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Calculating mass is near enough impossible: it has to be measured. You can measure its volume and then if you know its density you can work out the mass. However, that requires you to know that the cube is solid and of uniform material. I am not aware of any non-destructive method of doing so.
how can you specify what the variable stand for, write and equation, and solve this problem. a sewing project requires material costing $44 plus some tassels. if the material and tassels are to be purchased with four $20 bills, how many tassels can be purchased if they cost $2.40 each?
Because pi is an irrational number, it cannot be calculated exactly (as a decimal), so your question is moot. However, since it can be expressed as a ratio or fraction, its "exact" value can nonetheless be used in any mathematical or physical context that requires it; it simply can't be expressed as a decimal or as a fraction. Since pi appears as the results of many calculations, the accuracy of pi affects the accuracy of the calculations, therefore the the use of more accurate calculations of pi is used when these calculations require a very small margin of error.
When we were building our house, there were several things that we used math and geometry for.Probably not a lot of graphing lines and etc. However, one could imagine especially linear calculations. For example, say you need 1 truck load of wood to build 1 house, how many truck loads of wood to build 3 houses? Or, based on the spacing of boards and etc, one would have to calculate the quantity of decking to cover a whole deck. This often requires calculations of areas, adjusting for odd shapes and angles, waste, and etc.We would frequently use a "3-4-5 Triangle" to make things square. And there were some tricky calculations to make our roofline correct using rafters and a sloped roof.
To quantitatively transfer something means to transfer every particle of the material. This is opposed to qualitatively transferring which requires just enough to examine.
Calculating the proper dosages of medication requires precise calculations and measurments.
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Finding the average from the raw data requires a lot more calculations. By using frequency distributions you reduce the number of calculations.
Listening to light material only requires a modest amount of mental effort, while listening effectively to difficult material requires work. People tend to drift away when a speaker starts to talk about unfamiliar or difficult material.
Preparing payrolls only requires very basic math - additions, subtractions, and some percentage calculations.
This is a complicated subject, and not really suited for the short answers provided on WikiAnswers. It also requires extensive pre-requesite knowledge which you may, or may not, have. Furthermore, there are different approaches to fault-level calculations. So, you should really refer to an appropriate textbook on this topic.
As with most advanced math, whether you'll actually use this in "real life" depends on whether you work in engineering or science, or not. You won't have much need for advanced math if you work, say, as a hair stylist, a dentist, or a teacher of non-science subjects. Some uses of vectors (in engineering applications) include: Forces: calculate a resultant force, calculate conditions for equilibrium. Torques: calculate conditions for equilibrium. Momentum: calculations involving collisions. Electricity: add AC currents or voltages in series (requires complex numbers, which can be considered a type of vector); similarly, do calculations of AC currents or voltages in parallel.
Yes
square base unit
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Calculating mass is near enough impossible: it has to be measured. You can measure its volume and then if you know its density you can work out the mass. However, that requires you to know that the cube is solid and of uniform material. I am not aware of any non-destructive method of doing so.
I am guessing you are asking about project management software for project planning? If so the major advantage of software is that it can handle complex calculations to show the project's critical path. These calculations can be done by hand, but become very difficult when you are dealing with projects with hundreds of tasks. Software also takes into account working hours, can handle resources not working full time on tasks, deal with holidays and calculate project costs. That said software won't manage your project for you and MS Project in particular requires specialised knowledge to get the most out of it.