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How To: Multiply and divide negative numbers in arithmetic

Need to know how to multiply and divide negative numbers in basic math? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to multiply and ...

How To: Graph points using Cartesian coordinates

Need to know how to graph points in two dimensions using Cartesian coordinates? Learn how. 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn h...

How To: Graph trigonometric functions

Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? 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 h...

How To: Convert between radians and degrees in trigonometry

Need to know how to convert between radians and degrees? Learn how. 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to convert between r...

How To: Write a percentage as a decimal number

Want to know how to express a percentage as a decimal number or a decimal number as percentage? Learn how. 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials...

How To: Use the sine, cosine & tangent trigonometric functions

New to trigonometry? Learn how to calculate cosine, sine and tangent with this lesson. 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how t...

How To: Solve advanced ratio problems in algebra

Need to know how to solve complex ratio problems in basic algebra? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn a system for finding solu...

How To: Solve linear equations in the form of AX+B=C

Need to know how to solve AX+B=C-form linear equations in algebra? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn a system for solving line...

How To: Solve linear equations in matrix form (Ax = B)

Need to know how to solve a matrix-form linear equation in algebra? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn a system for solving lin...

How To: Add consecutive integers in math

Want to know how to sum a series of consecutive integer numbers (e.g., 1+2+3+4+5)? You're in luck. 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll...

How To: Solve quadratic inequalities by factoring in algebra

Looking for a guide on how to solve quadratic inequality problems? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the right ans...

How To: Solve math problems containing fractional exponents

Looking for a guide on how to work with fractional exponents in basic math? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve fra...

How To: Solve negative exponent problems in basic math

Looking for a guide on how to work with negative exponents in basic math? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to solve simpl...

How To: Determine whether two fractions are equivalent in math

Looking for a guide on how to tell whether two fractions are rationally equivalent to one another? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll...

How To: Factor and solve a quadratic equation in algebra

Looking for a guide on how to solve quadratic equations by factoring? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to factor and solv...

How To: Find the greatest common factor of two numbers

Looking for a guide on how to calculate the greatest common divisor for two numbers? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to ...

How To: Find the least common multiple (LCM) of two numbers

Need to know how to figure out the least common multiple or LCM of two given numbers? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to...

How To: Calculate the area of rectangles and triangles

Need to know how discover the area of a triangle or rectangle? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the area and peri...

How To: Add and subtract negative numbers in basic arithmetic

Looking for a guide on how to sum and subtract negative integers? 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 big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to add and subtract ne...

How To: Make a Noel cake with Sandra Lee

To decorate a noel cake, buy four layers of chocolate (two large sized, two small sized), two layers of spice cake (two medium sized), and a chocolate cupcake. Using a long serated knife, trim the tops of the cake to make the even. Put the one of the large chocoate cakes on your serving plater and put some frosting on top to "glue" it to the next layer. Now put the other large chocolate cake on top and gently press it into place. Frost the sides of the layer. Place a cardboard circle that is ...

How To: Conceal screw heads

In this Home & Garden video tutorial you will learn how to conceal screw heads. This video is from www.ultimatehandyman.co.uk. It is very easy to do. You will need a kit called screw digger and plug cutter set for size 8 or size 10 wood screws. Using the drill bit from the set, drill the hole. This will drill a hole for fitting a plug in addition to the hole for the screw. Now take a piece of similar wood and cut out a plug with the plug cutter tool as shown in the video. Drive the screw in t...

How To: Identify fall web worms in trees

Curtis Smith (Extension Horticulturist) and Rick Daniell (Bernalillo Co. Horticulture Agent) examine the bark of a poplar tree. The young bark is smooth and will furrow as it grows older. There are straight horizontal lines on the bark that look like sap-sucker damage but in this case, the markings on the poplar is the normal bark development of the poplar. They also look at and discuss Fall Web Worm cocoons which look like bird nests on a tree. Web worms do not do as much damage to the tree ...

How To: Throw a cheap block party for the neighborhood

Throwing a block party is a great way to meet your neighbours! Block parties are perfect for hot summer nights when no one wants to be stuck indoors. These parties are fun and easy to throw, even on a budget. Check out this video for information on how to throw a rockin' party for your neighborhood without spending much money.

How To: Grasp and calculate human blood pressure regulation

Check out this science-filled two-part video tutorial on blood pressure regulation in humans. This educational video will show you the MABP (mean arterial blood pressure), which is the overall blood pressure in your body, the TPR (total peripheral resistance), and the CO (cardiac output). You won't just learn about the blood pressure, you'll see how to calculate the MABP. You'll be fascinated, whether you're a physiologist, biologist, scientist, medical student, or just an human anatomy nut.

How to Watch Star Trek: The Original Series online for free

In this video tutorial, viewers learn how to watch Star Trek: The Original Series online for free. Begin by opening your internet web browser and go to the You Tube website. Then click on the Shows tab on the top of the page. Now click on the Most Popular tab and select Science Fiction under Shows in the sidebar. Then select Star Trek: Original Series and select the episode that you wish to watch. This video will benefit those viewers who are Star Trek fans, and would like to learn how to wat...

How To: Make fondant icing shooting stars for cake decorating

In order to make Shooting Stars for Cakes made from Fondant Icing, you will need the following ingredients and supplies: fondant cookie cutters, wire cutters, gumpaste, a pastry brush, icing spatula, glue (or gumpaste with water), a paint brush, a fondant rolling pin, powdered sugar, floral wire, and a cookie sheet lined with wax paper.

How To: Use logical comparison on the SAT comprehension area

This tutorial is about using logical comparisons in a sentence. We should compare only equivalent concepts. Don't compare something to a group its part of without including 'other' or 'else'. Be clear about what you are comparing. The comparisons must be between apples to apples (i.e. between objects or things of same group). If they are not then you fix the problem by:-1. Repeating the apples. 2. Using 's or that or those. 3. Reworking the sentence. To demonstrate this take the following exa...

How To: Play the theme song from "Star Wars" on guitar

Do you like music? Do you like movies? How about the acoustic guitar? How about Star Wars? How about a Jedi or John Williams? Well, this video tutorial will show you how to play the theme song from the hit movie Star Wars. This instructional guitar lesson will teach you a few tips and tricks for playing an arrangement of the famous theme song.