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14-05-2022
Mathematics

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A sequence is represented by the formula an=-5+a(n-1). If a4 = 20, what is the 6th term in the sequence?

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Аноним Аноним

14-05-2022

Answer:

10

Step-by-step explanation:

Formula :

aₙ = -5 + aₙ₋₁

Finding a₅ :

a₅ = -5 + a₄
a₅ = -5 + 20
a₅ = 15

Finding a₆ :

a₆ = -5 + a₅
a₆ = -5 + 15
a₆ = 10

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