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LEON LEON
Member since:
21 May 2009
Total points:
97 (Level 1)

Resolved Question

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Quero saber como calcular o valor de x da raiz quadrada de x mais raiz quadrada de nove igual a 19?

robson by robson
Member since:
30 December 2006
Total points:
100,845 (Level 7)

Best Answer - Chosen by Voters

\/x+\/9=19
\/x+3=19
\/x=19-3
\/x=16
x=16²
x=256
100% 1 Vote

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Other Answers (4)

  • JB by JB
    Member since:
    06 May 2009
    Total points:
    2,104 (Level 3)
    √x+√9=19 >>>
    √x +3=19 >>>
    √x=19 - 3 >>>
    √x=16 >>>
    (√x)²=(16)² >>> Elevamos os dois mebros ao quadrado para tira a √
    x=256 >>>

    Verificando

    √x+√9=19
    como x = 256, teremos

    √x+√9=19
    √256+√9=19
    16+3=19
    19=19 >>>(v)
    0% 0 Votes
  • PMACHADO by PMACHADO
    Member since:
    15 May 2009
    Total points:
    111 (Level 1)
    x = 256

    raiz quadrada (x) + raiz quadrada (9) = 19

    raiz quadrada (x) + 3 = 19

    raiz quadrada (x) = 16

    16 ao quadrado = 256

    raiz quadrada (256) = 16

    16 + 3 = 19
    0% 0 Votes
  • feliciamnunes by feliciam...
    Member since:
    17 May 2009
    Total points:
    10,735 (Level 6)
    Vx + V9 = 19

    Vx + 3 = 19

    Vx = 19 - 3

    Vx = 16 elevando os dois membros da equação ao quadrado

    x = 256
    0% 0 Votes
  • NOGUEIRA by NOGUEIRA
    Member since:
    14 June 2007
    Total points:
    418 (Level 2)
    x=256
    0% 0 Votes

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