LEON
- Member since:
- 21 May 2009
- Total points:
- 97 (Level 1)
Quero saber como calcular o valor de x da raiz quadrada de x mais raiz quadrada de nove igual a 19?
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
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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)
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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
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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
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by NOGUEIRA
- Member since:
- 14 June 2007
- Total points:
- 418 (Level 2)