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chubhunter [2.5K]
3 years ago
9

Which inequality is true when X = -8?

Mathematics
1 answer:
alexgriva [62]3 years ago
4 0

Answer:

<u>2</u>

Remember:

+ and - = -

- and + = -

- and - = +

+ and + = +

1. -4 +(-8) > 20

-4 - 8 > 20

-12 > 20? Incorrect

2. -7 - 4(-8) < 27

-7 + 32 < 27

25 < 27? Correct

3. 8 + 3(-8) > -10

8 - 24 > -10

-16 > -10? Incorrect

4. 5 - 2(-8) < 15

5 + 16 < 15

21 < 15?, Incorrect

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<h3><u> The complete exercise is: Two percent of Sennie's skin cells were burned when she escaped from a fire. If 3.5*10^{10} of her skin cells were burned then, how many skin cells were not burned?​</u></h3><h3 />

Let be "x" the number of Sennie's skin cells that were not burned when she escaped from the fire.

According the the data given in the exercise, you know that 2% represents 3.5*10^{10} of Sennie's skin cells that were burned. This means that the percent of her skin cells that were not burned is:

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x=1.715*10^{12}

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