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January 28, 2015

January 28, 2015

Posted by **Jake** on Monday, October 3, 2011 at 6:31am.

- math -
**Reiny**, Monday, October 3, 2011 at 10:07amI see

X = x^2 + y^2 , and x=9 , y=-4 and z = 1/2

X = 81+16 = 97

where does z enter the picture?

- math -
**Jake**, Tuesday, October 4, 2011 at 4:42pmI Don't know, it was our teacher who typed the questions.

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