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Eduardwww [97]
3 years ago
10

Four tangent circles centered on the x-axis are shown below. The radius of circle A is twice the radius of circle O. The radius

of circle B is three times the radius of circle O. The radius of circle C is four times the radius of circle O. All circles have integer radii. The point (63, 16) lies on circle C. What is the standard equation of circle A? A detailed explanation would be preferred :)

Mathematics
1 answer:
Evgen [1.6K]3 years ago
3 0
5 is your answer so A=10
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5 0
3 years ago
Read 2 more answers
a jet flying at an altitude of 30000 ft passes over a small plane flying at 15000 feet headed in the same direction the jets fly
Sholpan [36]

The jet has gained on the small plane at the rate of 10 miles per minute, so is flying 600 miles per hour faster. (There are 60 minutes in an hour.)

Since the jet is flying twice as fast as the smaller plane, the small plane's speed is the same as the difference in speed: 600 mph.

The jet's speed is double that, 1200 mph.

  • small plane: 600 mph
  • jet: 1200 mph
8 0
3 years ago
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