82 Videos for "time"

Setting in Story
English › Writing › Writing Terms
The importance of setting in a story. 
Area and Perimeter of Triangles  Concept
Math › PreAlgebra › Introductory Geometry
Understanding why the area of a triangle is 1/2 base times height 
Area of Parallelograms  Problem 3
Math › Geometry › Area
How to find the height of a parallelogram given two base lengths and a different height. 
Scientific Units
Science › Chemistry › Introduction to Chemistry
How to use and convert scientific units. 
Average Speed
Science › Physics › Linear and Projectile Motion
How to calculate average speed. 
Scientific Units
Science › Physics › Introduction to Physics
How to use and convert scientific units. 
Multiplying and Dividing Rationals  Problem 10
Math › Algebra › Rational Expressions and Functions
Multiplying a fraction with a polynomial times a polynomial. 
Compound Interest (Continuously)  Problem 2
Math › Precalculus › Exponential and Logarithmic Functions
How to use the compounded continuously formula to find the tripling time of an investment. 
SpeedInstantaneous Speed
Science › Physics › Linear and Projectile Motion
Understanding the differences between speed and instantaneous speed. 
Addition and Subtraction with Decimals  Problem 3
Math › PreAlgebra › Decimals and Percents
Word problem relating adding decimals to racing times 
Economics: Cost & Revenue  Problem 1
Math › Calculus › Applications of the Derivative
How to determine intervals of time when the average rate of change is negative or positive, and how to compute average rate of change from a graph. 
Instantaneous Velocity
Science › Physics › Linear and Projectile Motion
How to find instantaneous velocity. 
Work Word Problems  Problem 3
Math › Algebra › Word Problems Using Systems of Equations
Algorithm for solving "work" word problems including shared job and individual job completion times 
Adding and Subtracting Rational Expression  Problem 5
Math › Algebra › Rational Expressions and Functions
Work application, or total time to finish a job using a rational equation. 
Parametric Equations and Motion  Concept
Math › Precalculus › Vectors and Parametric Equations
How to graph a parametric curve, and how to eliminate the parameter to obtain a rectangular equation for the curve. 
Optimization Using the Second Derivative Test  Concept
Math › Calculus › Applications of the Derivative
How to compute the average velocity of an object moving in one dimension from a graph of its position vs. time. 
Compound Interest (Continuously)  Problem 2
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
How to use the compounded continuously formula to find the tripling time of an investment. 
Exponential Growth and Decay  Problem 6
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
Predict how many of a population will be present after a certain amount of time. 
Multiplying Monomials and/or Binomials and FOIL  Problem 6
Math › Algebra › Polynomials
An area, or geometric model for multiplying polynomials is explored through a "rectangle" or "box" method of organizing terms.