# ratio   34 videos

• #### The Law of Sines

##### TrigonometryBasic Trigonometry

How to define the law of sines.

law of sines ratios triangles
• #### The Law of Cosines

##### TrigonometryBasic Trigonometry

How to define and use the law of cosines.

law of cosines ratios triangles
• #### The Law of Sines

##### PrecalculusBasic Trigonometry

How to define the law of sines.

law of sines ratios triangles
• #### The Law of Cosines

##### PrecalculusBasic Trigonometry

How to define and use the law of cosines.

law of cosines ratios triangles
• #### Nuclear Stability

##### ChemistryNuclear Chemistry

How the ratio of protons to neutrons affects a nucleus' stability.

nuclear stability
• #### Nuclear Stability

##### PhysicsNuclear Physics

How the ratio of protons to neutrons affects a nucleus' stability.

nuclear stability
• #### Proportions

##### AlgebraSolving Equations

How to solve proportions.

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• #### Finding the Slope of a Line from a Graph

##### AlgebraLinear Equations and Their Graphs

How to find the slope of a line if given a graph.

slope change ratio fraction slope triangle
• #### Work Word Problems

##### AlgebraWord Problems Using Systems of Equations

How to solve word problems when 2 people are doing a work job together.

ratio word problem system of equations work
• #### Circumference

##### GeometryCircles

How to calculate the circumference of a circle.

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• #### Percent Yield

##### ChemistryChemical Reactions

How to find percent yield for chemical experiments.

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• #### Finding the Slope of a Line from a Graph

##### Algebra 2Graphs of Linear Equations

How to find the slope of a line if given a graph.

slope change ratio fraction slope triangle
• #### Rate Word Problems

##### AlgebraWord Problems Using Systems of Equations

How to solve word problems involving rates of travel, possibly including wind or water current.

rate ratio d=rt word problem system of equations
• #### ACT Pre-Algebra

##### ACTACT Math

Short, helpful video on ACT prealgebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

Pre algebra order of operations percents proportions ratios mean median mode