Kyle charges 50¢ for a cup of lemonade. kyle can represent the total sales for the day using the expression 50c. kyle is thinking about charging an additional 25¢ per cup. which expression would represent the total sales at the new price? a. 25c b. 75c c. 25 × 75 d. 25 × 50
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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

3.how is solving radical equations different than solving linear equations?

step-by-step explanation: