Verizon Communications Inc said on Monday that it would buy Yahoo Inc’s core internet properties for $4.83 billion in cash, marking the end of the line for a storied web pioneer and setting the stage for a big new internet push by the telecom giant. The high-profile Yahoo CEO Marissa Mayer said, “Yahoo is a company that has changed the world and will continue to do so through this combination with Verizon and AOL.”.