Answer:
The given expanded sum of the series is
Step-by-step explanation:
Given problem can be written as
To find their sums:
Now expanding the series
That is put n=5,6,7,8,9 in the given summation
(adding the terms)
Therefore
Therefore the given sum of the series is
The given expanded sum of the series is
The area of a square is the length of a side squared ( Area= Side^2)
when the area is known take the square root of the area to find the length of the side:
Side = sqrt(area)
Side = sqrt(75)
side = 8.7
the length is between 8 and 10
the answer is B
Answer: 21n^4 -46n^3 -4n^2 +7n
Step-by-step explanation:
21n^4 +3n^3 +3n^2 -49n^3 -7n^2 +7n =
21n^4 -46n^3 -4n^2 +7n
The answer is A as he has all of the quarters when he spends no time in the arcade
So, if you're trying to ask what 12 divided by 3 is, then the answer is four. (Using inverse operation), because 4x3=12. But, make sure you put the label! The answer is $4.