Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = -xi - yj
What will be an ideal response?
Answers will vary.
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Solve. Use ? = 3.14159 as needed.Find the length w in the casting shown in the figure. (Round to the nearest tenth, if necessary.)
A. 3.8 cm B. 5.4 cm C. 3.6 cm D. 5.6 cm
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.Which of the following best describes the parameter in this situation?
A. The 20% of students interviewed that favored the elimination of spring break. B. The actual percentage of American college students that favor the elimination of spring break. C. The percentage of American college students that undergraduates at the University of Miami (FL) represent. D. The actual percentage of students at the University of Miami (FL) that favor the elimination of spring break. E. none of these
Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Give the center and radius of the circle. Then sketch its graph.(x + 5)2 + (y + 1)2 = 16
A. center (- 5, - 1), r = 4
B. center (5, - 1), r = 4
C. center (5, 1), r = 4
D. center (- 5, 1), r = 4