Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(B ? A)

A. True
B. False


Answer: A

Mathematics

You might also like to view...

Solve. If the area of a square is represented by the expression  find an expression for the length of each side.

A. (2x - 7)2 B. 2x + 7 C. (2x - 7)(2x + 7) D. 2x - 7

Mathematics

Provide an appropriate response.Determine which equation corresponds to the graph.

A. y = -2 B. x = -2 C. y = x - 2 D. y = -2x

Mathematics

Express the statement as an equation involving the indicated variables.The volume V of a sphere is  times ? times the cube of the radius r.

A. V = 
B. V = ?r
C. V = ?r3
D. V = ?r2

Mathematics

Solve the problem.The roof of a building is in the shape of the hyperbola  where x and y are in meters. Determine the distance, w, the outside walls are apart, if the height of each wall is 8 m.

A. 10.9 m B. 6 m C. 3 m D. 9 m

Mathematics