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maksim [4K]
3 years ago
13

A letter that represents an unknown number

Mathematics
2 answers:
poizon [28]3 years ago
8 0
<span>The word variable represents an unknown number.

Hope this helped.</span>
garik1379 [7]3 years ago
4 0
A variable ex: 8+x=10 x is the variable
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Could you please help me with number 6 thank you sm !!
ololo11 [35]

Answer:

  • A) a = 4, b = 3

Step-by-step explanation:

<h3>#6</h3>

<u>Given equation:</u>

  • 4/(x - 3) + 2/(x - 2) = 2

<u>Multiply all terms by (x - 3)(x - 2):</u>

  • 4(x - 2) + 2(x - 3) = 2(x - 3)(x - 2)
  • 2(x - 2) + (x - 3) = (x - 3)(x - 2)
  • 2x - 4 + x - 3 = x² - 5x + 6
  • x² - 5x - 3x + 6 + 7 = 0
  • x² - 8x + 13 = 0
  • x = (8 ± √(8² - 4*13))/2 = (8 ± √12)/2 = (8 ± 2√3)/2 = 4 ± √3

<u>Compare this to the given form to get:</u>

  • a = 4, b = 3

Correct choice is A

6 0
2 years ago
Reduce to simplest form.<br> -5/8 - ( -4/3)<br><br> please help !!
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Answer: 17/24.

Step-by-step explanation: Consider marking this answer as brainliest if it helped you out.

6 0
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Answer:

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Step-by-step explanation:

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