Answer:
Step-by-step explanation:
v=d/t (average velocity equals distance divided by time)
26.2mi/5.8h=4.5mi/h
So Mackenzie runs approximately 4.5 miles in an hour (rounded to nearest tenth of a mile)
Alrighty, so, without the picture and the clues given I'm going to assume the image you have looks like two angles coming from the middle of a straight line. A straight line is equal to 180 degrees. 180 degrees minus 168 degrees equals 12.
B, 190.
First you find the area of the circle (pi times radius squared) however, since you are given diameter, you must find radius by dividing diameter by 2. So, your radius is 9, then you plug it into the formula and you get 254.5. After multiplying this by 0.75 because you only want to find 75 percent of the area, you get the answer of 191m
