lingling13 lingling13

17-07-2016
Mathematics

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find the distance between e and f given e(-4,2) and f(3,-6)

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texaschic101 texaschic101

17-07-2016

(-4,2)(3,-6)

d = sqrt (x2 - x1)^2 + (y2 - y1)^2 <== distance formula
d = sqrt (3-(-4)^2 + (-6-2)^2)
d = sqrt (7^2) + (-8^2)
d = sqrt 49 + 64
d = sqrt 113
d = 10.63

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