answer is 3 of this question
Answer:
a=2/10 x85
=17cm
b.3/10 x 85
=25.5cm
c.5/10 x 85
=42.5cm
the shortest piece is 17cm
Step-by-step explanation:
She used 29.8 feet of fencing for the fence -> The circumference of the circular garden is 29.8ft
Formula for circumference : 2πr
So, the radius is equal to : 29.8 : 2 : π = 4.74281730414... (round to 4.7)
Recheck : 4.7 x 2π = 29.5309709437... (close to 29.8)
2/3 thtas the number you are looking for
Answer:
(C) Sample: the 120 students surveyed. Population: the 1200 students at the high school. Parameter of interest: the average number of hours a student at this high school sleeps per night.
Step-by-step explanation:
The correct answer is (C). The sample is a subset of the population, and the parameter is a characteristic of the population of interest.