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Mademuasel [1]
2 years ago
13

Hurry friends, don't write it blank X= 72 Work 2x+ 52159x What

Mathematics
1 answer:
Scilla [17]2 years ago
3 0

Answer:

Step-by-step explanation:

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There is no improper fraction of 7/7 because it is not a mixed number.
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Value of this problem?
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Find the value of x given that the mean is 6:<br><br> 2, 8, 9, 7, 6, x
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4

Step-by-step explanation:

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Allegra practices piano each day after school. Last week she practiced 3 3/10 hours. This week she practiced only 2 1/6 hours. H
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4 0
3 years ago
100 POINTS solve the system using linear combination. show all work.{ 5x + 3y = 41 {3x - 6y = 9
PIT_PIT [208]

Answer:

y = 2

x = 7

Explanation:

  • 5x + 3y = 41
  • 3x - 6y = 9

<u>Make the coefficient of "y" in equation 1 same</u>

{ 5x + 3y = 41 } * 2     →  10x + 6y = 82  ........equation 1

                                  →  3x - 6y = 9 ........equation 2

<u>solving them using linear combination</u>

  • 10x + 6y = 82
  • 3x - 6y = 9

     ============

  • 13x = 91
  • x = 7

Find y:

  • 5x + 3y = 41
  • 5(7) + 3y = 41
  • 3y = 41 - 35
  • 3y = 6
  • y = 2
4 0
2 years ago
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