Answer:
14. It is biased, because the store manager sends the survey to a customer who registered. I will send the survey to a customer who is not registered and who is new to the store.
15. This is unbiased, because they chose the students randomly.
Step-by-step explanation:
Answer:
Hypothesis is: Intersection happens at a point
Step-by-step explanation:
A hypothesis in science is a suggested explanation of something that has a consequence or leads to an occurrence. Usually it will be written in the form of an "if and then" statement.
Such statement explains what would occur, or follow if the possibility enunciated in the "if" part of the statement happens.
In this case the hypothesis is that if there is intersection of lines, it has to occur at a point. Therefore the closest to that statement among the options given in the problem is the last one: "Intersection happens at a point"
Answer:
Step-by-step explanation:
in exponential function range=(0,∞)
suppose y=a^x
if x=-∞,y→0
if x→∞,y→∞
For the 180 turn multiply the x/y by -1
4,-3 = -4,3
for the 90 turn you switch the x and the y and multiply by -1
4,-3 = 3,-4