Find zw or 
as specified. Leave your answer in polar form.z = 1 - iw = 1 - 
iFind 
.
A. 
(cos 15° + i sin 15°)
B. 
(cos 75° + i sin 75°)
C. 
(cos 15° + i sin 15°)
D. 
(cos 75° + i sin 75°)
Answer: A
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As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The N-value for this population is
A. 40. B. 16. C. 800. D. 300. E. none of these
Solve the problem.A population grows according to the logistic growth model, with growth parameter r = 1.6 and initial population given by p0 = 0.5. What does the logistic growth model predict in the long term for this population?
A. The population settles into a four-period cycle with the following approximate percentages of the habitat's carrying capacity: 50%, 37.9%, 38.4%, 37.5%. B. unlimited growth C. The population settles into a two-period cycle alternating between a high-population period at 50% and a low-population period at 37.5% of the habitat's carrying capacity. D. extinction E. It stabilizes at 37.5% of the habitat's carrying capacity.
Evaluate the expression.-3 - 4
A. -30 B. 30 C. -23 D. 23
Find the area A. Round the answer to three decimal places.
A. 21.206 yd2 B. 13.5 yd2 C. 2.356 yd2 D. 42.412 yd2