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Answers ( 23 )
  • See question detail

    We have : 300 = 22.3.52

    The number of integer factors 300 have is :

                          2.[(2 + 1)(1 + 1)(2 + 1)] = 36

                                   Answer : 36. good

  • See question detail

    ( x + 1 ) . ( 1 + 1999 ) = 4000

    x + 1 = 4000 : ( 1 + 1999 )

    x  + 1 = 4000 : 2000

      x + 1 = 2 

       x = 2 - 1 

      x = 1 

  • See question detail

    We have : 5x2y + 4xy - 9x2y - 4xy 

    = 5x2y - 9x2y + 4xy - 4xy

    = -4x2y 

    Thank

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