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VLD [36.1K]
3 years ago
14

-2x-y-2z+4x-2y+3z Please help

Mathematics
1 answer:
sdas [7]3 years ago
8 0

Answer:

2x-3y+z

Step-by-step explanation:

-2x-y-2z+4x-2y+3z

combine like terms

-2x+4x= 2x

-y-2y= -3y

-2z+3z= z

so..

2x-3y+z

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3 years ago
7.
Agata [3.3K]

Answers:

  • prime number = {2,3,5}
  • composite number = {4,6}
  • number less than four = {1,2,3}
  • number more than or equal to three = {3,4,5,6}

====================================================

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The list of all possible outcomes on a single standard die is {1,2,3,4,5,6}. The curly braces indicate set notation.

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Parts (iii) and (iv) are fairly straight forward. You simply list items less than four for part (iii) and you list items that are three or greater for part (iv).

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