3 years ago

What pair of numbers has a LCM of 12

Mathematics

1 answer:

Effectus [21]3 years ago

5 0

Answer:

12 and 2. or. 4 and 3

Step-by-step explanation:

the LCM of 12 and 2 is 12

the LCM of 4 and 3 is also 12

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What are the solutions to the following system of equations? Select the correct answer below.

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      y = x² - 4x + 8
4x + y = 12

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4x + (x² - 4x + 8) = 12
x² + 4x - 4x + 8 = 12
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      - 8 - 8
   x² = 4
      x = ±2
   4x + y = 12
4(2) + y = 12
   8 + y = 12
   - 8 - 8
   y = 4

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4(-2) + y = 12
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+ 8    + 8
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