The formula for area of a circle is A=rsquared*3.14. Divide 5.5/2 to get 2.75. Mulitply 2.75 times 2.75 to get approximately 7.56. Then, multiply that times 3.14 to get approximately 23.74.
Answer=23.74 yards
Answer:
If they drive an average of 60 miles per hour the last day it will take them 2.5 hours.
4 hours at 60 miles per hour = 4*60 = 240 miles
6 hours at 65 miles per hour = 6*65 = 390 miles
This is a total of 630 miles. There are 780-630=150 miles left; if they average 60 miles per hour, that would be 150/60 = 2.5 hours.
Step-by-step explanation:
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