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December 11, 2019, 09:33:39 pm

Author Topic: quick question  (Read 588 times)  Share 

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mozart

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quick question
« on: January 07, 2008, 05:09:29 pm »
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can someone plz tell me how to work this out.

1/30 + 1/v = 1/10


the original equation = 1/u + 1/v = 1/f
2008- hoPing for
legal studies- 39+raw
2009-hoPing for
methods- 35+raw
Physics- 35+ raw
chemistry- 35+raw
english- 37+raw
viss comm & design- 44+raw

overal Enter minimum: over 83

cara.mel

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Re: quick question
« Reply #1 on: January 07, 2008, 05:23:45 pm »
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You can then flip both sides, so v=15

You can't flip over every part at the start because the left hand side isn't one fraction like that, if that helps. Sorry for writing out every step, I don't intend to make you look silly but sometimes when I do steps in my head people wonder where I went.

mozart

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Re: quick question
« Reply #2 on: January 07, 2008, 06:24:21 pm »
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thanx lol nah it's ok it helps anyway
2008- hoPing for
legal studies- 39+raw
2009-hoPing for
methods- 35+raw
Physics- 35+ raw
chemistry- 35+raw
english- 37+raw
viss comm & design- 44+raw

overal Enter minimum: over 83