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How To: Find Z with the Z-Score formula

In this video tutorial the instructor shows how to find Z with the Z-Score formula. He uses a sample problem to show how to find this. He tells you the formula for z which is a real simple formula. Now he notes down the formula on the board and brings in the example problem with sample values. He substitutes the values in the z-score formula and solves it finding out the z value. This video shows how to find z using the z-score formula and also demonstrates the formula using a simple example.

How To: Find the perimeter & area of a complex figure

In this video tutorial the author shows how to find the perimeter and area of a complex figure. He shows that a complex figure can be subdivided into standard geometric figures. In the current example he divides the complex figure into a rectangle and a triangle. Now he computes the perimeter by adding the three sides of the rectangle and the two sides of the triangle. Similarly he computes the individual areas of the rectangle and the triangle and finally adds then up to find the area of the...

How To: Find the vertical asymptotes of rational functions

To find a vertical asymptote, you are trying to find values of x that produce 0 in the denominator but not in the numerator. If 0/0 occurs, that means you have a "hole" in the graph. A vertical asymptote is a place in the graph of infinite discontinuity, where the graph spikes off to positive or negative infinity. To find the vertical asymptote, set the denominator equal to zero and solve for x. Check that the values also do not give a zero in the nominator. If the values work, you have found...

How To: Understand positive, negative, zero & undefined slopes

This video explains how to find the sign of slope of a line. The way shown means that you can find whether it is positive or negative without knowing its equation. It uses a simple analogy so that anyone would be able to use this method, even without much math knowledge. Being able to find the slope of a line is very important, as it leads to advanced function and calculus.

How To: Find the areas of a parallelogram and a triangle

The video teaches the viewer how to find the area of a parallelogram and the area of a triangle. For a parallelogram, the first step is to find the right angle, the line perpendicular to the base (this is a line you draw, not part of the parallelogram). The height of the line that forms this right angle with the base is the perpendicular height. Next, find the length of the base. The area is the base times the height. For a triangle, find the right angle with the base (again a line you draw)....

How To: Find song lyrics online

Get that song you heard on the radio out of your head and into your record collection with this how-to, which will teach you how to find song information using the Google search engine. Find a song by accessing the Internet and typing in lyrics using quotation marks. Learn to find a song with tips from a professional musician in this free video on music.

How To: Fit a hiking backpack correctly

Finding out your torso length is half the battle. Backpacker's Gear editor Kristin Hostetter explains all the strategies to you need to find a good-fitting backpack--from how to simulate a fully-loaded pack, to what to look for in hip belts and shoulder straps. Learn how to find your perfect pack at Gear School - straight from the pages of the March 2007 Gear Guide.

Dissecting Nmap: Part 1

Welcome aboard my inquisitive comrades. I am starting a new series that nobody expected coming. It may not seem very exciting at first, but await the last few parts as many startling discoveries will be made. This is a series which I plan to continue after the completion of Nmap, unless you have major objections.

How To: Find the equation representing a given line in algebra

Need to find the equation of a line? See how it's done with this free video algebra lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tu...

How To: Find the 100th term in a sequence

Need to find the nth term in a given arithmetic sequence? See how it's done with this free video math lesson. Need help finding the From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's seri...

How To: Find the inverse of a function in algebra

Need a little help figuring out how to find the inverse of a function in algebra? Watch this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this free math tutorial, you'll learn how to calculate the inverse of a given algebraic fun...

How To: Find a transformation matrix with respect to a basis

Learn how to find a transformation matrix with respect to a non-standard basis in linear algebra. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test).

How To: Access the Chuck Norris trick on Google

Vince shows viewers hot to access the Chuck Norris trick on Google. First, you need to open your web browser and go to Google. In the Google search bar type in 'Find Chuck Norris' and click 'I'm feeling lucky'. Make sure you do not click enter but the 'I'm feeling lucky' button to the right. You will get a funny message that says 'Google will not search for Chuck Norris because it knows you don't find Chuck Norris, he finds you'! The suggestions should read 'Run before he finds you' and 'Try ...

How To: Disintegrate Objects at Super Speed (You Will Need: Sandpaper & After Effects)

Largely self-taught, Ryan John Kothe is an animator working out of Auckland, New Zealand. After picking up some rudimentary After Effects skills, he went on to create an impressive portfolio of beautifully rendered stop-motion animations with a distinctly tactile feel. Curious about the process behind Worn Out—Ryan's depiction of objects disintegrating in fast-forward (shown below)—we contacted him for a brief Q&A on the techniques behind his work.

How To: Connect to a network using Wi-Fi on a Mac computer

If you want to connect your Mac notebook or desktop to a wireless network, you'll need to set up the wifi connection on your computer first. Take a look at this walkthrough to find out how to find and connect to available wireless networks in OS X. This is a great skill to know if you own an Apple laptop and need to connect to the Wi-Fi networks at different locations.