Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.A cruise boat travels 84 miles downstream in 3 hours and returns upstream in 12 hours. Find the rate of the stream.
A. 17.5 mph
B. 28 mph
C. 45.5 mph
D. 10.5 mph
Answer: D
Mathematics
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Solve the problem.Devise a preference schedule with three candidates in which the top-two runoff system violates Fairness Criterion 3. Explain.
What will be an ideal response?
Mathematics
A frequency distribution table contains what kind of information?
a. The bandwidth of a filter. b. The magnitude of measured values. c. The number of times a value appears in the data. d. Both b and c above.
Mathematics
Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 (-0.2171)
A. 12.54° B. 12.25° C. 102.54° D. -12.54°
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 4
B. 5
C. 6
D. 5
Mathematics