Solve the problem.The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose the the intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 11 miles? Round your answer to the nearest unit.
A. 228 units
B. 247 units
C. 264 units
D. 290 units
Answer: C
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A delivery truck must deliver furniture to 4 different locations (A, B, C, and D). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The repetitive nearest-neighbor tour starting with vertex A is given by:
A. A, D, B, C, A. B. A, C, B, D, A. C. A, D, C, B, A. D. A, B, D, C, A. E. none of these
Find the value of the variable that satisfies the equation.-40 + 3x = -2x
A. x = -7 B. x = 7 C. x = -8 D. x = 8
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.a = 26, b = 9, B = 10°
A. one triangle; A = 149.89°, C = 20.11°, c = 17.82 B. one triangle; A = 30.11°, C = 139.89°, c = 33.39 C. two triangles; A1 = 30.11°, C1 = 139.89°, c1 = 33.39 or A2 = 149.89°, C2 = 20.11°, c2 = 17.82 D. no triangle
Graph the polar equation.r = 5 - cos ?
A. 
B. 
C. 
D. 