Solve the rational inequality. Express your solution on a number line using interval notation.
> 0
A. (-8, 2)
B. (-?, -8) or (2, ?)
C. (2, ?)
D. (-?, -8)
Answer: B
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Translate to an equation and solve.Find 10% of 300.
A. n = 1 × 300; 300 B. n = 0.1 × 300; 30 C. n = 0.01 × 300; 3 D. n = 0.001 × 300; 0.3
Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 147
B. 7
C. 7
D. 203
For a person at rest, the velocity v (in liters per second) of airflow during a respiratory cycle (the time from the beginning of one breath to the beginning of the next) is given by
What will be an ideal response?
where t is the time (in seconds).
(Inhalation occurs when v > 0 and exhalation occurs when v < 0.)
Select the graph of this velocity function.
Use a tree diagram to find the indicated probability.In the town of Cheraw, a certain type of laptop computer is sold at just two stores. Store A has 38% of the sales, 4% of which are of defective items, and store B has 62% of the sales, 2% of which are of defective items. A person receives one of these laptop computers as a gift. What is the probability it is defective?
A. 0.03 B. 0.014 C. 0.42 D. 0.028