lexipooh7894
01.10.2019 •
Mathematics
Which of the following pairs are perpendicular? select all that apply.
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Ответ:
1st is parallel
2nd is perpendicular
3rd is perpendicular
4th is parallel
5th is perpendicular
6th is perpendicular
2nd, 3rd, 5th, and 6th
Ответ:
Step-by-step explanation:
The given equations are:
Multiplying the Equation 2 with -2, we get:
Adding Equation 1 and Equation 3, we get:
Using this value of y, in either of the equations will give the relation independent of y.
Using the value of y in Equation 2, we get: