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Feliz [49]
3 years ago
13

( √2 - √3 )² = a. 5 - 2√6 b. 5 - √6 c. 1 - 2√6 d. 1 - √2 e. 1

Mathematics
1 answer:
TEA [102]3 years ago
7 0
(\sqrt{2} - \sqrt{3})^2= (\sqrt{2})^2-2 \sqrt{2}  \sqrt{3} +(- \sqrt{3}  )^2=2-2 \sqrt{2*3} +3=5-2 \sqrt{6}

Answer: A
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Ignore the answer I put please help and I’ll give brainliest
Leokris [45]

Answer:

B.

Step-by-step explanation:

3/12 reduces to 1/4.

1/2 alone is greater than 1/4, so when 2/10 is added to 1/2, it is certainly greater than 3/12.

Answer: B.

5 0
3 years ago
In a school of 330 students, 85 of them are in a drama club, 200 of them are in a sports team and 60 of them do both
Neko [114]

Answer:

105/330 = 21/66 = 7/22

7/22 is the answer I think

Step-by-step explanation:

n(U) = 330

n(A) = 85

n(B) = 200

n(A n B) = 60

Now,

n(A U B) = n(A) + n(B) - n(A n B)

or, n(A U B) = 85 + 200 - 60

or, n(A U B) = 285 - 60 = 225

Now,

n(A U B) compliment = n(U) - n(A U B)

n(A U B) compliment = 330 - 225

so, n(A U B) compliment = 105

Now,

probability = 105/330

8 0
2 years ago
I really need help finding the solution!!
Mrac [35]

Answer:

-0.5 is not a solution

2 is a solution

Step-by-step explanation:

To check if something is a solution of the equation, you need to substitute the value in place of the variable

15 + 2y = -12 - 4y

15 + 2(-0.5) = -12 - 4(-0.5)

15 - 1 = -12 + 2

14 ≠ -10 ∴ -0.5 is not a solution

5 - 2(3x + 5) = 3 - 10x

5 - 2[3(2) + 5] = 3 - 10(2)

5 - 2(6 + 5) = 3 - 10(2)

5 - 12 - 10 = 3 - 120

-17 = -17 ∴ 2 is a solution

3 0
3 years ago
HELP! Please I’ll give Brainlist
Mekhanik [1.2K]
I think you forgot to attach the image :(
7 0
3 years ago
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Le but de l’exercice est de déterminer le sens de variation de la fonction f:x (x−3)²+1 définie sur IR.
Rama09 [41]

Answer:

idk lol

Step-by-step explanation:

3 0
3 years ago
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