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Mama L [17]
3 years ago
9

Factorize fully the following a) 2x + 10

Mathematics
2 answers:
Harman [31]3 years ago
6 0

Answer:

2(x+5)

Step-by-step explanation:

2x+10

using two as a factor

2(x+5)

yan [13]3 years ago
5 0
2x + 2 * 5

answer: 2(x+5)
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How to do 2x+4=12 plz show how you got it
OverLord2011 [107]
2x + 4 = 12

We're simply just trying to isolate x.

So, we must get x onto it's own side of the equal sign :)

Our first step is to subtract 4 from both sides.

2x + 4 - 4 = 12 - 4

Simplify.

2x = 8

Then, we divide both sides by 2.

2x ÷ 2 = 8 ÷ 2 

Simplify.

x = 4

----------

To check your work, simply plug in the value of x into x in the original equation.

In this problem, x = 4, so plug in 4 for x.

2x + 4 = 12

2(4) + 4 = 12

Simplify.

8 + 4 = 12

12 = 12

Therefore, x = 4

~Hope I helped!~
8 0
3 years ago
Read 2 more answers
Please plot this linear equation on a graph, and also explain how to plot it. <br> <img src="https://tex.z-dn.net/?f=y%3D3x-7" i
olasank [31]

Answer:

See below:

Step-by-step explanation:

Hello! I hope you are having a nice day.

We can solve this equation in a single step, we just need a bit of theory and a graph.

We can first see that its in y=mx+b form. Which is also known as Slope-Intercept form.

This means that we know the following.

  • b is the y coordinate of the y intercept.
  • m is the slope of the line.

Since we know that, we can see that from our equation that the slope of the line is 3 and the y intercept is (0,-7).

Now that we've gotten that, we can start graphing.

The y intercept is -7 so we can plot (0,-7) as one of our points.

The slope of 3 means that we got up 3 units then right a single unit.

Therefore, another point could be (1,-4).

With our two points, we can create our graph by creating a straight line through those two points and therefore plotting our line.

Cheers!

6 0
2 years ago
Read 2 more answers
Alex bought 9 2/3 pounds of hamburger meat for a cookout. He plans to make 1/3 pound hamburgers.What is the maximum number of 1/
sladkih [1.3K]
29 you divide 1/3 by 9 and add the extra 2
8 0
3 years ago
Read 2 more answers
What is the area of the white border?
Lina20 [59]

Answer:

A_{white} = 119\ cm^2

Step-by-step explanation:

<u>Step 1:  Determine the area of the black area</u>

A = l * w

A = 8\ cm * 2\ cm

A = 16\ cm^2

<u>Step 2:  Determine the area of the entire white and black area</u>

A = l * w

A = 9\ cm * 15\ cm

A = 135\ cm^2

<u>Step 3:  Determine the difference to just get the white area</u>

A_{white} = 135\ cm^2 - 16\ cm^2

A_{white} = 119\ cm^2

Answer: A_{white} = 119\ cm^2

4 0
2 years ago
<img src="https://tex.z-dn.net/?f=v%20%3D%20%20%5Cfrac%7Ber%7D%7Br%20%2B%20a%7D%20" id="TexFormula1" title="v = \frac{er}{r + a
Mrac [35]

Answer:

r = va/(e - v)

Step-by-step explanation:

v = er/(r + a)

vr + va = er

va = er - vr

va = r(e - v)

r = va/(e - v)

6 0
3 years ago
Read 2 more answers
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