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Verizon [17]
3 years ago
13

Look at the arithmetic pattern shown here.

Mathematics
1 answer:
STatiana [176]3 years ago
7 0

Answer:

a_{n} = 10n

Step-by-step explanation:

The nth term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 10 and d = a₂ - a₁ = 20 - 10 = 10 , then

a_{n} = 10 + 10(n - 1) = 10 + 10n - 10 = 10n

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