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Rulers are etched with markings that denote the measurement of distance. Every inch of a 12-inch ruler is marked out, and between each inch, every 1/8 of an inch or 1/16 of an inch is marked. Likewise, a ruler of…
The electrons orbiting around the nucleus of an atom are responsible for that atom’s ability to take part in chemical reactions. All kinds of chemical substances can react with each other, from single atoms or ions to complex compounds. Chemical…
Things Needed Measuring cup Paper Pencil Calculator Converting measurements is often necessary when you are involved in cooking. Measuring ingredients can require that liquids be converted from one unit of measure to another. A liquid such as water, for example,…
The Christian method of dividing time is based on the estimated birth date of Jesus of Nazareth, using B.C. and A.D designations. The paths of math and religion don’t often cross, but if you need to calculate years across B.C.…
In mathematics, input and output are terms that relate to functions. Both the input and output of a function are variables, which means that they change. You can choose the input variables yourself, but the output variables are always determined…
When getting a price based on area, like carpet or painting services, you may get a quote based on square meters. To figure out the cost per square foot, you can use a simple conversion factor. 1. Determine the Price…
The African savanna is a huge expanse of grassland, spread across 27 different countries on the African continent, including Kenya and Tanzania. Home to many species of birds and mammals, the savanna is also used by humans for cattle grazing…
Densities tell you how much mass occupies a certain amount of space, so if you need to find the amount of liters something will take up based on its mass, all you need is the density of the material in…
As mathematics developed over the course of history, mathematicians needed more symbols to represent the numbers, functions, sets, and equations that were coming to light. Because most scholars had some understanding of Greek, the letters of the ancient Greek alphabet…
Solving for two variables (normally denoted as “x” and “y”) requires two sets of equations. Assuming you have two equations, the best way for solving for both variables is to use the substitution method, which involves solving for one variable…
