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oksano4ka [1.4K]
3 years ago
12

X^2/3 can be written as

Mathematics
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:

6w ^ 2-7w-20 = 0

Where:

a = 6\\b = -7\\c = -20

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}

7 0
3 years ago
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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

Next, we split the numbers:

This is done as follows:

390.0826 = 300 + 90 + 0.08 + 0.002 + 0.0006

Express the decimals as fractions

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

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

Read more about expanded forms at

brainly.com/question/655925

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Which of the following is the graph of y = cosine (2 (x + pi))?
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First picture, the one with a a wave above -2pi
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sdas [7]

Answer:

2

Step-by-step explanation:

It has the greatest value denomination in the number. We know that because it is the number followed by other numbers.

Best of luck

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Answer:

They are the similar because 2 of their angles are identical and that means that the third angles have to be the same also.

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