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Fractions can be used to represent ratios and division. [1] Thus the fraction 3 / 4 can be used to represent the ratio 3:4 (the ratio of the part to the whole), and the division 3 ÷ 4 (three divided by four). We can also write negative fractions, which represent the opposite of a positive fraction.
For example, the ratio 4:5 can be written as 1:1.25 (dividing both sides by 4) Alternatively, it can be written as 0.8:1 (dividing both sides by 5). Where the context makes the meaning clear, a ratio in this form is sometimes written without the 1 and the ratio symbol (:), though, mathematically, this makes it a factor or multiplier .
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 ...
The richest 1 percent of households held only 8.5% of total income in the late 18th century. The Gini coefficient , which measures inequality on a scale from 0 to 1(with 1 being very high inequality) was 0.367 in New England and the Middle Atlantic, as compared to 0.57 in Europe.
For children, a typical fraction size may be 1.5 to 1.8 Gy per day, as smaller fraction sizes are associated with reduced incidence and severity of late-onset side effects in normal tissues. In some cases, two fractions per day are used near the end of a course of treatment.
For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the 3 rd power: 1000 = 10 3 = 10 × 10 × 10. More generally, if x = b y, then y is the logarithm of x to base b, written log b x, so log 10 1000 = 3. As a single-variable function, the logarithm to base b is the inverse of exponentiation with base b.
[3] [1] For example, in a bibliography of 12,000 references on marriage and family from 1900 to 1964, the term gender does not even emerge once. [3] Analysis of more than 30 million academic article titles from 1945 to 2001 showed that the uses of the term "gender" , were much rarer than uses of "sex" , was often used as a grammatical category ...
In 2020, North Carolina like much of the U.S. experienced a decline in its non-Hispanic white population; at the 2020 census, non-Hispanic whites were 62.2%, Blacks or African Americans 20.5%, American Indian and Alaska Natives 1.2%, Asians 3.3%, Native Hawaiian and other Pacific Islanders 0.1%, people from other race 5.9%, and multiracial ...