Mathematics
4 Online
OpenStudy (anonymous):
Find the volume of the cone shown as a decimal rounded to the nearest tenth. @Directrix
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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
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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.
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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?
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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
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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.
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OpenStudy (anonymous):
alright