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Posted by **wendy** on Friday, November 20, 2009 at 8:34am.

z=0.3(y-6)^2

please can you explain your working,

Many thanks,

Wendy.

- Algebra -
**drwls**, Friday, November 20, 2009 at 9:40am(10/3)z = (y-6)^2

y = sqrt[(10/3)z] +6

= 1.826 sqrt z + 6

- Algebra -
**wendy**, Friday, November 20, 2009 at 9:47amI'm sorry. Really don't understand this. Where did the 10/3 come from in the first step?

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