The answer is 96, don't ask how, just know.
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>
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The <em>missing</em> angle of the <em>right</em> triangle ABC has a measure of 30°. (Correct answer: A) 
To learn more on right triangles, we kindly invite to check this verified question: brainly.com/question/6322314
Answer:
8ab
Step-by-step explanation:
Answer:
75 times
Step-by-step explanation:
First of all let's ook at the 36 possible outcomes and their sums.
2=1,1
3=1,2 2,1
4=1,3 ; 2,2 ; 3,1
5=1,4 ; 2,3 ; 3,2 ; 4,1
6=1,5 ; 2,4 ; 3,3 ; 4,2 ; 5,1
7=1,6 ; 2,5 ; 3,4 ; 4,3 ; 5,2 ; 6,1
8=2,6 ; 3,5 ; 4,4 ; 5,3 ; 6,2
9=3,6 ; 4,5 ; 5,4 ; 6,3
10=4,6 ; 5,5 ; 6,4
11=5,6 ; 6,5
12=6,6
Looking at the above, there are 4 sums equal to 5 out of a total of 36 sums.
Thus, probability of getting a sum equal to 5 is;
P(5) = 5/36
Now,since the cubes are rolled 540 times, number of times a sum equal to 5 will appear will be;
(5/36) x 540 = 75 times
Answer: 1x + 2y = 4
Step-by-step explanation:
The equation of the line is y = -1/2x + 2.
First, let's make 4 on one side of the equation. First, bring x to the left. y + 1/2x = 2. Then multiply the whole equation by two. Thus, 1x + 2y = 4.
Hope it helps <3