Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour
B. 3 hours
C. 4 hours
D. 5 hours
Answer: B
You might also like to view...
For a certain population the growth rate G, measured in thousands per year, depends on the population n, measured in thousands. The relationship is
.
?
A: Make a graph of G versus t. Include populations of up to 200,000 (corresponding to 
).B: Ecologists believe the population will be self-sustaining as long as the growth rate is 50 thousand per year or higher. Add the horizontal line corresponding to a growth rate of 50 thousand per year to the graph you made in part A.C: Over what population range is the growth rate 50 thousand per year or more?
What will be an ideal response?
Solve the problem.One rope pulls a barge directly east with a force of 86 N, and another rope pulls the barge directly north with a force of 64 N. Find the magnitude of the resultant force acting on the barge. Round to the nearest Newton.
A. 107 N B. 5500 N C. 22 N D. 150 N
Perform the operations.
A. 0.06934 B. 693.4 C. 6.934 D. 6,934
Find all solutions of the equation in the interval [0, 2?).4 sin2 x - 3 = 0
A. 
B. 
C. 
D. 