Provide an appropriate response.Why is 9 called a triple solution to the equation (x - 9)3 = 0?
What will be an ideal response?
(x - 9)3 = (x - 9)(x - 9)(x - 9), 9 is a solution to each of the 3 products.
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Type A grain containing 15.00% protein is mixed with type B grain containing 26% protein to make 1252 pounds of feed. The resulting mixture is to contain 23% protein. A: If we use ?a pounds of type A grain and ?b pounds of type B grain, write a system of two equations that determine the amounts of each that go into the mixture. Round your answers to two decimal places, if necessary.B: How much grain of each type goes into the mixture? Round your answers to two decimal places, if necessary.
What will be an ideal response?
Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?
Solve the problem.Two tracking stations are on the equator 148 miles apart. A weather balloon is located on a bearing of N 41°E from the western station and on a bearing of N 21°E from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 382 mi B. 413 mi C. 373 mi D. 404 mi
Graph the solution of the system of inequalities.
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A. ?
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B. ?
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C. ?
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D. ?
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E. ?
