Simplify.

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.The annual rainfall in Maine is a random variable with probability density function defined by  for x in  Find the probability that the rainfall is less than the expected value of the rainfall.

A. 0.500 B. 0.447 C. 0.445 D. 0.489

Mathematics

Use a truth table to determine whether the argument is valid.(p ? q) ? (q ? r)p  r

A. Valid B. Invalid

Mathematics

Solve the problem.Suppose you purchase an six-year bond for $7200. The face value of the bond when it matures is $9144. Find the APR.

A. 4.5% B. 4.75% C. 4.25% D. 4% E. 5%

Mathematics

The position of a car is given by the values in the following table.



Estimate the instantaneous velocity when t=2 by averaging the velocities for the periods [1,2] and [2,3].
.

Mathematics