Answer:
The last option,
"Get a list of all the salons in her town and use a deck of cards to pick five of them to visit. Survey all the hairstylists that work at each salon."
Step-by-step explanation:
When choosing a survey, we want to ensure not only that the survey is time-effective and cost-effective, but that it is representative of the entire population.
Just choosing the salons close to her house would not necessarily be a good representation of the entire town.
Choosing salons that celebrities go to creates bias in the survey as well, as does choosing only the salons she and her friends go to.
However, finding a list of all salons and using a deck of cards to represent it creates a random sample; this helps to eliminate bias and ensure the sample is representative.
300 dimensions of the room
Answer:
x= - 1/7
Step-by-step explanation:
Answer:
Step-by-step explanation:
Step one:
given data
we are told you earn $1200
the linear function for the cost is expressed as
y=1200x-----------------1
Step two:
We want to bring out the following information
Independent: The number of screens which is x
Dependent: The total revenue which is y
Function: y=1200x
What is a dependent variable?
This is a variable that rely on the value of other terms
What is a independent variable?
this is a variable that does not rely on other terns
Answer: they are similar because of the same side lengths
Step-by-step explanation: