Solve.In a particular city,  of the residents subscribe to the local newspaper. Write  as a percent.

A. 2.8%
B. 0.028%
C. 0.28%
D. 0.0028%


Answer: A

Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 

A. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
B. Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas 
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
D. Domain: all points in the xy-plane excluding x = 0; range: real numbers z ? 0; level curves: parabolas 

Mathematics

Determine if the argument is valid or a fallacy. Give a reason to justify answer.If it's Tuesday, then this must be Paris.Today is Wednesday.  This cannot be Paris.

A. Fallacy by fallacy of the converse B. Valid by reasoning of transitivity C. Fallacy by fallacy of the inverse D. Valid by modus tollens

Mathematics

Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with diameter 1.1 in.

A. 0.7 in.3  B. 0.4 in.3  C. 5.6 in.3 D. 1.3 in.3 

Mathematics

Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.

A. x - 5
B. x + 5
C.  - 5
D.  + 5

Mathematics