?Find the mean and median of
.
?
A. ?mean: 24.00median: 24.00
B. ?mean: 24.00median: 0.17
C. ?mean: 4.00median: 0.50
D. ?mean: 6.00median: 6.00
E. ?mean: 0.50median: 0.50
Answer: D
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Solve the application problem.One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 8 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? (Round your answer to the nearest tenth, if necessary.)
A. 71 min B. 73.2 min C. 72 min D. 4.2 min
Factor completely.20x4 + 31x2 + 12
A. (4x2 + 1)(5x2 + 12) B. (5x2 - 4)(4x2 - 3) C. (4x2 + 3)(5x2 + 4) D. (20x2 + 3)(x2 + 4)
Give the maximum number of zeros the polynomial function may have. Use Descarte's Rule of Signs to determine how many positive and how many negative zeros it may have.f(x) = x5 - 2.9x4 - 13.51x3 + 28.816x2 + 37.76x - 5.567
A. 5; 2 or 0 positive zeros; 3 or 1 negative zeros B. 5; 3 or 1 positive zeros; 2 or 0 negative zeros C. 5; 3 or 1 positive zeros; 3 or 1 negative zeros D. 5; 2 or 0 positive zeros; 2 or 0 negative zeros
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 5; zeros: 2, -3i, and 4 - i
A. f(x) = x5 - 10x4 + 26x3 -124 x2 + 72x + 306 B. f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306 C. f(x) = x5 - 10x4 + 26x3 -124 x2 - 72x - 306 D. f(x) = x5 - 10x4 - 42x3 -124 x2 + 297x + 306