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pshichka [43]
3 years ago
12

Someone please help me

Mathematics
1 answer:
True [87]3 years ago
3 0

Answer: 20 = right triangle 21 = acute 22 = obtuse

Step-by-step explanation:

20 - Because there is a right angle/ 90 degree angle

21 - Because all the angles are less that 90 degrees which makes them acute.

22 - Because all the angles are more than 90 which makes them obtuse.

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Solve x2 + 12 = -11 by completing the square.which is the solution set of the equation
Ivan

Answer:

the answer to the question is -1

6 0
2 years ago
23. The letters of the alphabet are written on
Alla [95]

Answer:

21/676

Step-by-step explanation:

The total number of letters of the alphabet will be the total outcome which is 26 alphabets.

If consonant numbers are drawn out, the probability of drawing a consonant will be total consonants/total alphabets

Total consonants in the alphabet is 21.

Probability of drawing consonants = 21/26.

Since all the consonants are replaced before drawing a Z, our total outcome will not change i.e it will still be 26.

Probability of drawing a letter Z will be 1/26.

Therefore, the probability of drawing a consonant,replacing it, and then drawing a Z will be;

21/26×1/26

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5 0
3 years ago
HELP ME ASAP!!!!!!!
olga nikolaevna [1]

Answer:

3hours and 30 minutes moving and 2 and a half hours stationary

Step-by-step explanation:

1 hour + 30 minutes + 1 hour + 30 minutes + 30 minutes for moving

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3 0
3 years ago
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DaniilM [7]

Answer:

Yes

Step-by-step explanation:

What would you do if he said ok so he said yes would go?

I told him god bless him and to keep working in his vocabulary.

5 0
2 years ago
3. Find the mZNPI.<br> Exterior angle of triangles
IRINA_888 [86]

Answer:

Step-by-step explanation:

180-143=37

NPI=180-37

NPI=143°

4 0
2 years ago
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