Write the value as the sum of an infinite geometric series. Express the answer as a simplified fraction.0.53535353 . . .
A. 
B. 
C. 
D. 
Answer: D
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 3, an+2 = an+1 - an
A. 1, 3, 2, 1, 0 B. 1, -3, 4, -5, 6 C. 1, 3, 2, -1, -3 D. 1, -1, 2, -3, 5
Write the series in summation notation. Use the index i and let i begin at 1 in each summation.b3 + b4 + b5 + . . . + b14
A. 
B. 
C. 
D. 
Determine if the given ordered triple is a solution of the system.3x + 4y + z = 95x - 5y - z = -305x + y + 2z = -15(-2, 5, -5)
A. No B. Yes
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 10 inches, ? = 2 radians, A = ?
A. 10 in2 B. 200 in2 C. 20 in2 D. 100 in2