Answer:
200 -20d
(Have a nice day)
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:
The relation is not a function.
Step-by-step explanation:
For a relation to be a function, each x value has to go to a different y value.
Each input has to go to a different output
There are two girls with the same age that have different heights. That means they have the same input with different outputs. This is not a function
Answer:
E
Step-by-step explanation:
The square root of 18 is about 4.2, which means that it is slightly larger than 4. The only letter on the number line that fits this description is letter E. Hope this helps!