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Find the 21st term of the arithmetic sequence an=9+3(n-4) a21=
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Find the 21st term of the arithmetic sequence an=9+3(n-4) a21=

User Acedanger
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1 Answer

6 votes

Answer:

60

Explanation:

a21=9+3(21-4)=9+3*17=9+51=60

User Cjoerg
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