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Leona [35]
3 years ago
15

Thế nào là hai góc đối đỉnh

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0

nào là hai doin dhn

??

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Find the errors and identify them
Stella [2.4K]

Answer:

this is confused me so much is it supposed to be a trick or is that a actual question-

5 0
3 years ago
What is 5.7916 rounded to the nearest thousandth?​
Fed [463]

Answer:

5,792

Step-by-step explanation:

I'm pretty sure tell me if I'm wrong

8 0
3 years ago
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There are 8 members on a board of directors. If they must form a subcommittee of 5 members, how many different subcommittee are
Assoli18 [71]

56 different sub-committees are possible

Step-by-step explanation:

When the selection has to be made without order, combinations are used.

The formula for combination is:

C(n,r) = \frac{n!}{r!(n-r)!}

Here,

Total members = n = 8

Members to be selected = r = 5

So,

C(8,5) = \frac{8!}{5!(8-5)!}\\= \frac{8!}{5!}\\=56\ ways

Hence,

56 different sub-committees are possible

Keywords: Combinations, Selection

Learn more about combinations at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

3 0
3 years ago
Use the difference of two squares to find the value of 612 - 392​
kaheart [24]

Answer: 4 (153 - 98)

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factor out the GCF:

4(153−98)

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you cant factor it further.

3 0
3 years ago
a) The vertices A, B, C of a triangle are (2, -1, -3), (4, 2, 3) and (6, 3, 4) respectively. Show that AB = (2,3,6) and AC = 9.​
Sav [38]

Answer:

... a triangle are 2,-1,-3 4,2,3 and 6,3,4 respectively. If vector AB=2,3,6 vector AC=4,4,7 vector BC=2,1,1 , show that AB=7 AC=9 and BC= square root of 6.

7 0
3 years ago
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