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s2008m [1.1K]
3 years ago
5

if the third term in an arithmetic sequence is 7 and the common difference is -5, what is the value of the fourth term?​

Mathematics
2 answers:
son4ous [18]3 years ago
8 0

Answer:

a₄ = 2

Step-by-step explanation:

Each term in an arithmetic sequence is obtained by adding the common difference to the previous term, then

a₃ = 7 , so

a₄ = a₃ + 5 = 7 - 5 = 2

melisa1 [442]3 years ago
8 0

Answer:

t4=a+(n-1)d

t4=7+(4-1)-5

t4=7+(-15)

t4=-8

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