Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.sin 69°
A. 0.93
B. -0.16
C. -0.11
D. 0.98
Answer: A
Mathematics
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Find the indicated value of the given function. f(x) = 
, f(-4)
A. 
B. - 
C. 
D. 
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 121.3° B. 31.3° C. 77.7° D. 58.7°
Mathematics
Solve the problem.Suppose the amount of a radioactive element remaining in a sample of 100 milligrams after x years can be described by A(x) = 100e-0.01136x. How much is remaining after 385 years? Round the answer to the nearest hundredth of a milligram.
A. 0.01 milligrams B. 7932.87 milligrams C. 437.36 milligrams D. 1.26 milligrams
Mathematics