daynasear daynasear
  • 10-08-2016
  • Mathematics
contestada

(1000)(1.05)^3x=3000 how to solve?

Respuesta :

Panoyin
Panoyin Panoyin
  • 13-08-2016
1000(1.05)³ˣ = 3000
     1000          1000
        (1.05)³ˣ = 3
   ㏑[(1.05)³ˣ] = ㏑(3)
   3x㏑(1.05) = ㏑(3)
    3㏑(1.05) 3㏑(1.05)
                  x ≈ ¹/₃(22.52)
                  x ≈ 7.505
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