Mathematics
7 Online
OpenStudy (anonymous):
HELPPPPPPPP I'M DIEING!!! TO FINISH THIS, PLUS I GIVE MEDAL AND FAN PEEPZ!!!!!!!!!!!!!!!!!!!!!!..
11 years ago
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Nnesha (nnesha):
i prefer chocolates
11 years ago
OpenStudy (anonymous):
Chocolate?
11 years ago
Nnesha (nnesha):
do yo know the formula ??
11 years ago
OpenStudy (anonymous):
Yes i know the formula
11 years ago
OpenStudy (abhisar):
Where is the sphere? What is its radius?
11 years ago
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Nnesha (nnesha):
^^^^^^^^^^^^^^^^^^^^^^^
11 years ago
Nnesha (nnesha):
diagram ??
11 years ago
OpenStudy (anonymous):
V= 4/3 pi r^3
11 years ago
OpenStudy (anonymous):
umm hold on sorry
11 years ago
OpenStudy (anonymous):
Wait wrong question .-.
11 years ago
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OpenStudy (abhisar):
:/
11 years ago
Nnesha (nnesha):
\(\rm\color{green}{o^\wedge\_^\wedge o}\)
11 years ago
OpenStudy (abhisar):
Do you know the formula?
11 years ago
OpenStudy (anonymous):
But V = 4/3 pir^3 is the formula
11 years ago
OpenStudy (anonymous):
Yes
11 years ago
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OpenStudy (abhisar):
Formula is \(\boxed{\sf \huge \pi r^2\frac{h}{3}}\)
11 years ago
OpenStudy (anonymous):
:))
11 years ago
Nnesha (nnesha):
\(\Huge\ddot{\Large\frown}\)\(\rm\color{green}{o^\wedge\_^\wedge o}\) r you sure ??
11 years ago
OpenStudy (anonymous):
Positive
11 years ago
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OpenStudy (abhisar):
ok, the last one is easy. The radius is given 12.3 cm. Simply plug in this value in the formula for volume of sphere and find the volume.
11 years ago
OpenStudy (anonymous):
This one don't have a height it just has a radius
11 years ago
OpenStudy (anonymous):
which is 12.3
11 years ago
OpenStudy (abhisar):
Yes, 12.3 is radius.
11 years ago
OpenStudy (anonymous):
I did 12.3 times 12.3 times 12.3 and got 1860
11 years ago
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OpenStudy (abhisar):
\(\sf \huge \frac{4}{3} \times \pi \times (12.3)^3\)
11 years ago
OpenStudy (anonymous):
Well, I'm gonnna get 1860 when i times (12.3)^3 so its gonna look like....
11 years ago
OpenStudy (anonymous):
4/3 times pi times 1860... Correct?
11 years ago
OpenStudy (abhisar):
Yes.
11 years ago
OpenStudy (anonymous):
Okay i don't understand the fraction part :/ thats what i needed help on
11 years ago
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OpenStudy (anonymous):
Wants i times my pi = 3.14 by 1860 i'm lost with the fraciton o.o
11 years ago
OpenStudy (anonymous):
fraction*
11 years ago
OpenStudy (abhisar):
First multiply 4*3.14*1860 and then divide the result with 3
11 years ago
OpenStudy (anonymous):
3.14 * 1860 = 5840
11 years ago
OpenStudy (anonymous):
@Abhisar
11 years ago
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OpenStudy (abhisar):
Yes,
11 years ago
OpenStudy (anonymous):
Then i'm stuck with 4/3 times 5840
11 years ago
OpenStudy (anonymous):
How do i solve the fraction with that?
11 years ago
OpenStudy (anonymous):
@Abhisar
11 years ago
OpenStudy (abhisar):
Multiply 5840 with 4 and then divide the product with 3
11 years ago
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OpenStudy (anonymous):
23360
11 years ago
OpenStudy (anonymous):
@Abhisar <--- ya ditching me :o
11 years ago
OpenStudy (abhisar):
:O ;-;
11 years ago
OpenStudy (abhisar):
I have explained you the process, now it's upto you to perform the calculations correctly.
11 years ago
Nnesha (nnesha):
yes that is right now* like kumar said divide by 3
11 years ago
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OpenStudy (anonymous):
7786
11 years ago
OpenStudy (anonymous):
Aww the babies are so cute
11 years ago
OpenStudy (anonymous):
Anyone...
11 years ago
OpenStudy (anonymous):
There....
11 years ago
OpenStudy (anonymous):
-.- Thanx for the help
11 years ago
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OpenStudy (anonymous):
23360 divide by 3 right?
11 years ago
Nnesha (nnesha):
wait nope there is righ answer
11 years ago
OpenStudy (anonymous):
I said 23360 and you said it was right
11 years ago
Nnesha (nnesha):
what did you use for pi ?? did yo just plug that in to the calculator or did you sue 3.14
11 years ago
OpenStudy (anonymous):
Used calculator o.o
11 years ago
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Nnesha (nnesha):
yes that's why
use 3.14
11 years ago
Nnesha (nnesha):
(12.3)^3 = ???
11 years ago
OpenStudy (anonymous):
1860
11 years ago
Nnesha (nnesha):
\[\large\rm \frac{ 4 }{ 3 }(3.14)(12.3)^3\]
11 years ago
Nnesha (nnesha):
yes now multiply that by 3.14 and then by 4
11 years ago
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OpenStudy (anonymous):
5840
11 years ago
Nnesha (nnesha):
divide by 3
11 years ago
Nnesha (nnesha):
wait u did mistake somewhre
11 years ago
OpenStudy (anonymous):
Where
11 years ago
Nnesha (nnesha):
12.3^3 = is not just 1860
11 years ago
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Nnesha (nnesha):
12.3^3 = 1860.867
11 years ago
Nnesha (nnesha):
\[\frac{ 4 }{ 3 } (3.14)(1860.867)\]
now solve this ^^
11 years ago
Nnesha (nnesha):
are you there ?
11 years ago
OpenStudy (anonymous):
5843.12238
11 years ago
Nnesha (nnesha):
1860.867 times 3.14 = ???
11 years ago
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OpenStudy (anonymous):
okay
11 years ago
Nnesha (nnesha):
1860.867 times 3.14 = ???
what you get after this ??
11 years ago
Nnesha (nnesha):
5843.12238 i got this i don't how there is 4 ?
11 years ago
Nnesha (nnesha):
which calculator are us using ?
11 years ago
Nnesha (nnesha):
you *
11 years ago
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OpenStudy (anonymous):
Thats what i said up there
11 years ago
OpenStudy (anonymous):
look up there
11 years ago
OpenStudy (anonymous):
-.-
11 years ago
Nnesha (nnesha):
5840.4 this one is not same like 5843.12238
11 years ago
OpenStudy (anonymous):
I said 5843.12238 already
11 years ago
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OpenStudy (anonymous):
but i thought i was wrong cause you kept asking me the same question
11 years ago
OpenStudy (anonymous):
if you scroll up you can see that said 5843.12238
11 years ago
Nnesha (nnesha):
ohh i thought u said that is final answer :/
11 years ago
Nnesha (nnesha):
multiply that by 4
11 years ago
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OpenStudy (anonymous):
23372.48952<------------------ Aswer
11 years ago
OpenStudy (anonymous):
Answer*
11 years ago
Nnesha (nnesha):
divide by 3
11 years ago
OpenStudy (anonymous):
divide what by 6?
11 years ago
Nnesha (nnesha):
by 3
11 years ago
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Nnesha (nnesha):
the number u just got divide that by 3
11 years ago
OpenStudy (anonymous):
7790.82984
11 years ago
OpenStudy (anonymous):
C
11 years ago
OpenStudy (anonymous):
Thank you Nnesha
11 years ago
Nnesha (nnesha):
np
but listen to me
try to play with calculator
nobody gonna tell u
during final exam that
now you have to multiply by this then by this
so this question is easy like just for 5 minutes all you have to know the formula
and then ur job is to plug correct number into the calculator
and then calculator job is to give you answer
so becareful when you plug numbers into the calc.
best of luck!!! :)
11 years ago
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OpenStudy (anonymous):
:) Okay Nnesha i'll try using the calculator less. Let me make ssure i understand with it .. So, i have amy formula and my problem they give me the radius and i plug it in to r, Then when work out (?)^3 i times the answer by 3.14, and THEN i times that answer by 4 THEN i divide my answer with that answer and Done. Correct? xD
11 years ago
Nnesha (nnesha):
i didn't sayz that don't use calculator
i said make sure u r plugging number into the calc correctly
divide top part with 3
11 years ago