फिल्म और एनिमेशन
Simultaneous equations are where we work with two algebreic equations to solve unknowm variables.
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How Many Faces, Edges And Vertices Does A Cube Have?
Here we’ll look at how to work out the faces, edges and vertices of a cube.
We’ll start by counting the faces, these are the flat surfaces that make the cube. A cube has 6 faces altogether - all square in shape.
Next we’ll work out how many edges the cube has, which are where two faces meet. A cube has 12 edges.
Next we’ll count the corners of the cube (the corners). Do that and you'll get 8.
For the full playlist for the faces, edges and Vertices of a whole lot of 3D shapes go to https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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It is easy to find the greatest common factor using the eucliean method. This is the fastest method of working out greatst common factors short of knowing all the factors for every number!
This method works rapidly even for large numbers and utilises the Euclidean algorithm.
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This fast math trick can be used to mentally work out the main basic trigonometric ratios instantly! With this fast mental math technique you can work out the sin, the cos, and even the tan of the most common angles in no time at all! Become the trigonometry master!
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Basic plan reading.
This lesson lloks at some basic calculations involved - how to work out the position of objects such as a window.
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How to multiply numbers numbers calculating the fast way! Using this method you will be able to multiply any pair of two and three digit numbers with each other quickly and accurately! Become a math genius in no time at all using vedic math!
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Percentages can be done mentally as quickly as you can work out basic multiplication.
Use this trick to work out percentages instantly.
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Short division is the easiest way to do division with big numbers, as well as when you have remainders. This math lesson has lots of examples, including how to treat remainders as either fractions or decimals.
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Five fast and easy math tricks for fast multiplication. Great mental math tricks.
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Adding large numbers in your head? No problem - just go left to right using this easy math trick!
Youtube and tecmath has your back - with this, the easiest addition trick ever!
How to instantly add large sets of three digit numbers mentally.
Using this mental math method you will be able to add any number of three digit numbers with each other - faster than a calculator! Become a math genius in no time using this trick!
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Ratios are used to compare different quantities. In this introduction to ratios we will look at what ratios are, how we deal with ratios of different measurement units and that ratios can be simplified.
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Age problems in maths can be solved easily by combining all the information into a single equation and then solving. Lots of examples here too. No trick here - just step by step on how to solve.
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Simultaneous equations three variables using elimination - easy - eliminate down from three equations with three variables, to two equations with two variables...to your answer!
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Simplifying ratios involving fractions
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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#fractions
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Want to work out the percentage of a number?
Want to do percentages in your head?
Want to work out percentages instantly?
This is all about percentages - how to work them out - fast.
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It really helps and is appreciated!
#percentage #percentages
Long Division is easy - just follow these simple steps.
1. Divide
2. Multiply
3. Subtract
4. Bring Down
That's it.
No fuss. No worries. Math made easy.
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Combinations are easy to work out and understand using the right method. Combinations differ from permutations in that with combinations order does not matter....so take this into account and the answer is easy.
Part of the permutations and combinations playlist: https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Long division is not hard when you use this fast easy math method.
This long division trick will see you right!
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Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. In this video we look at the use of trigonometry with right triangles, solving for both sides and angles.
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BTW for those interested - the history of trigonometry history is fascinating!
The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.
The use of trigonometry really took off due to it's use in navigation - trigonometry has been used for locating latitudes and longitudes of sailing vessels, plotting courses, and calculating distances during navigation.
Trigonometry is still used in navigation through such means as the Global Positioning System and artificial intelligence for autonomous vehicles.
But the truly cool trigonomic endevour was The Great Trigonomical Survey.
The Great Trigonometrical Survey was a project which aimed to measure the entire Indian subcontinent with scientific precision. It was begun in 1802 and completed of it in 1871.
Among the many accomplishments of the survey was measurement of the height of the Himalayan giants: Everest, K2, and Kanchenjunga. The Survey had an enormous scientific impact as well, being responsible for one of the first accurate measurements of a section of an arc of longitude.
Triangulation surveys were based on a few carefully measured baselines and a series of angles. The initial baseline was measured with great care, since the accuracy of the subsequent survey was critically dependent upon it. Various corrections were applied, principally temperature. An especially accurate folding chain was used, laid on horizontal tables, all shaded from the sun and with a constant tension. The early surveys made use of large and bulky theodolites made by William Carey, a Zenith sector made by Jesse Ramsden and 100-foot (30 m) chains!
Interesting aside - Everest was one of the leaders of the survey - and his name was pronounced Eve-rest not Ever-est! To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
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Solving percent problems is easy. By using this percentage trick to easily break down the percentage into different parts, you can solve percentage problems in your head in a matter of seconds.
This trick also is explained so you will know what you are doing and have a deeper understanding of what percentages are and how to solve them.
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Want to knowhow to multiply some big numbers almost instantly in your head?
This trick is a great addition to add to your mental math toolbox.
Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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Convert any decimals to fractions with these awesome math tricks!
Easy basic decimals - 1:43
Simple recurring Decimals (eg 0.7777 or 0.242424) - 3:33
Harder recurring decimals (eg 0.1666 or 0.916666) - 7:35
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Add any fraction instantly using this fast math trick! No working out common denominators - just direct addition! Become a math genius in no time!
This video is part of a playlist:
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL
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The game of nim is an easy to learn math strategy game, that can be played anywhere with matchsticks, rocks, twigs....
But best of all, whilst it looks fair, there is a math strategy you can employ to win everytime!
Game of Nim link: https://www.archimedes-lab.org..../game_nim/play_nim_g
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Square any number up to 1000 with this easy to understand fast math trick!
How fast? Some can be done instantly - others will take up to 5 seconds - as you can see in the thumbnail.
For this math technique you will square each of the digits then add them to the digits multiplied by themselves and 2...all really easy calculations.
This trick is based in Vedic math - an Indian system of mathematics.
Maths is made easy with tecmath helping!
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