Write the trigonometric expression as an algebraic expression containing u and v.sin(tan-1 u - tan-1 v)
A. 
B. 
C. 
D. 
Answer: B
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A ball is tossed upward and then falls to the ground. Its height after t seconds is given by the function 
. At the time the rock reaches its peak, what can be said about 
?
?
A. is positive.
B. is negative.
C. is zero.
D. None of the above
Find the missing parts of the triangle.B = 63.50°a = 12.20c = 7.80
A. No triangle satisfies the given conditions. B. b = 12.17, A = 75.12°, C = 41.38° C. b = 13.17, A = 73.12°, C = 37.38° D. b = 11.17, A = 77.82°, C = 38.68°
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?
Solve.A triangular region has a perimeter of 91 meters. The first side is two-thirds of the second side. The third side is 13 meters shorter than the second side. What are the lengths of the three sides of the triangular region?
A. first side = 26 m; second side = 39 m; third side = 26 m B. first side = 39 m; second side = 26 m; third side = 26 m C. first side = 13 m; second side = 39 m; third side = 39 m D. first side = 26 m; second side = 39 m; third side = 52 m