Solve the inequality and graph the solution on the real number line.
?

?

A.


B.


C.


D.


E.



Answer: A

Mathematics

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Rationalize the numerator of the fraction.

A.
B.
C.
D.

Mathematics

Translate to a proportion and solve. When necessary, round to the nearest hundredth.60 is what percent of 48?

A. 130% B. 80% C. 125% D. 1.25%

Mathematics

Solve the problem.The time needed to repair a machine follows an exponential distribution with mean 33 minutes. What is the probability that the next repair of this machine will take 8 minutes or less?

A. 0.1615 B. 0.1722 C. 0.2583 D. 0.2153

Mathematics

Let S be the cube with vertices (±1,±1,±1). Approximate by using a Riemann sum as in Definition 1, taking the patches to be the squares that are the faces of the cube and the points to be the centers of the squares.

What will be an ideal response?

Mathematics