Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = i - j, w = 2i + 4j
A. 116.6°
B. -18.4°
C. 18.4°
D. 108.4°
Answer: D
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Provide an appropriate response.Which of the following voting methods always satisfies Fairness Criterion 2?
A. Sequential runoff B. Borda count C. Plurality D. Pairwise comparison
Provide an appropriate response. Write the equation in standard order and identify the values that represent a, b, and c: 2x2 = Bx + r2
A. 2x2 - Bx - r2 = 0; a = 2, b = 1, c = - r2 B. 2x2 - Bx - r2 ; a = 2, b = B, c = - r2 C. 2x2 - Bx - r2 = 0; a = 2x2, b = Bx, c = - r2 D. 2x2 - Bx - r2 = 0; a = 2, b = -B, c = - r2
Describe the given set of points with a single equation or with a pair of equations.The circle in which the plane through the point (5, 6, 9) perpendicular to the x-axis meets the sphere of radius 13 centered at the origin.
A. y 2 + z2 = 169 and x = 5 B. y 2 + z2 = 119 C. y 2 + z2 = 144 and x = 5 D. x2 + y 2 + z2 = 169
Find the absolute value.|-77|
A. 77
B. -77
C. 
D. 0