kostephin8try kostephin8try

17-09-2016
Mathematics

contestada

b is the midpoint of ac .ab =8v and ac =2v 42.what is bc

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kellyytrann29 kellyytrann29

17-09-2016

is it positive 42 or negative?
8v = 2v + 42
-2v -2v
6v = 42
v=7
8×7 = 56
2×7+42--> 14+42=56

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