonymous
Oops. Wait one second. There might be a small boo boo in your answer.
anonymous
  • anonymous
\[\sqrt{5} = \frac{ m^2 }{ \sqrt{20} }\]\[m^2 = \sqrt{100} = 10\]Solve for m.
calculusxy
  • calculusxy
oh so you word need to find the sqrt of 10?
calculusxy
  • calculusxy
*word => need
anonymous
  • anonymous
That's right.
anonymous
  • anonymous
So the answer would have to be\[m=\pm \sqrt{10}\]
anonymous
  • anonymous
OK?
calculusxy
  • calculusxy
yes thx :)
anonymous
  • anonymous
Great. I have to run along now. Good luck. It's been great working with you!

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