Answer:
Ancient Nubian cultures were sophisticated and cosmopolitan, as the region served as a major trading center for goods from the African interior, Arabian desert, and Mediterranean basin. From sub-Saharan Africa, Nubian communities traded gold, ivory, ebony, and animal pelts.
It was an ideal center for trade because it was along the Nile River and near overland trade routes.
0 will the error in prediction be when the absolute value of the correlation coefficient is 1.
The precise metric used in a correlation analysis to quantify the strength of the linear relationship between two variables is the correlation coefficient. In a correlation report, r stands for the coefficient.
In statistics, correlation coefficients are frequently utilized in the field of investing. They are crucial in fields including performance assessment, quantitative trading, and portfolio composition. The correlation coefficient's numerical component expresses how strong the link is. The variables are more firmly associated and the more predictable changes in one variable will be as the other variable changes the closer the number is to one, whether it is negative or positive.
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Answer:
Algebra
Explanation:
The way I know this is from the creator of Algebra being Al-Khwarizmi.The way algebra was made was from him who had focused on solving computations problems.
We are what makes the earth. Our actions are what shapes the world and yourself. For an example: If everyone recycled we could reuse certain materials and make the earth less polluted. It's up to you to have the future of your planet be the way you want it to be.
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
In a speech given on March 5, 1946, British Prime Minister Winston Churchill said an "iron curtain has descended across the continent". What was Churchill describing in his speech?
Former British Prime Minister Winston Churchill referred to the Berlin War that divided East Germany from West Germany.
Winston Churchill's "Iron Curtain speech" referred to the control and dominance the Soviet Union was exerting over some European countries, establishing what he called "an iron curtain that has descended across the continent."
Those were the satellite nations that teh Soviet Union controlled. The USSR considered them as a "buffer state" in the case western nations tried to invade the Soviet Union. We are talking about East Germany, Czechoslovakia, Bulgaria, Romania, Poland, and Albania.
Churchill delivered this speech on March 5, 1946, in a College in Fulton, Missouri, before US President Harry S. Truman. Both men expressed their concerns about the international scenario and USSR activities under the leadership of Joseph Stalin that wanted to spread Communism in different nations.