An airplane travels a total distance of 5,585 kilometers on a trip. It travels 563 kilometers in the first 40 minutes of the trip. The airplane travels at an average speed of 837 kilometers per hour for the rest of the trip. How long does it take for the airplane to complete the entire trip?

6.67 hours

Step-by-step explanation: take 5585/837

6hrs 40 minutes

Step-by-step explanation:

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