A theater has 22 rows of seats. The first row has 17 seats, the second row has 21 seats, the third row has 25 seats, and so on. How many seats are in the theater? The theater has seats. Find the sum. 57 6- 5k Σ 11 k=14 The sum is (Simplify your answer.)

Q: Evaluate the sum 8 Σk(2k +3) = k=1 Σκ(2k + 3). k = 1 (Simplify your answer.)

A:

Q: Find the sum. 100 Σ (2n-7) n%3D1

A: Given

Q: Evaluate the sum Σ ( - 16k). S k=1

A:

Q: Pertorm the sum and wri (6-9i)+(4+2i)

A: The solution for the above problem is explained in next step.

Q: Find the sum. 59 4-5k Σ 9. k= 12 The sum is (Simplify your answer.)

A: I have appended the formula used in the solution part of the question

Q: Find the indicated sum. 8+22+36+ 50+ ... + (14n- 6) 8+22+36+50+ ... + (14n – 6) = %3D (Simplify your…

A:

Q: 139 Find the value of the sum (-1)3+1. 139 Answer: (-1)²3+1 =

A:

Q: Find the sum. 80 E (2n - 5) n= 1 The sum is

A: We have the basis formula,                ∑n=1ka-b=∑n=1ka-∑n=1kb Sum of first n natural numbers is,…

Q: 5 Σ 11 i=2 in

A:

Q: Find the indicated sum. 5 Σ ii + 4) i=1 5 Σi(i + 4) = i=1 (Simplify your answer.)

A:

Q: Evaluate the sum. 30 j=1

A: We have to find the sum of the series

Q: Find the sum. 9 Σ (7m – 11) m=1

A: Sum of first consecutive n numbers is given by sn = n( n- 1 )2 ∑m=19( 7m - 11 ) = ?

Q: Find the sum: E1 (k + 2) The sum is:

A: Given- ∑k=15k3+2 To Find- The sum of the above expression.