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Norma-Jean [14]
3 years ago
12

Factorise the following.​

Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Answer:

(iii). (l-m+n)×(l+m-n)

(vi). (-a+5b)×(5a-b

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I need help with geometry
ivolga24 [154]

Answer:

Choice A, x=1

Step-by-step explanation:

So, to start, there's two routes that you can take there. I am going to show one of these routes.

Within the image, you see two triangles, you are able to tell that these triangles share two of the same sides, because of congruency lines on each of them.

The first group of congruent sides have 1 line going through them, the second group has 2 lines going through them. Let's go with the first group.

With the first group, we are using the lines CB and FE, where the measurements on each of them are 3x+1 and x+3 respectively.

Since they are congruent, they are equal and we can just set them equal to each other.

Starting With:

3x+1 = x+3

Step 1) Cancel out the +1

3x+1 -1 = x+3 -1

3x = x+2

Step 2) Cancel out the x

3x -x = x+2 -x

2x = 2

Step 3) Divide by 2 get x by itself

2x/2 = 2/2

x=1

All done!

5 0
3 years ago
1. find the area of the figure at right. Dimensions are in inches​
ioda

Answer:

292 in² (3 s.f.)

Step-by-step explanation:

The figure is made up of 2 semicircles and a rectangle.

Please see attached picture for full solution.

7 0
4 years ago
Which number best represents the slope of the graphed line?
ryzh [129]

Answer:

\frac{1}{2}

Step-by-step explanation:

refer to solution in the picture

3 0
3 years ago
What is the unknown fraction 2/10 +__=67/100
sattari [20]
<h2>47/100</h2><h3></h3><h3>0.2 + x = 0.67</h3><h3>subtract 0.2 from both sides</h3><h3>x = 0.47</h3>
7 0
3 years ago
What fraction is not equal to 2/3​
Svetllana [295]

Answer:

All fractions except 2/3 lol

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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