Common Misconception Search Results

How To: Find the sum of reciprocals of complex numbers

In this tutorial the instructor shows how to calculate the sum of reciprocals of complex numbers. If you have to find out the sum of the reciprocals of two complex numbers first you will have to find out the least common multiple of the denominators. To do this multiply the numerator and denominator of the first fraction by the second complex number. Similarly multiply the numerator and denominator of the second fraction by the first complex number. Now you will have two fractions whose denom...

How To: Multiply or divide rational expressions

318770 Multiply or divide rational expressions. Here Ms Robichaudd guides you nicely that how to multiply or divide rational expressions. She starts with divide and simplify. In first step she shows you how she multiplied and flip. And then to simplify it more she took out the common factor from the bracket to cancel the same numbers from numerator and denominator. In next step she multiplied across and got the final answer. And then she gives other example, Multiply and Simplify. Here again ...

How To: Make a Blue Mediterranean gin cocktail

In this video, Derrick Schommer, sales engineer, podcaster and host of Common Man Cocktails shows viewers how to mix up a Blue Mediterranean. This classy gin cocktail is based on Bombay Sapphire gin, teamed with lemon-and-lime Sprite and Blue Curacao for a sophisticated, slightly sweet drink. The Blue Curacao and gin are placed in a high-ball glass with ice, then the drink is topped off with Sprite and a squeeze of fresh lemon juice.

How To: Divide rational expressions containing trinomials

In this video the instructor shows how to divide rational expressions that contain trinomials. A division containing two fractions can always be turned into a multiplication by multiplying the first fraction by the reciprocal of the second fraction. This way any division can be turned into a multiplication problem and solved easily. Now after you convert the division into multiplication factorize the equations. Now you can factorize the equations by splitting the middle term and grouping it i...

How To: Create Hollister style destroyed jeans using sandpaper

Want to create the look of expensive Hollister designer jeans? Fancy department stores, specialty jean stores and boutiques sell them for outrageous prices. Now you can create them at home with simple supplies, a little practice, careful observation and some "elbow grease". The creator of this video uses common hardware store supplies to complete the task. With the help of the video's host, the right sandpaper and with the right moves, you can create all of the most common styles of Hollister...

How To: Measure angles with a protractor in Geometry

Confused with how to use your protractor for Geometry homework? In this helpful video, Doug Simmons from free math tutoring provides easy to understand classroom examples explaining how to use both sets of numbers on your protractor. Provides easy to remember rules that will keep you from fumbling with the common confusions of protractor use. Doug also explains common mistakes that you should avoid in order to start getting the right answers in your math problems. Finally, math tutorials at y...

How To: Multiply fractions with canceling

This video will show you how to carry out multiplication of fractions using cancellation, which will make your fraction multiplication problems simpler to solve. You will need to look at the numerator of the first fraction and the denominator of the second fraction and see if you can find a common factor between the two numbers. If one does exist, you can simply divide both numbers by that common factor and simplify. Repeat this for the other numerator and denominator and if possible, your fr...

How To: Solder electronics the right way

New to soldering? This how-to video answers the questions for these common beginner soldering questions: what is flux? what tip should be used? do solder fumes contain dangerous amounts of lead? why regularly clean and tin the iron tip? Watch this video computer-circuitry tutorial and learn how to solder correctly.

How To: Say greetings in the Cherokee Giduwa dialect

Check out this instructional language video to learn how to speak Cherokee! In this lesson, learn how to say common greetings & phrases in the Giduwa dialect. This is the Eastern dialect as spoken by native speakers in Big Cove on the Qualla Boundary in North Carolina. This video is great for beginners who want to improve their Cherokee language skills. Practice your Cherokee by learning these common greetings in the Giduwa dialect!

How To: Knit a long tail cast on properly

Watch this instructional knitting video to knit a long tail cast on. Long tail cast ons are probably the most common knitting cast on that give your edge a nice, smooth finish. Make sure you have plenty of yarn for your cast on. Your knitting will be as wide as your cast on row if you do not apply any shaping, such as increasing or decreasing. The long tail cast on is probably the most common knitting cast on method.

How To: Paint "Eternity" in Chinese calligraphy

Datong Xu currently teaches Chinese calligraphy and painting in Tucson, AZ. Watch this instructional painting video to paint the symbol of eternity in Chinese calligraphy. The eternity character also means, "flowing water". In Chinese art aesthetics, calligraphy and painting are of common origin.

How To: Weave on a cardboard loom

Learn about the basics of weaving with this stop motion weaving tutorial video. Several different weaving and knot techniques are demonstrated, even showing common mistakes in the weaving process. Watch and learn a simple technique for weaving on a cardboard loom.

How To: Clean your roof of black algae streaks

The most common culprit causing the black streaks on roofs is a blue-green algae called Gloeocapsa magma. Over the past 25 years this strain of algae has become more hardy and has migrated to less humid environments. It has now become a common sight on asphalt roofs across 80% of the United States. This Home & Garden how to video series shows how to clean your roof and get rid of the black streaks caused by algae. Learn how to inspect and use a cleaning system to get your roof looking brighter.

How To: Do the Palestrina Stitch

Here's another video tutorial from Needle 'n Thread for hand embroidery stitches - this one is for the Palestrina stitch. Palestrina stitch is used for outlining or filling and is common in both Jacobean designs as well as in Mountmellick embroidery, the latter because it gives a highly textured line or fill area.

How To: Build a bat cave

August is a time when it is common to see bats flying overhead while taking an evening stroll or night fishing at your favorite spot. The two most common bats in Ohio are the little brown and the big brown bats and both are found in rural and urban settings. Bats serve a valuable purpose for humans because they feed on insects, including mosquitoes and those which plague farmers’ crops. However, bats sometimes create roosts, or gathering places, in people’s homes. Join Wild Ohio’s Donna Danie...

How To: Understand Forex trading strategies

Forex— what is it? Any investor could tell you a complicated description of what Forex is, but the basics of the FX currency markets is— an over-the-counter financial market for trading currencies. The foreign currency exchange market has no central exchanges like the stock market and little regulatory oversight. With this beginner’s guide, learn the trading basics.

How To: Your Guide to Finding Free Creative Commons Images and Other Media Online

Creative Commons is awesome—really. If an image, video, or audio file is tagged with a CC license, that means you can use it as long as you give appropriate credit to the owner. For bloggers with no money for pricey stock media, it's a godsend. When you license your own media under CC, you can choose how you want it to be used by others and whether or not it can be used commercially.

How To: Improve your bike's night visibility

In some places, it's illegal to ride your bike at night without lights or reflectors, so if you plan on going for a joyride on your street bike, then you need to be prepared to share the road with vehicles and be seen. Appropriate gear and lighting are essential for safety when riding a bike at night.

How To: Fix a leaky toilet with basic steps

Is there toilet water all over the floor and you have no idea why? It could be a leak toilet, which is pretty common if you have faulty supply lines, or the wax rings have worn out. But don't worry, you don't need to call a plumber to ease your woes, in this video you will learn how to fix your leaky toilet with a few household tools and some extra knowledge!

How To: Treat common sprains and strains

Athletes often suffer mild wrist sprains, ankle twists or muscle strains whlie playing sports. Many minor injuries can be treated at home. Learn how to recognize the symptoms, such as sore muscles or bruising, and use these tips to easily and quickly treat them.

How To: Avoid common mistakes when doing financial analysis in Microsoft Excel

Learn how to prevent fallying prey to cmmon careless errors when doing fiscal analysis in MS Excel. Whether you're new to Microsoft's popular digital spreadsheet application or a seasoned business professional just looking to better acquaint yourself with the Excel 2010 workflow, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, take a look.

How To: Simulate the sound of the vuvuzela

Does the sound of the vuvuzela fire up your passion like it does for the South Africa supporters at this year's World Cup? Do you wish you could hear their divine drone more often? This video will teach you how to create a vuvuzela-like sound using common household items: a balloon and some hex nuts. If you can't get the real thing, this will be a good substitute if you think your life needs a little more noise.