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Andreyy89
2 years ago
14

4a²-8ab+4b=???????????? ​

Mathematics
1 answer:
GuDViN [60]2 years ago
3 0

Step-by-step explanation:

4a² - 8ab + 4b²

= (2a)² - 2 * 2a * 2b + (2b) ²

= (2a - 2b) ²

Hope it helps :)

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There are 12 jurors sitting in a circle
STALIN [3.7K]
I believe you are asking in how many ways they can sit. If so:
The 1st can sit anywhere: he has only 1 way to sit
The 2nd can sit in 11 ways, since one seat is already occupied
The 3rd can sit in 10 ways, since 2 seat are already occupied
The 4th can sit in 9 ways, since 3 seat are already occupied
The 5th can sit in 8 ways, since 4 seat are already occupied
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The 12th can sit in 1 way, since11 seat are already occupied
General formula for a circular table:

Number of ways they n persons can be seated: (n-1)!
and the 12 can be seated in (12-1)! = 11! = 39,916,800 ways.
This is called circular permutation
3 0
3 years ago
PLEASE HELP ME I WILL GIVE BRAINLIEST
olga55 [171]

Answer:

It all depends on whether the smaller cylinder is wider than the taller one. If that is the case, then they would have the same volume, roughly, because they would still take up the same amount of space, just in different shapes. If they are the exact same width, then the taller one would have the larger volume, since it would have a larger volume, because it would take up more space.

Step-by-step explanation:

7 0
3 years ago
What root of x does the expression (x^3/8)^z/3 yield?
Lemur [1.5K]
It would be cube root
7 0
3 years ago
Read 2 more answers
Need help please, also about probabilities
liberstina [14]

Answer:

Step-by-step explanation:

Good evening ,

_______________

a) p(rat)=1-(0,35+0,4+0,1)

b) p(cat ∪ hamster)=0,35+0,1

c) p(dog then dog)= (0,4)²

:)

8 0
3 years ago
PLEASE HELP, ITS URGENT!​
Len [333]

Answer:

A. 3y+1

that is the answer

8 0
2 years ago
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