Solve.Given that sin ? =
and that the terminal side is in quadrant II, find
.
A. -
B.
C.
D. -
Answer: B
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In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The sampling proportion in this survey is
A. 200/(the number of American college students). B. 100%. C. 200/(the number of University of Miami, FL undergraduates). D. 20%. E. none of these
Express the fraction as the negative of a mixed number or an integer.
A. -
B. -7
C. -5
D. -6
The total physical output P of workers is a function of the number of workers, x. The function is called the physical productivity function. Suppose that the physical productivity of x construction workers is given by
, find the marginal physical productivity,
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?
A.
B.
C.
D.
E.
Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 30 feet and the height of the arch over the center of the roadway is 11 feet. Two trucks plan to use this road. They are both 12 feet wide. Truck 1 has an overall height of and Truck 2 has an overall height of
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Neither Truck 1 nor Truck 2 can pass under the bridge. B. Truck 2 can pass under the bridge, but Truck 1 cannot. C. Truck 1 can pass under the bridge, but Truck 2 cannot. D. Both Truck 1 and Truck 2 can pass under the bridge.