Tinytrevi7430
07.03.2021 •
Mathematics
Q10 plz I need the answer asap
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Ответ:
(6P-4M)(6P+4M)
Step-by-step explanation:
6*6=36 and 4*4=16; P*P=P^2 and M*M=M^2 -- from this we know that the two variables on each side of the minus sign are perfect squares. Now, see
as 
to make it fit nicer to the formula.
So,
.
If you forget the formula, you can always go backward on multiple-choice questions like this one. Use FOIL to expand your factored answers.
Ответ:
a. Whether the student attended a workshop. Neither
b. Number of workshops attended. Explanatory variable
c. Whether the student passes the course. Response variable
Step-by-step explanation:
In a given experiment, the response variable addresses the core of the question that was asked. In the experiment above, we are trying to determine the passing rate. That is the response variable. The explanatory variable provides an explanation for the response.
The number of workshops attended by the students would provide an explanation of their passing rates. Whether the student attended a workshop is not a consideration in the experiment, because it is believed that they would attend the workshop.