From Ramanujan to calculus cocreator 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 work with and solve rate problems in algebra using the distance formula.
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How To: Remember "greater than" & "less than" symbols

How To: Do long division without a calculator

How To: Find a number given Its percent

How To: Calculate Faster Than a Calculator

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Calculate the area of a parallelogram

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Write a slopeintercept equation given an XY table

How To: Find the area of a triangle when given 2 sides & angle

How To: Find the Height of a Trapezoid.

How To: Find the surface area of a cone without slant height

How To: Use Maclaurin/Taylor series to find accurate integrals

How To: Find the Percent Given Two Numbers

How To: Learn Calculus in 20 minutes

How To: Find the area of a parallelogram using geometry

How To: Find a missing side of a triangle, similar to another

How To: Figure out the domain & range of a piecewise function

How To: Convert between diameter and radius

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Solve percentages without a calculator
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