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2 years ago

Answer well for 50 points and Brainliest

Mathematics

2 answers:

Nady [450]2 years ago

6 0

Answer:

C = (0,-9)

Step-by-step explanation:

Just took the test on Edge. It is correct.

Please mark my answer as Brainest It would be my first time getting that.

Thank you in advance if you do.

Strike441 [17]2 years ago

3 0

Answer:

Step-by-step explanation:

i am going to try me best ok

the first one and the three one

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Rearrange the equation so r is the independent variable.<br><br> 10q - 5r = 30

Murljashka [212]

Answer:

q = 3 + 1/2r

Step-by-step explanation:

10q - 5r = 30

We want to solve for q

Add 5r to each side

10q - 5r+5r = 30+5r

10q = 30+5r

Divide by 10

10q/10 = 30/10 +5r/10

q = 3 + 1/2r

3 0

3 years ago

{ y = - 4x-23-4x-3y=13

sleet_krkn [62]

For this case we have the following system of equations:

$y = -4x-23\\-4x-3y = 13$

We solve by the substitution method:

We substitute the first equation in the second equation:

$-4x-3 (-4x-23) = 13$

We apply distributive property considering that $- * - = +:$

$-4x + 12x + 69 = 13\\8x + 69 = 13$

We subtract 69 from both sides of the equation:

$8x = 13-69\\8x = -56$

We divide by 8 on both sides of the equation:

$x = \frac {-56} {8}\\x = -7$

We look for the value of the variable y:

$y = -4 (-7) -23\\y = 28-23\\y = 5$

Thus, the solution of the system is $(x, y): (-7,5)$

Answer:

$(x, y): (-7,5)$

7 0

3 years ago

What is 3774 divided by 37

Strike441 [17]

102 thts the anwser ur welcome

6 0

2 years ago

Which of the following ordered pairs represents an output of 5 and an input of -8?

m_a_m_a [10]

Answer:

(-8,5)

Step-by-step explanation:

The output corresponds to the y-value of an ordered pair while the input corresponds to the x-value of an order pair.

An ordered pair is written like this (x,y)

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2 years ago

Describe how you would place 3

zhenek [66]

I would personally take the number three and trow it out the window but that's not what we are talking about

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2 years ago