Determine the sum of the first 33 terms of the following series:
−52+(−46)+(−40)+...
1 answer:
Answer:
1320
Step-by-step explanation:
Use the formula for sum of series, s(a) = n/2(2a + (n-1)d)
The terms increase by 6, so d is 6
a is the first term, -56
n is the terms you want to find, 33
Plug in the numbers, 33/2 (2(-56)+(32)6)
Simplify into 33(80)/2 and you get 1320
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I think the answer is B) i’m not 100%
Answer:
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Every time, it increases by one and is multiplied by negative one
I have no idea when you posted this but I hope this helps you in time!!
Answer:
m = 7
Step-by-step explanation:
3m + 8 + m = 36 , that is
4m + 8 = 36 ( subtract 8 from both sides )
4m = 28 ( divide both sides by 4 )
m = 7
