Answer:
240.625
Step-by-step explanation:
Circumference = 55 m. = 2pi*r
Radius of enclosure, r = 55/(2pi)
Area of enclosure
= pi (r^2)
= pi (55/2pi)^2
= 55^2/(4pi)
=3025/4pi
substitute pi = 22/7
= 1925/8
= 240.625
37% get less than 8 hours of sleep, 100%-37%=63%
63% get 8 hours or more per night:
(0.63)(2200)=1386
ANSWER: You would expect 1386 to get 8 or more hours of sleep per night.
Answer:
Step-by-step explanation:
a=0 if both x and y are each =0
for all other real values a>0
