Blackstar101 Blackstar101

22-11-2016
Mathematics

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find the approximate distance between (-5, 8) and (10, -7). Round your answer to two decimal places.

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texaschic101 texaschic101

22-11-2016

distance formula : d = sqrt (x2 - x1)^2 + (y2 - y1)^2
(-5,8)(10,-7)

d = sqrt (10 - (-5)^2 + (-7 - 8)^2
d = sqrt (10 + 5)^2 + (- 15^2)
d = sqrt (15^2) + (-15^2)
d = sqrt 225 + 225
d = sqrt 450
d = 21.21

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