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babymother [125]
3 years ago
7

Ayúdenme por favor necesito esto resolvió para mañana

Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

Cómo puedo ayudar

Step-by-step explanation:

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Please, Help.<br>the answer isn't 30°
vagabundo [1.1K]

The <em>missing</em> angle of the <em>right</em> triangle ABC has a measure of 30°. (Correct answer: A)

<h3>How to find a missing angle by triangle properties</h3>

Triangles are <em>geometrical</em> figures formed by three sides and whose sum of <em>internal</em> angles equals 180°. There are two kind of triangles existing in this question: (i) <em>Right</em> triangles, (ii) <em>Isosceles</em> triangles.

<em>Right</em> triangles are triangles which one of its angles equals 90° and <em>isosceles</em> triangles are triangles which two of its sides have <em>equal</em> measures.

According to the statement, we know that triangle BQR is an <em>isosceles</em> triangle, whereas triangles ABC, ANB and NBC are <em>right</em> triangles. Based on the figure attached below, we have the following system of <em>linear</em> equations based on <em>right</em> triangles ABC and NBC:

<em>2 · x + 90 + θ = 180</em>   (1)

<em>(90 - x) + 90 + θ = 180</em>   (2)

By equalizing (1) and (2) we solve the system for <em>x</em>:

<em>2 · x = 90 - x</em>

<em>3 · x = 90</em>

<em>x = 30</em>

And by (1) we solve the system for <em>θ</em>:

<em>θ = 180 - 2 · x - 90</em>

<em>θ = 30</em>

<em />

The <em>missing</em> angle of the <em>right</em> triangle ABC has a measure of 30°. (Correct answer: A) \blacksquare

To learn more on right triangles, we kindly invite to check this verified question: brainly.com/question/6322314

8 0
2 years ago
Please please factor fully.
Alekssandra [29.7K]

Answer: My bad if I butchered any answers. It was hard to read tbh

Step-by-step explanation:

D.) You can only factor out an x here. So you'd get: x(x^2-2x+4)

E.) You can factor out a 3x^2y to get: 3x^2y(2-x)

F.) You can factor out a 3xy to get: 3xy(y+3x-2)

G.) You can factor out a -4ab to get: -4ab(a-4b+2)

4 0
3 years ago
Read 2 more answers
WhAt is the square root of 2 times the square root of 2
Papessa [141]

Answer:

2 is the answer

Step-by-step explanation:

its like

(square root 2)^2

{square root and whole square is cancelled and 2 is the answer}

3 0
3 years ago
You have a rope that is 129.25 inches long. You cut off 6 pieces from the rope. Each piece is 18.5 inches long. How long is the
wlad13 [49]
Answer-18.25 inches
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3 years ago
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Hello! Mind Helping Me?
umka21 [38]

Answer:

2 pounds

if you add .5 4 times with each other, you get 2

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3 years ago
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