Provide an appropriate response.The time it takes a boat to travel a given distance downstream (with the current) can be calculated by dividing the distance by the sum of the speed of the boat and the speed of the current. Write an equation which calculates the time t it takes a boat moving at a speed r against a current c to travel a distance d. Solve your equation for r.
What will be an ideal response?
; 
- c
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Solve the trigonometric equation symbolically, graphically, or numerically for 
= 0
A. ? = 45°, 135°, 225°, 315° B. ? = 30°, 150° C. ? = 60°, 120°, 240°, 300° D. ? = 30°, 150°, 210°, 330°
Solve the problem.A company manufactures three products. The graph shows the production from 1986 to 1996. What was the level of production when the production of A equaled the production of B?
A. 700,000 B. 800,000 C. 400,000 D. 500,000
Find the probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1102?A student from the community college is selected at random. Find the probability that the student is at least 31. Round your answer to three decimal places.
A. 0.926 B. 0.074 C. 0.054 D. 82
Write the given statement as an equation.The area of a triangle varies jointly as the base and the height.
A. A = k(b + h)
B. A = 
C. A = kbh
D. A = bh