If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 12.9 feet, ? = 20.573°, A = ?
A. 62.76 ft2
B. 29.88 ft2
C. 59.76 ft2
D. 32.88 ft2
Answer: B
You might also like to view...
Write a mathematical expression for the word phrase.Ninety-four is greater than or equal to ninety-four
A. 94 = 94 B. 94 ? 94 C. 94 > 94 D. 94 < 94
Solve the problem.At noon, ship A was 14 nautical miles due north of ship B. Ship A was sailing south at 14 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 8 knots and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?
A. No. The closest they ever got to each other was 6.9 nautical miles. B. Yes. They were within 3 nautical miles of each other. C. Yes. They were within 4 nautical miles of each other. D. No. The closest they ever got to each other was 7.9 nautical miles.
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 2x - 3
A. Vertex: (1, - 4);
x-intercepts: (-1, 0) and (3, 0);
y-intercept: (0, -3)
B. Vertex: (1, - 4);
x-intercepts: (1, 0) and (3, 0);
y-intercept: (0, -3)
C. Vertex: (- 1, - 4);
x-intercepts: (-3, 0) and (1, 0);
y-intercept: (0, -3)
D. Vertex: (- 1, - 4);
x-intercepts: (-3, 0) and (1, 0);
y-intercept: (0, 3)
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Would you be liable to get a traffic ticket traveling at 46 mph in a 65-kph speed zone? If so, by what amount in miles per hour would you have exceeded the limit? Round your result to the nearest mile per hour.
A. Yes. 6 mph B. Yes. 74 mph C. Yes. 9 mph D. No.