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san4es73 [151]
3 years ago
10

Please help I will mark you as brainliest!

Mathematics
2 answers:
Dafna1 [17]3 years ago
7 0

We can use the base formula: a_n=a_1+(n-1)d

a_n = nth term

a_1 = first term

n = position of the term

d = common difference

First, lets find the common difference of the sequence.

12 - 5 = 7

19 - 12 = 7

26 - 19 = 7

Second, find the variables we already know.

a_1 = 5

d = 7

Put these values into the formula: a_n = 5+(n-1)7

We can use this expression to solve for the fifth term.

a_5=5+(5-1)7\\a_5=5+(4)(7)\\a_5=5+28\\a_5=33

Therefore, the answer is a_n = 5+(n-1)7

Best of Luck!

lyudmila [28]3 years ago
3 0
N7+5 because you start off with 5 and gradually increase by 7. n is the number in the sequence you will try to find
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