2 years ago

Find the 18th term of the arithmetic sequence whose common difference is d=5 and whose first term is a, = 4.

Mathematics

2 answers:

dedylja [7]2 years ago

7 0

Answer: 89

the 18th term is 4 + (18 - 1).5 = 4 + 17.5 = 89

Step-by-step explanation:

Zolol [24]2 years ago

7 0

Answer:

Step-by-step explanation:

formula: Tn= a+(n-1)d

T89= 4+(18-1)*5

T89= 4+(17*5)

4+85

=89

hoped this helped:)

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