Consider the series
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.
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Determine whether the geometric series converges or diverges.  
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If it converges, find its sum.

What will be an ideal response?

converges; 60

Mathematics

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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series., -1 < t ? 1

A.  < 
B.  < 0.20
C.  < 
D.  < 

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Find the line of symmetry.f(x) = 4x2 + 24x + 31

A. x = -5 B. x = -3 C. x = 3 D. x = 5

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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.9w + 7x - 6y - 3z = -248w + 5x - 9y - 3z = -329w + 7x + 7y + 4z = 21-6w - 3x + 7y + 9z = 16

A. (-1, 4, -5, 2) B. (2, 3, -4, -2) C. (2, -3, 4, -1) D. No solution

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Express the number as an equivalent decimal. Use bar notation for repeating decimals.

A. 14.5
B. 14.
C. 14.
D. 14.59

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Mathematics