Common Symbols Search Results

How To: Factor out when doing rational expressions in algebra

This video shows the method to simplify rational expressions. The example used in the video is multiple of 4 and x square plus multiple of 4 and x plus 1 or (4x^2 + 4x + 1)/(2x^3 + 11x^2 + 5x). As the first and last term is a perfect square we get the simplified numerator as (2x + 1)(2x + 1). Next, the denominator is simplified. Taking the common factor out we get x(2x^2 + 11x + 5). Now we factorize 2x^2 + 11x + 5. We get (2x + 1)(x + 5 ). Now, writing the terms in numerator and denominator w...

How To: Repair common problems with garbage disposals

Harry shows ways to fix common garbage disposal problems. First he shows if it hums use a crowbar to break free what is stuck. If you flip the switch and nothing happens it may be the red reset button on the bottom has popped out. He enplanes it may even be a bad wall switch or a bad breaker. He then shows you how to replace the disposal if that is what needs to be done. He shows you what to do if your new pipe is too short, how to properly wire your new one, and how to hook the drain for you...

How To: Be safe while online dating

In this video, Dan and Jennifer will teach you how to be safe while trying to meet girls or date online. Learn tips and tricks to avoid common scams such as identity theft and fraud, as well as things to look out for and early warning signs that your potential lover may not be all she says she is. Dan and Jennifer will also show you how to watch out for one of the most common scams online: "cam girls". Don't fall for that fake girl that acts like she's totally into you but really just wants y...

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: 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: 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: 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: 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: 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: Display a user or computer name by the time in the Windows taskbar

There could be multiple reasons why you would want to input a name in the Windows taskbar on your PC, like when dealing with a network of computers, to help identify workstations, or simply for a customized personal feel. With this tutorial, you'll see how easy it is to put your user name or computer name (or any other name) down in the taskbar, right besides the time in the bottom right.

How To: Read piano notes on a bass clef

Reading piano notes can be an important step toward understanding and playing the beautiful instrument. There are many different symbols and marks that make up certain pieces of music. So knowing how to read it is a big help, especially if you're learning to play it for the first time. So in this tutorial, you'll find out how to read piano notes on a bass clef. Good luck and enjoy!

How To: Create a simple walking animation in Adobe Flash CS4

Build a simple looping walking animation by utilizing Adobe Flash CS5's bone tool and symbols. Whether you're new to Adobe's popular Flash-development platform or a seasoned web developer looking to better acquaint yourself with the new features and functions of this particular iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this Flash developer's guide.

How To: Make an Excel PivotTable year category from text dates

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 612th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a Year Category for a PivotTable from dates entered as text using the RIGHT function and the ampersand (&) join symbol.

How To: Tie the spiral knot

This video shows you step by step how to tie a spiral knot. In math, a spiral is a curve starting from a central point, getting further away as it revolves from the point. The ancient Chinese considered the spiral to be a symbol of the sun, the Celts and Greeks consider it a symbol of growth and evolution. Here you'll learn everything you need to do to tie this beautiful knot. It's quick and easy follow for you knot lovers.

How To: Origami a paper crane or tsuru

Here is a demonstration on how to fold an origami crane. Tsuru is the Japanese word for crane. The crane is considered a national treasure, appearing in art, literature, and folklore. The origami crane is also a symbol of good fortune and longevity. Fold several of these origami paper cranes to give to friends and family.

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!