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Vaselesa [24]
3 years ago
8

Had to repost 4 times because no one's been able to do it.

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0

Answer:

I think A

Step-by-step explanation:

I am not quite sure what this is asking, but based off of what I can tell it should be A.

Hope this helps :)

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Simplify 6m2n3 – 3m3n2 + 8m2n3 + 12m3n2
NISA [10]
Hello! Hope I can assist you.

Let us simplify some terms first!

6m\cdot \:2n\cdot \:3 \ \textgreater \  36mn
3m\cdot \:3n\cdot \:2 \ \textgreater \  2\cdot \:3^2mn
8m\cdot \:2n\cdot \:3 \ \textgreater \  48mn
12m\cdot \:3n\cdot \:2 \ \textgreater \  72mn

36mn-2\cdot \:3^2mn+48mn+72mn

From here, group like terms
36mn-2\cdot \:3^2mn+48mn+72mn

\mathrm{Add\:similar\:elements:}\:36mn+48mn+72mn=156mn
156mn-2\cdot \:3^2mn

2\cdot \:3^2mn \ \textgreater \  2\cdot \:9mn \ \textgreater \  18mn

156mn-18mn

\mathrm{Add\:similar\:elements:}\:156mn-18mn=138mn

Hope this helps!
6 0
3 years ago
Which three-dimensional figure has half the number of vertices as the rectangular prism?
GuDViN [60]
1. The rectangular prism is a right prism with rectangular bases (check the picture)

2. It has 8 vertices, so we are looking for 3d figures with 4 vertices.

3. A face can have at least 3 vertices, and the 4th must be outside of the plane determined by the first 3 vertices. This makes 4 vertices in total.

4. The 3d figure described in step 3 is a pyramid. 

8 0
3 years ago
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Circle A has center of (4, 6) and a radius of 5, and circle B has a center of (1, 0) and a radius of 15.What steps will help sho
melisa1 [442]

Answer:

Dilate circle A by a scale factor of 3.

Step-by-step explanation:

Generally, similar figures have sides in the same ratio

3(5) = 15

When dilate A by factor 3, it will look exactly like B

4 0
3 years ago
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Only question numer 10.​
leva [86]
Out of the six, only “u” wouldn’t work so the answer is d. 5

Hope this helps and hope you have a great day! Please make brainiest
4 0
3 years ago
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21. Which number below is equivalent to 3.82 x 10-5?
IceJOKER [234]

Answer:

19.10

Step-by-step explanation:

If im correct,

You subtract 10 and 5. Wich is 5. Then multiply that by 3.82.

3 0
3 years ago
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