Answer:
1/3x^2+1/8
Step-by-step explanation:
simplify the equation to 1/8+1/3x^2
The experimental probability is
(number of times it stopped over Sect. 2) / (total number of times you tried it)
Number of times it stopped in Section-2: 36
Total number of times you tried it: (20 + 36 + 24) = 80
Experimental probability of Section-2 = 36/80 = 9/20 = 45%
Answer:
60
Step-by-step explanation:
distance=80*45/60
=80*0.75
=60km
Answer:
11 years old
Step-by-step explanation:
If four brothers have the average age 6, then the sum of their ages is

years.
Let x years be the age of sister. If four brothers and their sister have the average age 7, then

Multiply this equation by 5:

The sister is 11 years old.
Answer:
7 , 5 , 9
Step-by-step explanation: