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

Question

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

in progress 0
Nem 4 years 2021-09-03T02:53:08+00:00 2 Answers 7 views 0

Answers ( )

  1. thanhha
    0
    2021-09-03T02:54:15+00:00
    Reply

    Answer:

    89

    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:)

  2. Dau
    0
    2021-09-03T02:54:40+00:00
    Reply

    Answer: 89

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

    Step-by-step explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )