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mr Goodwill [35]
3 years ago
13

Please help me. WILL GIVE BRAINLIEST

Mathematics
2 answers:
AnnZ [28]3 years ago
6 0

Answer:

third option

Step-by-step explanation:

Given that x = - 2 + \sqrt{8} is a root

Complex roots always occur as conjugate pairs , thus

x = - 2 + \sqrt{8} is a root then x = - 2 - \sqrt{8} is a root

The required factor is then

(x - (- 2 - \sqrt{8} ) )

Aloiza [94]3 years ago
3 0

Answer:

d

Step-by-step explanation:

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What's -8 = x+11/-2 with steps
zlopas [31]

Hello friend

enjoy your day

7 0
3 years ago
i need help with the last two. I forgot the formula and wondering if you will help me find which one is and isnt a triangle
Nimfa-mama [501]

Answer:

3. D) 26, 7, 31

4. B) 6, 34, 27

Step-by-step explanation:

Both #3 and #4 use the same strategy: the two shorter sides' sum has to be greater than the longer side.

#3:

2 + 8 is 10, which is less than 13. So A wouldn't form a triangle.

12 + 22 is 34, which is the length of the longer side. So B wouldn't form a triangle either.

14 + 18 is 32, which is less than 40. So C wouldn't form a triangle.

7 + 26 is 33, which is greater than 31. So D would form a triangle.

D. 26, 7, and 31 are the only lengths of the ones shown that form a triangle.

#4:

17 + 18 is 35, which is greater than 19. So A would form a triangle.

11 + 22 is 33, which is greater than 25. So C would also form a triangle.

5 + 18 is 23, which is greater than 20. So D would form a triangle.

6 + 27 is 33, which is less than 34. So B wouldn't form a triangle.

B. 6, 34, and 27 are the only lengths of the ones shown that don't form a triangle.

6 0
2 years ago
Please please pleaseeee answer
AVprozaik [17]

Answer:C would be the correct answer

Step-by-step explanation:

3 0
3 years ago
I will give brainliest
Angelina_Jolie [31]

Answer:

A,B,D

Step-by-step explanation:

plz mark brainliest

8 0
3 years ago
Read 2 more answers
In a small town, the stray cat population is rapidly increasing. There are currently 20 stray cats, and it is estimated
BigorU [14]
2 years will be 80 cats (20 x 2 = 40 (year 1) and 40 x 2 = 80 (year 2))

3 years will be 160 (80 x 2 = 160)

5 years will be (160 x 2 = 320 (year 4) and 320 x 2 = 640 (year 5)) So 5 years will be 640
7 0
3 years ago
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