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Member
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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
Member
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Jul 3 2015 12:50pm
3)

9^5/2 = sqrt(9^5) = 3^5 = 243
Member
Posts: 29,537
Joined: Apr 30 2006
Gold: 87.69
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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