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Reil [10]
2 years ago
8

Find the term that must be added to the equation x2−2x=1 to make it into a perfect square.

Mathematics
1 answer:
irga5000 [103]2 years ago
6 0

Answer:

The perfect square ( x -1 )² = 2

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given equation  x² - 2 x = 1

              ⇒        x² - 2 x + 1 -1 = 1

             ⇒        x² - 2x + 1² = 1 +1

             ⇒     ( x -1 )² = 2

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F(x) = -1/3 x + 7 determine the input that would give an output value of 2/3
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Ur output value is f(x).....so to do this problem u need to sub in 2/3 for f(x) and solve for the input value which is x

f(x) = -1/3x + 7
2/3 = -1/3x + 7 ...multiply everything by 3
2 = -x + 21
2 - 21 = - x
- 19 = -x
19 = x <== ur output

7 0
3 years ago
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2 years ago
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Simple interest is based on the principal amount of a loan or deposit.

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3 years ago
Rachel plays a game by rolling two number cubes with sides numbered 1 through 6 to win the game the sum of the numbers facing up
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Step-by-step explanation:

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Let S be the sample space

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The probability that Rachel will win the game is: 1/12

Keywords: Probability, Sample

Learn more about probability at:

  • brainly.com/question/9729310
  • brainly.com/question/9738996

#LearnwithBrainly

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Sierra left $17.75 as a tip for a waiter. This was 20% of the bill before the tip. How much was her total bill before the tip
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I believe you should just add 17.75+80%=31.95

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