Answer:
16x
Step-by-step explanation:
4x+12x
Combine like terms
16x
There is no relationship between Miles and gallons.
Answer:
-9
Step-by-step explanation:
The in the first expression, y is to the -9'th degree, which means n is -9.
(If there are numbers of similar term multiplied together, the exponents are to be added.)
Answer:
a
Step-by-step explanation:
you see triangle DEF is equal to triangle FGH
you write down on the way of triangle DEF formed
you write down on the way of triangle FGH formed.
It has to be the same way.
so plug in the choices
b c and d are the same ways
but a didn`t
Answer:
A) Yes
B) No
C) No
D) No
Step-by-step explanation:
A) Yes, every telephone number that could occur in that community will have an equal chance of being generated because the telephone numbers were generated randomly.
B) No, this method of generating telephone numbers would not result in a simple random sample (SRS) of local residences because the first three digits were generated in a different random way than the last four digits.
C) No, this method would not generate an SRS of local voters because not everybody will be pick up when they call because they may not be at home or they may be too busy to pick up.
D) No, this method is not unbiased in generating samples of households because there will be nonresponse bias since not everyone will pick up the call
