Find the exact value. If the value of the function is not defined, write undefined.cos(-540°)

A. -1
B. 0
C. Undefined
D. 1


Answer: A

Mathematics

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Solve the equation from the table.



A) x = 1
B) x = 12
C) x = 4
D) x = 3
E) x = 21

Mathematics

Provide an appropriate response.Explain how you divide a decimal number by a power of ten.

What will be an ideal response?

Mathematics

Perform the operation indicated. ? 

A. - 
B.
C.
D. - 

Mathematics

Provide an appropriate response.Dublin is experiencing a population movement out of the city to the suburbs. Currently 85% of the total population live in the city with the remaining 15% living in the suburbs. It has been shown that each year 7% of the city residents move to the suburbs, while only 1% of the suburb population move back to the city. Assuming population remains constant for both, what percent of the total will remain in the city after 2 years. Express your answer rounded to hundredths of a percent.

A. 79.2% B. 73.86% C. 31.05% D. 26.14%

Mathematics