Finding a percentage of a total amount: Real-world situations Lella started to run on a treadmill after setting its timer for 78 minutes. The display says that she has finished 66% of her run. How many minutes
have gone by? Round your answer to the nearest tenth.

51 minutes and 5 seconds

Step-by-step explanation:

78 x .66 = 51.48

51.48 rounded to the nearest tenth is 51.5

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8 apples are left.

step-by-step explanation:

10-2=8

10 apples

take 2

now u have 8

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