Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 15; 157.4°
B. 13; 112.6°
C. 13; 157.4°
D. 13; 22.6°
Answer: C
Mathematics
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Tell whether the statement is true or false. If false, give the reason.{x|x is a counting number greater than 37} = {37, 38, 39, . . .}
A. False; 37 is not a counting number. B. False; 37 is not greater than 37. C. False; 37 is less than any element in the set. D. True
Mathematics
Simplify.
+ 
(0.06)
A. 0.29 B. 1.79 C. 0.055 D. 0.23
Mathematics
Name the quadrant or axis in which the point lies.(-6, -7)
A. quadrant I B. quadrant II C. quadrant III D. quadrant IV
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
A. 100,000 B. 10,000 C. 1000 D. 40
Mathematics