Imagine that you have written down the numbers from 1 to 1,000. What is the total number of zeros you have recorded?
?  

A. 161
B. 71
C. 191
D. 192
E. 141


Answer: D

Mathematics

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Solve the problem.The Human Resources department of a medium-sized corporation reported that the average age of its employees is  years and the average number of hours each employee worked each week is  hours. Round each of these numbers to the nearest ten.

A. 60 years; 50 hours B. 50 years; 40 hours C. 50 years; 50 hours D. 60 years; 40 hours

Mathematics

Solve.A certain flexible cable between two towers 400 ft apart can be represented by . Sketch the graph representing the cable for 

A.

B.

C.

D.

Mathematics

Determine convergence or divergence of the alternating series.

A. Converges B. Diverges

Mathematics

Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 2x + 4; g(x) = 

A. [-2, ?) B. [0, ?) C. (-?, ?) D. (-?, -2] ? [0, ?)

Mathematics