Find the area of the figure. Use 3.14 to approximate ?, if needed.
A. 416.52 sq yd
B. 682.56 sq yd
C. 419.04 sq yd
D. 362.52 sq yd
Answer: D
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Solve the problem.Find the average distance from a point in the first quadrant of the disk
to the origin.
A. 2
B. 4
C.
D.
Solve the problem.The formula v = can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 20 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 20 mph B. 15 mph C. 25 mph D. 30 mph
Identify the type of sampling described by the proposal.A writer for an art magazine randomly selects and interviews fifty male and fifty female artists.
A. simple random sample B. systematic sample C. stratified sample D. convenience sample E. cluster sample
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = -3 cos x
A. continuous for all real numbers except x = 1 B. continuous for all real numbers C. continuous for all real numbers except x = -3 D. continuous for all real numbers except x = 0