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  #1  
Old 02-17-2008
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Default Homework Help! LOL

Hey guys, I'm back in school starting my masters and I have to make up a basic physics class and I suck in science and math! LOL

I have an equation I can't figure out even though I have all the data. So if anyone is experienced in this area I need help....NOW! It's due by midnight!

It's the equation for linear expansion.

3.465=3.375{1+a(92.2-21.11)} and a has unit 1/degrees C

This is greek to me!!!!!!!!! Please help!
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Old 02-17-2008
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I majored in English so can I write you a sick note? Sorry it means nothing to me
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Old 02-17-2008
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So what does "a" stand for?

Not that I'd be much help LOL
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Old 02-17-2008
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I 'think' a stands for the linear expansion... that's what the equation needs to be solved for! I don't get it either!!!!
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Old 02-17-2008
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Oh okay.. so what's the big deal? Why don't you just solve for "a"?
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Old 02-17-2008
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Please do that!!! That's the whole point! I don't know HOW! :D
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Old 02-17-2008
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Solving for "a" on a calculator I get

3.7511 e-4

I'm not sure what kind of number "a" is supposed to be, though. Did you write the problem exactly as it appears in the book?
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Old 02-17-2008
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koalawash....I sent you a PM BEGGING for help!
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Okay I got it. :D
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Old 02-18-2008
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Default math help

a=0.0003751 .
sorry i checked the forum late. any help in Maths EbayVictim you are welcome anytime.
i have a master in computer science
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Old 02-18-2008
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Thanks for everyone's support! I am definately math challenged! LOL
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Old 02-18-2008
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Well SuperBowl, it looks like we got the same answer at least. That makes me feel a little better! :D
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