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  2. Fuel fraction - Wikipedia

    en.wikipedia.org/wiki/Fuel_fraction

    Fuel fraction is a key parameter in determining an aircraft's range, the distance it can fly without refueling. Breguet ’s aircraft range equation describes the relationship of range with airspeed , lift-to-drag ratio , specific fuel consumption , and the part of the total fuel fraction available for cruise, also known as the cruise fuel ...

  3. Air pollutant concentrations - Wikipedia

    en.wikipedia.org/wiki/Air_pollutant_concentrations

    = fraction of the emitted exhaust gas, by volume, which is water vapor As an example, a wet basis concentration of 40 ppmv in a gas having 10 volume percent water vapor would have a: C dry basis = 40 ÷ ( 1 - 0.10 ) = 44.4 ppmv.

  4. 4:44 - Wikipedia

    en.wikipedia.org/wiki/4:44

    4:44 is the thirteenth studio album by American rapper Jay-Z, released on June 30, 2017, through Roc Nation as an exclusive to Sprint and Tidal customers. The album was the first in a planned series of music exclusives from the Sprint–Tidal partnership, which never came to fruition due to Sprint's demise in 2020.

  5. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using degrees-minutes-seconds notation. As with ...

  6. 4:44 (song) - Wikipedia

    en.wikipedia.org/wiki/4:44_(song)

    "4:44" is a song by American hip hop artist Jay-Z, released as the lead single from his thirteenth studio album of the same name. It was written by Jay-Z and its producer No I.D.

  7. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    In the figure, the fraction 1/9000 is displayed in Excel. Although this number has a decimal representation that is an infinite string of ones, Excel displays only the leading 15 figures. In the second line, the number one is added to the fraction, and again Excel displays only 15 figures. In the third line, one is subtracted from the sum using ...

  8. Goldbach's conjecture - Wikipedia

    en.wikipedia.org/wiki/Goldbach's_conjecture

    Goldbach's conjecture is one of the oldest and best-known unsolved problems in number theory and all of mathematics.It states that every even natural number greater than 2 is the sum of two prime numbers.

  9. Core-Plus Mathematics Project - Wikipedia

    en.wikipedia.org/wiki/Core-Plus_Mathematics_Project

    Core-Plus Mathematics, CCSS Edition. Core-Plus Mathematics is a high school mathematics program consisting of a four-year series of print and digital student textbooks and supporting materials for teachers, developed by the Core-Plus Mathematics Project (CPMP) at Western Michigan University, with funding from the National Science Foundation.