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normannen
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#11
Jul 3 2015 12:47pm
Quote (Fioravanti @ 3 Jul 2015 20:44)
These are really easy, mate.
I'll solve one for you.
1)
When y=9 -> x=2
Since they are directly proportional -> 9/2 = 4.5
k=4.5
4 * 4.5 = 18
y=18
2)
z^6
Fioravanti
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#12
Jul 3 2015 12:50pm
3)
9^5/2 = sqrt(9^5) = 3^5 = 243
normannen
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#13
Jul 3 2015 12:51pm
Quote (Fioravanti @ 3 Jul 2015 20:50)
3)
9^5/2 = sqrt(9^5) = 3^5 = 243
4)
7
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