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Sauron [17]
3 years ago
8

Please help. I’ll mark you as brainliest if correct!

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

x +0y+0z = 400

-x +y+0z = 150

-8x +0y +z = 250

Step-by-step explanation:

The last column is the solution

The rest of the columns are the coefficients of the variables

x +0y+0z = 400

-x +y+0z = 150

-8x +0y +z = 250

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
X^2+15x=-45 solve by factoring
Julli [10]

1 Move all terms to one side.

{x}^{2}+15x+45=0

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2 Use the Quadratic Formula.

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6 0
3 years ago
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Find the value of the variable y in the equation –5.7 + y = 8.2.
emmasim [6.3K]

Answer:

y = 13.9

Step-by-step explanation:

It is given that  

–5.7 + y = 8.2.    -----(1)

Equation (1) is a linear equation in one variable.  

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<u>Find the value of y</u>

Solving the equation

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moving -5.7 to the RHS

y = 8.2 + 5.7

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Therefore the value of y = 13.9

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A linear graph is any straight-line graph. That's a straight line.

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