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11th grade

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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 ??? -

    What is your school SUBJECT? Math? Physics?

  • Math -

    It is math, i take a pre-calc/calc class.

    sorry!

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