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  2. Rate of return - Wikipedia

    en.wikipedia.org/wiki/Rate_of_return

    The annualized return (annual percentage yield, compound interest) is higher than for simple interest because the interest is reinvested as capital and then itself earns interest. The yield or annualized return on the above investment is 4.06 % = ( 1.01 ) 4 − 1 {\displaystyle 4.06\%=(1.01)^{4}-1} .

  3. Acid dissociation constant - Wikipedia

    en.wikipedia.org/wiki/Acid_dissociation_constant

    In the example shown at the right, the pK a value rises steeply with increasing percentage of dioxane as the dielectric constant of the mixture is decreasing. A pK a value obtained in a mixed solvent cannot be used directly for aqueous solutions. The reason for this is that when the solvent is in its standard state its activity is defined as one.

  4. Pound sterling - Wikipedia

    en.wikipedia.org/wiki/Pound_sterling

    The Hatter's hat shows an example of the old pre-decimal notation: the hat costs 10/6 (ten shillings and sixpence, a half guinea). Before decimalisation in 1971, the pound was divided into 20 shillings, and each shilling into 12 pence, making 240 pence to the pound. The symbol for the shilling was "s."

  5. Science - Wikipedia

    en.wikipedia.org/wiki/Science

    Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology ...

  6. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    A percentage over 80 is considered excellent; between 60 and 80 is considered to be 'first division'; between 40 and 60 is considered to be 'second division'. The Percentage System works as follows: the maximum number of marks possible is 100, the minimum is 0, and the minimum number of marks required to pass is 35.

  7. Proportionality (mathematics) - Wikipedia

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

    Given an independent variable x and a dependent variable y, y is directly proportional to x [1] if there is a positive constant k such that: = The relation is often denoted using the symbols "∝" (not to be confused with the Greek letter alpha) or "~", with exception of Japanese texts, where "~" is reserved for intervals:

  8. List of cities in Australia by population - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_in...

    Each capital city forms its own Greater Capital City Statistical Area (GCCSA), which according to the Australian Bureau of Statistics (ABS) represents a broad functional definition of each of the eight state and territory capital cities. [1]

  9. LGBTQ demographics of the United States - Wikipedia

    en.wikipedia.org/wiki/LGBTQ_demographics_of_the...

    As a percentage of all US adults, 3.1% identify as bisexual, 1.4% as gay, 0.7% as lesbian, and 0.6% as transgender. [ 63 ] According to a 2021 report from the Human Rights Campaign (HRC), "at least 20 million adults in the United States could be lesbian, gay, bisexual or transgender people."