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tresset_1 [31]
3 years ago
9

An arithmetic

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

an = 7.5 - 5.5(n - 1).

Step-by-step explanation:

The common difference d = -5.5.

The first term is given as 7.5.

Explicit formula is

an = a1 + (n - 1)d

= 7.5 + (n - 1)-5.5

= 7.5 - 5.5(n - 1)

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