Step-by-step explanation:
The sequence above is an arithmetic sequence
For an nth term in an arithmetic sequence
A(n) = a + ( n - 1)d
where a is the first term
n is the number of terms
d is the common difference
From the question
a = - 1
To find the common difference subtract the previous term from the next term
We have
d = 4 --1 = 4 + 1 = 5 or 9 - 4 = 5
Therefore d = 5
Substitute the values into the general formula
That's
To find A(50) substitute the value of n that's 50 into the formula above
Hope this helps you
Answer:
?= 103
Step-by-step explanation:
Your question isn't very clear but i will try to help you anyways. I think you're calculating ? which is the unknown(x) right? So i will be answering that
1? - 2 - 101 =0
1?-2= 0 + 101
1?= 101 +2
1?= 103
?= 103/1
?= 103