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polet [3.4K]
2 years ago
9

What was an abacus used for?

Social Studies
2 answers:
Jlenok [28]2 years ago
7 0

Answer:

The abacus was used for Counting and adding numbers. An abacus was used for math.

aalyn [17]2 years ago
5 0
Counting & adding numbers
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What occurs when the value of a currency is matched ot another currency or other value, such as gold?
Yuliya22 [10]

The determination of the exchange rate is made through the currency market. The exchange rate as the price of a currency is established, as in any other market, by the meeting of supply and demand of currencies. If you analyze, for example, a hypothetical situation, in which there are only two currencies the euro and the dollar. The demand for dollars (supply of euros) arises when consumers in different European countries need dollars to buy goods from the United States. In the same way dollars are needed if a European company wants to buy a building in New York, when a German citizen travels as a tourist to San Francisco or if a Swedish company buys shares in a US entity, but there may still be an additional reason to demand dollars that is pure speculation, that is, the thought that the dollar will rise in value against the euro will cause the demand for dollars to rise.

If the opposite is analyzed, the supply of dollars (demand for euros), this is done by all those companies and citizens who need euros for their needs (basically the same ones that we have analyzed before, purchase of goods and services, investments and speculation. )

The balance in a competitive market between supply and demand will mark the price of the dollar against the euro or what is the same the price of the euro against the dollar. In currency markets depreciation is known as the decline in the price of one currency over another.

3 0
3 years ago
Scientific _____ is a method of testing a hypothesis by unobtrusively watching and recording participants' behavior in a systema
alexira [117]

Scientific observation corresponds to the method of testing hypotheses by unobtrusively watching and recording participants' behavior in a systematic manner.

<h3 /><h3>What is the purpose of scientific observation?</h3>

It consists of scientific research, where the researcher does not interfere with his personal opinions in the study, but rather collects data through different methods, such as documents, interviews and experiments, to measure a hypothesis.

Therefore, scientific observation helps to obtain knowledge through a complex and rigorous methodology to make the study more reliable.

Find out more about scientific method here:

brainly.com/question/17216882

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4 0
1 year ago
A rock on a scale has a mass of 10N out of the water. When the rock is placed underwater, the scale now
oksano4ka [1.4K]

Answer:3 N upward

hope this helps

7 0
2 years ago
A ________ form of government is one in which public policies are developed by the city council and executive and administrative
Korolek [52]

Answer:

Correct answer is (C) council manager

Explanation:

Council managers are derived from traditional rulers and chiefs. Executive and administrative functions are performed by the professionals appointed by the council.

4 0
3 years ago
Your Circle of Mastery (4 points) decreases when you do not reach your goals helps you focus on things you are not good at incre
Natali5045456 [20]

The Circle of Mastery "Increases each time you improve at anything".

<u>Answer: </u> Option C

<u>Explanation:</u>

"The Circle of Mastery" extract the potential from an individual therefore expand on hike of efforts". It Increases each time one improve at anything as its obvious in increment of circle when efforts and determination to achieve target increases.

Failure is not an issue only when efforts for improvement starts from the day of fall and here the way of perfection start, which increases each time on improvement and directly expand the circle of mastery.

6 0
3 years ago
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