Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 10 miles per hour in 45 minutes, how fast must it travel to cover the same distance in 15 minutes?
A. 30 miles per hour
B. 
miles per hour
C. 
miles per hour
D. 
miles per hour
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
y?? + 3y? ?10y = 0, y (0) =1, y?(0) = 2
Solve the initial-value problem.
Mathematics
Factor completely. If a polynomial is prime, then state this as your answer.(x + y)2 - 6(x + y) + 9
A. (x + y - 3)2 B. (x - 6)(y + 6) C. (x + y + 3)2 D. (x + y - 3)(x - y + 3)
Mathematics
Solve the problem.The graph shows the total sales in thousands of dollars from the distribution of x thousand catalogs. Find the average rate of change of sales with respect to the number of catalogs distributed for the change in x.
10 to 40
A. 
B. 4
C. 
D. 
Mathematics