Answer:
The sampling used by Britney is stratified sampling.
Step-by-step explanation:
The type of sampling used is stratified sampling.
In stratified sampling the population is divided into groups by the researcher.
Stratified sampling has the advantage that the researcher can reduce or the sample size to get results that meet a certain precision or increase the sample size to get results that are more accurate.
In the given case the the day is first divided into three parts: morning, afternoon and evening.
Then in each part is again divided into two randomly selected times during each part of the day in which she measures her mood.
Answer:
, smaller integer is 8.
Step-by-step explanation:
Given:
The product of two consecutive integers is 72.
The equation x(x+1)=72 represents the situation, where x represents the smaller integer.
Question asked:
Which equation can be factored and solved for the smaller integer ?
<u>Solution</u>:
can be factored and solved for the smaller integer, and that is 8.
Two consecutive integers are 8 and 9 and their product is 8 9 = 72
I believe it is 100°. sorry if it’s wrong :(
Answer:
B. √6
Step-by-step explanation:
Irrational number is a number that cannot be expressed in a form of fraction
2.5 = 5/2
√6 = 2.49...
1/2 = 1/2
√9 = 3/1