4 years ago

What is the opposite of taking a power of a number called

1 answer:

5 0

The opposite of a power is a root.

The 5th power of 2 is 32 .
The 5th root of 32 is 2 .

The square of 5 is 25 .
The square root of 25 is 5 .

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Point A is the midpoint of line BC. The coordinate of A is (0,3) and the coordinate of C is (0,11). The coordinate of B is ____.

frez [133]

Step-by-step explanation:

let coordinate of B be x, y

then x+0/2= 0 => x = 0

and y+11/2=3=> y = -5

B= (0,-3)

hope it helps

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2 years ago

13 divide 32,708 what is the answer

mote1985 [20]

Answer:

0.00039745627

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Answer: 29%

Step-by-step explanation:

This is correct on acellus :)

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3 years ago

Simplify this problem

Murrr4er [49]

$\dfrac{49 - \frac{1}{r^2} }{7 - \frac{1}{r} }$

Rewrite the fraction as division:
$= (49 - \dfrac{1}{r^2}) \div (7 - \dfrac{1}{r} )$

Make them into single fraction:
$= \dfrac{49r^2 - 1}{r^2} \div \dfrac{7r - 1}{r}$

Change the divide fraction into multiplication fraction:
$= \dfrac{49r^2 - 1}{r^2} \times \dfrac{r}{7r - 1}$

Factorise the difference of square a² - b² = (a + b) (a - b) :
$= \dfrac{(7r+ 1)(7r - 1)}{r^2} \times \dfrac{r}{7r - 1}$

Cancel the common factors:
$= \dfrac{(7r+ 1)}{r}$

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3 years ago

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Which of the following statements it’s true?

guapka [62]

Answer:

Step-by-step explanation:

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