A950 gallon swimming pool is being drained. after seven hours, 500 gallons have been drained. if the rate of drainage continues, how long will it take to drain the pool?

500/7 = 71.43 gallons per hour

950-500 = 450

450/71.43 = 6.3 more hours.

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.