Homework Help: 11th grade

Posted by student on Sunday, September 28, 2008 at 4:49pm.

The arch of a bridge is a semi ellipse, the span is thirty feet and the top of the arch is ten feet above the major axis. the roadway is horizontal and is two feet above the arch. find the vertical distance from the roadway to the arch at five feet intervals in order to calculate our costs

11th grade ??? - Ms. Sue, Sunday, September 28, 2008 at 4:54pm
What is your school SUBJECT? Math? Physics?
Math - sam, Sunday, September 28, 2008 at 5:01pm
It is math, i take a pre-calc/calc class.

sorry!

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