hncriciacheichi
18.11.2020 •
Mathematics
What is the greatest common factor of the terms in the expression 21 x minus 18 x + 28 x y?
3
3x
x
xy
Solved
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Ответ:
3 does not go into 28, so 3 is not an option. Only one term has a y, the other two do not. Y is not an option.
The answer is x.
Ответ:
~q → p
Step-by-step explanation:
Implication (p → q) has a truth table identical to that of ~p+q.
So, the implication ~p → q has a truth table identical to that of p+q.
Of the offered choices, the only one that has the identical truth table is ...
~q → p