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Percentage of land in protected areas by country, 2017. 30 by 30 (or 30x30) is a worldwide initiative for governments to designate 30% of Earth's land and ocean area as protected areas by 2030.
The percent value is computed by multiplying the numeric value of the ratio by 100. For example, to find 50 apples as a percentage of 1250 apples, one first computes the ratio 50 / 1250 = 0.04, and then multiplies by 100 to obtain 4%. The percent value can also be found by multiplying first instead of later, so in this example, the 50 would be ...
Proof (the term degrees proof is not used), defined as being twice the percentage of alcohol by volume, may be optionally stated in conjunction with the ABV. For example, whisky may be labeled as 50% ABV and as 100 proof; 86-proof whisky contains 43% ABV.
List of human disease case fatality rates. Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it ( cf. mortality rate ).
At relatively low alc/vol, the alcohol percentage by weight is about 4/5 of the alc/vol (e.g., 3.2% ABW is about 4% alc/vol). However, because of the miscibility of alcohol and water, the conversion factor is not constant but rather depends upon the concentration of alcohol.
Duty cycle is commonly expressed as a percentage or a ratio. A period is the time it takes for a signal to complete an on-and-off cycle. As a formula, a duty cycle (%) may be expressed as: = %
The following is a list of U.S. states, territories and the District of Columbia ranked by the proportion of African Americans of full or partial descent, including those of Hispanic origin, in the population.
Modern gasoline engines have a maximum thermal efficiency of more than 50%, but most road legal cars are only about 20% to 40% when used to power a car. Many engines would be capable of running at higher thermal efficiency but at the cost of higher wear and emissions.
The list below displays each city (or city-equivalent) in the fifty states, the District of Columbia, and Puerto Rico with a population over 100,000 and a Black proportion over 30% as of the 2020 Census.
Yearly usage share of web browsers from 2009 to 2023 according to StatCounter. The usage share of web browsers is the portion, often expressed as a percentage, of visitors to a group of web sites that use a particular web browser .