KimJaFo
  • KimJaFo
An hourglass, composed of two identical cones, is 12 cm tall. The radius of each cone is 3 cm. If you want to fill the bottom half of the hourglass 2/3 full of salt, how much salt will you need? Explain the method you would use to find the amount of salt. I just need to know how to solve this, I have completely forgotten.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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KimJaFo
  • KimJaFo
@mathway
KimJaFo
  • KimJaFo
@UsukiDoll
DanJS
  • DanJS
The volume of the cone is V = (1/3) * pi * r^2 * h

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More answers

DanJS
  • DanJS
you want 2/3 of that
KimJaFo
  • KimJaFo
Thanks!
DanJS
  • DanJS
welcome
KimJaFo
  • KimJaFo
I got 1017.8, is that correct?
KimJaFo
  • KimJaFo
2/3 of that is 678.5 I think.
DanJS
  • DanJS
\[\frac{ 1 }{ 3 }*3.14 * 9 * 12 \approx 113.04\]
DanJS
  • DanJS
2/3 of that is 75.36 cm^3
KimJaFo
  • KimJaFo
oh, geez, my math was off.

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