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oksano4ka [1.4K]

3 years ago

12

X^2/3 can be written as

2 answers:

Ipatiy [6.2K]3 years ago

7 0

X^(1/2)=√(x)
so, following that logic
x^(2/3)=the third root√(x^2)

x^(y/z)the bottom of the fraction is the power of the root. (zth root√(x^y))the top is the power that x is raised inside the zth root.

Nonamiya [84]3 years ago

5 0

X to the power of two thirds <span />

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Solve the equation 6w2 – 7w – 20 = 0.

azamat

For this case we have the following quadratic equation:

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Where:

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Its roots will be given by:

$w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}$

The roots are:

$w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}$

Answer:

$w_ {1} = \frac {5} {2}\\w_ {2} = - \frac {4} {3}$

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390.0826 in fraction expanded form.

Juliette [100K]

The number 390.0826 in an expanded form is 300 + 90 + 8/100 + 2/1000 + 6/10000

<h3>How to write the number in an expanded form?</h3>

The number is given as:

390.0826

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Express the decimals as fractions

390.0826 = 300 + 90 + 8/100 + 2/1000 + 6/10000

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brainly.com/question/655925

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