Provide an appropriate response.
The angles of elevation to an airplane from two points A and B on level ground are 53° and 71°, respectively. The points A and B are 2.8 miles apart, and the airplane is east of both points in the same vertical plane. Find the altitude of the plane.
A. 8.6 miles
B. 0.9 miles
C. 27.7 miles
D. 6.8 miles
Answer: D
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In the following question(s), FN represents the Nth Fibonacci number.F12/6 =
A. 8 B. 24 C. 2 D. 1 E. none of these
Find the perimeter.
A. 35 m B. 319 m C. 46 m D. 86 m
Find the vertex form for the quadratic function. Then find each of the following:(A) Intercepts(B) Vertex(C) Maximum or minimum(D) Rangem(x) = -x2 - 8x - 7
A. Standard form: m(x) = -(x + 4)2 + 9 (A) x-intercepts: - 7, -1; y-intercept: -7 (B) Vertex (4, -9) (C) Maximum: 9 (D) y ? 9 B. Standard form: m(x) = -(x - 4)2 + 9 (A) x-intercepts: - 7, -1; y-intercept: -7 (B) Vertex (-4, 9) (C) Minimum: 9 (D) y ? 9 C. Standard form: m(x) = -(x - 4)2 + 9 (A) x-intercepts: 1, 7; y-intercept: -7 (B) Vertex (-4, 9) (C) Maximum: 9 (D) y ? 9 D. Standard form: m(x) = -(x + 4)2 + 9 (A) x-intercepts: - 7, -1; y-intercept: -7 (B) Vertex (-4, 9) (C) Maximum: 9 (D) y ? 9
Solve the problem.Five friends drove at an average rate of 55 miles per hour to a weekend retreat. On the way home, they took the same route but averaged 70 miles per hour. What was the distance between home and the retreat if the round trip took 10 hours?
A. 616 mi
B. 5
mi
C. 308 mi
D. 2566
mi