Solve the problem.A rotating beacon is located 14 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 = 14|sec 2?t|,where t is in seconds, find a when t = 0.31 seconds. Round your answer to the nearest hundredth.
A. -38.03 ft
B. 24.91 ft
C. 31.47 ft
D. 38.03 ft
Answer: D
Mathematics
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Use values from the compound interest table to find the compound amount. Round to the nearest cent.$7,670 at 8% compounded semiannually for 12 years
A. $19,314.36 B. $15,033.20 C. $12,279.92 D. $19,660.51
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Solve the problem.Find the volume of a box 8.0 cm × 8.6 cm × 5.1 cm. (Round results to the nearest tenth.)
A. 326.4 cm3 B. 223.7 cm3 C. 591.7 cm3 D. 350.9 cm3
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Find the solutions to the system of equations by the addition method. -
= -
=
A. (, 3)
B. (- , 3)
C. (- , -3)
D. (, -3)
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Find dy/dx by implicit differentiation.-5xy + 2y - 8 = 0
A.
B.
C.
D.
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