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Math

Join our Math World now to meet up with other math students and mathematicians on the Web. Learn how to perform basic math functions, and share your own tips and tricks for solving problems and calculating answers for everything math related, from algebra to geometry to trigonometry to advanced calculus.
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Jul 13, 2010

In this Education video tutorial you will learn how to perform short division. The first example is a division by a single digit; 741 divided by 3. You write it as shown in the video and start dividin ...

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Jul 13, 2010

In this video, we learn how to back out the tax from a receipt. If you have a receipt where you see how much you paid and know the tax rate, except you want to figure out the cost of the item before t ...

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Jul 13, 2010

This video tutorial is in the Education category which will show you how to convert Fahrenheit to Celsius in your head. This method is a good estimate for converting temperatures. However, do not use ...

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Jul 13, 2010

In this Education video tutorial you will learn how to divide fractions with examples. For example let us divide 1/5 with 3/4. This we can do by changing the division sign in to multiplication sign pr ...

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Jul 13, 2010

In this video tutorial, viewers learn how to find the area of a rectangle. The formula for finding the area of a rectangle is: A= b x h. The base is the horizontal bottom lie of the rectangle and the ...

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Jul 10, 2010

Math is unreasonably effective in describing the natural universe. Anyone who's seen Walt Disney's  Donald in Mathmagic Land knows this to be so. Well, the axiom works in reverse, too: The physical st ...

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Jul 3, 2010

In order to add unlike fraction, using basic math, you will need to find the lowest common multiples of the denominators. In order to add 5/12 and 1/6, you will need to make the denominators the same ...

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Jul 3, 2010

In order to add mixed number in fractions, in a math problem, you will need to focus on the denominator. The denominator is the lower number in the fraction. The top number is called the numerator. ...

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Jul 3, 2010

In order to simplify complex variables, you must first consider the numerical values separate from the variable. In the case of 24x/48x, you would look at the numbers alone to see if they have any fa ...

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Jul 2, 2010

In this Education video tutorial you will learn how to know if matrices can be multiplied. If the column of the first and the row of the second match, you can multiply them. For example if, matrix A h ...