Solve the problem.If a parking ramp attendant can wait on 5 vehicles per minute, and vehicles are leaving the ramp at x vehicles per minute, then the average wait in minutes for a car trying to exit is given by
Solve the inequality
to determine the exit rates x that would result in average wait times between 4 and 9 minutes.
A. 4.8 ? x ? 4.9
B. 4.7 ? x ? 5.0
C. 0.7 ? x ? 1.5
D. x ? 4.9 or x ? 4.8
Answer: A
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Transform the equation to a form without an xy-term by a rotation of axes and then identify the curve.5x2 - 6xy + 5y2 = 24
A. -
= 1; hyperbola
B. +
= 1; ellipse
C. -
= 1; hyperbola
D. +
= 1; ellipse
Solve the problem.The following map shows the states Illinois, Indiana, Kentucky, West Virginia, and Virginia. Find a route that starts and ends in Virginia and crosses each common state border exactly one time.
A. VA ? KY ? IL ? IN ? KY ? VA ? WV ? KY B. No such route exists. C. VA ? WV ? KY ? IL ? IN ? KY D. VA ? WV ? KY ? IN ? IL ? KY ? VA
Write the equation for the plane.The plane through the points P(5, -8, 40) , Q(-3, -6, 58) and R(-1, 6, -34).
A. 7x + y + 4z = -4 B. 7x + y + 4z = 4 C. 4x + 7y + z = 4 D. 4x + 7y + z = -4
Provide an appropriate response.Give an example of an arithmetic sequence with a5 = 16.
What will be an ideal response?