Provide an appropriate response.True or false? The equation (x + 16)2 = 0 has exactly one real solution. If false, give the correct number of real solutions.
A. False; three
B. False; two
C. False; zero
D. True
Answer: D
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Compute r, the linear coefficient of correlation, for the given data.Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results.
A. 0.115 B. 0.471 C. 0.986 D. -0.280
Provide an appropriate response.Melinda received a salary of $560 which included an 8% raise. How much was her salary before the raise?
Fill in the blank(s) with the appropriate word(s).
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2 x + cos x - 1 = 0
A. {51.8°, 308.2°} B. {49.8°, 130.2°, 229.8°, 310.2°} C. {70.5°, 109.5°, 180°} D. {103.2°, 145.2°, 283.2°, 325.2°}
Solve the problem.Junior high classes of 30 students each met in the cafeteria to take achievement tests. If exactly 5 students sat at each table and 18 tables were used, how many classes took the tests?
A. 6 classes B. 5 classes C. 16 classes D. 3 classes