Mathhiker Math Tutorials » (5) Math Applications (Fridays)

Friday, November 27, 2009 – Using Geometry to Make a Pool Shot

minkusbc — Fri, 27 Nov 2009 19:04:45 +0000

Where do you aim if you want to make a pool shot by bouncing the cue ball off the side of a table? Here is a solution and the proof of why it works. Please click on the file name to see the pdf file.

Using Geometry to Make a Pool Shot

Friday, November 20, 2009 – Using a Probability Table to Understand Conditional Probability

minkusbc — Fri, 20 Nov 2009 20:22:57 +0000

Conditional probability is usually a hard concept for students to understand. Here I use a probability table to visually explain the solution to these type of problems. Please click on the file name to see the pdf file.

Using a Probability Table to Understand Conditional Probability

Friday, November 13, 2009 – Five Examples of Using Rational Equations

minkusbc — Fri, 13 Nov 2009 17:27:55 +0000

During one magical teaching day in the 1970’s I bumped into five different applications for the one idea – rational equations. Please click on the file name to see the pdf file.

Five Examples of Using Rational Equations

Friday, November 6, 2009 – How to Find the Day of the Week for any Date

minkusbc — Fri, 06 Nov 2009 20:22:45 +0000

Here is a neat little trick that does take some memorizing in order to use it. I explain how the tables are invented as well.

How to Find the Day of the Week for any Date

Friday, October 30, 2009 – Using Probability to Check Coincidences

minkusbc — Thu, 05 Nov 2009 03:28:38 +0000

When coincidences appear to happen, what is the probability that they are coincidences, or should we expect to see them happen quite often. Please click on the file name to see the pdf file.

Using Probability to Check Coincidences

Friday, October 23, 2009 – Using Multiplying Polynomials for Math Shortcuts and Problems

minkusbc — Sat, 24 Oct 2009 04:53:29 +0000

Using the idea of multiplying polynomials one can understand how certain shortcuts work, and how to solve numerical problems. Please click on the file name to see the pdf file.

Using Multiplying Polynomials to Solve Math Problems

Using Canceling Units to Solve Problems

minkusbc — Thu, 15 Oct 2009 22:00:20 +0000

Sometimes it is hard to know how to approach a problem. Do I divide? Do I multiply? This post will help you solve those problems.

Using Canceling Units to Solve Problems – 5.6 L/100 km = how many mi/gal ?

Friday, October 9, 2009 – Probabilities in Lotteries

minkusbc — Thu, 08 Oct 2009 23:00:06 +0000

This post illustrates how to use your combination keys on your calculator to find probabilities in lotteries. Checking with the Lotto-6/49 website brings up a neat little thing. Please click on the file name below to see the pdf file.

Probabilities of Lotteries

Friday, October 2, 2009 – The Elliott Wave Principle, a Use For the Fibonacci Sequence?

minkusbc — Fri, 02 Oct 2009 20:00:25 +0000

Here is an interesting “theory” that uses the Fibonacci Sequence to predict stock market results. Please click on the file name below to see the pdf file.

The Elliott Wave Principle, a Use For The Fibonacci Sequence?

Friday, September 25, 2009 – How Much Does Smoking Cost You (A spreadsheet application)

minkusbc — Fri, 25 Sep 2009 00:30:36 +0000

If one takes a really hard look at what it is, or will be, costing you to smoke a pack-a-day, then take a look at the spreadsheet below. Please click on the file name to see the pdf file.

Monetary Effect of Smoking – How Much Does It Cost You?