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Mathematics 17 Online
OpenStudy (anonymous):

The equation for the cross-section of a parabolic satellite TV dish is stated below, measured in inches. How far is the focus from the vertex of the cross-section

OpenStudy (anonymous):

\[y=1/36*x^2\]

OpenStudy (anonymous):

\[ x^2 = 36 y= 4 p y\\ p=9 \]The answer is 9

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

yw

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