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likoan [24]
3 years ago
11

Which of the following best represents a compound?

Mathematics
1 answer:
Ronch [10]3 years ago
7 0

Answer:

The answer to your question is: Salt

Step-by-step explanation:

Element: is a substance that cannot be converted into another substance.

Compound: is a substance that is formed by 2 or more elements.

Mixture: is a substance composed by 2 or more compounds.

Iron                            it is an element

Salt                            it is a compound

River sediment        it is a mixture

Ocean water           it is a mixture

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Answer:

x = 8

Step-by-step explanation:

Using the sine or cosine ratio in the right triangle and the exact value

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sin30° = \frac{opposite}{hypotenuse} = \frac{4}{x} = \frac{1}{2} ( cross- multiply )

x = 8

5 0
3 years ago
The sum of 5 and y is greater than or equal to 7
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Answer:

5 + y ≥ 7

Step-by-step explanation:

"The sum of 5 and y"

The sum of two items will be the two items added, and in this case, it is 5 and y, or

5 + y.

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Here, use the symbol, ≥, and 7.

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Step-by-step explanation:

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