mariechee07 mariechee07

15-09-2020
Mathematics

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What positive value of x that makes the equation true: x^3 =125^-1

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sqdancefan sqdancefan

15-09-2020

Answer:

x = 1/5

Step-by-step explanation:

Take the cube root:

[tex]x^3=125^{-1}\\\\x=\left(\dfrac{1}{125}\right)^{\frac{1}{3}}=\dfrac{1}{\sqrt[3]{125}}\\\\\boxed{x=\dfrac{1}{5}}[/tex]

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