awendywchoygg6y awendywchoygg6y
  • 03-03-2018
  • Mathematics
contestada

Circles with centers (2,1) and (8,9) have radii 1 and 9, respectively. The equation of a common external tangent to the circles can be written in the form y=mx+b with m < 0. What is b?

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bradp1010
bradp1010 bradp1010
  • 03-03-2018
b=30/7 and 80/7

hope this helps<3

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