Answer:
x=9
Step-by-step explanation:
Answer:
an = 4n +5
Step-by-step explanation:
First we need to find a common difference
d = a2-a1 = 13-9 = 4
The formula for an
an =a1+d(n-1)
an = 9 + 4(n-1)
Distributing
an = 9+4n-4
Combine like terms
an = 4n +5
It is trueee....... hope this helps
Answer:
I'm pretty sure that the answer is 5. Correct me if i'm wrong
Step-by-step explanation: