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anonymous

  • 5 years ago

helpp??!!!! A tower in Centerville sends radio signal a certain distance (in miles) according to the equation: x2 + y2 = 3,600. The Martinez family lives 50 miles north and 70 miles east of Centerville. Can the Martinez family receive the radio signal from Centerville? In complete sentences, explain your reasoning.

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  1. mathmate
    • 5 years ago
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    x^2+y^2=3600 means a circle centred at (0,0) with a radius of 60 miles. Since the family lives 70 miles east, it is outside of the circle and so will not get the signal.

  2. anonymous
    • 5 years ago
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    the eqn is the eqn of a cirlce with radius 60. 50 mi north relates to the y axis and 70 mi east relates to the x axis. if you graph the cirlce, the pnt (70, 50) lies outside of the cirlce....so NO they would not get signal

  3. anonymous
    • 5 years ago
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    thankss :))

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