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Find the 25 term in the sequence 8, 13, 18, 23,
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Find the 25 term in the sequence 8, 13, 18, 23,

User Ttulka
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1 Answer

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a₁ = 8

aₓ = a₁ + 5(x - 1)
a₂₅ = 8 + 5(25 - 1)
a₂₅ = 8 + 5(24)
a₂₅ = 8 + 120
a₂₅ = 128

This is an arithmetic sequence because the terms all increase by the same amount each time.
User Teun Van Der Wijst
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