Solve the problem.A surveyor standing 55 meters from the base of a building measures the angle to the top of the building and finds it to be 35°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 49°. How tall is the radio tower?
A. 9.96 m
B. 13.71 m
C. 8.97 m
D. 24.76 m
Answer: D
Mathematics
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Solve the equation.4x - 2 = 34
A. {32} B. {36} C. {10} D. {9}
Mathematics
Find the indicated term or coefficient of the binomial expansion.Find the 4th term of the expansion of (s - t)10.
A. -120s7t3 B. - s7t3 C. s6t4 D. 210s6t4
Mathematics
Find the quadratic function whose graph contains the given points.
, 
, 
A. f(x) = -3x2 - 2x - 2 B. f(x) = -3x2 + 2x - 2 C. f(x) = -3x2 - 2x + 2 D. f(x) = 3x2 - 2x - 2
Mathematics
Solve the problem.A continuous random variable X has PDF f(x) = 
x2(8 - x), 
Find E(X3).
A. 
B. 
C. 
D. 
Mathematics