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sertanlavr [38]

3 years ago

8

Is (1,-4) a solution to the equation y=-2x

2 answers:

g100num [7]3 years ago

7 0

No, the solution to the equation would have to have an x value, the first term in the parentheses, have the value of the y value, the second term in the parentheses.

PolarNik [594]3 years ago

3 0

To figure this out, plug (1, -4) into the equation y=-2x. 1 is the x value, so we plug it into the x. -4 is the y value, so we plug it into the y spot. In the end we get -4=-2(1). Is this true? No, it isn't. Therefore it is not an answer.

If this helped please give brainliest, rate, and thank!

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Naya [18.7K]

I did the work for you but the answer would be 1 second

5 0

3 years ago

Help!!!!!! Find x and y so the quadrilateral is a parallelogram.

iren [92.7K]

Answer:

Conclusion:

The value of x = 7

The value of y = 4

Step-by-step explanation:

Given

The parallelogram PQRS

We know that the diagonals of a parallelogram bisect each other.

Therefore,

RT = TP

Given RT = x and TP = 5x-28, so

x = 5x-28

5x = x+28

5x-x = 28

4x = 28

divide boh sides by 4

4x/4 = 28/4

x = 7

Thus, the value of x = 7

Similarly,

QT = TS

Given QT = 5y and TS = 2y+12, so

5y = 2y+12

5y-2y = 12

3y = 12

divide both sides by 3

3y/3 = 12/3

y = 4

Thus, the value of y = 4

Conclusion:

The value of x = 7

The value of y = 4

3 0

2 years ago

Triangle ABC is translated to create triangle DFG, as shown below.

Anton [14]

Answer:

$x=3$

$y = 9$

Step-by-step explanation:

Given

The translated triangles

Required

Find x and y

We have:

$AB = DF$

$BC = FG$

$AB = DF$ means:

$3(2x + 10) = 12x + 12$

Open bracket

$6x + 30 = 12x + 12$

Collect like terms

$12x - 6x = 30 -12$

$6x = 18$

Divide by 6

$x=3$

$BC = FG$ means

$2y + 12 = 2(2y - 3)$

Open bracket

$2y + 12 = 4y - 6$

Collect like terms

$4y - 2y = 12+6$

$2y = 18$

Divide by 2

$y = 9$

5 0

3 years ago

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Allushta [10]

Your answer is.............B. Negative.

3 0

2 years ago

Is 0.762050555854466 rational or irrational and why

Rainbow [258]

Answer:

No

Step-by-step explanation:

This is because it is a forever ongoing number. Here is an examples 7, pie, 5, and 2

tell me if this helped pls mark brainliest

9 0

3 years ago