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lana [24]
3 years ago
12

Could someone please give me the answer? The subject is math and its Pre- Algebra

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0
Okay, first, let's take a look at the two triangles we have here. 

The triangles angles are equal, the triangles are just turned different directions. 

1. Incorrect
2. Incorrect
3. Correct
4. Correct
5. Incorrect
6. Incorrect

I hope this helps!
You might be interested in
Х
ivolga24 [154]

Using permutations and the probability concept, it is found that there is a 0.0417 = 4.17% probability that Nia is chosen as president.

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.
  • As there are different roles, the order in which the students are chosen is important, hence, the <em>permutation </em>formula is used to solve this question.

Permutation formula:

The number of possible permutations of x elements from a set of n elements is given by:

P_{(n,x)} = \frac{n!}{(n-x)!}

Desired outcomes:

  • Nia's president.
  • For the other roles, 3 students from a set of 23, hence:

D = P_{23,3} = \frac{23!}{20!} = 10626

Total outcomes:

4 students from a set of 24, hence:

T = P_{24,4} = \frac{24!}{20!} = 255024

Then:

p = \frac{D}{T} = \frac{10626}{255024} = 0.0417

0.0417 = 4.17% probability that Nia is chosen as president.

To learn more about probabilities, you can take a look at brainly.com/question/24437717

8 0
2 years ago
URGENT WILL GIVE BRAINLIEST PLZ HELP
Lorico [155]

Answer:

22000

to the test

7 0
3 years ago
Graph
Rus_ich [418]
C is what I think/Know for sure
4 0
3 years ago
Is this problem perpendicular parallel or neither<br> x+7x=-3 and y=7x+25
antiseptic1488 [7]
This answer is perpendicular because of the points
3 0
3 years ago
So I’m not great in math at all I spent 15 min crying because I don’t get it so anyone pls help
Yuri [45]

Answer:

A

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = \frac{1}{2} bh ( b is the base and h the perpendicular height )

Here b = 13 and h = 4 , thus

A = \frac{1}{2} × 13 × 4 = \frac{1}{2} × 52 = 26 units² → A

3 0
3 years ago
Read 2 more answers
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