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See also fórmula
From Wiktionary under the GNU Free Documentation License. In mathematics, a formula (plural: formulas or formulae ) is an entity constructed using the symbols and formation rules of a given logical language. In science, a formula is a concise way of expressing information symbolically (as in a mathematical or chemical formula), or a general relationship between quantities. Colloquial use of the term in mathematics often refers to a similar construct. Such formulas are the key to solving an equation with variables. For example, the problem of determining the volume of a sphere is one that requires a significant amount of integral calculus to solve. However, having done this once, mathematicians can produce a formula to describe the volume in terms of some other parameter (the radius for example). This particular formula is: Having determined this result, and having a sphere of which we know the radius we can quickly and easily determine the volume. Note that the quantities V, the volume, and r the radius are expressed as single letters. This convention, while less important in a relatively simple formula, means that mathematicians can more quickly manipulate larger and more complex formulae. Expressions are distinct from formulas in that they cannot contain an equals sign; whereas formulas are comparable to sentences, expressions are more like phrases. In a general context, formulae are applied to provide a mathematical solution for real world problems. Some may be general: F = ma, which is one expression of Newton's second law, is applicable to a wide range of physical situations. Other formulae may be specially created to solve a particular problem; for example, using the equation of a sine curve to model the movement of the tides in a bay. In all cases however, formulae form the basis for all calculations. From Wikipedia under the
GNU Free Documentation License How does the formula of a cycloalkane differ from that of the corresponding alkane? Q. A) The cycloalkane has two fewer hydrogen atoms in its formula. B) The cycloalkane has two more hydrogens in its formula. C) The cycloalkane has one more hydrogen in its formula. D) The cycloalkane has one fewer hydrogen atoms in its formula. Asked by kieyah566 - Mon Apr 6 09:56:32 2009 - - 1 Answers - 0 Comments A. A cycloalkane has two fewer hydrogen atoms in its formula. Formula for alkane: C(n)H(2n+2) Formula for cycloalkane: C(n)H(2n) Answered by kumorifox - Mon Apr 6 10:07:15 2009 What is a formula to explain why increasing CO2 in water leads to a lower pH? Q. I understand that carbon dioxide is soluble in water, but how does that lead to a lower pH, and how would I write a formula to show that? Also: What is a formula I can use to explain how a lower pH would affect the CO3 in the ocean? Why? How would a change in the CO3 affect the calcification rate in a coral reef? Asked by Generally Confused - Sun Aug 24 14:06:48 2008 - - 1 Answers - 0 Comments A. CO2 conbine with water to form carbonic acid H2CO3 Low pH will cause a reaction with CO32- which is bacis and eventually reduce the amount of CO32- available for calcification Answered by M - Sun Aug 24 14:16:53 2008 What formula do I use to find out the percentage of a larger number?
Q. For example: If my gross weekly income is $564.38, and my net is $500.00, what percent of $564.38 is $500.00? What's the formula so I can figure it out myself? Asked by mcclean5552 - Mon Feb 4 21:08:22 2008 - - 2 Answers - 0 Comments A. gross/net*100 (this will be greater than 100% because you're dividing a smaller number (net) into the larger number(gross) or what % of 500.00 is 564.38 Just switch the net and gross and this %age will be less than 100% net/gross*100 Answered by 93TTZ - Mon Feb 4 21:13:49 2008 From Yahoo Answer Search: "formula" Roush OK with NASCAR action
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