Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 0.6 rad, r = 112 ft
A. S = 67 ft, A = 3764 sq ft
B. S = 62 ft, A = 3762 sq ft
C. S = 67 ft, A = 3762 sq ft
D. S = 66 ft, A = 3764 sq ft
Answer: C
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. Rearrange the formula to find A.
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Solve the problem.Determine whether (2, 8, -3) is a solution of the system 3x - 4y - 2z = -20 4x + y - z = 19 x - 2y + 3z = -23.
A. No B. Yes
Find the vertices and the foci of the given ellipse.81x2 + 36y2 = 2916
A. V: (0, 81), (36, 0)
F: (0, 9), (6, 0)
B. V: (0, -9), (0, 9);
F: (0, - 3
), (0, 3
)
C. V: (-9, 0), (9, 0);
F: (- 3
, 0), (3
, 0)
D. V: (0, -81), (0, 81);
F: (0, -9), (0, 9)
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A. 4((c + d)2 + 4f)((c + d)2 - 4f) B. (c + d + 4f)(c + d - 4f) C. 4(c + d + 4f)(c + d - 4f) D. ((c + d)2 + 4f)((c + d)2 - 4f)