Solve the problem.Suppose that during the 1990s, the population of a certain country was increasing by 1.1% each year. If the population at the end of 1993 was 6.2 million, what was the population at the end of 1997? Round your answer to the nearest hundredth of a million.
A. 6.47 million
B. 6.27 million
C. 6.48 million
D. 6.41 million
Answer: C
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Solve the problem.A football player kicks two consecutive field goals from approximately the same distance. Each field goal is worth three points and has probability of success p = . Let X denote the number of points scored. Find the probability distribution of X.
A.
B.
C.
D.
E.
Use the Gauss-Jordan method to find A-1, if it exists.A =
A.
B.
C.
D. Does not exist
Find the inverse of the one-to-one function.f(x) = 3x - 3
A. f-1(x) =
B. f-1(x) =
C. f-1(x) =
D. f-1(x) =
Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 60 m. The hypotenuse is 20 m longer than the length of the longer leg. How long is the longer leg?
A. 80 m B. 100 m C. 120 m D. 60 m