TootsieR TootsieR

26-10-2016
Mathematics

contestada

The equation for the cross section of a parabolic telescope mirror is
y= \frac{x^{2} }{34} measured in centimeters. How far is the focus from the vertex of the cross section?

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bever45 bever45

26-10-2016

23 meters long cause 20 plus three= 23

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