115 C H A P T E R 3 Linear Equations and Matrices In this chapter we introduce matrices via the theory of simultaneous linear equations. This method has the advantage of leading in a natural way to the concept of the reduced row-echelon form of a matrix. In addition, we will for-mulate some of the basic results dealing with the existence and uniqueness of systems of linear equations.
United States has a total of 19,924 km of coastline. In Argentina, that number is 4,989 km. Category: United States vs. Argentina - Coastline. The statistics on this page are calculated using data sourced from The World Factbook (2017 data).
Image: Luca Galuzzi. Argentina is an independent state and a republic which occupies much of the southern part of South America. With an area of 2,780,400 kmÂ², it is the 8th largest country in the world and the second-largest country in South America (after Brazil).mage: Luca Galuzzi. Argentina is an independent state and a republic which occupies much of the southern part of South America. With an area of 2,780,400 kmÂ², it is the 8th largest country in the world and the second-largest country in South America (after Brazil).