anonymous
  • anonymous
A ball bearing is shaped like a sphere and has a diameter of 2.5 cm. What is the volume contained inside the ball bearing? Use 3.14 for pi. Round your answer to the nearest hundredth.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anyone
anonymous
  • anonymous
Use volume formula for sphere (4/3) × pi × radius^3
anonymous
  • anonymous
Divide the diameter by 2 to get the radius

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More answers

anonymous
  • anonymous
\[V = \frac{ 4 }{ 3 } \pi r^3\] Use 3.14 for pi and r is 1/2 of the diameter.
anonymous
  • anonymous
will that get me to my answer?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
okay
anonymous
  • anonymous
do you know what i should get?
anonymous
  • anonymous
@izuru
anonymous
  • anonymous
What did you get?
anonymous
  • anonymous
hold on....i dont understand
anonymous
  • anonymous
What is the radius?
triciaal
  • triciaal
|dw:1438817283240:dw|
anonymous
  • anonymous
As explained earlier, radius is 1/2 of the diameter. So what would it be?
triciaal
  • triciaal
to get to the nearest hundredth means to 2 decimal places calculate to 3 places. if the 3rd is 5 or more add 1 to the 2nd place. if the 3rd place is less than 5 drop it
anonymous
  • anonymous
Thanks, @triciaal . I think we've got it handled.
anonymous
  • anonymous
okay so...
anonymous
  • anonymous
What are you having difficulty with?
anonymous
  • anonymous
the answer
anonymous
  • anonymous
Well, I won't give you the answer, but I'll help you get it for yourself. Back to my earlier question. What did you get for the radius?
anonymous
  • anonymous
Recall that the radius is 1/2 of the diameter and the diameter is given as 2.5 cm. So, what is 1/2 of 2.5 cm?
anonymous
  • anonymous
hold on
anonymous
  • anonymous
0.48
anonymous
  • anonymous
Nope. Divide 2.5 by 2. What do you get?
triciaal
  • triciaal
@ospreytriple do you need a medal?
anonymous
  • anonymous
1.25
anonymous
  • anonymous
Not in it for the medals @triciaal
anonymous
  • anonymous
righ
anonymous
  • anonymous
t
anonymous
  • anonymous
That's correct. So r = 1.25 cm. Now the volume is calculated using\[V = \frac{ 4 }{ 3 } \times 3.14 \times \left( 1.25 \right)^3\]Are you able to do this calculation?
anonymous
  • anonymous
Yes? No? Hello?
anonymous
  • anonymous
yes
anonymous
  • anonymous
Great. What's your answer?
anonymous
  • anonymous
hold on
anonymous
  • anonymous
what did you get
anonymous
  • anonymous
Won't tell. If you just want someone to give you the answer, I'm the wrong guy. The problem is all done except for the final calculation, which you said you could do. So, what do you get?
anonymous
  • anonymous
4.082
anonymous
  • anonymous
No. Try again.
anonymous
  • anonymous
Seems you're not interested in doing the work for yourself, and there are others here that would like some help. So, I'm out. Good luck. Nice working with you.
anonymous
  • anonymous
15.3075
anonymous
  • anonymous
Very close. But not quite.
anonymous
  • anonymous
7.97265625
anonymous
  • anonymous
You have a calculator with you?
anonymous
  • anonymous
yes
anonymous
  • anonymous
OK. Take it step by step. First, calculate 4/3. Divide 4 by 3. What do you get?
anonymous
  • anonymous
Sorry to sound impatient, but what is taking so long?
anonymous
  • anonymous
Goodbye.

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