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0:09:55

Using area to go backwards to solve a Normal Distribution

0:08:43

Normal Distribution Probability Question AP Statistics

0:08:38

Standard Deviation for samples and populations.

0:05:59

How to use Excel to calculate Present Value Annuity

0:06:58

How to use Excel to calculate Future Value Annuity

0:03:50

Using the Financial Present Value Formula

0:06:50

Financial Formula for Present Value

0:07:45

Present Value of annuity, example as a Geometric Series

0:04:35

Ordinary annuity: working out the regular payment

0:09:14

Ordinary Annuity; future value as a geometric series

0:07:00

Drawing a 3 circle Venn Diagram

0:10:18

Proof of Sum of an Arithmetic Series

0:11:55

Critiquing a really bad survey!

0:07:42

Quadratics: finding max or min

0:05:38

Restrictions in rational functions: a dilemma!

0:04:01

Rational Functions: hole and vertical asymptote

0:03:52

Complete the Square

0:03:53

Fit a rational function through 2 points

0:02:15

How to use basics of Muse, a free music composition package

0:07:19

Interquartile range of 12 numbers

0:08:37

Even and Odd Functions

0:04:23

How to join and use Khan Academy

0:05:32

Proof of Double Angle Formulae

0:09:07

Proof of Addition Formulae using sin(A+B)