Solve the problem.A rotating beacon is located 5 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 5
, where t is in seconds, find a when t = 0.40 seconds. Round your answer to the nearest hundredth.
A. 16.18 ft
B. 11.18 ft
C. 6.18 ft
D. -6.18 ft
Answer: C
Mathematics
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Solve the problem.A piece of cable which is 
m long is to be cut into pieces 
m long. How many pieces will there be?
A. 50 pieces
B. 4 pieces
C. 
piece
D. 20 pieces
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Find the exact solutions to the quadratic equation in the complex numbers.5x2 + 55 = 0
A. ± i
B. ±
C. 27.5
D. ±11i
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Multiply using the FOIL method.(4x - 2)(x + 5)
A. x2 - 10x + 18 B. 4x2 + 17x - 10 C. 4x2 + 18x - 10 D. x2 + 18x + 17
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