For the given arithmetic series, what is Sn?a1 = 5, d = 4, and n = 96
A. 18,725
B. 37,440
C. 74,880
D. 18,720
Answer: D
Mathematics
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Solve the inequality. Graph the solution set and write it in interval notation.4x + 1 < 21
A. (5, ?)
B. [5, ?)
C. (-?, 5)
D. (-?, 5]
Mathematics
Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.y2, y > 0
A. y4 B. -y, y C. y D. -y
Mathematics
Solve the system by substitution. If the system is inconsistent or dependent, say so.y = xx = -y
A. infinite number of solutions of the equation y = x; dependent system B. (0, 0) C. (1, -1) D. empty set solution; inconsistent system
Mathematics
Factor completely. If the polynomial is prime, then state this as your answer.3x + 27x2
A. 3x(x + 9x) B. 3x(1 + 9x) C. 3(x + 9x2) D. x(3 + 27x)
Mathematics