Solve the problem.The Wellspring Company's fleet of trucks get 19, 10, 19, 10, 20, 14, and 23 miles per gallon. What is the average miles per gallon for the fleet? Round to the nearest whole number.
A. 15
B. 19
C. 13
D. 16
Answer: D
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If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 25x2 + 9y2 + 350x + 180y + 1900 = 0
A. C: (-7, -10); V: (-4, -10), (-10, -10); F: (-1.2, -10), (-12.8, -10) B. C: (-7, -10); V: (-7, -5), (-7, -15); F: (-7, -6.0), (-7, -14.0) C. C: (-7, -10); V: (-2, -10), (-12, -10); F: (-3.0, -10), (-11.0, -10) D. C: (-7,-10); V: (-7, -7), (-7, -13); F: (-7, -4.2), (-7, -15.8)
Solve the problem.A committee is to be formed. Possible candidates for the committee are Eric, Frances, Greg, and Jose. Denoting these four people by e, f, g, j, list all possible committees if the committee is to contain at least two people and may contain up to four people.
A. {e, f}, {e, g}, {e, j}, {f, j}, {e, f, g}, {e, f, j}, {e, g, j}, {f, g, j}, {e, f, g, j} B. {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}, {e, f, g}, {e, f, j}, {f, g, j}, {e, f, g, j} C. {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}, {e, f, g}, {e, f, j}, {e, g, j}, {f, g, j}, {e, f, g, j} D. {e, f}, {e, g}, {e, j}, {f, g}, {f, j}, {g, j}, {e, f, g}, {e, f, j}, {e, g, j}, {f, g, j}
Solve the system by the substitution method. Be sure to check all proposed solutions. x - 4y = -35x - 3y = -15
A. {(3, -1)} B. {(-3, 0)} C. {(-2, -3)} D. ?
Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(-1, 3) = 33, saddle point B. f(1, -3) = 1, saddle point C. f(-1, -3) = -3, local minimum D. f(1, 3) = 37, local maximum