13-06-2020
Mathematics

contestada

What is the 9th term in an arithmetic sequence with the first term equal to 1 and the constant difference equal to 7?

Respuesta :

TheUnknownScientist TheUnknownScientist

13-06-2020

Answer:

a9 = 57

Step-by-step explanation:

According to the given information

First Term (a1) = 1 and

Constant Difference (d) = 7

Here,

a1 = 1

d = 7

Now,

a9 = a + 8d

= 1 + 8(7)

= 1 + 56

a9 = 57

Thus, the 9th term in an arithmetic sequence is 57

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