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3 years ago

Solve x3 = 64 over 27

Mathematics

2 answers:

Kitty [74]3 years ago

6 0

Answer:

Hope it helps

Step-by-step explanation:

So you want to get x by itself.

x3= $\frac{64}{27}$

You could simplify

x3=2.37037037037

Then just divide 3 on both sides

x=0.79012345679

Or you can divide a fraction by a whole number and just divide the numerator and the denominator by 3.

x= $\frac{21.3}{9}$ or just 2.36666666667.

Fiesta28 [93]3 years ago

3 0

Answer:

x= 4/3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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If ex + e*-1= 2, then x =..

lianna [129]

<em>Note: Your equation seems a little unclear. But, I am assuming that your equation is:</em>

$e^x\:+\:e^{-1}=\:2$

<em>Because my solution would still clear your concept about this topic, no matter what the question is.</em>

Answer:

Please check the explanation.

Step-by-step explanation:

Given the equation

$e^x\:+\:e^{-1}=\:2$

subtract $e^{-1}$ from both sides

$e^x+e^{-1}-e^{-1}=2-e^{-1}$

$e^x=2-\frac{1}{e}$

$\ln \left(e^x\right)\:=\ln \:\left(2-\frac{1}{e}\right)$

$\:x\cdot ln\left(e\right)=\ln \:\:\left(2-\frac{1}{e}\right)$

$\:x\cdot 1=\ln \:\left(2-\frac{1}{e}\right)$ ∵ $\:\:\ln \left(e\right)=1$

$x=\ln \:\left(2-\frac{1}{e}\right)$

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