Solve the problem.The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 13 miles? Round your answer to the nearest unit.
A. 189 units
B. 215 units
C. 153 units
D. 172 units
Answer: A
Mathematics
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Solve the problem.Suppose that the x-intercepts of the graph of y = f(x) are 9 and 2. What are the x-intercepts of
A. 63 and 14 B. 2 and -5 C. 9 and -5 D. 16 and 9
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Provide an appropriate response.What is the domain of the function y = x?
A. (-?, ?) B. [0, ?) C. (0, ?) D. (-?, 0)
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Identify the digit with the given place value.275.668ones
A. 5 B. 6 C. 70 D. 0.6
Mathematics