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Mathematics 22 Online
OpenStudy (anonymous):

HELP PLEASE Assume that the flask shown in the diagram can be modeled as a combination of a sphere and a cylinder. Based on this assumption, what is the volume of the flask? Round the answer to two decimal places. 10.77 cubic inches 20.22 cubic inches 35.08 cubic inches 50.07 cubic inches 100.11 cubic inches

OpenStudy (anonymous):

OpenStudy (bibby):

You can add up the separate volumes. Get the volume of a cylinder with a diameter of 1 and a height of 3 plus a sphere with a diameter of 4.5

OpenStudy (anonymous):

I dont understand

OpenStudy (bibby):

separate the 2 shapes. How would you get the volume of a sphere with a diameter of 4.5? Recall that the formula for volume is \[\large \frac{4}{3} \pi r^3\]

OpenStudy (anonymous):

35.08?

OpenStudy (bibby):

the radius is half the diameter. \[r=\frac{4.5}{2} = 2.25\]

OpenStudy (bibby):

\[\large \frac{4}{3} \pi (2.25)^3\]

OpenStudy (anonymous):

10.77

OpenStudy (bibby):

I got 15.1875pi

OpenStudy (anonymous):

thats not in the choices

OpenStudy (bibby):

that's not the answer.. I'm saying you have to add up the volume of the cylinder and the sphere

OpenStudy (anonymous):

do you know the answer

OpenStudy (bibby):

I'm not going to just give it to you.

OpenStudy (anonymous):

please

OpenStudy (bibby):

Find the volume of the cylinder.|dw:1391728769332:dw|

OpenStudy (anonymous):

3

OpenStudy (bibby):

nah

OpenStudy (anonymous):

then what is it?

OpenStudy (bibby):

idk. what's the radius?

OpenStudy (anonymous):

idk?

OpenStudy (bibby):

I dunno

OpenStudy (anonymous):

really?

OpenStudy (bibby):

the radius is half the diameter. work it out

OpenStudy (anonymous):

you guys are morons

OpenStudy (anonymous):

so whats the answer

OpenStudy (anonymous):

there is no answer here and i'm still confused :c

OpenStudy (anonymous):

the answer is 10.77

OpenStudy (ahobart12160):

10.77 isn't the answer.. Not one of the choices.

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