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mixer [17]
1 year ago
14

12-6r=2r+36 (2-step equations)

Mathematics
2 answers:
mart [117]1 year ago
5 0

Answer: r=-3

Step-by-step explanation:

12-6r=2r+36

12=8r+36

-24=8r

r=-3

ad-work [718]1 year ago
3 0
The answer is -3.

Explation:

12-6r=2r+36
+6r +6r
———————
12=8r+36
-36 -36

-24=8r
then divide each side by 8 so you then get r= -3 as you’re answer.
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Find the equation of the axis of symmetry for the parabola y = x^2 .
Tamiku [17]
The vertex of the parabola is <span><span>(<span>2,1</span>)</span><span>(<span>2,1</span>)</span></span> .

So, the axis of symmetry is the line <span><span>x=2</span><span>x=2</span></span> .

6 0
3 years ago
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How would i solve for x and y in 3x+2y=17 and 2x-y=2 by using substitution
maxonik [38]
I’ll do an example problem, and I challenge you to do this on your own!
4x+6y=23
7y-8x=5
Solving for y in 4x+6y=23, we can separate the y by subtracting both sides by 4x (addition property of equality), resulting in 6y=23-4x. To make the y separate from everything else, we divide by 6, resulting in (23-4x)/6=y. To solve for x, we can do something similar - subtract 6y from both sides to get 23-6y=4x. Next, divide both sides by 4 to get (23-6y)/4=x.

Since we know that (23-4x)/6=y, we can plug that into 7y-8x=5, resulting in
7*(23-4x)/6-8x=5
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Multiplying both sides by 6, we get 161-28x-48x=30
= 161-76x
Subtracting 161 from both sides, we get -131=-76x. Next, we can divide both sides by -76 to separate the x and get x=131/76. Plugging that into 4x+6y=23, we get 4(131/76)+6y=23. Subtracting 4(131/76) from both sides, we get
6y=23-524/76. Lastly, we can divide both sides by 6 to get y=(23-524/76)/6

Good luck, and feel free to ask any questions!
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3 years ago
The is a function of the
Delvig [45]

Answer:

Is this the right question?

Step-by-step explanation:

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Step-by-step explanation:

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Hope this helped you

<3

Red

7 0
3 years ago
Read 2 more answers
Help pleaseee
Artemon [7]

Answer:

that's it brainliest me

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