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never [62]
3 years ago
15

Part one: Sequence and Series

Mathematics
1 answer:
ASHA 777 [7]3 years ago
8 0

Answer:

- 57

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a + (n - 1)d

where a is the first term and d the common difference

Here a = 13 and d = - 2.5, thus

a_{29} = 13 + (28 × - 2.5) = 13 - 70 = - 57

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