Solve the problem.A wildlife researcher is monitoring a black bear that has a radio telemetry collar with a transmitting range of 21 miles. The researcher is in a research station with her receiver and tracking the bear's movements. If we put the origin of a coordinate system at the research station, what is the equation of all possible locations of the bear where the transmitter would be at its maximum range?
A. x2 + y2 = 42
B. x2 + y2 = 441
C. x2 + y2 = 21
D. x2 - y2 = 21
Answer: B
Mathematics
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Provide an appropriate response.Find ? if cos ? = 0.6896 rounded to the nearest tenth of a degree.
A. 0.8° B. 42.6° C. 34.6° D. 46.4°
Mathematics
Write as a decimal.
%
A. 7.1818 B. 0.0718 C. 0.7182 D. 7.0018
Mathematics
Determine whether the points A, B, C and D form a parallelogram.A(-1, 6); B(2, 9); C( 4, 1); D(7, 4)
A. Yes B. No
Mathematics
Solve.The function s(t) = 16t2 models the distance, s(t), in feet, that an object falls in t seconds. Find the number of seconds a sky diver is in free fall after jumping from a plane if she falls 1152 feet before opening a parachute. Express your answer in simplified radical form.
A. 96
sec
B. 288 sec
C. 6
sec
D. 72 sec
Mathematics