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3 years ago

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Mathematics

1 answer:

Rainbow [258]3 years ago

6 0

All of them will be subset of real numbers.

Explanation? — Refer to the attached image.

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Please could someone explain this to me?

qwelly [4]

Ok so A is the same as the square root of 4b+c but all of the numbers and the answer have to be prime numbers

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2 years ago

What is one way to test whether an unknown solution is acidic or basic?

jasenka [17]

Answer:

Bases change red litmus into blue and bases have a slippery and soapy texture. Therefore, we can conclude that out of the given options, one way to test whether an unknown solution is acidic or basic is to check whether the solution has a slippery feel

Step-by-step explanation:

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2 years ago

Would 20, 40, 30 form a right angle

Mashutka [201]

Yes because if you add forty and thirty that equals seventy plus twenty is 90 which is a right angle

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2 years ago

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I’ll give brainliest to the right answer plz help

BigorU [14]

9514 1404 393

Answer:

water

Step-by-step explanation:

Comparison of numbers can be done a couple of different ways. One way is to subtract one from the other. If the difference is positive, the minuend (first number) is the larger of the two.

Another way is to divide one number by the other. If the ratio is more than 1, then the numerator is the larger number.

For numbers in scientific notation, the division is perhaps the easiest. Here, that gives you ...

$\displaystyle\frac{\text{water mass}}{\text{oxygen mass}}=\frac{2.99\times10^{-26}\text{ kg}}{2.66\times10^{-26}\text{ kg}}=\frac{2.99}{2.66}\approx 1.12$

This value is greater than 1, so the mass of a water molecule is greater.

You will note that the multipliers (10^-26 kg) cancelled because they were equal. If they are unequal, the usual rules of exponents apply.

5 0

2 years ago

EEEE

Mariulka [41]

Answer:

1. not a function

2. all states

3. all capital

4. Every domain element is paired with only one range element.

Step-by-step explanation:

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2 years ago