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Veronika [31]
2 years ago
14

Simplify the following expression:​

Mathematics
2 answers:
Katyanochek1 [597]2 years ago
4 0

Answer:

\boxed{-3\left(\sqrt{2}-1\right)}

Step-by-step explanation:

\left(3\sqrt{3-2\sqrt{2}}\right)\left(\sqrt{3}-2\right)\left(\sqrt{3}+2\right)

-3\sqrt{3-2\sqrt{2}}\left(-1\right)

-3\sqrt{3-2\sqrt{2}}

-3\left(\sqrt{2}-1\right)

-3\left(\sqrt{2}-1\right)

d1i1m1o1n [39]2 years ago
3 0

Answer:

Step-by-step explanation:

(a + b)(a -b) = a^{2}-b^{2}\\\\\\a = \sqrt{3} \ & \ b = 2\\\\(\sqrt{3}-2)(\sqrt{3}+2)=(\sqrt{3})^{2}-2^{2} \\\\ = 3 - 4\\\\= -1

(3\sqrt{3-2\sqrt{2}})(\sqrt{3}-2)(\sqrt{3}+2)=(3\sqrt{3-2\sqrt{2}})*(-1)\\  \ = (-3)\sqrt{3-2\sqrt{2}}

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I don’t know the answer I’m not that smart help<br><br>Thank you
Stolb23 [73]

Answer:

H

Step-by-step explanation:

The tiny squares equal to 12 already so it is already greater therefore x=0

6 0
3 years ago
Suppose y varies directly with x. When x is 2, y is 20. What is x when y is 50
yuradex [85]

Answer:

5

Step-by-step explanation:

x = 2 >>> (Multiply by 10) >>> y = 20

x = ? >>> (Multiply by 10) >>> y = 50

50 ÷ 10 = 5

x = 5 when y is 50

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How many faces does the solid made from the net below have?<br>​
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Step-by-step explanation:

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3 years ago
GUYS PLEASE HELP ME HELP HELP PLEASE PLEASE!!! Simplify and solve for the unknown. Use order of operations as needed. Check your
grandymaker [24]

The solution is B = 43

Step-by-step explanation:

Simplify and solve for the unknown for 5(B + 3) = 4(B - 7) + 2B

  • Simplify each side
  • Add the like terms in each side if need
  • Separate the unknown in one side and the numerical term in the other side to find the value of the unknown

∵ 5(B + 3) = 4(B - 7) + 2B

- Multiply the bracket (B + 3) by 5 in the left hand side and multiply

  the bracket (B - 7) by 4 in the right hand side

∵ 5(B + 3 ) = 5(B) + 5(3) = 5B + 15

∵ 4(B - 7) = 4(B) - 4(7) = 4B - 28

∴ 5B + 15 = 4B - 28 + 2B

- Add the like terms in the right hand side

∵ 4B + 2B = 6B

∴ 5B + 15 = 6B - 28

- Add 28 to both sides

∴ 5B + 43 = 6B

- Subtract 5B from both sides

∴ 43 = B

- Switch the two sides

∴ B = 43

To check the answer substitute the value of B in each side if the two sides are equal then the solution is right

The left hand side

∵ 5(43 + 3) = 5(46) = 230

The right hand side

∵ 4(43 - 7) + 2(43) = 4(36) + 86 = 144 + 86 = 230

∴ L.H.S = R.H.S

∴ The solution B = 43 is right

The solution is B = 43

Learn more:

You can learn more about the solution of an equation in brainly.com/question/11229113

#LearnwithBrainly

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2 years ago
Is a milk carton less then one liter or more
sertanlavr [38]
Less than one liter. It's about 1/2 pint to 1 pint
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