Determine if the argument is valid.All students who study get better grades.
Roger gets better grades.
A. Invalid
B. Valid
Answer: B
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Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when L = 4 inches?
A. 3 sec B. 1 sec C. 2.5 sec D. 2.75 sec
Solve the problem.Refer to the following preference schedule. If the Borda count method is used to determine the winner, is Fairness Criterion 1 satisfied?
A. Yes B. No
Determine all values for the digit x that make the first number divisible by the second number. If none exist, so state. 74,3x2 is divisible by 6.
Fill in the blank(s) with the appropriate word(s).
Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 2.5 inches of rain occurred in 1959; the maximum of 9.7 inches of rain occurred in 1938.The third quartile of the rainfall distribution is approximately
A. 5.3 inches. B. 6.5 inches. C. 5 inches. D. 6.9 inches. E. none of these