Operations on Radical Expressions - Yay Math
This covers how to rationalize square roots, even complicated ones, such as square roots in the denominator and the square roots of variables.! This clip includes some subtitles to help you along. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=4688635244729629838&q=source:012956945238798337823&hl=en Produced by Robert Ahd
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Algebra Imaginary and Complex numbers
This fun video gives a brief introduction to the imaginary number in Algebra.
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A particularly important set of debates arises in relation to different notions of distributive justice. Do notions of distributive justice apply to the rights of individuals and the acts that they commit, or do they also apply to states of affairs, to the pattern of the results arising from those actions? In the former case, an outcome is just or unjust if it arises from just or unjust actions; whereas in the latter, the principles of justice apply to the pattern of outcomes. This latter not
Author(s): The Open University

Distance Formula
This video explains how to derive the distance formula, which is used to find the straight distance between two points in a coordinate plane, by Using what we know about the Pythagorean theorem. The distance formula is a standard formula that allows us to plug a set of coordinates into the formula and easily calculate the distance between the two. (4:26)
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Volume of a Cone | Khan Academy
We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define them, and what they teach us about the world at large--from math to architecture to biology to astronomy (and everything in between). Learning geometry is about more than just taking your medicine ("It's good for you!"), it's at the core of everything that exists--including you. Having said all that, some of the specific top
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While the identified objectives and constraints have been referred to constantly during the development stage, the testing stage of the approach is a more formal analysis of each option. Its objective is to determine whether:

• the option will meet the operational objectives

• it is technically feasible

• it is organisationally feasible

• it will meet the financial objectives.

Author(s): The Open University

Types of Clouds
This is a short slide show of various cloud types that is accompanied by music (the song Stormy Weather). (03:54)
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This course was written by Dr Sean Crawford

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Grateful acknowledgement is made to the fo
Author(s): The Open University

A hacker who threatens your organisation's information assets is taking advantage of vulnerabilities in the media and systems which handle them. Vulnerabilities and threats clearly go hand-in-hand: each threat is directed at a vulnerability.

The relationship between information assets, threats, vulnerabilities and existing defences is illustrated in Author(s): The Open University

This course was written by Dr Debbie Brunton.

This free course is an adapted extract from the course A218 Medicine and Society in Europe, 1500–1930, which is currently out of presentation

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Author(s): The Open University

Influential Drummers - Rock Drums
Learn more about Rod's course at: http://bit.ly/ABCqvs Rod has over 35 years of real-life performing experience, which includes recording on over 50 CDs and playing over 3,000 concerts in 25 countries. Rod is a founding member of the Emmy-nominated progressive rock fusion group the Dixie Dregs, and an original member of the heavy metal band Winger, whose recordings have reached gold and platinum status around the world.
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Posing Beauty | 03/14/11
“Black is Beautiful” - Deborah Willis, artist, historian, and curator, explores the history of this idea, from early slave images to an iconic 1970s photo of model Suzanne Taylor. “Posing Beauty: African American Images from the 1890s to the Present,” will be at the Newark Museum through April 28th. Willis, a MacArthur “Genius,” has a new book out as well: “Michelle Obama: The First Lady in Photographs.”
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How to take flow cytometry samples
Learn how to take flow cytometry samples for ocean field work. Suggested for Prochlorococcus field sampling for flow cytometry. See chisholmlab.mit.edu for protocol references.
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In the previous section we saw how to add two vectors and how to multiply a vector by a scalar, but we did not consider how to multiply two vectors. There are two different ways in which we can multiply two vectors, known as the dot product (or scalar product) and the vector product. They are given these names because the result of the first is a scalar and the result of the second is a vector. (We shall not consider vector products in this course.)

In the audio sec
Author(s): The Open University

Referencing is not only useful as a way of sharing information, but also as a means of ensuring that due credit is given to other people’s work. In the electronic information age, it is easy to copy and paste from journal articles and web pages into your own work. But if you do use someone else’s work, you should acknowledge the source by giving a correct reference.

Taking someone's work and not indicating where you took it from is termed plagiarism and is regarded as an infringemen
Author(s): The Open University

Zumba Cotton Eyed Joe
Zumba Dee teaches Cotton Eyed Joe (4:17)
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try 9

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WGS.SP.400 Special Topics in Women & Gender Studies Seminar: Latina Women's Voices (MIT)
This course will explore the rich diversity of women's voices and experiences as reflected in writings and films by and about Latina writers, filmmakers, and artists. Through close readings, class discussions and independently researched student presentations related to each text, we will explore not only the unique, individual voice of the writer, but also the cultural, social and political contexts which inform their narratives. We will also examine the roles that gender, familial ties and soc
Author(s): King, Sarah E.

So far in this course we have been looking at how you can improve your understanding of other people's texts and diagrams. I have shown you some study techniques that you can use to ‘translate’ text into diagrams and diagrams into meaningful text. However, this discussion has been focused on what you can do for yourself. At some point, you'll have to produce assignments that require, or will be enhanced by, the use of diagrams. One of the first decisions you'll face is whether to use an e
Author(s): The Open University

This Key Skill Assessment Course offers an opportunity for you to select and prepare work that demonstrates your key skills in the area of: improving your own learning and performance.

This course provides you with advice and information on how to go about presenting your key skills work as a portfolio.

In presenting work that demonstrates your key skills you are taking the initiative to show that you can develop and improve a particular set of skills, and are able to use your ski
Author(s): The Open University