Shawn and ellie are construction workers. shawn can complete a concrete job in 4 hours, while ellie can complete it in 6 hours. the foreman says that it will take them 5 hours to complete it if they work together. explain each step in solving this equation, and determine if the foreman is correct or not.

9.55 degrees.

step-by-step explanation:

the given angle is

1 cycle is equal to 2π radians. so 4π will be equal to two cycles.

5.166667π-4π = 1.166667π

hence, this angle goes a little more than negative x axis.

1.166667π-π= 0.166667π

hence, the reference angle is 0.166667π radians.

1 radian = 57.2958 degrees

now, in degrees, this should be equals to 9.55 degrees.

one that is bigger than 3 1/2