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Kitty [74]
3 years ago
13

Can someone please help me with math.

Mathematics
1 answer:
dexar [7]3 years ago
4 0
<h3>Answer:</h3>

<u>Given equations</u>: y = 2x + 1..(1) ; -4x + 2y = 2..(2)

Now, simplify the eq(2)

  • -4x + 2y = 2
  • 2(-2x + y) = 2
  • -2x + y = 1
  • y = 2x + 1

<u>As both the equations are equal, This means that the lines over lap, and that there are infinite places where they "intercept"</u>.

So, <u>correct choice</u> - [D] Infinitely many.

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What are the solutions to the system of equations? {−x+y=4y+12=x2+x
Ulleksa [173]

Answer: (-4, 0) and (4, 8)

Step-by-step explanation:

Looking at the graph, we can see where the line passes the parabola and can tell the solutions are (-4, 0) and (4, 8)

8 0
2 years ago
What is the surface area of the square pyramid represented by the net?
Dimas [21]

Answer:

<h2>7,938 Is the Area, do you need the perimiter?</h2>

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Point Q is on line segment \overline{PR}
andrey2020 [161]

The numerical length of PR is 46

<h3>Line segment</h3>

Given the following segments

QR=2x+4

PQ = x

PR =4x -10

If Q is on line segment PR, then;

PQ + QR = PR

Substitute;

x+2x+4 = 4x - 10

3x - 4x = -10 - 4

-x = -14

x =14

PR =4x - 10

PR = 56 -10

PR =46

Hence the numerical length of PR is 46

Learn more on line segment here; brainly.com/question/2437195

#SPJ1

7 0
2 years ago
|x^2+x-1|=1 solve for x
Marizza181 [45]

<span><span>x=<span>−3</span></span><span>x=<span>-3</span></span></span>

Here the steps

<span><span><span>2<span>x+1</span></span>−<span>1<span>x−1</span></span>=<span><span>2x</span><span><span>x2</span>−1</span></span></span><span><span>2<span>x+1</span></span>-<span>1<span>x-1</span></span>=<span><span>2x</span><span><span>x2</span>-1</span></span></span></span>

 <span>x<span>−3</span></span><span><span>(<span>x+1</span>)</span><span>(<span>x<span>−1</span></span>)</span></span>=<span><span>2x</span><span><span>(<span>x+1</span>)</span><span>(<span>x<span>−1</span></span>)</span></span></span><span><span><span>x<span>-3</span></span><span><span>x+1</span><span>x<span>-1</span></span></span></span>=<span><span>2x</span><span><span>x+1</span><span>x<span>-1</span></span></span></span></span>

<span><span><span>(<span>x+1</span>)</span><span>(<span>x<span>−1</span></span>)</span></span><span><span>x+1</span><span>x<span>-1</span></span></span></span>

<span><span><span>x<span>−3</span></span>=<span>2x</span></span><span><span>x<span>-3</span></span>=<span>2x</span></span></span>

<span><span>x=<span>−3</span></span><span>x=<span>-<span>3</span></span></span></span>

<span><span><span><span>So the answer comes out to be x = 3 I hope this was helpful </span></span></span></span>

3 0
4 years ago
I don’t know what the answer is
stellarik [79]
Cubes and then three dimensional
3 0
3 years ago
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