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2 years ago

(a - b)(2x-3)+(6x+7)(a+b) Factorise

Mathematics

1 answer:

Andreyy892 years ago

5 0

Answer:

2(4ax+2bx+2a+5b)

Step-by-step explanation:

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Perimeter of the figure?

vlabodo [156]

Answer:

32 cm

Step-by-step explanation:

As we could see if the image was a full rectangle with width is 7 cm and the length is 9 cm, the perimeter of it would be 32 cm.

8 0

3 years ago

Factor the following polynomial 9x2 + 21x – 18

solong [7]

Answer:

factors are

21 and x

Step-by-step explanation:

equation 9 × 2 + 21x - 18

terms 9 , 2, 21x, -18

factors 21x = 21 and x

4 0

3 years ago

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4 is what percent of 20?

OLEGan [10]

If you put 4 over 20 and did a ratio to x over 100 it would be 20%

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3 years ago

What is the measure of an interior angle of a regular three-sided polygon?

noname [10]

The formula to find the measure of an interior angle is $(n - 2) * 180/n$ , where $n$ represents the number of sides in the polygon. In this problem, $n$ would represent $3$ .

Let's plug in the value for $n$
$(3 - 2) * 180/3$
Let's simplify that.
$=60$

Now we know that the <span>measure of an interior angle of a regular three-sided polygon is 60</span>°. Your answer would be B!

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish

8 0

4 years ago

Read 2 more answers

Pls help I don’t get this

Softa [21]

Answer:

Answer is A

Step-by-step explanation:

They start at -10 and if you add 10 you get 0. You increase

8 0

3 years ago