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koban [17]
3 years ago
9

What integer should be added to -9 to get a sum of 0?

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

(-9) + 9 = 0

The integer that should be added is nine

Step-by-step explanation:

when you have a negative integer and you added it by itself but it's a positive instead of a negative the positive takes over the negatives and makes it zero. I hope that made sense

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A 15 oz box of cereal cots 3.75 how much does a 21 oz box cost
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Answer:

$5.25

Step-by-step explanation:

3.75/15= 0.25 per oz

0.25* 21= 5.25

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3 years ago
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3 years ago
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Lim x-&gt;-5(((1)/(5)+(1)/(x))/(10+2x))=<br><br>correct answer 1/10x = -1/50<br><br>explain:
slava [35]

Given:

The limit problem is:

lim_{x\to -5}\dfrac{\dfrac{1}{5}+\dfrac{1}{x}}{10+2x}

To find:

The value of the given limit problem.

Solution:

We have,

lim_{x\to -5}\dfrac{\dfrac{1}{5}+\dfrac{1}{x}}{10+2x}

It can be written as:

=lim_{x\to -5}\dfrac{\dfrac{x+5}{5x}}{2(5+x)}

=lim_{x\to -5}\dfrac{x+5}{5x}\times \dfrac{1}{2(5+x)}

=lim_{x\to -5}\dfrac{1}{5x\times 2}

=lim_{x\to -5}\dfrac{1}{10x}

Applying limit, we get

lim_{x\to -5}\dfrac{1}{10x}=\dfrac{1}{10(-5)}

lim_{x\to -5}\dfrac{1}{10x}=\dfrac{1}{-50}

Therefore, the value of given limit problem is -\dfrac{1}{50}.

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2 years ago
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