Question

the first of arithmetic sequence is -3.3 is 19th term is is 5.7 find common different...plz answer I will mark them as brainlist​

Answer 1

Step-by-step explanation:

a19 = 5.7

a1 = -3.3

an = a + (n-1)d

a19 = -3.3 + (19-1)d

5.7 + 3.3 = 18d

9.0 = 18d

d = 9/18 =0.5

Answer 2

Answer:

0.5................................