Fill in the blank with one of the words or phrases listed below. Not all the choices will be used.The expression 5 and 7 are examples of .

A. like radicals
B. principal square root
C. rationalizing the denominator
D. conjugate


Answer: A

Mathematics

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Solve.Approximately 5 × 103 employees of a certain company average $30,000 each year in salary. What is the total amount earned by all the employees of this company per year? Write your answer in scientific notation.

A. $15 × 109 B. $15 × 108 C. $1.5 × 108 D. $1.5 × 109

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Find the reciprocal of the given number.- 

A.  
B. 7
C. -  
D. -  

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Find the derivative.f(x) = 

A. x-4/5
B. x1/5
C. x1/4
D. x-1/5

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Plot the point given in polar coordinates.

A.

B.

C.

D.

Mathematics