Evaluate.45 ÷ 3y, for y = 5
A. 75
B. 3
C. 9
D. 15
Answer: A
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Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = x2 - 20; x0 = 5
A. xn+1 = xn + 
; x1 = 4.500000, x2 = 4.472222
B. xn+1 = xn - 
; x1 = 5.500000, x2 = 3.472222
C. xn+1 = 
; x1 = 5.000000, x2 = 4.972222
D. xn+1 = 
; x1 = 4.500000, x2 = 4.472222
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Factor completely.x2 + 2xy - 24y2
A. (x - 6y)(x + y) B. (x + 6y)(x - 4y) C. (x - 6y)(x + 4y) D. (x - y)(x + 4y)
The following question(s) refer(s) to the capture-recapture method: n1 denotes the size of the tagged (captured) sample, n2 denotes the size of the second (recaptured) sample, and k denotes the number of tagged individuals in the second sample.If n1 = 135, n2 = 116, and k = 15, an estimate for the size of the population is
A. 861. B. 1044. C. 1012. D. 973. E. none of these