?Assume that x and y are differentiable functions of t. Given 
, find 
when 
and
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
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Sketch the indicated graph.As an airplane passes near a radio tower, the strength of the signal it receives is described by the equation 
, 0.
Sketch the graph.
A. 
B. 
C. 
D. 
Use the inverse trigonometric keys on a calculator to find the measure of angle A, rounded to the nearest whole degree.
A. 29° B. 26° C. 28° D. 27°
Find the perimeter of the figure shown. Express the perimeter in the same unit of measure that appears on the given side or sides.
A. 103 yd B. 92 yd C. 87 yd D. 69 yd
Multiply.
?
?
A. 83.7 B. 8.37 C. -8.37 D. -14.27 E. -83.7