Find percent notation for the number in decimal notation.In one city, 0.820 of those polled said they would not vote for the incumbent in the upcoming congressional election.

A. 0.0820%
B. 8.2%
C. 82%
D. 0.820%


Answer: C

Mathematics

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Use the given information to find the exact value of the trigonometric expression.cos ? = - ; csc ? < 0Find cos(2?).

A. - 
B.
C.
D.

Mathematics

Determine whether the given relationship represents a function.Over a 10-year period, the daily high temperature measured in a city is related to the month and day on which the measurement is made.

A. Not a function B. Function

Mathematics

A solution is an acid if its pH is less than 7 and a base if its pH is greater than 7. The pH is defined by  where [H+] is the concentration of hydrogen ions in the solution. Use this information to answer the question.A mixture has a pH of 5.1. Find the concentration of hydrogen ions [H+] in the mixture. Is the mixture an acid or a base?

A. 105.1, acid B. 10-5.1, acid C. 10-5.1, base D. 105.1, base

Mathematics

Multiply and simplify. ? 

A. - 
B.
C.
D. -12

Mathematics