Two planes Intersect in a line ———-. A. Always B. Sometimes C. Never
1 answer:
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<h2>Answer: </h2>The correct answer is:
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<h2>Explanation:</h2>This is because when two lines cross each other, they intersect at one point.
When they're parallel, they never intersect, and when they're not parallel, they only intersect at one point.
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Step-by-step explanation:
Answer:
Choise B:
Step-by-step explanation:
For this exercise you must remember the multiplication of signs:
By definition, equivalent expression have the same value.
Then, you can find an equivalent expression to the expression provided in the exercise by simplifying it.
So, given:
To simplify it, you can distribute the negative that is located outside of the parentheses (in order to eliminate the parentheses).
Applying this procedure, you get the following equivalent expression:
Therefore, as you can notice, the expression obtained matches with the one shown in Choice B.