Question

13 th term of an arithmetic sequence is 30.
a) What is the sum of first and 25 th term of this sequence ?
b) If the second term is 8 then what is its 24 th term?​

Answer 1

Answer:

down to earth

Step-by-step explanation:

a+12d=30

a+d=8

11d=22

d=2

a=6

(a) 6+ a+24d

6+ 6+48

25th term is 60

(b) a+ a+23d

12+46

24th term is 58