Ericrcs
Ericrcs Ericrcs
  • 23-08-2015
  • Mathematics
contestada

Find the value of the expression 2x cubed + 3y squared - 17 when x = 3 and y = 4.

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Аноним Аноним
  • 23-08-2015
[tex]2x^3+3y^2-17\\\\subtitute\ the\ values\ of\ the\ x=3\ and\ y=4\ to\ the\ expression:\\\\2(3^3)+3(4^2)-17=2(27)+3(16)-17=54+48-17\\\\=102-17=\boxed{85}\\----------------------\\3^3=3\times3\times3=27\\\\4^2=4\times4=16[/tex]
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taykennedy17
taykennedy17 taykennedy17
  • 13-02-2019

Answer:85

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