obalzano6817
28.05.2021 •
Mathematics
Been having some problems with Geometry this past year, would appreciate a answer!
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Ответ:
882
Step-by-step explanation:
The n th term of an arithmetic sequence is
where a₁ is the first term and d the common difference
Here a₁ = 18 and d = 30 - 18 = 12, thus