This video walks you through the steps of solving direct variation model word problem. This excellent video shows you a clean blackboard, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will ma ...more
This math lesson is designed to provide middle school teachers with free resources for teaching linear equations. Students can use this free resource to better understand how to solve simple equations while preparing for the upcoming CRCT test. The above video demonstrates ho ...more
In this math lesson we will learn how to solve a proportion word problem. Watch the video to learn how to set up a proportion, solve it, and interpret the answer. Definition A proportion is a statement that two ratios (or fractions) are equal. The cross products of the terms ...more
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 ...more
Want to know how to express yards as miles? 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. With th ...more
A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday? Solution First, we need to find the total number of eighth grade students at this school. 25% o ...more
So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis. Probability valu ...more
Math class got you down? We all know sixth grade mathematics is where we all start to lose it. We get frustrated with all of those numbers, try to figure it out, but ultimately flunk out or barely pass the class. Maybe the teacher just wasn't good enough to educate us, who kno ...more
Math is fun! That is a statement that not many people find to be true. But it can be if you understand it and know a few tricks to solving certain problems. In this tutorial, you'll find out how to connect interval notations and compound inequalities. Don't know what those wor ...more
Dripping taps can drive you mad, as well as waste water and stain your sink. Luckily, leaking taps can easily be sorted out once you've worked out what's wrong. Watch this video tutorial for tips on how to deal with dripping and leaking taps. Step 1: The modern style tap, one ...more
First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more
In this math video we will learn how to solve a probability problem involving independent events with two number cubes.
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 207th installment in their series of digital spreadsheet magic tricks, you'll learn how to set up ...more
In this video you will learn how to use probability of dependent events. The video starts with a small advertisement to there website http://www.yourteacher.com. Then its followed up by a math instructor taking you through a example problem to help you understand how you can b ...more
A Teacher shows us how to graph compound sentences with the word "or" in them. These graphs will have arrows pointing out in different directions. On the number line draw arrows from the numbers in your compound sentence. So for example if after solving a problem with inequali ...more
In this math lesson, you will learn how to solve compound inequality problems. A compound inequality is a combination of two inequalities joined together by the words “and” or “or”. Examples of compound inequalities: First example: 2x-3<5 and x+14>11 Second example: 5m>65 o ...more
Rational numbers are numbers that can be expressed in the form of a/b, where a, b are integers and b is not equal to zero. Rational numbers are also called as fractions. Multiplication of fractions is very simple and straight forward. Two multiply two fractions a/b, c/d first ...more
You can solve any proportion using the fundamental rule of proportions. First you must build the proportion if you are given a word problem. Decide using logic whether it is a direct proportion (more on one side means more on the other). If so, find the parts of the equation t ...more
This video explains how to solve the problem of probability dependent events. In this video the problem is that a box contains three pens, 2 markers, and 1 highlighter. The person selects one item at random and does not return it to the box. So what is the probability that the ...more
Hypnotizing yourself may seem like a magic trick, but is actually a great way to manage your stress or change a habit. Step 1: Find a private, quiet place Find a quiet, relaxing place, free from potential interruptions. Step 2: Use words to feel positive Prepare a word or ...more
Want to get back at your teacher for setting a ridiculously difficult test? Why waste time? Do it during the exam. There's really no particular order below, just so you know. 10. The Elder Wand As far as this kid's academic prospects go, Skyrim's the limit. BAAAZINNNGG! Ima ...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
Portal is game design milestone. Originally only available bundled in with larger cousins Half-Life 2 and Team Fortress 2 in The Orange Box, its creators, Valve Software, changed what first person gameplay could be. It's been a stand alone product for much of the four years si ...more
In this video by Dogmantics, dog trainer Emily Larlham goes over how to get rid of the lure to food. Dogmantics steps when using a lure: 1. Get RID of the lure as soon as you can! The goal is within 3 trials. 2. If you don't have a clicker use a very short word like "yes!" ...more
When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follow these simple steps, and soon you'll be dividing fractions like a pro. Step ...more
In this math lesson you will learn how to solve a system of equations. Watch the following video to learn how to translate a word problem into a system of linear equations. Two linear equations considered in the same time form a system of linear equations. A system of linear ...more
We always have so many file formats in our computer, we use MS Word to view .doc files, MS Excel to view .xls files, Adobe Reader to view PDF files, image viewers to view all kinds of image formats, and browser to view html files. It seems we need to install many programs to v ...more
To some, SCRABBLE is just a board game to play during family game night or during a casual get-together. Others think of SCRABBLE as a mere hobby. But with any activity, there will always be fanatics—the ones who would rather sell their soul than stop—the ones with a constant ...more
To make things a little more fun here on Scrabble World, I've decided to start a weekly feature for word freaks to ponder about it... a challenge. No, I'm not 'challenging' any of your words... I'm challenging your brains. See if you can figure some of these Scrabble puzzles o ...more
Every day of the week, WonderHowTo curators are hard at work, scouring the web for the greatest and most inspiring how-to videos. Every Friday, we'll highlight our favorite finds. Make your own G-spot & protect your car It's not what you think. The G-spot here does not refer ...more
What is a Data Structure? When we think of a "structure" we often think of architecture, but data also often has structure. There are many different types of data structures: arrays, graphs, queues, stacks, and so on. We use these structures in order to be able to effectively ...more
There are loads of reasons for somebody to want to recover a Windows password, and there are lots of different ways of doing it. My favorite of all of these ways is to use a piece of software called Ophcrack because: The free tables are suitable for almost all uses (I've neve ...more
Since PDF files are so popular in both our daily life and work, we see them everywhere. And sometimes we find there are terrfic images or text in the PDF files and we want to save them as seperate files for future use, such as in a presentation or post. Here's the question: ho ...more
I’m seeing a flood of posts on youth football forums and even getting a few e-mails from youth football coaches complaining about “player agents” also known as parents. Most of these unhappy coaches are dealing with parents that have non-issues, have an agenda, are misinformed ...more
The developer community has already made some incredibly quick progress on implementing assemblers, interpreters, and emulators for the proposed virtual computer in 0x10c, Notch's latest game. But the truth is that the majority of programmers out there couldn't be bothered wit ...more
Amazingly, a lot of people I know haven't even heard of SOPA or PIPA. Now, every English-reading person with an internet connection will finally have those two four-letter acronyms emblazoned in their minds. For the entire day today, Wikipedia's English-language site will be i ...more
A first hands look at the first chapter of the game. "When the wife of best-selling writer Alan Wake disappears on their vacation, his serach turns up pages from a thriller he doesn't remember writing. A dark presence stalks the small town of Bright Falls-" Suspense thrille ...more
To create an elegant WordPress blog or website from scratch without being noticed that you're a complete beginner, you need that drive and pairs of eyes and ears. It may seem difficult at first but it can truly be fun and exciting. In order for you to have a long lasting blog ...more
In our media-enriched world, past and present, SCRABBLE has made a name for itself, whether deliberately, subconsciously, or influentially. You may have a read a book that had the popular word game within a chapter, watched a movie that showed your favorite characters bringing ...more
Journals are a great source of hilarity and embarrassment, detailing everything from your elementary school crushes to those super awkward middle school dances. While rereading your old hand-scrawled entries might make you cringe, that old journaling habit could benefit you as ...more
Give an 18-month-old a shoe, check back 10 minutes later, and it's a very big maybe he will have it on his foot. But give him your smartphone, and in a mere five minutes, he can take 100 pictures of the carpet, send weird messages, and delete essential apps. Imagine what your ...more
We've all heard the cliches: always look at the glass as half full; a smile can change your entire day; and there's always a silver lining. Whether you're someone who is constantly complimented on their rosy outlook or can't seem to stop frowning at everything around you, you ...more
Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than othe ...more
Welcome back, my rookie hackers! As hackers, we are often faced with the hurdle of cryptography and encryption. In some cases, we use it to hide our actions and messages. Many applications and protocols use encryption to maintain confidentiality and integrity of data. To be a ...more
Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more
If you've ever organized an event, you know how chaotic it can be. Event planners are essential, but even so, taking the time to make sure it's organized and everyone is getting what they want can be stressful. Especially when you have to account for what every person is eatin ...more
It's happened to all iOS users: You're talking to a friend or watching TV, and all of a sudden, you hear "I'm not quite sure what you've said." Apparently, your phone heard something that resembled "Hey, Siri," and activated the assistant. But now, thanks to a new patent from ...more
Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more
With the recent release of iOS 7 there is a world of easter eggs to discover within the new operating system. iOS' included calendar app has never been the most exciting or even the most user friendly. While this (truly) hidden feature does not solve all the calendar app prob ...more
Your childhood "social networking" may have been to go outdoors to the neighbor's — and outdoors is a great place for kids to be. But these days, the terms educational, digital media, entertainment, and toddlers don't have to be mutually exclusive. Like most things in life, it ...more
"Why do I keep getting popups on my phone when I'm not even doing anything?" I see this question asked all the time. The answer? You have a shady app on your phone and it started showing full screen ads. But people either don't know this (so they don't know they just need to f ...more
Have you recently tried to type the words "it" or "is" on your iPhone only to have the Apple keyboard attempt to autocorrect them to "I.T." or "I.S.?" If so, you're not alone. Reportedly hundreds of users have complained across messages boards and Twitter about this autocorre ...more
If you have any group chats going, you're surely familiar with this scenario: One person sends a picture, then, within 30 seconds or so, all other participants chime in with one-word responses like "Cute," or "Awesome." It's a social nicety, so you have to expect this behavior ...more
When Microsoft unveiled Mesh a couple of weeks ago, the move revealed a major part of Microsoft's next steps toward dominating the augmented reality space, particularly with regard to enterprise customers. But aside from the general details contained in the announcement, what ...more
Escape rooms, those real world puzzle games that challenge teams to solve a mystery and gain their freedom from a locked room, are all the rage right now. But augmented reality games such as The Lockdown could make them obsolete. Available now via the App Store and Google Pla ...more
This year's big iPhone update, iOS 12, aims to solve many of the issues that arose during iOS 11's controversial, buggy tenure. With that in mind, it may be tempting to jump on board the new software immediately and leave iOS 11 in the dust for good. Here are some reasons why ...more
With so many apps being cloud-based, cached data has started to become a problem. This is particularly true if you're low on storage, so developer Dhi decided to do something about it. You see, apps will download temporary bits of data called cache to help speed things up the ...more
Social media is kind of depressing. On one hand, we love knowing what's happening in the lives of others. On the other hand, everyone seems happier, better looking, and more successful than you. We're putting on a facade by posting statuses and writing comments that present th ...more
Antibiotic use in infants has been associated with a host of childhood conditions later in life. Yet when an infection is suspected in a newborn, usually a sample of their blood is drawn to check for the presence of bacteria and 5 to 8 percent of them receive antibiotics while ...more
You may remember my post from a couple weeks ago here on NextReality about the magical scaling ratios for typography from Dong Yoon Park, a Principal UX Designer at Microsoft, as well as developer of the Typography Insight app for Hololens. Well, his ideas have been incorporat ...more