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Juli2301 [7.4K]
3 years ago
14

You survey 72 randomly chosen students about whether they are going to attend the school play. Twelve say yes. Predict the numbe

r of students who attend the school.
Mathematics
1 answer:
Lunna [17]3 years ago
7 0
I say 9 students will attend the play because some of the students that said they were going to may not show up.
**also, since this is a prediction there’s really no right or wrong answer.
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Solve for X<br><br> -2(5x-5.5) + 8= -9x+2-(-5)
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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

-2(5x - 5.5) + 8 = -9x + 2 - (-5)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                              -10x + 11 + 8 = -9x + 2 + 5
  2. Combine like terms:              -10x + 19 = -9x + 7
  3. Add 10x to both sides:          19 = x + 7
  4. Subtract 7 on both sides:     12 = x
  5. Rewrite:                                  x = 12
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