Mathematics, 23.06.2019 04:31 ywontu53
Show that if x, y, z, and w are the first four terms of an arithmetic sequence, then x + w - y = z.
Answers: 2
Mathematics, 21.06.2019 14:30
anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44
Answers: 1
Show that if x, y, z, and w are the first four terms of an arithmetic sequence, then x + w - y = z....
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