## How many yards of dirt will I need to fill my yard with beds. The yard is 50 by 30 and beds will be 3 ft wide and 6 inches deep?

That is a lot of yards to fill your yard. We are missing some critical information to determine the number you are looking for. How long should each bed be, and how far apart would you like them? We can still determine our best guess, with the information you provided. First we will start with the backyard […]

## How long is a furlong?

A furlong is an ancient British unit of measurement. Most commonly referred to today in joking about a person’s age. A furrow is a trench that’s been made by pulling a plow. The term furlong is how long a horse can pull a plow without stopping. The unit was calculated to be 220 yards; I […]

## Who created the cartesian plane?

The Cartesian plane, named after the mathematician Rene Descartes (1596 – 1650), is a plane with a rectangular coordinate system that associates each point in the plane with a pair of numbers. The basic definitions and terminology are covered in section P.5 ( p.49) of the text. The location of a point P is determined by […]

## How can you tell if a number is a multiple of 6?

Check 3 and 2. If the number is divisible by both 3 and 2, it is divisible by 6 as well. Robert Rusher writes in:Another easy way to tell if a [multi-digit] number is divisible by six . . . is to look at its [ones digit]: if it is even, and the sum of […]

## 6 fascinating appearances of the Fibonacci numbers in nature

The Italian mathematician Leonardo Fibonacci is widely regarded as the greatest European mathematician of the middle ages. Did you know that Fibonacci introduced the Hindu-Arabic numerals (the decimal system) to the Western world? This system replaced the inefficient and clumsy Roman numerals. 1202 was the year Fibonacci published Liber abaci, a book that revolutionized everything […]

## What is a rule that relates an exterior angle to the remote interior angles of a triangle?

Interior angles and exterior angles are very simple to determine if you already have two of the three angles within a triangle. The interior angles will all add up to 180 degrees. So if you know two of the angles you’ll know the third, for example if you have a triangle in which you know […]