Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 7i - 4j, w = 2i - 9j
A. 141.8°
B. 129.3°
C. 47.7°
D. 15.4°
Answer: C
Mathematics
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A. 16x2 - 9y2 = 144 B. 9x2 + 16y2 = 144 C. 9x2 - 16y2 = 144 D. 16x2 + 9y2 = 144
Mathematics
Find the perimeter of the polygon.Trapezoid
A. 74 m B. 40 m C. 29 m D. 253 m
Mathematics
Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}(A ? B)'
A. {1, 2, 3, 4, 5, 6, 7, 9, 11, 12} B. {7, 9, 11} C. {1, 3, 5, 12} D. {2, 3, 4, 5, 6, 7, 9, 11}
Mathematics
In addition to being congruent, how are the diagonals of a square related?
What will be an ideal response?
Mathematics