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gregori [183]
2 years ago
6

Two lines are if one is vertical and the other is horizontal or the slopes of the lines are negative reciprocals of each other

Mathematics
1 answer:
Varvara68 [4.7K]2 years ago
6 0

Answer:

Then these two lines are perpendicular.

Step-by-step explanation:

The definition of perpendicular lines are that they have negative and reciprocal slopes. Therefore, these two lines would fit this definition and would be perpendicular.

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What is the solution of the system of equations?
Charra [1.4K]
When we are given a system of 3 linear equations, with 3 variables, we proceed as follows:

We consider 2 pairs or equations, for example (1, 2) and (2, 3), and eliminate one of the variables in each pair, creating a system of 2 linear equations with 2 unknowns. 

Note that the third equation contains -2y which can be used to eliminate easily -6y in the second equation, and -4y in the fourth.

i) consider equations 1 and 3:

-3x-4y-3z=-7
5x-2y+5z=9

multiply the second equation by -2:

-3x-4y-3z=-7
-10x+4y-10z=-18

adding the 2 equations we have -13x-13z=-25

ii) consider equations 2 and 3. Multiply the third equation by -3:

    2x-6y+2z=3
-15x+6y-15z=-27

adding the 2 equations we have -13x-13z=-24

So we got -13x-13z is -25, but also -24. this means the system is inconsistent, so it has no solution.

Answer: the system has no solutions
4 0
2 years ago
The Luxor hotel, in Las Vegas, is a square pyramid with lateral faces consisting of black, glassed mirrored panes. The building
rusak2 [61]
2998 feet of glass was needed to cover the pyramid. You add 646 plus 350 and multiply by 3, which is the side length of the pyramid. (Pyramids or triangles have 3 sides.)
7 0
3 years ago
HELP QUICK<br><br> For each statement about owners of equity in a business, select True or False.
wariber [46]
True I am guessing or maybe false but I think it is true
5 0
1 year ago
Hat is the surface area of the triangular prism?
ivolga24 [154]

Answer:

<h3>900000</h3>

Step-by-step explanation:

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6 0
2 years ago
Please help urgently ​
Andreyy89

Hey there!

2ab + 2 / 2ab - 2

= 2(1)(3) + 2 / 2(1)(3) - 2

= 2(3) + 2 / 2(3) - 2

= 6 + 2 / 6 - 2

= 8 / 4

= 2


Therefore, your answer should be: 2


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

6 0
10 months ago
Read 2 more answers
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