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Mathematics 7 Online
OpenStudy (logan13):

A non-scale model of the earth has a diameter of 18 in. Within an outer clay layer, there is a core made of a ball with a diameter of 3 in. What is the volume of the clay? Use 3.14 to approximate pi and express your answer in hundredths. in3

OpenStudy (dani_rose):

\[v=\frac{ 4 }{ 3 }\pi r^3\]

OpenStudy (dani_rose):

Radius is 1/2 of the diameter

OpenStudy (dani_rose):

\[v=\frac{ 4 }{ 3 }\pi9^3\]

OpenStudy (logan13):

wich is

OpenStudy (dani_rose):

\[v=\frac{ 4 }{ 3 }\pi1.5^3\]

OpenStudy (dani_rose):

Use your brain kid

OpenStudy (dani_rose):

First one is V≈3053.63

OpenStudy (dani_rose):

Second one is V≈14.14

OpenStudy (dani_rose):

Now you do the rest

OpenStudy (logan13):

so that and that multiply

OpenStudy (dani_rose):

You add

OpenStudy (logan13):

3067.77

OpenStudy (dani_rose):

i guess that's your answer

OpenStudy (dani_rose):

@deadpoolroxz @deadpoolroxz

OpenStudy (dani_rose):

@Daniee_Bruhh

OpenStudy (daniee_bruhh):

Hold on lol

OpenStudy (daniee_bruhh):

Okay so the first one = 3052.08 And the second circle thing = 14.13 So we subtract that and get 3037.95 That's your answer.

OpenStudy (daniee_bruhh):

@logan13

OpenStudy (daniee_bruhh):

^^^^^^^^^^^^

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