Answer:
16
Step-by-step explanation:
400-150=250
250/15=~16
I hope this helps you understand how to do the problem.
Answer:
k = 4.
Step-by-step explanation:
An arithmetic sequence has a common difference.
So for this to be arithmetic:
k + 3 - (k - 1) = 3k - 1 - (k + 3)
k + 3 - k + 1 = 3k - 1 - k - 3
3 + 1 = 2k - 4
4 + 4 = 2k
k = 4.
The sequence is 3, 7, 11.
Answer:
Yes
Step-by-step explanation:
From equations (1), (2) & (3)
