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2 years ago

Pls help me solve it I can’t sleep I’m in stress.

Mathematics

2 answers:

AleksandrR [38]2 years ago

5 0

Answer:

the image isnt showing can you type in the question ill answer it

Step-by-step explanation:

strojnjashka [21]2 years ago

3 0

Answer:

Step-by-step explanation this is for a the right one is x=6 write all of them

2(x+2)-7=9

2(6+2)-7=9

16-7=9

9=9

2.x=10

2(10+2)-7=9

24-7=9

17=9

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Answer:

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Step-by-step explanation:

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Matrix question help needed

kramer

The required matrix is:

$\left[\begin{array}{ccc}-25&17&0\\8&-1&3\\\end{array}\right]$

Step-by-step explanation:

We need to apply elementary row operation -2R₂+3R₁ tothe matrix:

$A=\left[\begin{array}{ccc}-3&5&2\\8&-1&3\\\end{array}\right]$

Multiplying Row 2 with -2 and Row1 with 3 and adding,

-9 15 6

-16 2 -6

----------

-25 17 0

After applying this operation, Row 1 will be changed while Row 2 will remain same because we get -2R₂+3R₁ -> R₁

The required matrix is:

$\left[\begin{array}{ccc}-25&17&0\\8&-1&3\\\end{array}\right]$

Keywords: Matrices, elementary row operation

Learn more about matrices at:

#learnwithBrainly

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3 years ago

Is this correct ? if not what’s the correct answer?

Snezhnost [94]

Answer:

yes

Step-by-step explanation:

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