In this tutorial, we learn how to use the distance formula for two points. The distance formula is D= the square root of (X2-X1) squared, plus (Y2 minus Y1) squared. It may look confusing, but it's just a derivation of a theorem. First, find the two points that you have and gr ...more
Area of a triangle can be calculated when you have the length of its base and height. In this case the area is 1/2 times the base and its height. If you do not know the height of the triangle but know the lengths of all the sides of the triangle then you can calculate its area ...more
In this video the instructor shows the different methods of solving quadratic equations. There are many methods to solve quadratic equations each with its pros and cons, each method suitable for a particular situation. The first method to solve quadratic equation is factoring. ...more
If you are given an equation of ellipse in the form of a function whose value is a square root, you may need to simplify it to make it look like the equation of an ellipse. Now equate the function to a variable y and perform squaring on both sides to remove the radical. Now si ...more
Algebra – The Distance Formula. This video describes how to find the distance between 2 points of a graph in a step by step method. Made by Ya Math, the instructor assists the class in finding the distance between (6,8) and (3,4) by showing us the equation d=v((x_1-x_2 )^2+(y_ ...more
In order to solve a quadratic equation by completing the square, take a quadratic equation and make sure that the coefficient of the first squared term in one. If it is not factor it by pulling the term out to get it to one. Now just write down the first two terms in side a br ...more
First you want to find X using the identities given for a 45-45-90 triangle. When comparing the triangles in the video, we find that X must be 6. Next, use the identity to solve for the measurements of the sides of the triangle. In the video example, 6 is the length of the two ...more
This video shows the method to find the variance and standard deviation using Excel. The variance shows the variability of the data points from the median. We find the difference of the median and the mean. We write the formula using '=' sign. The median and data points are pu ...more
In Final Fantasy VII, it's possible to max out vitality without any store-related progress needed if your strength stat has already been maxed. Take a look at this video and learn how to max out vitality simply by targeting an enemy called "spiral". This enemy has around 2800 ...more
Imagine two stakes in your backyard. Now draw an east-west, north-south coordinate system on your lawn. Measure the east-west distance between the stakes and also the north-south distance. Take the square root of the sum of the squares of the two measurements and, voilà, you e ...more
Solving long and extensively complicated equations in grade school was tough to do by hand. Keeping track of which part of the equation to solve first took time, training, and lots of bad grades. As soon as middle school began, our dependance on calculators grew and difficult ...more
Since its launch in 2001, Wikipedia has become the number one reference site on the web, used by anyone and everyone, written by anyone and everyone. With over 18 million collaboratively written articles, there's backgrounds and descriptions on practically everything—if it exi ...more
The launch of Android 4.1 Jelly Bean was also the launch of Google Now, a service that was supposed to one-up Siri, the resident personal assistant for iOS devices. Google Now offered enticing features, but its launch went unnoticed by a great many Android users. But that was ...more
The Calculator app is probably one of Apple's most-used iPhone apps, yet I always meet people who don't know all the little tricks there are to using it more efficiently. You may know most of them, but there's a chance you don't or at least forget about some of them. What a " ...more
The worst can always happen. Even if you think you're absolutely prepared, you can somehow find yourself stranded in the middle of nowhere by yourself. It can happen. Without a map, without a compass, without a cell phone... without food and water. There are plenty of dange ...more
Solving a Dilemma This is a simple how-to for a cost effective drip irrigation system for your garden. My motivation to set up my garden for drip irrigation was pretty simple. In the summer, it gets to 90+ degrees outside, and my 50’ garden hose didn’t reach the far extents w ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Niho Ryori demonstrates how to make tonjiru or butajiro, pork and vegetable miso soup. First, cut carrots into quartered slices. Do the same with a giant white radish. Repeat the technique with a potato and add them to water. Scrub a root under running water and peel off the s ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Assembling the wooden screen is simple, but be prepared to get grimy while rooting around the salvage yard for matching hinges. 1. Lay the shutters side by side on a worktable, and align their bottoms using a straightedge. (Shutter heights may vary, so be sure to use the bott ...more
Square dancing, a fun American pastime! Learn square dance steps with this instructional animation. Fun fact about square dancing: 19 U.S. States deem it their official dance. Square dance is a folk dance with roots in Europe, eventually spreading to the states & becoming more ...more
Need help reducing radical expressions without perfect square or cube roots? Take heart: this free math lesson will ensure that you know everything you need to know for that next big test. Examples include square roots, cube roots, and 4th roots. You'll also learn a technique ...more
In this video, the narrator presents the viewer with a quick, painless way of simplifying cube roots. The narrator presents many methods to simplify square roots to appeal to different learning styles. By doing things like dividing the power by the root to figure out the power ...more
A complex number is half real (a) and half imaginary (bi), just like that Edward Cullen who makes your heart thump realistically but whose sparkly chest makes you wonder if he's something more. Explore the land of glittery vampires and fake boys by learning how to rewrite rad ...more
In this video tutorial, viewers learn how to simplify expressions involving algebraic ratios. In some ways, simplifying algebraic radicals is easier than numeric radicals. When we are working with square roots, we need to find the highest even power of a variable to act as out ...more
Having problems with cubes. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like squares and cubes. Check out this math video tutorial to learn how to get cubes in math with mysterious Vedic methods. This is a mysterious metho ...more
Weather - there's no escaping it! Mother Nature can be hard on asphalt: if you live in an area where there are extreme weather changes from season to season then your asphalt will eventually become damaged. As the ground freezes and thaws there is movement that flexes the asph ...more
In this video the instructor shows how to find out the fourth roots of a number. The properties of fourth root says that for any positive number of a, its fourth roots are real. And for any negative value a, its fourth roots are not real. So split the number inside the fourth ...more
The video demonstrates the solving of radical equations in algebra. The first thing to be done is to keep the radical number on one side and the other numbers on the other side. The radical is then changed to a rational number by squaring, cubing etc. Once the roots are remove ...more
Learn how to convert from scientific notation to standard form by watching the above math video. To change a number from scientific notation to standard form, move the decimal point to the left (if the exponent of ten is a negative number), or to the right (if the exponent is ...more
Last week's challenge brought up a good question (thanks Lisa) regarding the functionality of the Official Scrabble Players Dictionary, 4th Edition, both online and in print form. The word TACTICAL was the answer to the first puzzle in that challenge, but when you search for t ...more
Hair Tinsel Is Taking the Fashion World by Storm! The glittery strands are showing up everywhere from the red carpets of Hollywood to the runways of New York. The thin colorful strands (also called hair shimmers or hair bling) are made from silk and are applied by tying them ...more
If you were to look on the roof of your local city bus, what would you find? A little bit of dirt, most likely, and a whole lot of space. Precisely the stuff you'd find in an empty container garden! Enter NYU graduate student Marco Castro Cosio's Bus Roots, a project which, th ...more
Spring Hill Nurseries shows viewers how to plant Chrysanthemums, or hardy mums, in this video. The mums should be planted in early spring. First, choose a place to plant. You should choose an area that has a lot of direct sunlight. You should also plant in an area that has goo ...more
For new landscapes people tend to generally plant the new 'purple leaf plum' trees in a square shaped small plots. They also plant some small plants around it to make it look good. However when the tree grows older it needs to spread its roots. At that time these plants may tr ...more
Kimchi can be spelled in a variety of ways (gimchi, kimchee, kim tee), but what is it exactly? It's a Korean pickled dish made with vegetables and varied seasonings, and it's the most common side dish in South Korea. In this video tutorial, you'll gain the recipe for making ki ...more
This video shows the method to change a word problem into algebra and to identify rational numbers among a group of numbers. In the first part of the video we take a word problem namely - The product of 9 and seven, less than a number. 9 multiplied by something can be expresse ...more
Watch this video from This Old House to learn how to transplant a tree. Steps: 1 Wrap tree with rope to protect the branches during transport to new location. 2 Measure the width of tree trunk; multiply by 10 to determine root ball diameter. 3 Tie tope around trunk to represe ...more
Make everyone in your neighborhood green with envy over your lush lawn with these landscaping secrets. Learn how to get your lawn green with this Howcast landscaping guide. You Will Need * A soil test * Fertilizer * Water * Sharp lawn mower blades Step 1: Test your soil Test ...more
Review: Get Him to the Greek So much puke It's not quite Pixar-like, Judd Apatow's streak of very funny, very good films, but it's close. As a producer, he's as close as it gets to Mr. Automatic, going from Anchorman: The Legend of Ron Burgundy to The 40-Year-Old Virgi ...more
Radicals or square roots can be a little tricky when it comes to multiplying and dividing them, but this helpful video will guide you through all the steps you need in order to calculate your answers correctly. Grab a pen and paper and work along with the video. Remember, you ...more
There are many impressive features on a Samsung Galaxy Note 2, but just like any other smartphone on the market, the most used one is the camera. How many times did you take a picture today? Or admire all the selfies in your gallery? Or upload a video to Instagram, Vine, or Sn ...more