The formula shown can be used to find A, the amount of money Raul has in his saving account. A=P+\Pr tA=P+Prt

Raul wants to find r, the rate of interest his money earns. Which equation is correctly solved for r

step-by-step explanation:

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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

correct answer is b. 27/8

step-by-step explanation:

3

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