98 Videos for "ratios"

Nuclear Stability
Science › Chemistry › Nuclear Chemistry
How the ratio of protons to neutrons affects a nucleus' stability. 
Proportions  Problem 2
Math › Algebra › Solving Equations
How to solve proportions when one numerator is an expression with x. 
Definition of Slope  Concept
Math › Algebra › Linear Equations and Their Graphs
How to understand the idea of slope. 
Solving Proportions  Problem 3
Math › Geometry › Similarity
How to solve a proportion with a variable expression and a variable. 
Circumference  Problem 4
Math › Geometry › Circles
How to find the circumference of a figure formed by two different circles and a straight line. 
Solving Proportions  Problem 1
Math › Geometry › Similarity
How to solve a proportion with a variable on both sides. 
The Law of Sines  Problem 2
Math › Trigonometry › Basic Trigonometry
How to find an angle in a triangle using the law of sines. 
The Law of Sines  Problem 2
Math › Geometry › Basic Trigonometry
How to find an angle in a triangle using the law of sines. 
The Law of Cosines  Problem 1
Math › Geometry › Basic Trigonometry
How to use the law of cosines to find a missing side in a triangle. 
The Law of Cosines  Problem 1
Math › Trigonometry › Basic Trigonometry
How to use the law of cosines to find a missing side in a triangle. 
The Law of Cosines  Problem 1
Math › Precalculus › Basic Trigonometry
How to use the law of cosines to find a missing side in a triangle. 
The Law of Sines  Problem 2
Math › Precalculus › Basic Trigonometry
How to find an angle in a triangle using the law of sines. 
The Law of Cosines  Problem 2
Math › Geometry › Basic Trigonometry
How to use the law of cosines to find a missing angle given three sides in a triangle. 
The Law of Sines  Problem 1
Math › Trigonometry › Basic Trigonometry
How to find the length of a triangle given two angles and a side, using the law of sines. 
The Law of Sines  Problem 1
Math › Geometry › Basic Trigonometry
How to find the length of a triangle given two angles and a side, using the law of sines. 
Percent Yield
Science › Chemistry › Chemical Reactions
How to find percent yield for chemical experiments. 
The Law of Sines  Problem 1
Math › Precalculus › Basic Trigonometry
How to find the length of a triangle given two angles and a side, using the law of sines. 
The Law of Cosines  Problem 2
Math › Trigonometry › Basic Trigonometry
How to use the law of cosines to find a missing angle given three sides in a triangle. 
The Law of Cosines  Problem 2
Math › Precalculus › Basic Trigonometry
How to use the law of cosines to find a missing angle given three sides in a triangle. 
Rate Word Problems  Problem 3
Math › Algebra › Word Problems Using Systems of Equations
How to solve word problems involving rates of travel.