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Ganezh [65]
3 years ago
8

Decrease 620 by 10%

Mathematics
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

 682

Step-by-step explanation:

620, percentage decreased by - 10% (percent) of its value = 682

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Use the method of completing the square to transform the quadratic equation into the equation form (x + p)2 = q.
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The correct answer is: A) (x + 2)^2 = 2

Further explanation:

We have to convert the equation into simplest form to complete square

Given equation is:

6+12x+3x^2=0

Rearranging the Equation:

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Subtracting 2 from both sides

x^2+4x+2-2=0-2

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Here

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So,

Adding (2)^2 on both sides

(x)^2+4x+(2)^2=-2+(2)^2\\(x+2)^2=-2+4\\(x+2)^2=2

The correct answer is: A) (x + 2)^2 = 2

Keywords: Completing square, factorization

Learn more about factorization at:

  • brainly.com/question/12884373
  • brainly.com/question/12896802

#LearnwithBrainly

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Step-by-step explanation:

Times the first number by 24%, add it up with the number, and the answer is there!

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