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Hace 2 horas · Composition. "Do They Know It's Christmas" was co-written by Bob Geldof (left) and Midge Ure (right) and produced by Ure. Geldof's and Ure's biggest challenge was to write a song that could be recorded and released in time for Christmas. They realised that they would have to write one themselves and not record a cover version; otherwise, they ...
Hace 2 horas · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
Hace 1 día · Portland (/ ˈ p ɔːr t l ə n d / PORT-lənd) is the most populous city in the U.S. state of Oregon, located in the Pacific Northwest region. Situated in the northwestern area of the state at the confluence of the Willamette and Columbia rivers, it is the county seat of Multnomah County, Oregon's most populous county.As of 2020, Portland's population was 652,503, making it the 26th-most ...
