B is the midpoint of segment AC; AB = 8x, and AC = 4x + 48. What is BC?
1 answer:
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Given:
The arithmetic sequence is −15, −33, −51, −69.
To find:
The nth term of the arithmetic sequence.
Solution:
We have,
−15, −33, −51, −69
Here,
First term: a = -15
Common difference is
Now, nth term of an arithmetic sequence is
Substitute a=-15 and d=-18.
Therefore, the nth term of the given arithmetic sequence is .
Answer:
5
Step-by-step explanation:
see explanation, use tangent property to solve question
