20 minutes is 1/3 of an hour, so an hour can be split into 3 20 minute sections.
They run 4 miles each 20 minute section equals 4 x 3 = 12 miles per hour.
Answer:
Since 81° is less than 90, we can express this in terms of a cofunction. sin(θ) = cos(90 - θ) sin(81) = cos(90 - 81) sin(81) = cos(9)
Step-by-step explanation:
The value of 5 units as a fraction greater than 1 is 5x>1x>.2.2=2/10 Answer is 2/10 you welcome!