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2 years ago

8 powered to the next third - 9•2 divided by 3

Mathematics

1 answer:

Svet_ta [14]2 years ago

4 0

Answer:

2³ = 2 · 2 · 2 = 8

The phrase "two to the third power" or "two cubed" has a base of 2, an exponent of 3, and means that 2 is used as a factor 3 times. When math is typed on one line rather than written by hand, 2³ is sometimes written as 2^3 where the caret seperates the base from the exponent so the expression translates as "2 to the 3rd power."

Step-by-step explanation:

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2 years ago

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2 years ago

2/3 x+(-3)+(-2)-1/3 x

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Answer: what method are you using?

Step-by-step explanation:

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2 years ago

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Please give a worked explanation! Thanks :)

ozzi

When you add any fractions, you need to find a common denominator. In this case they have no common factors so you just multiply them together. First multiply the first fraction by $\frac{x - 2}{x - 2}$ which gets you $\frac{3x - 6}{ x^{2} - 2x}$ . Then multiply the second fraction by $\frac{x}{x}$ to get $\frac{5x}{ x^{2} - 2x}$ . Now you can add them together to get $\frac{-2x - 6}{ x^{2} - 2x}$ .

(b) $\sqrt{18} = \sqrt{9 * 2} = 3 \sqrt{2}$
$\sqrt{72} = \sqrt{36 * 2} = 6 \sqrt{2}$
now you can pull out root 2 and get $\sqrt{2}(3 - 1 + 6)$ which equals $8 \sqrt{2}$

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2 years ago

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