Answer:
W = 15 ft. and L = 30 ft.
Step-by-step explanation:
Perimeter = 90 ft.
Twice as long as it is wide: L=2W
P = 2(L + W) = 2(2W + W) = 6W
90 = 6W
W = 15 ft. and L = 30 ft.
Evaluating the expression 11C3 is very simple to do.
If you are assuming that C is the notation for the combination.
11!
11C3= ____
3!(11-3)!
Answer:
85.25
Step-by-step explanation:
155 x (11/20) =85.25 feet
So she walks at least 3 times.The distance is 600 meters
So 600·3=1800 meters= 1 kilometers and 800 meters-she going in the single day.