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3 years ago

Please help please !!!!!!!!!!!

Mathematics

1 answer:

balu736 [363]3 years ago

3 0

8(2)-y=4
16-y=4d
-1y/-1=-12/-1
y=12

(16,12)

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Step-by-step explanation:

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3 years ago

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3 years ago

Points Pand Q lie in plane A. How many lines contain P

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The correct answer is :

1. Line PQ (One line PQ).

Step-by-step explanation:

The first step to solve this question is to draw the plane A with the points P and Q lying on it.

We know that given two different points there is only one line that contains this two different points.

Let's analyze each option.

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This option is wrong because there aren't two different lines. In fact it is only one line that can be named line PQ or line QP.

''3. The 2 lines PQ and QP plus another line that does not lie in plane A.''

This option is assuming that exist three lines that contain P and Q. This option is also wrong.

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This option is correct. It will be clarify with the drawing I will attach.

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This option is assuming that exist infinite lines that contain P and Q. This option is wrong.

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Given that P and Q lie in plane A necessarily the line L must lie on the plane A.

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3 years ago