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Kipish [7]
3 years ago
15

Find the point of intersection of the pair of straight lines Y= -7x - 4 -y = 8x + 9

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
4 0

Answer:

(-5,31)

Step-by-step explanation:

See image.

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when two trucks traveling in different directions approach each an intersection at the same time , on of the trucks must change
torisob [31]

This happens because the trucks move in one-dimension, while the airplanes move in 3 dimensions.

<h3></h3><h3>Why the trucks need to change direction or speed while the airplanes don't?</h3>

Well, the trucks move along a street. Thus, we can think that this is an one-dimensional kind of motion.

Where the trucks can go forward, backward, or get out of the line.

In the case of the airplanes, they can move actually in 3 dimensions (the airplane can go upwards, downwards, left, right, etc).

Now, in the one-dimensional case of the trucks there are only two directions (which are opposite) so if the trucks travel in different directions, then the trucks travel into each other, which would cause the collision.

While in the case of the airplanes more directions exists, so there isn't (necessarily) a collision.

If you want to learn more about motion:

brainly.com/question/26048315

#SPJ1

4 0
1 year ago
Simplify 6-12b divided by 3a-6ab
siniylev [52]

Answer:

\frac{2}{a}

Step-by-step explanation:

Given

\frac{6-12b}{3a-6ab} ← factor both numerator and denominator

= \frac{6(1-2b)}{3a(1-2b)} ← cancel common factor (1 - 2b) on numerator/denominator

= \frac{6}{3a} ← cancel 6 and 3 by 3

= \frac{2}{a}

7 0
2 years ago
Read 2 more answers
What the first four common multiples on 3 like for 2,4,6,8
maksim [4K]

Answer:

3,6,9,12

Step-by-step explanation:

Add 3 to every number after 3.

8 0
2 years ago
What are two numbers that has the product of 40 but has the sum of 13
Maksim231197 [3]

Answer:

8 and 5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the answer to 3-3x6+2
AlladinOne [14]
The answer must be -52 because I added parenthesis around -3 × 6 so it won't confuse people. I multiplied -3 and 6 and got -18. Then I multiplied -18 and 3 and got -54. I add -54 and 2 and got -52. Since there's more of negative than positive, I subtracted and got -52. Hope this helps :)
4 0
2 years ago
Read 2 more answers
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