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miv72 [106K]
3 years ago
10

Plz solve this if u know plz​

Mathematics
2 answers:
salantis [7]3 years ago
5 0
<h3>Solution:</h3>

{64}^{ -  \frac{1}{3} } ( {64}^{ \frac{1}{3} }  -  {64}^{ \frac{2}{3} } ) \\  {64}^{ \frac{1}{3} -  \frac{1}{3}  }  -  {64}^{ \frac{2}{3}  -  \frac{1}{3} }  \\  {64}^{0}  -  {64}^{ \frac{1}{3} }  \\ 1 -  \sqrt[3]{64}  \\ 1 - 4 \\  - 3

<h3>Answer:</h3>

- 3

Nutka1998 [239]3 years ago
3 0

Answer:

- 3

Step-by-step explanation:

Using the rules of exponents/ radicals

a^{\frac{m}{n} } ⇔ \sqrt[n]{a^{m} }

a^{-m} ⇔ \frac{1}{a^{m} }

Thus

64^{\frac{1}{3} } = \sqrt[3]{64} = 4

64^{-\frac{1}{3} } = \frac{1}{4}

64^{\frac{2}{3} } = \sqrt[3]{64^{2} } = 4² = 16

Substituting values into the given expression

\frac{1}{4} (4 - 16)

= \frac{1}{4} × - 12

= - 3

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Find the distance between the given points (2,8) and (7,7)
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Answer:

d=\sqrt{26}\approx5.0990

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula.

The distance formula is:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Let (2,8) be x₁ and y₁ and let (7,7) be x₂ and y₂. Thus:

d=\sqrt{(7-2)^2+(7-8)^2}

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d=\sqrt{5^2+(-1)^2}

Square:

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Add:

d=\sqrt{26}\approx5.0990

And that's our answer :)

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3 years ago
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2 years ago
Umm I don’t remember this please help. I will give correct answer brainliest
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Option D

Step-by-step explanation:

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