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Paladinen [302]
3 years ago
13

Please help me solve this question and explain it step by step, I need to understand it for future questions like this.

Mathematics
1 answer:
adoni [48]3 years ago
8 0

Answer:

F. 20(3a-10)^2

Please give me brainliest

Step-by-step explanation:

180a^2-1200a+2000

Start by looking for a common factor: In this case, it's 20

From here, divide 20 from every number

180a^2/20= 9a^2

1200a/20= 60a

2000/20= 100

You end up with:

20(9a^2-60a+100)

But you can still simplify (9a^2-60a+100)

(9a^2-60a+100) simplifies to (3a-10)^2

So the answer is:

20(3a-10)^2

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Plz help me!!!! Will give brainliest
andreyandreev [35.5K]

Answer:

x=7

Step-by-step explanation:

The diagram shows us that the two lines at the base of the triangle are congruent. It also shows us that this line's perpendicular bisector passes through the third vertice of the triangle. When we see triangles in this form, it tells us that it is an isosceles triangle. Isosceles triangles have two congruent side lengths with their base having a different side length.

Using this information, we can tell that the side lengths that are congruent are the ones involving x with the base of the triangle having a side length of 46 units (23+23=46). Therefore, this means that the following equation is true:

6x+18=3x+39

Now, we can solve for x.

6x+18=3x+39

Subtract both sides by 18

6x+18-18=3x+39-18

6x=3x+21

Subtract both sides by 3x

6x-3x=3x+21-3x

3x=21

Divide both sides by 3

3x/3=21/3

x=7

I hope this helps!

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Answer:

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Step-by-step explanation:

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