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3 years ago

PLEASE I NEED HELP OR ELSE IM IN TROUBLE NEED HELP PLEASE!!!!

1 answer:

7 0

Lol just say if it’s true or not.

1.) Incorrect
2.) Correct
3.) Not sure. I don’t think this is correct though. I might be wrong

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Find the solution set of the following equations: 2y=2x+7 X=y+2

kirill115 [55]

Answer:

The system of equations has no solution.

Step-by-step explanation:

Given the system of equations

2y = 2x+7

x = y+2

solving the system of equations

$\begin{bmatrix}2y=2x+7\\ x=y+2\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}2y-2x=7\\ -y+x=2\end{bmatrix}$

Multiply -y+x=2 by 2: -2y+2x=4

$\begin{bmatrix}2y-2x=7\\ -2y+2x=4\end{bmatrix}$

so adding

$-2y+2x=4$

$+$

$\underline{2y-2x=7}$

$0=11$

so the system of equations becomes

$\begin{bmatrix}2y-2x=7\\ 0=11\end{bmatrix}$

0 = 11 is false, therefore the system of equations has no solution.

Thus,

No Solution!

3 0

3 years ago

a car travels along the highway to yuma at steady speed. when it begins, it is 400 miles from yuma. After 7 hours, it is 59 mile

klemol [59]

Answer:

y= -50x + 400

Step-by-step explanation:

-50 miles from the place which means they are going further and further away so it is negative. And its 400 because y=mx+b the b is 400 because thats where they started. Also it said it was correct on A-p-e-x.

4 0

3 years ago

Want to be my friend?im a girl!

nignag [31]

Sure I can be ur friend

4 0

4 years ago

What is the image of (-4,-2) after reflection over the x-axis

polet [3.4K]

Step-by-step explanation:

shzhqhwjsid9w01030f8fuw1hdhi

6 0

3 years ago

Read 2 more answers

What multiplication expression is equal to 3/4 divided by 1/3

kakasveta [241]

Answer:

3 * 3

4 1

Step-by-step explanation:

To convert division problems with fraction into multiplication problems use the KCF rule

Keep the 1st Fraction the same
Change the division sign to a multiplication sign
Flip the fraction (reciprocal)

5 0

3 years ago