Math and Arithmetic
Math is the study of abstractions. Math allows us to isolate one or a few features such as the number, shape or direction of some kind of object. Then we can study what can be learned about the behavior of those features while ignoring everything else about the object.
Asked in Math and Arithmetic, Prime Numbers, Numbers
The square of certain number exceeds 24 by 5 times the numberwhat is the number?
Asked in Math and Arithmetic, Units of Measure, Volume
How many liters are in one gallon?
1 US gallon = 3.785411784 liters. 1 Imperial (UK) gallon = 4.54609188 liters. 1 liter = 0.26417205 US gallons 1 liter = 0.21996919 Imperial (UK) gallons Conversion to other units: 1 gallon [US, liquid] = 4 US quarts exactly 0.133681 ft3 and 128.000 fluid ounces and 0.003785 m3 and 3785.411 cm3 and 3785.411 ml Note that a liter is constant across the world, so a US liter = a UK, British, English, Canadian, Indian, Chinese, etc... liter. 3.785 liters per gallon.
Asked in Geometry, School Subjects, Math and Arithmetic
How many faces edges and vertices does a rectangular prism have?
Asked in Math and Arithmetic
What is 80000000 plus 4000000 plus 100 plus 8 in standard form?
Asked in Math and Arithmetic, Volume
How are volume units related to length?
Here's all you手机500彩票客户端 need to know to convert between volumes (i.e. m^3 to cm^3). Volume is distance x distance x distance. Any formula you手机500彩票客户端 think about. Cube=L^3 or LxWxH, sphere is 4/3 pi x r^3 (r is distance), cylinder = pi x r^2 x L (r x 2 and L). Why is this? because volume extends to the 3rd dimension. What used confuse me was when my maths teacher said that there were 1,000,000 cm^3 in a metre cubed. I knew that 100cm were in a metre but it confused me passed this. Thing is, that difference becomes cubed due to it being 3rd dimension. i.e. the difference is actually 100x100x100, i.e. 1 million. Some other things to remember. 1 cm^3 is the same as 1 millilitre. cc actually means centimetre cubed, i.e. cm^3. As milli means 1 thousandth there are 1000ml in a litre, therefore 1000cm^3 in a litre. By definition, 1 cubic centimeter (cc or cm3) = 1 milliliter = 1 mL = 1/1000 L. ("Milli" means 1/1000th.) In this way, a standard unit of length, the meter, is directly related to a standard unit of volume, the litre. Thus, there are 1000 mL in a Litre, and that means that one cubic meter = 1000 L x 1000 mL/L = 1,000,000 mL = 1,000,000 cc (or exactly 1x106 cc), NOT 1000 cc as the previous contributor stated. When the previous contributor wrote about a cube, he should have been more clear and wrote: "In the special case of a cube, volume = (length of any side of the cube)3 since all sides of a cube are of equal length." In my opinion, the remainder of what the previous contributor wrote is correct and is a good description. If you手机500彩票客户端 are asking about the standard units of measure used, 1 liter is exactly 1000 cubic centimeters, and one US liquid gallon is exactly 231 cubic inches. If you手机500彩票客户端 are asking about calculating volume, that can be determined from length measurements. In the special case of a cube, volume = length3. . In all other regular objects with straight sides (prism, pyramid, etc.) the volume will have a relationship to the length of any particular object that depends upon the geometry of the shape. In a rectangular prism, such as a shoe box, the volume is directly proportional to the length of any single dimension. . For spherical shapes, the volume is 4/3 pi r3, where r is the length of the radius. For other shapes, the volume formula may be more complicated, and for irregular shapes, the volume may have to be estimated. . Some irregular shapes' volumes cannot be estimated or measured by length. The volume of a daisy flower, for example, can not readily be measured by conventional length measurements because the shape of the object (all those petals, stamen, stigma, filaments, and sepals, not to mention the stem, leaves, and roots) make it too difficult to calculate the volume by measure straight lengths. Other methods are required to measure the volumes of such irregular objects, including liquid displacement or three dimensional surface scanning or tomography.
What are some math words that begin with the letter J?
A list of math terms beginning with J appears below: Jacobi Polynomials Jacobian (A Determinant) Jefferson Factor Jensen's inequality Jet Jeton (not related to Jet) Join (sum of sets) Joint Probability Joint Variation Jordan Canonical Form Jordan Matrix Jump Discontinuity Junctions Justification j (used in electronics to represent the square root of -1) Juxtaposition junction Justify
There is a bus with 7 children inside. Each child has 7 bags. Inside each bag there are 7 big cats. Each big cat has 7 small cats. All cats have 4 legs each. How many legs are on the bus?
As a riddle, the answer is zero legs on the bus since the bus has wheels instead of legs. But as a maths problem; It's not a tricked question -- just a straightforward maths problem Confirmed answer is 10990 legs. § Let's say the whole situation simply : - There are 7 girls. - Each girl has 7 backpack - Each backpack has 7 big cats - Each big cat has 7 little small cats. § Question: How many legs are there in the bus? § Let's focus on each part of the question systematically, write down on a piece of paper if you手机500彩票客户端 have to, following my steps of chains. 1. Focus on the first girl first: A B C D E F G Girl A has 7 backpacks 2. Now focus on first backpack A1 : A1 A2 A3 A4 A5 A6 A7 Backpack A1 has 7 big cats 3. Now focus on first big cat : 1 2 3 4 5 6 7 Ø Each big cats have 7 small cats (that's the end of the focus) Systematically, 7 small cats has 28 legs (7 * 4) combined with the big cat that owns this 7 small cats. Let's call this the "cat chain", so cat chain 1 has 32 legs altogether. Ø So since there are 7 big cats 7 * 32 = 224 legs Ø Therefore each backpack has 224 legs Ø Finally, each girl has 7 * 224 = 1568 legs. Lastly, since there are 7 girls, A to G, there are 7 * 1568 legs (per girl) = 10976 legs. Now, since each girl also has 2 legs each; SO, (7 * 2) + 10976 = 10990 legs altogether Note: Disregarding bus driver, buses and etc…Only focus on the girl and their backpacks! Or There are 7*7 = 49 bags and there are 7 + 7*7 = 56 cats in each bag, meaning there are 56*4 = 224 legs in each bag. So including the 7 children that have 2 legs each, there are 7*2 + 49(224) = 10990 legs in total.
Asked in Math and Arithmetic, Algebra, Geometry
How many faces vertices and edges does a cube have?
Asked in Math and Arithmetic, Area
How many square feet are in 8 foot by 8 foot?
Asked in Math and Arithmetic, Algebra, Area
How much tonnage air conditioner is required for 2779 sq ft?
It depends a great deal on where you手机500彩票客户端 live and how well you手机500彩票客户端r 手机500彩票客户端 is insulated. Square feet is not a great help when planning the size of an air conditioner. It is very useful to also have the cubic feet in the 手机500彩票客户端, along with the sizes and types of windows. Where I live in the northwest US, a 3-ton unit would do the trick easily, but then, we do not get the intensely hot, long summers as you手机500彩票客户端 might in say, Phoenix.
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