Each year the Congress selects a key theme that is impacting the global retail industry. The 2019 theme truly reflects what successful retail is today – it’s all about speed and dynamism. Those that are winning in today’s supersonic environment are zealously consumer-centric, passionately embrace change and risk, have a simple, agile business model and vision, are blind to borders and are ruthlessly evolving. Simply put, if you aren’t practicing this High Velocity Retail, your relevance, your sales and your business are in danger of dying out. , Circles, Angle Measures, Arcs, Central & Inscribed Angles, Tangents, Secants & Chords - Geometry - Duration: 32:31. The Organic Chemistry Tutor 67,415 views, В более общем виде уравнение Эйлера имеет вид: Это уравнение подстановкой t = ax+b приводится к более простому виду, которое мы и будем рассматривать..