3 years ago

81,76,71,66,61,56,51 what is the rule

Mathematics

1 answer:

Setler79 [48]3 years ago

5 0

This is an arithmetic sequence with a common difference of -5

an = 81 + (n-1)-5

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Step-by-step explanation:

Tn=5n+1

e.g.T1=5(1)+1

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=11

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=16

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=21

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