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A lot of things. For example: partial differential equations are used to find weak points in aircraft before they fly, group theory is used to encrypt data over the internet, …multi-particle stochastic processes, can tell us how diseases will spread, and how traffic behaves on roads, as well as how an economy works. Maths is also used in all sciences - everything scientists do they could not do without mathematics. On a lower level, it allows us to count how many things we have, and to decide for instance that 3 loaves of bread is better than 2. (MORE)

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Study hard.Try not to make careless mistakes.Ask the teacher for help if you need it, that is what they're there for!Engage in class, show your teacher you engage and pay atte…ntion.Practice. Part of excelling in Math is understanding the material, and part is just being able to recognize which method applies to the particular problem that you are solving. The only way to hone that skill is to practice - eg. do all of the assigned problems. Remember to try as hard as you can. Depending on the level of math course you are in, sometimes it helps to study in groups, and get in with someone who seems to understand the material. And of course, there are several members here on WikiAnswers that like to help. (MORE)

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In Physics

because it has a magnitude but no direction, whereas vector quantities have a magnitude and a direction.

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Scalars have magnitude only. They are specified by a number with a unit and obey the rules of arithmetic and ordinary algebra. Vectors have both magnitude and direction and ob…ey the special rules of vector algebra. (MORE)

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A triangle whose all the three sides are of different measurements is called a scalene triangle.

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the 5s because it has better service but it dosent have diffrent colrs just silver gold and black

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In Physics

Scalar waves are a type of electromagnetic that works outside of physics. They have to do with points in space.

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Current is not scalar. Current is a vector quantity. For simplicity, in electric circuits, current is scalar because the direction is assumed to be one way or another, r…ather than three dimensional. (MORE)

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Generally, to get many jobs, all you need is a GCSE in mathematics and English - however depending on the job, other people are likely to be more qualified... An AS level in m…athematics is not a large step up from GCSE and so it doesn't open many doors - if you are studying for A levels and applying for university however, the only qualifications you would have would be GCSEs and AS levels, and so your AS levels will help your application for university. (MORE)

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20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4