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The distance between the points (14,-18) and (15,-8) is?

The point (a,b) is such that (14,-18) is the midpoint of the segment from (15,-8) to (a,b). Then a and =?

  • Math -

    average x = 14 = (15 + a)/2
    28 = 15 + a
    a = 13
    average y = -18 = (-8 +b)/2
    -36 = -8 + b
    b = -28
    so
    (13,-28)

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