Tally is playing 5 rounds of golf. Her first 4 scores were 86, 74, 81, and 80. To end up with an average score of at most 77.8, what is the highest score Tally can shoot in her fifth round?

The score Tally had on herd fifth round was 89

Step-by-step explanation:

The mean of 86, 74, 81 and 80 is 80.25

Using the process of elimination i figured that the fifth round Tally scored 89

Hope it helped (●'◡'●)   o(〃＾▽＾〃)o

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

1 and 0

step-by-step explanation: