Solve.A wastewater treatment operator uses the formula A = 8.34FC to determine the amount A of chlorine in pounds to add to a basin. The flow F through the basin is in millions of gallons per day, and the desired concentration C of chlorine is in parts per million. If 2200 pounds of chlorine is added to a basin with a flow rate of 10.4 million gallons per day, what would be the resulting concentration?
A. 25.36 ppm
B. 19.08 ppm
C. 211.54 ppm
D. 117.39 ppm
Answer: A
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Consider the functions f and g as shown in the graph. Answer the question.What is the domain of f ? g?
A. {
-3 ? x ? 4}
B. {
-3 ? x ? 3}
C. {
-1 ? x ? 4}
D. {
-1 ? x ? 3}
Solve the problem.A hardware store had monthly sales of $119,600 and spent 20% of it on freight costs. How much was spent on freight costs?
A. $239,200 B. $59,800 C. $23,920 D. $598,000
A woman at a point A on the shore of a circular lake with radius 4mi wants to arrive at the point C diametrically opposite on the other side of the lake in the shortest possible time. She can walk at the rate of 6mi/h and row a boat at 2mi/h. How should she proceed? (Find ?). Round the result, if necessary, to the nearest hundredth.
Use a calculator to find a graphical solution to the equation. Express results to the nearest thousandth.x2 + 6x - 37 = 0
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