Answer:
Step-by-step explanation:
<1=180°-74° so <1=126°
<2=180°-90° so <2=90°
<3=180°-116° so <3=64°
<4=180°-65° so <4=115°
by using ° =(3)180°/5 -<1 -<2 -<3 -<4 =<5
you find out the last.
Answer:
~75.4 ft
Step-by-step explanation:
C = 2*pi*r = pi*d = pi*24 = ~75.4 ft
C: circumference
r: radius
d: diameter
pi = ~3.14
Answer: 0.0107
Step-by-step explanation:
Given : The time for the event for boys in secondary school is known to possess a normal distribution with
Let x be the random variable that represents the time for mile run in its secondary-school fitness test.
z-score :
Now, the probability that a randomly selected boy in secondary school can run the mile in less than 322 seconds is given by :-
Hence, the probability that a randomly selected boy in secondary school can run the mile in less than 322 seconds = 0.0107