3 years ago

What is the definition of a irrational number?

1 answer:

4 0

Answer:

A real number that can NOT be made by dividing two integers (an integer has no fractional part). "Irrational" means "no ratio", so it isn't a rational number.

Step-by-step explanation:

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How much of salt would you get if you evaporate all water from 20g of a 17% salt solution?

vredina [299]

Answer:

3.4 grams

Step-by-step explanation:

The water 20g has salt solution of 17%.

If you were to evaporate all the water.

17% × 20

0.17 × 20 = 3.4

You would get 3.4 grams of salt.

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3 years ago

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2 years ago

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3 years ago

Why is the derivative equals to 0?

Lisa [10]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

• tan²x + 1 = sec²x

⇒ tan²x - sec²x = - 1

Thus the derivative reduces to

$\frac{d}{dx}$ ( - 1 ) = 0

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3 years ago