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3 years ago

4, 14, 6, 9, 21, 3, 7, 10

Mathematics

1 answer:

nekit [7.7K]3 years ago

5 0

The correct answer is C.

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If 100 books cost 20 dollars, how many books can cost 5 dollars?

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Answer: 25 books. you can buy 25 books with 5 dollars

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3 years ago

Simplify the expression 2x+3(x-6)

Bingel [31]

Answer:

5x-18

Step-by-step explanation:

2x+3x-18

5x-18

if ur in college how do u not know this :P

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3 years ago

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2 years ago

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Helppppp 78 squared to the 3rd

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The answer would be:

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3 years ago

Find the domain of the rational expression: x-3/2x-8

miss Akunina [59]

Answer:

$\huge\boxed{x\neq4\to x\in\mathbb{R}\backslash\{4\}}$

Step-by-step explanation:

$\dfrac{x-3}{2x-8}$

We know: the denominator must be different than 0.

Therefore

$2x-8\neq0$ <em>add 8 to both sides</em>

$2x-8+8\neq0+8$

$2x\neq8$ <em>divide both sides by 2</em>

$\dfrac{2x}{2}=\dfrac{8}{2}\\\\x\neq4$

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3 years ago