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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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Oct 7, 2015

How to multiply complex numbers (numbers with i) 0:20 (-4)^i After multiplying the complex numbers you then use the patterns of i0:35 This problem involves multiplying two complex numbers together.(9- ...

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Oct 2, 2015

Exponent Rules Dividing Exponents with like basesThere are two rules to remember when you are dividing exponents with like bases.Divide the coefficientsSubtract the exponents Today we are going to loo ...

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Oct 1, 2015

Directions for finding the height of a cylinder given the volumeThe sample problem isFind the height of a cylinder with a volume of 288p and a radius of 6 units The solution is found by plugging your ...

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Oct 1, 2015

Example problems dividing rational exponents. (fractional exponents) The video covers the rules for dividing fractional exponents. Fractional exponents are also called rational exponents. Video Guide0 ...

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Sep 30, 2015

The slant height is used to find the total surface area of a pyramid. The slant height is not the height of the pyramid. This video describes how to find the slant height of a pyramid. Question answer ...

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Sep 29, 2015

Finding arc length and sector area using radians0:00 Review of converting degrees to radians and radians to degrees0:43 200 degrees is how many radians0:55 315 degrees is how many radians?2:05 Radian ...

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Sep 24, 2015

Learn how to multiply two digit numbers in your head. This short cut teaches you to round the numbers to the closes ten so and then multiplying. As a result you have nice easy numbers that you can the ...

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Sep 22, 2015

Is the equation m=5p or c=p/-4 a direct variation or an indirect variation. The video explains how to tell the difference. A chart is provided that helps you classify the equations along with sample p ...

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Sep 22, 2015

What are perpendicular lines or what is perpendicular? Well perpendicular are two lines that intersect at 90 degree angles. So let's look at a couple of examples of where we will see those. So we have ...

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Sep 18, 2015

Directions for finding the side length of an isosceles triangle.Find the length of side a of an isosceles triangle with a height of 10 and a base of 8. ...