genesisc0319 genesisc0319

20-05-2020
Mathematics

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Find the third, fifth,and eleventh terms of the sequence described by the rule.
A(n)=6+(n-7)(7)
A(3)= ?

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alexrocal alexrocal

21-05-2020

Answer:

aₙ = 6 + (n - 1)*7

a₃ = 6 + (3 - 1)*7 = 20

a₅ = 6 + (5 - 1)*7 = 34

a₁₁ = 6 + (11 - 1)*7 = 76

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