Today stephy makes 40 dolls, and she make 10% less than yesterday , how many
doll - did she make yesterday ?

44 dolls

Step-by-step explanation:

Yesterday, Stephy made 36 dolls.

Step-by-step explanation:

1% of 40 is 0.4 so... 10% is 4

Then we can do 40-4 to get 36.

step-by-step explanation:

cats

hope it you

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