kkimmons8 kkimmons8

16-05-2020
Mathematics

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What is the ninth term in the sequence an=21+5n

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Chelboy Chelboy

16-05-2020

Answer:66

Step-by-step explanation:

an=21+5n

ninth term is a9

a9=21+5x9

a9=21+45

a9=66

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