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Alja [10]
3 years ago
8

Pls help me. I will mark you as brainly if you help me get the correct answer.

Mathematics
2 answers:
kakasveta [241]3 years ago
7 0

Answer:

D

Step-by-step explanation:

9x+(5y+x)-3y

Remove the parenthesis

When there is a "+" in front of an expression in parentheses, the expression remains the same

9x+5y+x-3y

Collect like terms

(9x+x)+(5y-3y)

10x+2y

MatroZZZ [7]3 years ago
5 0

Answer:

C and D

Step-by-step explanation:

Let's add this all together.

9x + 5y + x - 3y

Combine like terms 5y + -3y and 9x + x

10x + 2y

So we know D is at least correct.

What else? C is also correct, because we can expand it outward.

10x + 5y - 3y = 10x + 2y

A and B are not correct! We can't multiply the ys or the xs.

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I really hope this is right, i don’t quite remember how to do these but i think c
6 0
3 years ago
Please help me! Please don't get it wrong ;-;
polet [3.4K]

Answer:

Its 40 degrees

Step-by-step explanation:

60+80=140

180-140=40   (a straight line is always 180 degrees)

Hope it helped

3 0
3 years ago
True or false Exterior angles are the angles created when the sides of the triangle are shortened.
Naddika [18.5K]

Answer:

The statement is false. Exterior angles are the angles created when the sides of the triangle are extended

Step-by-step explanation:

In order to find the exterior angle of a polygon, the side of the polygon is extended to go past the vertex of the polygon to form an angle adjacent and supplementary to the the interior angle of the polygon at the vertex of the polygon where the exterior angle is formed.

The sum of the exterior angle and the adjacent interior angle is equal to 180°

The exterior angle can also be described as being formed by one side of a polygon and an extension of the adjacent side to previous side of the same polygon and it can also be referred to as a turning or an external angle.

8 0
3 years ago
Please Answer, No links! reporting right away!.. giving brainliest and more points!
loris [4]

Answer:

A) 154x89 _s2

s

Step-by-step explanation:

A) 154x89 _s2

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4 0
2 years ago
... please help..........................
Drupady [299]

Answer:

B

Step-by-step explanation:

-8+2=-6 and im pretty sure negative of a power is just a regular power so its B

6 0
3 years ago
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