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Math Problem; 1st to solve it........wins! :D
Topic Started: Jul 22 2004, 09:25 PM (412 Views)
metzger_123
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I have a new math problem for you guys to figure out. It might not be that hard though. The 1st person to get it is the winner. I dont actually have a prize, but they can be the smartest. Anyway here it is:

Two sperical ball bearings one with a radius of 14.2 mm and the other with a radius of 8.6mm are melted down and reformed into a single, larger ball bearing. Calculate the radius of the new ball bearing correct to 2 decimal places.

EDIT: I changed the problem a little. :D
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No
South Park Rules!
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21 mm, roughly?
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metzger_123
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nope thats not the answer! :D
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Stefan-ZNR
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17.89 mm?
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metzger_123
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bzzz......incorrect. :P
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Curry
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Nvrmind, I got the volume...
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stamps-ZNR
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me and my dad just worked it out and go 17.89
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FallenAngel
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You people have too much time on your hands...:lol:
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metzger_123
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you guys are still wrong. Sorry, although ypu are quite close, its still incorrect :P
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Valerus
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Hitman.
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21.3
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FallenAngel
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9!!!! :lol:

I swear if I win...
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metzger_123
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nope.
Hint: Make a formula to work it out. If you already know what you have to do to find out the radius of a sphere, then find one to reverse it.
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Crimson
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20.08 is my guess...

~ Crimson
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metzger_123
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heres one with two variables. Try this one instead:

Two sperical ball bearings one with a radius of 14.2 mm and the other with a radius of 8.6mm are melted down and reformed into a single, larger ball bearing. Calculate the radius of the new ball bearing correct to 2 decimal places.
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Crimson
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if i wasnt correct before... i cant get that one... lol

~ Crimson
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