Solve the problem.A pilot wants to fly on a bearing of 61.8°. By flying due east, he finds that a 51-mph wind, blowing from the south, puts him on course. Find the airspeed of the plane.
A. 95 mph
B. 108 mph
C. 48 mph
D. 143 mph
Answer: A
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For a satellite orbiting Earth, the time required to complete a single orbit is known as the period. The period P, in hours, is related to the distance D, in miles, from the center of Earth by the formula 
.
What happens to the distance as the period increases? A graph of D versus P can help you answer this question.
?
A. Distance increases as period increases. B. Distance decreases as period increases. C. Distance is at a maximum. D. Concavity changes as the period increases.
?Medication. The number of milligrams x of a medication in the bloodstream t hours after a dose is taken can be modeled by 
. Find the maximum value of x. Round your answer to two decimal places.
?
A. 1.73 hours B. ??1443.37 hours C. ?3.73 hours D. ?4.22 hours E. 1.73 hours
Simplify the expression using order of operations.(6.1)2 + (8.0)2
A. 198.81 B. 101.21 C. 28.2 D. 56.4
Use n = 4 to approximate the value of the integral by Simpson's rule.
A. 
B. 
C. 
D. 