Answer:
The sum of arithmetic series is - 2119 .
Step-by-step explanation:
Given as :
The first term of series = a = - 94
The 26th term of series = = - 69
The number of term = n = 26
Now, Let The sum of arithmetic series =
So, = × (First term + Last term)
Or, = × (a + )
or, = 13 × ( - 94 - 69 )
or, = 13 × ( - 163 )
or, = - 2119
or, the sum of 26 arithmetic series = = - 2119
Hence The sum of arithmetic series is - 2119 . Answer
Answer:
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Step-by-step explanation:
It's decreasing then once it hits the origin, it starts to increase again. I hope this helps you:)
I need the multiple choice things that could be the answer
Step-by-step explanation:
3n-7n-n = 15
5n = 15
n = 15 ÷ 5
n = 3