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How To: Interpret derivatives of marginal cost and revenue

This video tells us the method of interpreting derivatives of marginal cost and revenue. If C(x) is the cost of producing x units of a product, C(400) would be the cost to produce 400 units. Now marginal cost is the cost of producing one unit which is equal to the derivative of the cost function or C'(400) which is equal to limit of h tends to zero or lim h->0 [lim(400+h)-lim(400)]/h which is approximately equal to [lim(401)-lim(400)]/1. Similarly, if R(x) is your revenue function, marginal r...

How To: Top dress your roses

Top dressing is important for roses. Add one or two inches of good organic matter in and around the plants, taking care not to disturb the roots. Lori likes a material that is well composted, something with a lot of different sized particles, a product with a little nutrient charge included. Something with phosphorous, nitrogen, even some bone meal as well as some iron is good, since these ingredients tend to green the leaves. Top dressing will keep Roses looking good year after year.

How To: Offciate goal tending and basket interference

This DVD was created to assist in focusing the spirit and intent of the rules as well as an aid to the training of all involved in FIBA basketball including: coaches, players and referees. In this video learn how to officiate when players are goal tending or causing basket interference when they play basketball.

How To: Experiment the law of inertia

Newtons proposed the concept of inertia. According to him an object at rest tends to stay at test and an object in motion tends to continue in motions unless acted up on by an external force. This is the principle of inertia. The tendency of the body to continue to stay as it was is called its inertia. You can demonstrate this principle with a simple experiment. As shown in the video when the hoop is pulled out the pen cap falls in to the bottle. Here the hoop is acted upon but the cap is not...

How To: Draw manga mouths in four different ways

Characters in Japanese manga tend to have very expressive mouths, ranging from a smirky little line on one page to a giant "O" mouth on the next page. In this video, "Miki Falls" manga creator Mark Crilley shows how to draw mouths the manga way. And we won't just learn to draw one sort of mouth, we'll learn four different styles.

How To: Make a multitouch table computer pad

Multi-touch input has been spreading throughout a huge variety of devices, from phones to all-in-one PCs. However, most multitouch (table) displays that can function with your computer tend to be fairly expensive, so with this project we're going to make our own display, that can run on any operating system, and reuses some useless everyday materials.

How To: Trim your own bangs to save time & money

We know what you're thinking: You have two left hands and even cutting in a straight line is a monumental feat. But trust us, even butterfingers can cut their bangs professionally. In fact, if you tend to cut slightly slanted or jaggedy then your bangs will look even better!

How To: Deal with a girlfriend who tends to tell white lies

With this video, we learn how to deal with a girlfriend who tends to tell white lies. First, don't set an ultimatum with the girl, this will end up in a verbal fight and can ruin the relationship. You need to start to create a new relationship with your girlfriend so she feels more comfortable with you. You need to tell her that if she keeps lying to you then it can cause you guys to end your relationship. The average person tells 26 lies a day, even if they are just white lies. Try working w...

News: Why Skim, Low, & Reduced-Fat Milk Are Actually Worse for You Than Whole Milk

I don't drink a lot of milk, so when I do, it's always whole milk. I'll drink two-percent if it's the only kind available, but skim? I'd rather have none at all. Tons of people buy reduced fat milk because they're trying to eat healthier, but to me, the extra calories are totally worth it. And, contrary to popular belief, whole milk is actually better for you anyway. Just like diet soda, the downsides of reducing the number of calories in milk outweigh the benefits. Studies have found that co...

How To: Make your own buttermilk with regular milk

Buttermilk has more applications than making pancakes. You can make pudding, biscuits, and much more with buttermilk. But it's not something people tend to have sitting in the fridge. If you need buttermilk in a pinch, all you need is regular milk, vinegar, and lemon juice! This quick video will show you to make your own buttermilk.

How To: Replace a primer bulb easily

Many homeowners may not realize it, but primer bulbs are important for getting an engine cold started. Many people tend not to use it, but when it comes time and the machine doesn't start, then they it's important to have a primer bulb ready. Since they're plastic, they can wear out easily or even crack.

How To: Create a blow-dry hairstyle inspired by Cheryl Cole

Cheryl Cole is known for her many talents, but her hairstyles tend to get overlooked, but the fact is, Cole has had some wonderful, elegant hairdos in her lifetime, one of which is her blow-dried hair. Primp Powder Pout provides this hairstyling tutorial to teach you how to recreate the blow-dry hairdo which Cole effortlessly flaunts. If you do this properly, this look could last a couple days!

How To: Shoot a soccer ball

Shooting a soccer ball into a tended goal is one of the most difficult things in the world of sport. This video features an MLS player describing techniques for how to shoot the soccer ball effectively, getting you more goals and making you a more dangerous striker, midfielder, or back.

How To: Fix a distastrous makeup look

Not every girl is born with natural style. If you have trouble mastering makeup technique and tend to look a hot mess, this tutorial was made for you. In this video, you will learn how to fix common makeup mistakes and turn them into a makeup masterpiece! It only takes a few short steps to turn that look around, so grab some makeup remover and some concealer and get ready to fix your face.

How To: Make watermelon flavored Jello shooters

Oh, the good 'ol Jell-O shooter. That last necessary ingredient to every party looking to kick it up a notch. Here we have a tutorial on how to make Watermelon-flavored Jell-O shots for your next shindig... Take some advice? Always make double the amount you planned on. These tend to go fast.

How To: Deal with & stand up to a bully

It’s scary, but you can learn how to stand up to a bully – and come out on top. You will need courage, wit, and even a bit of self-control. Bullies tend to pick on those who don't stand up for themselves, so being a little assertive helps. Find out how to stand up to a bully by watching this video self help tutorial.

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