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mwainwright Group Title

This question is killing me! Someone walk me through it step by step? A small radio transmitter broadcasts in a 34 mile radius. If you drive along a straight line from a city 45 miles north of the transmitter to a second city 44 miles east of the transmitter, during how much of the drive will you pick up a signal from the transmitter?

  • 2 years ago
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  1. studyopen101 Group Title
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    draw a picture

    • 2 years ago
  2. Mertsj Group Title
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    |dw:1326772307620:dw|

    • 2 years ago
  3. Mertsj Group Title
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    Looks to me like none of the time. He is always more that 34 miles from the transmitter.

    • 2 years ago
  4. mwainwright Group Title
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    |dw:1326772439382:dw|

    • 2 years ago
  5. rivermaker Group Title
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    The driving route can be fixed by the points: (0, 45) and (44, 0) The transmitting area is defined by the circle: \[x^2 + y^2 = 34^2\] So write the equation for the line and substitute that into the equation of the circle to get the two points and then find the distance between the two pints.

    • 2 years ago
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