Find the exact value for x in the interval 
that satisfies the equation. sin (x) = 
A. 
B. 
C. - 
D. - 
Answer: B
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Solve the problem. If necessary, round to the nearest tenth.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin ?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.6 kilogram and ? = 30°?
A. 5.8 N B. 5.1 N C. 2.7 N D. 2.9 N
The graph of the equation is a line. Use a graphing utility and a standard viewing window to graph the equation.5x - 4y = 4
A. 
B. 
C. 
D. 
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 
, x = - 
B. x = 45
C. x = 5
D. none
Find the area of the SSS triangle ABC. If necessary, round the answer to two decimal places.a = 4, b = 5, c = 7
A. 10.01 B. 16.01 C. 3.46 D. 9.80