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New videos from Khan Academy 2018-09-18T22:05:22.002705
Actualizado: hace 30 mins 47 segs

My budget and planning for the future

Mar, 2018-08-21 20:44
What’s it like to budget on an EMT salary? Is financial assistance available to pay for the required training? Ian walks through his monthly budget for life in Savannah, Georgia and talks about opportunities to learn more and earn more as he advances in this field.

What I do and how much I make

Mar, 2018-08-21 20:44
What are the responsibilities of an EMT? Ian talks about the physical and emotional demands of the job and the importance of finding work-life balance. He explains the typical salary of someone in this field and opportunities for overtime and advancement.

Impact of mass on orbital speed

Lun, 2018-08-13 21:04
Example question exploring how mass impacts orbital speed.

Using least squares regression output

Lun, 2018-08-13 17:33
Worked example using least squares regression output

Median in a histogram

Lun, 2018-08-13 17:33
Worked example from Khan Academy finding the interval in a histogram containing the media of a data set.

Estimating mean and median in data displays

Lun, 2018-08-13 17:33
Estimating mean and median in data displays

Visually assessing standard deviation

Lun, 2018-08-13 17:33
Worked examples visually assessing the standard distribution.

Integration with partial fractions

Lun, 2018-08-13 11:21
Finding the integral of a rational function using linear partial fraction decomposition.

Justification with the intermediate value theorem: equation

Lun, 2018-08-13 10:29
Example justifying use of intermediate value theorem (where function is defined with an equation).

Justification with the mean value theorem: table

Lun, 2018-08-13 10:29
Example justifying use of mean value theorem (where function is defined with a table).

Interpreting the meaning of the derivative in context

Lun, 2018-08-13 10:29
When derivatives are used to describe real-world situations, we need to know how to make sense of them.

Justification with the mean value theorem: equation

Lun, 2018-08-13 10:29
Example justifying use of mean value theorem (where function is defined with an equation).

Justification with the intermediate value theorem: table

Lun, 2018-08-13 10:29
Example justifying use of intermediate value theorem (where function is defined with a table).

Horizontal tangent to implicit curve

Lun, 2018-08-13 08:08
Finding the equation of a horizontal tangent to a curve that is defined implicitly as an equation in x and y.

Integration using completing the square and the derivative of arctan(x)

Lun, 2018-08-13 08:08
Sometimes we can integrate rational functions by using the method of completing the square in the denominator and then integrating using u-substitution and our knowledge about the derivative of arctan(x).

Second derivatives (implicit equations): evaluate derivative

Lun, 2018-08-13 08:08
Given the first derivative of an implicit equation in x and y, evaluate the second derivative at a certain point. Problem taken from the 2015 AP Calculus AB exam.

Volume with cross sections: intro

Lun, 2018-08-13 08:08
Using definite integration to find volume of a solid whose base is given as a region between function and whose cross sections are squares.

Second derivatives (implicit equations): find expression

Lun, 2018-08-13 08:08
Given an implicit equation in x and y, finding the expression for the second derivative of y with respect to x.

LCM visualized

Jue, 2018-08-09 07:03
It can be a bit tricky at first to visualize finding the LCM using prime factorization. Let's look at an interesting way to visualize the HCF and the LCM of two numbers in a diagram. Created by Aanand Srinivas.

HCF and LCM product

Jue, 2018-08-09 07:03
The product of the HCF and LCM of two numbers is equal to the product of the two numbers. Let's use this property to solve a few questions. We will prove why this is true in another video. Created by Aanand Srinivas.

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