I took the formula for the volume of a sphere and put it = that value they gave us(200_pie) I think it was and then I just solved for r

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Reply 872

zzaacc

I got r=1.37 but lots of the people in my school said its 2.5 :/

Reply 873

oa786gunneruk

What did u guys get for the question that asked for students taking only one language and oh functions i got10/3x for one of them

(edited 11 years ago)

Reply 874

JKStudies

Original post by farhatj

I took the formula for the volume of a sphere and put it = that value they gave us(200_pie) I think it was and then I just solved for r

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total volume minus the hollow value they gave us would give you area of both sphere though?

Reply 875

farhatj

Original post by JKStudies

total volume minus the hollow value they gave us would give you area of both sphere though?

U put them equals to each other and then solve to get r

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Reply 876

farhatj

Original post by oa786gunneruk

What did u guys get for the question that asked for students taking only one language and oh functions i got10/3x for one of them

I think I got 8 for the students and I got the same for the functions

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Reply 877

oa786gunneruk

Original post by farhatj

I think I got 8 for the students and I got the same for the functions

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Yup i some how came up with 20 for the lang. one dont ask me how lol lost stupid easy marks there

Reply 878

JKStudies

Original post by farhatj

U put them equals to each other and then solve to get r

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Cylinder volume - the value they gave us equaled volume of both spheres .. Thats what i done and then solved for r

Reply 879

_ashT

How did everyone do that question were we had to find 'DC' of the triangle? I'm usually pretty good with angles and shapes but I just couldn't get my head round it! Lost an easy 3 marks. *sigh*

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