Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
A. 26, 120°
B. 39, 240°
C. 26, 240°
D. 39, 300°
Answer: A
Mathematics
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The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn at least $12 and less than $14 an hour?
A. 18 B. 20 C. 46 D. 16
Mathematics
Solve the problem.For approximately what values of x can cos x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.02289 B. |x| < 0.05886 C. |x| < 0.01442 D. |x| < 0.04162
Mathematics
Evaluate the expression.38 - 5 ? 3
A. 99 B. 53 C. 76 D. 23
Mathematics
Solve the equation. Express radicals in simplest form.4n2 = -10n - 5
A. 
B. 
C. 
D. 
Mathematics