DiabloNemesiss
DiabloNemesiss
30-09-2017
Mathematics
contestada
Help please with this question.
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texaschic101
texaschic101
30-09-2017
Q = (c + d) / 2.....when d = 5 and Q = 21
21 = (c + 5) / 2 ...multiply both sides by 2
2 * 21 = c + 5
42 = c + 5
42 - 5 = c
37 = c <== answer A
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