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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. - Ask questions in the [/forum/ Forum]. - Share some [/inspiration/ Inspiration]. - Post a [/how-to/ How-To] article. Looking for another interesting topic? Check out all of the other [http://www.wonderhowto.com/worlds/ Worlds] on WonderHowTo! [http://flic.kr/p/5w4B85 header credit]
Teacher explaining weighted average on a whiteboard.
Apr 19, 2010

The way to convert 0.300 Moles of water into Grams is to start by writing what you have. Then put grams on top and moles on the bottom, then put one by the mole, the omler mass goes by grams. Now you ...

How to solve for x: 2x + 4 = 10
Apr 19, 2010

This video demonstrates how to solve for X in algebra. The equation taken for this is 2X+4=10.The first thing you have to do to solve this equation is to get X by itself on one side of the equation. I ...

Handwriting explaining the conversion of a percentage to a decimal.
Apr 19, 2010

Learn how to easily convert percentage values into decimals in this quick video. When converting percentages it is important to remember that a percentage simply means to divide by 100. For example, t ...

A student solving a math problem on a whiteboard with a square inscribed in a circle.
Apr 19, 2010

In this video the tutor explains a four strategies for standardize tests, complete with examples of each, explained fully. The first strategy to prepare for the math section of the PSAT, is simply rea ...

Equation showing 4x + 7 = 15.
Apr 18, 2010

Solving for "x" using multiplication and divisionHere is a typical algebraic equation "2x=12". Multiplication in algebra will have the "x" next to a number. The process will be a combination of multip ...

Step-by-step algebraic equation solution involving the expression 3X – 2 = 6(X - 9) - 5.
Apr 18, 2010

This video demonstrates how to solve algebraic equations of the first degree for the variable, "X"; in other words, the variables contained in these equations are not raised to any power other than on ...

Math problems involving proportions and unit rates.
Apr 18, 2010

In this Education video tutorial you will learn how to solve a word problem that involves proportions. To solve such problems you got to express the scenario in proportions. For example, in the proble ...

Math instructor explaining the relationship between functions on a whiteboard.
Apr 18, 2010

The relationship and the definition of derivatives and anti-derivatives is described in this video. First, consider a function F(x)=x^3-5x+2 and another with small 'f', f(x)=3x-5. f(x) here is the der ...

"How to Find the midpoint of a line segment" cover image
Apr 18, 2010

A good place to start when you want to learn how to find a midpoint of a line is a circle. Take the diameter of a circle, for instance if the coordinates of the starting point are (1,6) and the coordi ...

Instructor explaining concepts related to calculus on a whiteboard.
Apr 18, 2010

Brightstorm explains how to use definite integrals to find area. There are two basic area problems: one in which the area lies between the function and the x-axis, and one where the area lies between ...