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Arisa [49]
1 year ago
6

Which of the following mathematical symbols represents “the opposite of”?what do they mean

Mathematics
1 answer:
Lunna [17]1 year ago
5 0

The negative sign show the change in direction, that is the opposite side of the value.

In the number line, 1 is the opposite of -1, that is the digit from the left side is the opposite value of the right side.

Consider an object P is moving in positive x direction than on moving the object into its opposite direction, it will move along the negative x axis.

Answer : A) -

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10. 2x + 7y = 1<br> 2x - 4y = 12<br> Solve for y
adoni [48]

Answer:

The solution for y = -1.

Step-by-step explanation:

Given:

2x\ +\ 7y\ =\ 1    ....(1)

2x\ -\ 4y\ =\ 12  ....(2)

So, to solve for y, first we solve for x in equation (2):

2x-4y=12

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Dividing both sides by 2,

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Now, substituting the value of x  in equation (1):

2x+7y=1

⇒2(6+2y)+7y=1

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Dividing both sides by 11,

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Step-by-step explanation:

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