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kodGreya [7K]
3 years ago
5

hey so i'm in 8th grade and am excelled in math... i'm in 10th grade math(geometry) and my teacher gave us a desmos activity (ki

nda like a pretest) and well there was this one question to find "X" and well i tend to over complicate things and did that here. in the picture you will see in the bottom right that i place 2 30 degree angles and assumed that it was split in half by the middle line, well my teacher saw that and told me that my answer was right, but he wanted to know how i did it, he saw i assumed those angles and kept on looking at it, well basically my question is "is there a principle describing that this is right? or some equation/method?"

Mathematics
1 answer:
stich3 [128]3 years ago
3 0

Answer:

80 degrees.

Step-by-step explanation:

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Original price; 30.50; Markdown 30%
Stels [109]

Answer:

After the markdown, the cost will be $21.35

Step-by-step explanation:

This is shown by multiplying the original price, 30.50 by 30%, or 0.30 to get 9.15. Next you subject your product from the original price to get the marked down value at 21.35.

8 0
4 years ago
Can someone pls help me with this question ​
jeyben [28]

Answer:

I'll find X for you; the next step is by you.

Step-by-step explanation:

we have two similar pentagons

I will do it in 2 ways.

1.

=> 48/4x = (x+2)/x

=> 12/x = (x+2)/x

Because of pentagons so x > 0

=> 12 = x + 2 => x = 10

2.

k is unknown number

=> 4x = k.x and 48 = k.(x + 2) (x > 0)

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=> 12 = x + 2 => x = 10

7 0
2 years ago
Simplify: x^5. X-^5?
WARRIOR [948]

Answer:

i believe the answer you are looking for is 1?

Step-by-step explanation:

7 0
3 years ago
-----40 POINTS--------
andrey2020 [161]

Proof

Provide the missing reasons for the proof of part of the triangle midsegment theorem.

Given: K is the midpoint of MJ.

           L is the midpoint of NJ.

Prove: MN = 2KL

The complete answer is attached in the diagram below.

The complete answer for the missing reasons is attached below in the diagram.

Please check the figure.

Keywords: statement, proof, reason

Learn more about statement, reason and proof from brainly.com/question/11081915

#learnwithBrainly

6 0
3 years ago
Read 2 more answers
Given the set of ordered pairs: {(1,3), (2,7), (x,5), (6,4)}.
MrMuchimi

Answer:

2

Step-by-step explanation:

2 is a value of x that would not make the set a function because a function can't have multiple coordinates wit hthe same domain (x-coordinate). 2 is a domain that has already been used in the point (2,7). If this is used in (x,5), the point would become (2,5) and repeat a domain.

Note:

The x-coordinate could also be 1 or 6 because they have been used as domains as well.

Hope it helps!

8 0
3 years ago
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