Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of chlorine dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. What does the ordered pair (6, 28.4) mean in the context of this situation?
A. (6, 28.4) indicates that 6 ppm of chlorine was dissolved after 28.4 minutes elapsed.
B. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 10 minutes elapsed.
C. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 6 seconds elapsed.
D. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 6 minutes elapsed.
Answer: D
You might also like to view...
Use scientific notation to solve the problem.The distance from the earth to the sun is 9.29 × 107 miles. How long would it take a rocket, traveling at 2.9 × 103 miles per hour, to reach the sun?
A. 3.2 × 104 hr B. 3.2 × 103 hr C. 3.2 × 102 hr D. 3.2 hr
Find the square.(n + 12)2
A. n + 144 B. 144n2 + 24n + 144 C. n2 + 144 D. n2 + 24n + 144
Evaluate the expression for the given replacement values. Write the answer in simplest form.x ÷ y for x = 
, y = 
A. 
B. 9
C. 
D. 
Solve the problem.The surface area S of a spherical weather balloon is 4? times the square of the balloon's radius r. This can be represented by the equation S = 4?r2. What is the domain of the variable r?
A. (-?, ?) B. (4?, ?) C. (4, ?) D. (0, ?)