What is the probability that a person who was surveyed has less than $5 in his or her wallet? 11.51% 21.19% 78.81% 88.49%

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step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

47 - 90 = 43

43 - 180 = x

x = 137

step-by-step explanation:

im not sure what the answer is