Determine whether the statement is true or false.7 > 20

A. True
B. False


Answer: B

Mathematics

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Use Chebyshev's theorem to solve the problem.In a certain distribution of numbers, the mean is 50 and the standard deviation is 6. What can you say about the percentage of numbers that lie between 38 and 62?

A. at least 50% B. at most 75% C. at least 75% D. at most 25%

Mathematics

Perform the matrix multiplication.   

A.  
B.  
C.
D.  

Mathematics

Solve the problem.Suppose that an insect population density, in thousands, during year n can be modeled by the recursively defined sequence:  .Use technology to graph the sequence for n = 1 , 2 , 3 , ........., 20 . Describe what happens to the population density function.

A. The insect population stabilizes near 10.78 thousand. B. The insect population stabilizes near 10.03 thousand. C. The insect population increases every year. D. The insect population stabilizes near 7.58 thousand.

Mathematics

Solve the system by elimination.7x - 5y = 285x + 3y = 20

A. {(3, 1)} B. {(4, 0)} C. {(x, y)|5x + 3y = 20} D. ?

Mathematics