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Mathematics 9 Online
OpenStudy (anonymous):

A cone-shaped container sits inside a larger cone. The inner cone has a height of 3 in. and a diameter of 6 in. The outer cone has the same diameter and is 15 in. tall. The extra space in the outer cone is filled with crushed ice to keep the contents of the inner cone cool. What is the volume of crushed ice? Use 3.14 to approximate pi, and express your final answer in hundredths. in3 @StudyGurl14

OpenStudy (anonymous):

OpenStudy (studygurl14):

Find the volume of the bigger cone. find the volume of the smaller cone. subtract the volume of the smaller cone from the volume of the larger cone. Volume of cone = \(\Large\frac{r^2\pi h}{3}\) Tell me what you get

OpenStudy (anonymous):

it shows to diameters what should i do @StudyGurl14

OpenStudy (studygurl14):

Diameter is twice the radius

OpenStudy (anonymous):

yes but what is the diameter

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

The question says the diamter is 6in

OpenStudy (anonymous):

ok 84.78

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (anonymous):

am i correct

OpenStudy (anonymous):

hello?

OpenStudy (anonymous):

@EclipsedStar

OpenStudy (studygurl14):

no

OpenStudy (studygurl14):

wait, are you saying that's teh volume, or the answer?

OpenStudy (anonymous):

yes

OpenStudy (studygurl14):

yes to what? volume? or answer?

OpenStudy (anonymous):

volume

OpenStudy (studygurl14):

no for either of the cones. did you remember to divide by 3?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

28.26

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

28.27, yes

OpenStudy (studygurl14):

now, find the volume of teh bigger cone

OpenStudy (anonymous):

56.52

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (anonymous):

am i correct?

OpenStudy (studygurl14):

no

OpenStudy (anonymous):

what is it

OpenStudy (anonymous):

?

OpenStudy (studygurl14):

Try again. use 3 for the radius and 15 for the hieght

OpenStudy (anonymous):

423.9

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

remember to divide by 3....

OpenStudy (anonymous):

141.3

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

yep. now subtract the previous volume from this one

OpenStudy (anonymous):

85.1

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

\(\large 141.3-28.27\neq 85.1\)

OpenStudy (anonymous):

oh my bad

OpenStudy (anonymous):

113.03

OpenStudy (anonymous):

@StudyGurl14

OpenStudy (studygurl14):

yep :) that's teh answer

OpenStudy (anonymous):

ok one more? all i need you to do is check my answer and thant you :)

OpenStudy (studygurl14):

yep. new thread please.

OpenStudy (anonymous):

ok

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