Erect means build or upright. If you erect a house, you build it. If you stand erect, you hold your body as tall as possible.
A mathematical model is a description of a system using mathematical concepts and language.The process of building a mathematical model is termed mathematical modeling.Mathematical models are used in the natural sciences (such as physics, biology, earth science, meteorology) and engineering disciplines (e.g. computer science, artificial intelligence). mathematical model is a description of a system using mathematical concepts and language.
Plane Trigonometry: Is it difficult ? First of all, math is my WORST subject. I always just barely passed math in high school (I have a weak math foundation, I struggled with it alot since 3rd grade). The math that that was most tolerable and understandable for me was Geometry. I hated Algebra, Trig. and anything remotely close to it. I'm a... show more First of all, math is my WORST subject. I always just barely passed math in high school (I have a weak math foundation, I struggled with it alot since 3rd grade). The math that that was most tolerable and understandable for me was Geometry.