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3 years ago

What is the standard form of y=-3

Mathematics

1 answer:

Nady [450]3 years ago

5 0

Answer:

Y=-3/2x+3

Step-by-step explanation:

No explanation.

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Determine whether each is rational or not rational?

Free_Kalibri [48]

B and C are both rational numbers

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4 years ago

Read 2 more answers

Which statement is correct?

ryzh [129]

Answer:

A centimeter is 100 times the length of a meter.

A kilometer is 1,000 times the length of a meter.

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3 years ago

Factor each polynomial. Confirm your answering using a graphing calculator.

jeka57 [31]

I would like to help but I need the picture

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4 years ago

Helppp!!!! please!!!

zheka24 [161]

Answer:

D. 104

Step-by-step explanation:

We know that xy and yz are supplementary to each other

That means they add up to 180

We can set up an equation with this information

(4x+32)+(2x+40)=180

6x+72=180

6x=108

x=18

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4(18)+32

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D. 104

4 0

3 years ago

I NEED HELP PLEASE, THANKS! Use Cramer's Rule to find the solution of the system of linear equations, if a unique solution exist

iren2701 [21]

Answer:

Option B

Step-by-step explanation:

We are given the following system of equations -

$\begin{bmatrix}-5x+2y-2z=26\\ 3x+5y+z=-22\\ -3x-5y-2z=21\end{bmatrix}$

Now by Cramer's Rule, we would first write down the matrix of the coefficients , replacing each column with the answer column -

$\begin{bmatrix}-5&2&-2\\ 3&5&1\\ -3&-5&-2\end{bmatrix}$ ,

$\begin{bmatrix}26\\ -22\\ 21\end{bmatrix}$

Replace each column of the coefficients shown at the top, with the answer column at the bottom respectively -

$\begin{bmatrix}-5&2&26\\ 3&5&-22\\ -3&-5&21\end{bmatrix}$

Now solve through Cramer's Rule -

x = Dx / D = - 6,

y = Dy / D = - 1,

z = Dz / D = 1

<u><em>Solution = ( - 6, - 1, 1 ) = Option B</em></u>

8 0

3 years ago