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3 years ago

Is this correct? I have an open dot on 2 with the arrow going to the right if it's not clear

Mathematics

1 answer:

dlinn [17]3 years ago

7 0

Answer:

Yep! an open dot is <

A closed dot means ≤

Hope this helps! :)

If you don't mind please mark as brainliest! :)

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Which set of three numbers could be the side lengths of an triangle 3,5,9 2,4,6 2,4,8 3,5,7

Zielflug [23.3K]

Answer:

3,5,7

Step-by-step explanation:

to find which set it is you have to add the first too like this

3+5 >7 if greater than 7 move on too this

5+7>3 if greater move on to this

3+7>5 if greater that means it is a set you can use

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3 years ago

What is the square root of 45

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Answer:

It is approximately ~6.70820393

Step-by-step explanation:

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Nookie1986 [14]

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Step-by-step explanation:

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3 years ago

PLEASE HELP ASAP NO LINKS

marshall27 [118]

Answer:

105 11/12

Step-by-step explanation:

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2 years ago

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In Image:

iris [78.8K]

Answer:

The answer to your question is x ≠ -10 x ≠ 2 x ≠ -2

Solution $\frac{(x- 8)(x + 2)}{(x + 8)(x - 2)}$

Step-by-step explanation:

Process

1.- Factor all the polynomials

$\frac{x^{2} -3x - 40}{x^{2} + 8x - 20} / \frac{x^{2}+ 13x + 40}{x^{2}+ 12x + 20}$ = $\frac{(x-8)(x + 5)}{(x + 10)(x- 2)} / \frac{(x+ 8)(x + 5)}{(x + 10)(x + 2)}$

2.- Invert the second term

= $\frac{(x- 8)(x + 5)}{(x +10)(x - 2)} \frac{(x+ 10)(x + 2)}{(x + 8)(x +5)}$

3.- Simplify

= $\frac{(x- 8)(x + 2)}{(x + 8)(x - 2)}$

4.- x must be different to

x ≠ -10 x ≠ 2 x ≠ -2

This values are from the factor expressions and then equal to zero.

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3 years ago