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Ierofanga [76]
3 years ago
5

If sequence s has 240 terms, what is the 239th term of s ? (1) each term of s after the first term is 4 less than the preceding

term. (2) the 239th term of s is 952 less than the first
Mathematics
1 answer:
malfutka [58]3 years ago
6 0

x_{n} = a₁ + d(n - 1)  ; where "a₁" is the first term and "d" is the difference

a₂₄₀ = a₁ + d(240 - 1)

a₂₄₀  = a₁ + 239d


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<em />

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Since 14 is being added to 14p, we need to subtract 14 from both sides of the equation.

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On the left side of the equation, the positive 14 and negative 14 cancel each other out and we have 14p. On the right side of the equation, we hav 21 - 14 which gives us 7.

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