Tutorials

These tutorials are written by experienced educators, all of whom also offer private tutoring lessons. Get the help you need, whether through these tutorials or through private tutoring lessons.

MLA Format Video Tutorial-Google Docs

MLA format is pretty simple, but very specific. It’s easy to make a tiny formatting mistake that can lose you valuable points on your essay or report.

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Probability of Drawing a Full House

We are going to randomly select 5 cards from a standard deck of 52 playing cards. We will find the probability of drawing a full house. First let us define a full house. A full house is a combination of a three of a kind and a pair. Ex: Three aces with two kings A…

One-Step Equation

Solving a One-Step equation is to find the solution for an unknown.

Genetics: Non-Mendelian Traits

Genetics is the study of genes from one generation to the next. Gregor Mendel is the Father of Genetics, and his experiments with pea plants provided insight into how traits pass from parents to offspring. We now know that our chromosomes, which are made of DNA, work in pairs. That means that for any gene,…

Energy Loss Incurred when Charging a Capacitor in a RC Circuit

Among their many applications, capacitors are often used as short-term energy storage elements in electronic systems. When a capacitor charges in a simple series RC (resistor-capacitor) circuit, the energy stored in the capacitor increases as it charges and the resistor dissipates energy as the capacitor charging current passes through it. Series resistance is present in…

Genetics: Mendelian Traits

Genetics is the study of how traits appear in different generations. A trait can be any characteristic, as long as it is inherited. Hair color, eye color, and colorblindness are all genetic. Height is affected by genetics. Something like a tattoo is not inheritable and is not a genetic trait. Gregor Mendel, a monk living…

Bias? What bias?

In scientific experiments, scientists must be careful to eliminate bias from their studies. Bias is a preference for a result that may or may not be accurate. It may be intentional or unintentional. It can appear in the design of an experiment, the selection of a sample, the recording of the data, the analysis of…

Differential Equations

Handling of Materials Suppose that we have a tank containing water. Suppose also that we have 2 pumps — one pump can drain the tank in 6 hours, and the other can drain the tank in 5 hours. How long will it take to drain the tank with both pumps running? Since one pump can…

Evaluate variable expressions involving integers

Starting with the basics is variables (symbols for an unknown number, usually a letter like x or y) involving integers (an integer is a whole number, not a fraction). “Evaluate variable expressions involving integers” is the same as saying “solve for x using whole numbers”. With this, we need to know the following: 1) We…

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