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  2. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    Grade is usually expressed as a percentage, but this is easily converted to the angle α by taking the inverse tangent of the standard mathematical slope, which is rise / run or the grade / 100. If one looks at red numbers on the chart specifying grade, one can see the quirkiness of using the grade to specify slope; the numbers go from 0 for ...

  3. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is the quotient. Unlike the other basic operations, when dividing natural numbers there is sometimes a remainder that will not go evenly into the dividend; for example, 10 / 3 leaves a remainder of 1, as 10 is not a multiple of 3.

  4. Baker percentage - Wikipedia

    en.wikipedia.org/wiki/Baker_percentage

    10 kg ÷ 10 kg = 1.000 = 100% water: 3.5 kg: 3.5 ... baker's percentage divided by the formula percentage expressed as parts per hundred, an ingredient's mass can ...

  5. List of countries by carbon dioxide emissions - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    In 2016, the global average temperature was already 1.1°C above pre-industrial levels. [ 15 ] According to the review of the scientific literature conducted by the Intergovernmental Panel on Climate Change (IPCC), carbon dioxide is the most important anthropogenic greenhouse gas by warming contribution. [ 16 ]

  6. Fuel economy in aircraft - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_aircraft

    In 2018, CO₂ emissions totalled 747 million tonnes for passenger transport, for 8.5 trillion revenue passenger kilometres (RPK), giving an average of 88 grams CO₂ per RPK; [2] this represents 28 g of fuel per kilometre, or a 3.5 L/100 km (67 mpg ‑US) fuel consumption per passenger, on average. The worst-performing flights are short trips ...

  7. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    The contribution of the muscle to the specific heat of the body is approximately 47%, and the contribution of the fat and skin is approximately 24%. The specific heat of tissues range from ~0.7 kJ · kg−1 · °C−1 for tooth (enamel) to 4.2 kJ · kg−1 · °C−1 for eye (sclera). [13]

  8. List of United States records in masters athletics - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    1.73 m (5 ft 8 in) Willie Banks: 1956-Mar-11 60 Norwalk, California 2016-May-28 65-69 1.66 m (5 ft 5 + 1 ⁄ 4 in) Phil Fehlen 1935-Jul-03 65 Eugene, Oregon 2000-Aug-12 USATF Masters Championships 70-74 1.58 m (5 ft 2 in) David Montieth 1945-Aug-31 70 Grand Rapids, Michigan 2016-Jul-16 USATF Masters Championships James Sauers 1948-Jun-01 70

  9. Telecommunications - Wikipedia

    en.wikipedia.org/wiki/Telecommunications

    In a simplified example, if a binary message 1011 was transmitted with signal amplitudes [1.0 0.0 1.0 1.0] and received with signal amplitudes [0.9 0.2 1.1 0.9] it would still decode to the binary message 1011— a perfect reproduction of what was sent.