Simplyxnaii
Simplyxnaii Simplyxnaii
  • 26-02-2021
  • Mathematics
contestada

My brain isn't functioning tonight help, please

My brain isnt functioning tonight help please class=

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amiyahwallace05
amiyahwallace05 amiyahwallace05
  • 26-02-2021
Answers: 68/3(pi) cm^3 and 71 cm2

The formula for volume of a cone is pi(r^2)h/3

In terms of pi:
(2^2)9/3 = (4)3 = 12 cm^2

The formula for volume of a hemisphere is 4/3(pi)r^3

In terms is pi:
4/3(2^3) = 4/3(8) = 10.7 cm^2

total volume of item:
12 + 10.7 = 22.7 = 68/3(pi) cm^3

simplified:
68/3(pi) = 71 cm^3
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