Step-by-step explanation:
1. 2, 7, 12, 17, 22
2. 8, 11, 14, 17, 20, 23
3. 41, 59, 72, 95
4, -5, -3, -1 1
5. 97, 122, 147, 172
Answer:
2,5,17
three arithmetic means between 2 and 22
2,_,_,_,22
an=a1+(n-1)d
Find the Difference:
n=5
an=22
a1=2
22=2+(5-1)d
22=2+4d
20=4d
d=5
a2=2+5=7
a3=7+5=12
a4=12+5=17
