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Mathematics 4 Online
OpenStudy (anonymous):

Find the volume of the cone shown as a decimal rounded to the nearest tenth. @Directrix

OpenStudy (anonymous):

Directrix (directrix):

Question for you: do we leave the answer in terms of pi or not?

OpenStudy (anonymous):

no

Directrix (directrix):

Any of these curved solids will have a pi in the formula. Something like the rectangular solid (shoe box) will not. No curves.

Directrix (directrix):

Volume of Right Circular Cone V = 1/3 * π * r² * h

Directrix (directrix):

V = 1/3 * π * 5² * 15

OpenStudy (anonymous):

approximate the pi right

Directrix (directrix):

Yes

OpenStudy (anonymous):

so 392.69 rounded would be 392.7yd^3

Directrix (directrix):

I got 392.7 cubic yards.

Directrix (directrix):

Is that the end of these?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

but i just looked and seen that i have a timed test review

Directrix (directrix):

You told me that last night.

Directrix (directrix):

Do you want to do it. Is it required that you do it?

Directrix (directrix):

Will it help you get ready for the final?

OpenStudy (anonymous):

yes its required and yes because if i didnt and waited till i got to school i would be lost and yes if YOU helped

Directrix (directrix):

I don't know that I can last for 50 more questions.

Directrix (directrix):

How much time is allowed?

OpenStudy (anonymous):

no the review is 25 and is not timed

Directrix (directrix):

This is what you posted: >> but i just looked and seen that i have a timed test review

OpenStudy (anonymous):

yea i have alot of test and i thought if i said timed test you'd know which one i meant

OpenStudy (anonymous):

i meant that as in the 50 question timed test has a 25 question review with no time limit

Directrix (directrix):

Well, we can start and see how long we can last.

Directrix (directrix):

Let's get started in a new thread.

OpenStudy (anonymous):

alright

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