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Ierofanga [76]
1 year ago
11

Why is it important for chemists to study changes in the world at a submicroscopic level

SAT
1 answer:
Nady [450]1 year ago
4 0
The changes you see with your eyes begin with changes at the microscopic level so models enable chemists to understand difficult they can’t normally see
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is it possible to cut a square with the length of side equals 1m out of the circle piece of tin with the diameter 1.4m?
zhannawk [14.2K]
• We’re trying to inscribe a square inside of a circle
• If we bisect the square, we get two triangles with right angles
• Circle diameter = 1.4m = hypothenuse of triangles = 2 * radius
• 2r = r * sqrt(2) + r * sqrt(2)
• We want to know the value of r * sqrt(2) is since that’s one of the sides of the inscribed square
• (0.7) * sqrt(2) = 0.99 m = side of inscribed square
• 0.99m < 1 m side
• So we are just barely not able to cut a 1m sided square in a circle piece of tin with 1.4m diameter
8 0
3 years ago
Why was it important to expand american influence in china
sleet_krkn [62]

Answer:China was "lucrative trade markets."

Explanation:It gave a nation exclusive trade rights in a particular region of China. Helping them make a lot of money

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3 years ago
Pls help I really need an answer​
Sergio [31]

Answer:

0

Explanation:

Use pythagorean theorem, and get that 40 is the height (50-10), while half of the cable is 40, so 0 is the distance.

5 0
3 years ago
The concept of comparative advantage makes the assumption that everyone will be better off
andrezito [222]
<span>The concept of comparative advantage makes the assumption that everyone will be better off producing enough of a good to consume domestically with enough to export. The main idea of comparative advantage is that it is quite profitable to produce goods and services at a lower opportunity cost, and it is not necessary to produce it in a great volume. This concept is totally opposite to the absolute advantage theory.<span>
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6 0
4 years ago
Read 2 more answers
Please use the text box to complete the following sentence. On the harpsichord, tones are produced by strings stretched over the
Ipatiy [6.2K]

On the harpsichord, tones are produced by strings stretched over a soundboard.

<h3>What is the use of the harpsichord?</h3>

On the harpsichord, tones are made by strings that are said to be stretched over in the soundboard, that is known to be a thin piece of wood that increases or amplifies the sound that is given by the strings.

Note that harpsichord keyboard is said to be not touch-sensitive and as such, On the harpsichord, tones are produced by strings stretched over a soundboard.

\

Learn more about harpsichord from

brainly.com/question/6872552

#SPJ1

3 0
2 years ago
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