Solve the problem.A wheel with a 20-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 18 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 47.6°
B. 53.6°
C. 51.6°
D. 49.6°
Answer: C
You might also like to view...
Find the area of the shaded region.
A. 4
B. 
C. 4 + 
D. 8
Solve the problem. Round to two decimal places unless otherwise indicated.Suppose a cost-benefit model is given by y = 
, where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 75% to the nearest dollar.
A. $5900 B. $17,700 C. $4425 D. $3000
Provide an appropriate response.Give an example of a situation in which a logistic function f(x) = 
would be a more appropriate model than an exponential function f(x) = aekx. Explain why you think the logistic model would be more appropriate.
What will be an ideal response?
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 