Science & Mathematics - 31 January 2007

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Need a math whiz-FAST!?

I have my exam in 20minutes and I still don't know how to multiply two matrices with different dimensions, please help!

2007-01-31 00:02:08 · 3 answers · asked by Anonymous in Mathematics

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radius of curvature of a beam ? info required?

I need to define what is meant by the radius of curvature of a beam. IE a cantilever beam when a load is applied & the beam deflects. please give websites or any other info that may be useful.

2007-01-31 00:01:53 · 2 answers · asked by Anonymous in Engineering

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total number of ways that change one US$ in coins?

1,5,10,25,50 cent

2007-01-31 00:01:02 · 3 answers · asked by Ali 5000 5 in Mathematics

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