2 years ago

Help me true or false

Mathematics

2 answers:

4vir4ik [10]2 years ago

6 0

1 true

2 false

3 false

4 true

5 false

6 true

7 false

8 true

i dont know if this is right

Kryger [21]2 years ago

5 0

1 true

2 false

3 false

4 true

5 true

6 false

7 false

8 true

Step-by-step explanation:

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4x-11y=68 ; 6x+5y=-27 by elimination

zimovet [89]

Answer:

$x=\frac{1}{2}\\\\y=-6$

Step-by-step explanation:

Given the following system of equations:

$\left \{ {{4x-11y=68} \atop {6x+5y=-27}} \right.$

In order to solve the system of equations using the Elimination Method, you can follow these steps:

- Multiply the first equation by -6 and the secondd equation by 4.

- Add both equations.

- Solve for "y".

Then:

$\left \{ {{-24x+66y=-408} \atop {24x+20y=-108}} \right\\.........................\\86y=300\\\\y=\frac{-516}{86}\\\\y=-6$

- Substitute the value of "y" into one of the original equations and solve for "x":

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I need help plz problem attached, Thanks.

Ivenika [448]

The answer would be -1 14/15

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