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  2. Ratio - Wikipedia

    en.wikipedia.org/wiki/Ratio

    Mathematically, we write 40:60 = 2:3, or equivalently 40:60∷2:3. The verbal equivalent is "40 is to 60 as 2 is to 3." A ratio that has integers for both quantities and that cannot be reduced any further (using integers) is said to be in simplest form or lowest terms.

  3. Random close pack - Wikipedia

    en.wikipedia.org/wiki/Random_close_pack

    Random close packing (RCP) of spheres is an empirical parameter used to characterize the maximum volume fraction of solid objects obtained when they are packed randomly. For example, when a solid container is filled with grain, shaking the container will reduce the volume taken up by the objects, thus allowing more grain to be added to the container.

  4. Ejection fraction - Wikipedia

    en.wikipedia.org/wiki/Ejection_fraction

    Modalities applied to measurement of ejection fraction is an emerging field of medical mathematics and subsequent computational applications. The first common measurement method is echocardiography, [7] [8] although cardiac magnetic resonance imaging (MRI), [8] [9] cardiac computed tomography, [8] [9] ventriculography and nuclear medicine (gated SPECT and radionuclide angiography) [8] [10 ...

  5. History of the United States public debt - Wikipedia

    en.wikipedia.org/wiki/History_of_the_United...

    From fiscal years 2001 to 2009, spending increased by 6.5% of gross domestic product (from 18.2% to 24.7%) while taxes declined by 4.7% of GDP (from 19.5% to 14.8%). Spending increases (expressed as percentage of GDP) were in the following areas: Medicare and Medicaid (1.7%), defense (1.6%), income security such as unemployment benefits and ...

  6. Progressive tax - Wikipedia

    en.wikipedia.org/wiki/Progressive_tax

    Pitt's new graduated (progressive) income tax began at a levy of 2 old pence in the pound (1 ⁄ 120 or 0.83%) on annual incomes over £60 and increased up to a maximum of 2 shillings (10%) on incomes of over £200. Pitt hoped that the new income tax would raise £10 million, but actual receipts for 1799 totalled just over £6 million.

  7. Tax Cuts and Jobs Act - Wikipedia

    en.wikipedia.org/wiki/Tax_Cuts_and_Jobs_Act

    The Act to provide for reconciliation pursuant to titles II and V of the concurrent resolution on the budget for fiscal year 2018, [2] Pub. L. 115–97 (text), is a congressional revenue act of the United States originally introduced in Congress as the Tax Cuts and Jobs Act (TCJA), [3] [4] that amended the Internal Revenue Code of 1986.

  8. Hematocrit - Wikipedia

    en.wikipedia.org/wiki/Hematocrit

    The hematocrit (/ h ɪ ˈ m æ t ə k r ɪ t /) (Ht or HCT), also known by several other names, is the volume percentage (vol%) of red blood cells (RBCs) in blood, [1] [2] measured as part of a blood test. [3] The measurement depends on the number and size of red blood cells. [3] It is normally 40.7–50.3% for males and 36.1–44.3% for ...

  9. Walmart - Wikipedia

    en.wikipedia.org/wiki/Walmart

    Walmart Neighborhood Market, former also known as "Neighborhood Market by Walmart" or informally known as "Neighborhood Walmart", [153] is Walmart's chain of stores ranging from 28,000 to 65,000 square feet (2,600 to 6,000 square meters) and averaging about 42,000 square feet (3,900 square meters), about a fifth of the size of a Walmart ...