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  2. Grade (slope) - Wikipedia

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

    [1] [2] as a ratio of one part rise to so many parts run. For example, a slope that has a rise of 5 feet for every 1000 feet of run would have a slope ratio of 1 in 200. (The word "in" is normally used rather than the mathematical ratio notation of "1:200".) This is generally the method used to describe railway grades in Australia and the UK.

  3. Slope - Wikipedia

    en.wikipedia.org/wiki/Slope

    Slope illustrated for y = (3/2)x − 1.Click on to enlarge Slope of a line in coordinates system, from f(x) = −12x + 2 to f(x) = 12x + 2. The slope of a line in the plane containing the x and y axes is generally represented by the letter m, [5] and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line.

  4. Roof pitch - Wikipedia

    en.wikipedia.org/wiki/Roof_pitch

    Greek: the ridge height is 1 ⁄ 9 to 1 ⁄ 7 the span (an angle of 12.5° to 16°); Roman: the ridge height is 2 ⁄ 9 to 1 ⁄ 3 the span (an angle of 24° to 34°); Common: the rafter length is 3 ⁄ 4 the span (about 48°); Gothic: the rafters equal the span (60°); and; Elizabethan: the rafters are longer than the span (more than 60°). [7]

  5. Stream gradient - Wikipedia

    en.wikipedia.org/wiki/Stream_gradient

    It is a dimensionless quantity, usually expressed in units of meters per kilometer (m/km) or feet per mile (ft/mi); it may also be expressed in percent (%). The world average river reach slope is 2.6 m/km or 0.26%; [2] a slope smaller than 1% and greater than 4% is considered gentle and steep, respectively. [3]

  6. Swiss flag concerns over Trump's US tariff hike proposals - AOL

    www.aol.com/news/swiss-raise-concerns-trumps...

    Economists have estimated that Swiss economic output could be reduced by 1% if severe amplification effects like a trade war broke out or companies started relocating to avoid tariffs.

  7. Tape correction (surveying) - Wikipedia

    en.wikipedia.org/wiki/Tape_correction_(surveying)

    For common tape measurements, the tape used is a steel tape with coefficient of thermal expansion C equal to 0.000,011,6 units per unit length per degree Celsius change. This means that the tape changes length by 1.16 mm per 10 m tape per 10 °C change from the standard temperature of the tape.

  8. How much does a 1% change in mortgage rates actually ... - AOL

    www.aol.com/finance/how-much-does-1-percent...

    Here's a look at what a 1% or 2% rate reduction on a 30-year fixed mortgage might save you on a loan that size. Interest rate. Monthly payment. Total interest charges. Monthly savings vs. 8%.

  9. Savings interest rates today: Make more on your money this ...

    www.aol.com/finance/savings-interest-rates-today...

    1.35% Down 3 basis points Pulling back on average rate updates over the past year shows minimal movement for traditional savings accounts with bigger movement on short- and long-term CDs.