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Cubic Mile A CUBIC MILE (abbreviation: CU MI or MI3 ) is an imperial and US customary (nonSI nonmetric ) unit of volume , used in the United States, Canada and the United Kingdom. It is defined as the volume of a cube with sides of 1 mile (5280 feet , 1760 yards or ~1.609 kilometres ) in length . CONTENTS * 1 Symbols * 2 Conversions * 3 See also * 4 References SYMBOLSThere is no universally agreed symbol but the following are used [...More...]  "Cubic Mile" on: Wikipedia Yahoo 

Barrel A BARREL, CASK, or TUN is a hollow cylindrical container, traditionally made of wooden staves bound by wooden or metal hoops. Traditionally, the barrel was a standard size of measure referring to a set capacity or weight of a given commodity. For example, in the UK a barrel of beer refers to a quantity of 36 imperial gallons (160 L; 43 US gal). Wine Wine was shipped in barrels of 119 litres (31 US gal; 26 imp gal). Modern wooden barrels for winemaking are either made of French common oak ( Quercus robur Quercus robur ) and white oak ( Quercus petraea ) or from American white oak ( Quercus alba Quercus alba ) and have typically these standard sizes: "Bordeaux type" 225 litres (59 US gal; 49 imp gal), "Burgundy type" 228 litres (60 US gal; 50 imp gal) and " Cognac Cognac type" 300 litres (79 US gal; 66 imp gal) [...More...]  "Barrel" on: Wikipedia Yahoo 

Square Mile The SQUARE MILE (abbreviated as SQ MI and sometimes as MI²) is an imperial and US unit of measure for an area equal to the area of a square with a side length of one statute mile . It should not be confused with miles square, which refers to a square region with each side having the specified length. For instance, 20 miles square (20 × 20 miles) has an area equal to 400 square miles; a rectangle of 10 × 40 miles likewise has an area of 400 square miles, but it is not 20 miles square. One square mile is equal to: * 4,014,489,600 square inches * 27,878,400 square feet * 3,097,600 square yards * 640 acres * 2560 roods A square mile is equivalent to the following metric measures: * 25,899,881,103.36 square centimetres * 2,589,988.110336 square metres * 258.9988110336 hectares * 2.589988110336 square kilometres When applied to a portion of the earth's surface, which is curved rather than flat, "square mile" is an informal synonym for section [...More...]  "Square Mile" on: Wikipedia Yahoo 

Bushel A BUSHEL (abbreviation: BSH. or BU.) is an imperial and US customary unit of weight or mass based upon an earlier measure of dry capacity . The old bushel was equal to 2 kennings (obsolete), 4 pecks or 8 gallons and was used mostly for agricultural products such as wheat . In modern usage, the volume is nominal, with bushels denoting a mass defined for each commodity differently. The name "bushel" is also used to translate similar units in other measurement systems. CONTENTS * 1 Name * 2 History * 3 Volume * 4 Weight Weight * 5 Other units * 6 See also * 7 References * 8 External links NAMEThe name comes from the Old French Old French boissiel and buissiel, meaning "little box". It may further derive from Old French Old French boise, thus meaning "little butt " [...More...]  "Bushel" on: Wikipedia Yahoo 

Gallon The GALLON (/ˈɡælən/ ) is a unit of measurement for liquid capacity in both the US customary units and the British imperial systems of measurement. Three significantly different sizes are in current use: the imperial gallon defined as 7000454609000000000♠4.54609 litres , which is used in the United Kingdom, Canada Canada , and some Caribbean Caribbean nations; the US gallon defined as 231 cubic inches (3.785 L), which is used in the US and some Latin American and Caribbean Caribbean countries; and the leastused US dry gallon defined as 1⁄8 US bushel (4.405 L). While there is no official symbol for the gallon (as there are for SI units), GAL is in common use [...More...]  "Gallon" on: Wikipedia Yahoo 

Cubic Kilometre The CUBIC METRE (in British English and international spelling as used by the International Bureau of Weights and Measures International Bureau of Weights and Measures ) or CUBIC METER (in American English ) is the SI derived unit SI derived unit of volume . Its SI symbol is M3. It is the volume of a cube with edges one metre in length. An alternative name, which allowed a different usage with metric prefixes , was the stère , still sometimes used for dry measure (for instance, in reference to wood ). Another alternative name, no longer widely used, was the kilolitre [...More...]  "Cubic Kilometre" on: Wikipedia Yahoo 

Cubic Function In algebra , a CUBIC FUNCTION is a function of the form f ( x ) = a x 3 + b x 2 + c x + d {displaystyle f(x)=ax^{3}+bx^{2}+cx+d} in which a is nonzero. Setting f(x) = 0 produces a CUBIC EQUATION of the form a x 3 + b x 2 + c x + d = 0. {displaystyle ax^{3}+bx^{2}+cx+d=0.,} The solutions of this equation are called roots of the polynomial f(x). If all of the coefficients a, b, c, and d of the cubic equation are real numbers then there will be at least one real root (this is true for all odd degree polynomials). All of the roots of the cubic equation can be found algebraically . (This is also true of a quadratic or quartic (fourth degree) equation, but no higherdegree equation, by the Abel–Ruffini theorem ). The roots can also be found trigonometrically . Alternatively, numerical approximations of the roots can be found using rootfinding algorithms like Newton\'s method . The coefficients do not need to be complex numbers [...More...]  "Cubic Function" on: Wikipedia Yahoo 

Special SPECIAL or SPECIALS may refer to: CONTENTS * 1 Music * 2 Film and television * 3 Other uses * 4 See also MUSIC * Special (album) , a 1992 album by Vesta Williams * "Special" (Garbage song) , 1998 * "Special" (Mew song) , 2005 * "Special" (Stephen Lynch song) , 2000 * The Specials The Specials , a British band * "Special", a song by Violent Femmes on The Blind Leading the Naked * "Special", a song on [...More...]  "Special" on: Wikipedia Yahoo 

Cubic Equation In algebra , a CUBIC FUNCTION is a function of the form f ( x ) = a x 3 + b x 2 + c x + d {displaystyle f(x)=ax^{3}+bx^{2}+cx+d} in which a is nonzero. Setting f(x) = 0 produces a CUBIC EQUATION of the form a x 3 + b x 2 + c x + d = 0. {displaystyle ax^{3}+bx^{2}+cx+d=0.,} The solutions of this equation are called roots of the polynomial f(x). If all of the coefficients a, b, c, and d of the cubic equation are real numbers then there will be at least one real root (this is true for all odd degree polynomials). All of the roots of the cubic equation can be found algebraically . (This is also true of a quadratic or quartic (fourth degree) equation, but no higherdegree equation, by the Abel–Ruffini theorem Abel–Ruffini theorem ). The roots can also be found trigonometrically . Alternatively, numerical approximations of the roots can be found using rootfinding algorithms like Newton\'s method [...More...]  "Cubic Equation" on: Wikipedia Yahoo 

Cube Root In mathematics , a CUBE ROOT of a number x is a number such that a3 = x. All real numbers (except zero) have exactly one real cube root and a pair of complex conjugate cube roots, and all nonzero complex numbers have three distinct complex cube roots. For example, the real cube root of 8, denoted 3√8, is 2, because 23 = 8, while the other cube roots of 8 are −1 + √3i and −1 − √3i. The three cube roots of −27i are 3 i , 3 3 2 3 2 i , and 3 3 2 3 2 i . {displaystyle 3i,quad {frac {3{sqrt {3}}}{2}}{frac {3}{2}}i,quad {text{and}}quad {frac {3{sqrt {3}}}{2}}{frac {3}{2}}i.} The cube root operation is not associative or distributive with addition or subtraction . In some contexts, particularly when the number whose cube root is to be taken is a real number, one of the cube roots (in this particular case the real one) is referred to as the principal cube root, denoted with the radical sign 3√ [...More...]  "Cube Root" on: Wikipedia Yahoo 

Cube (arithmetic) In arithmetic and algebra , the CUBE of a number n is its third power : the result of the number multiplied by itself twice: n3 = n × n × n. It is also the number multiplied by its square : n3 = n × n2. This is also the volume formula for a geometric cube with sides of length n, giving rise to the name. The inverse operation of finding a number whose cube is n is called extracting the cube root of n. It determines the side of the cube of a given volume. It is also n raised to the onethird power. Both cube and cube root are odd functions : (−n)3 = −(n3). The cube of a number or any other mathematical expression is denoted by a superscript 3, for example 23 = 8 or (x + 1)3. The graph of the cube function f: x → x3 (or the equation y = x3) is known as the CUBIC PARABOLA [...More...]  "Cube (arithmetic)" on: Wikipedia Yahoo 

Acrefoot The ACREFOOT is a unit of volume commonly used in the United States in reference to largescale water resources, such as reservoirs , aqueducts , canals , sewer flow capacity, irrigation water, and river flows. CONTENTS * 1 Definitions * 2 Application * 3 See also * 4 Notes * 5 References DEFINITIONSAs the name suggests, an acrefoot is defined as the volume of one acre of surface area to a depth of one foot . Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acrefoot is 43,560 cubic feet (1,233 m3). There are two definitions of an acrefoot (differing by about 0.0006%), depending on whether the "foot" used is an "international foot" or a "U.S. survey foot" . 1 acrefoot = 43,560 cubic feet = 75,271,680 cu in 1 international acrefoot = 43,560 international cubic feet ≈ 1,233.48183754752 m3 ≈ 271,328.072596 imp gal ≈ 325,851 3⁄7 US gal 1 U.S. survey acrefoot = 43,560 U.S [...More...]  "Acrefoot" on: Wikipedia Yahoo 

Cubic Foot The CUBIC FOOT is an imperial and US customary (nonmetric ) unit of volume , used in the United States, and partially in Canada, and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length . Its volume is 28.3168 liters or about 1⁄35 of a cubic meter . At 60 °F, a cubic foot of water weighs 62.36630 pounds (28.28888 kg) [...More...]  "Cubic Foot" on: Wikipedia Yahoo 

United States Customary Unit UNITED STATES CUSTOMARY UNITS are a system of measurements commonly used in the United States United States . The UNITED STATES CUSTOMARY SYSTEM (USCS or USC) developed from English units English units which were in use in the British Empire before the U.S. became an independent country. However, the United Kingdom's system of measures was overhauled in 1824 to create the imperial system , changing the definitions of some units. Therefore, while many U.S. units are essentially similar to their Imperial counterparts, there are significant differences between the systems . However, in the U.S. the term "imperial" is commonly used when one is referring to a U.S. customary unit. The majority of U.S. customary units were redefined in terms of the meter and the kilogram with the Mendenhall Order of 1893 and, in practice, for many years before. These definitions were refined by the international yard and pound agreement of 1959 [...More...]  "United States Customary Unit" on: Wikipedia Yahoo 