<u>Answer:</u>
(A) Studying algebraic equations in math.
This was made possible by contributions of Islamic civilizations
<u>Explanation:</u>
“Muslim scholars” contributed largely in the field of Mathematics in the golden age of Islamic civilization. “Arabic number system” is widely used even today.
The first great achievement was introduction of ‘’Arabic numerals’’. It explains the "place-value" theory, which allows numbers to be expressed by “nine figures” and zero. This development made calculation very simple and also paved the way for the development of a completely new division of mathematics which is “algebra”. Even Arabic words entered Western vocabulary like “Al-JABR” became “Algebra”.
<span>Shifts </span>between<span> cautious cooperation and often bitter superpower rivalry over the years. </span>
Early mercantilism meant primarily aiming to reduce imports. This issue is related mainly to articles of luxury. The mercantilists believed fact that the foundation of the wealth of the state is a positive trade balance - the dominance of exports over imports. Source of such beliefs lay still in the medieval practice of governance - the monarchs gather financial reserves necessary for an effective policy. <span>However, in the developed theory of mercantilism, welfare of the residents and the strength of the state directly combined with the development of the industry. It is associated with it hopes for economic self-sufficiency of the country. In addition, the mercantilists preached direct relationship between economic power of the country's human potential.</span>
A coefficient is the number attached to a term. In this case we want to know the number attached to the term c
14a - 72r - c - 34d
If there is no number visible in front of a coefficient then you can assume that there is an invisible 1 in front of it.
14a - 72r - 1c - 34d
This case the coefficient of the c-term is:
-1
The reason it is negative and not just positive 1 is because the subtraction sign acts as a negative sign
Hope this helped!
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How was transportation standardized under the Qin?
Axles of carriages were the same length
