lemitz8402
lemitz8402 lemitz8402
  • 02-07-2021
  • Mathematics
contestada

Determine if each proportion on the left is true or false

Determine if each proportion on the left is true or false class=

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sqdancefan
sqdancefan sqdancefan
  • 12-07-2021

9514 1404 393

Answer:

  • False
  • True
  • True
  • True

Step-by-step explanation:

An easy way to tell if the equation is true is to multiply it by the product of the denominators (cross multiply).

  7×7 ≠ 12×4 . . . . proportion is False

  9×8 = 36×2 . . . . proportion is True

  8×9 = 24×3 . . . . proportion is True

  5×104 = 8×65 . . . . proportion is True

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