Solve the problem.If sin ? = 0.5, find the value of sin ? + sin (? + 2?) + sin (? + 4?).
A. 1.5
B. 1.5 + 6?
C. 0.5
D. 3.5
Answer: A
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The figure below is a regular hexagon ABCDEF with center O. (P, Q, R, S, T, and U are the midpoints of the sides.)
A glide reflection sends the point P to the point Q and the point U to the point T. The axis of reflection for this glide reflection is
A. the line through P and Q. B. the line through C and F. C. the line through T and U. D. the line through R and S. E. none of these
Find the center (h, k) and radius r of the circle with the given equation. x2 + (y + 1)2 = 144
A. (h, k) = (-1, 0); r = 12 B. (h, k) = (0, -1); r = 144 C. (h, k) = (-1, 0); r = 144 D. (h, k) = (0, -1); r = 12
How many distinguishable permutations of letters are possible in the word?TENNESSEE
A. 362,880 B. 7560 C. 3780 D. 81
Convert to decimal notation.- 1
A. -1.7
B. -0.17
C. -3.4
D. -1.