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. 24; 135°
B. 24; 45°
C. 48; 315°
D. 24; 315°
Answer: D
Mathematics
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Solve and graph the inequality. Give answer in interval notation. ?
+
A. (3, ?)
B. (-?, 3)
C. [3, ?)
D. (-?, 3]
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Solve the equation.3(10 - 2x) = 81
A. {3} B. {2} C. {-3} D. {4}
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Use the graph of the function to estimate the x-intercepts.g(x) = -8x2 + 18x + 5
A. x = 0.25, x = 2.5 B. x = -2.5, x = 0.25 C. x = 5, x = 18 D. x = -0.25, x = 2.5
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Compute AB, if possible.A = and B =
A.
B.
C.
D.
Mathematics