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Welcome to the TutorJam Academy Homework Help Site!

This site is a free academic resource from the Academic Directors at TutorJam Academy. We encourage you to suggest a topic by writing to Blog@TutorJam.com.

10 May Posted by in Algebra | Comments

Arithmetic, Geometric, Harmonic and Root Mean Square

Let x1, x2, x3…..xn be a set of n numbers. The arithmetic mean, geometric mean, harmonic mean and root mean squares for the set are defined as:                 For a set of numbers, R.M.S. > A.M. > G.M. > H.M. Example, For 3, 7, 2, 1, 5 n ...

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09 May Posted by in Math Fundamentals, Pre-Algebra | Comments

Converting Decimal to Fraction

Converting a decimal to a fraction is the opposite of converting a fraction to a decimal which you do by dividing the numerator by the denominator. Method of conversion depends on the decimal number. We can use one the three methods shown below depending on the decimal number to be converted to fraction. Non-repeating terminating ...

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07 May Posted by in Biology | Comments

Biology: Structure of the Human Heart

The heart is one of the most important organs in the entire human body. It is a fist-sized, muscular organ that provides a continuous blood circulation through the cardiac cycle.  It is a pump, composed of muscle which pumps blood throughout the body, beating approximately 72 times per minute. The heart, blood, and blood vessels ...

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03 May Posted by in Chemistry | Comments

TutorJam Reviews: Fractional Distillation

Distillation is a method of separating mixtures based on difference in the conditions required to change the state of components of the mixture. Fractional distillation is a type of distillation process that separates the different components, or fractions in a mixture according to their different boiling points. The mixture is boiled to form vapors. The ...

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02 May Posted by in Chemistry | Comments

Types of Chemical Reactions

A chemical reaction involves breaking and formation of chemical bonds. It is characterized by a chemical change in which the reactants are different from the products. There are several different types of chemical reactions.   Synthesis or Direct Combination Reaction In this type of reaction two or more reactants combine to form a more complex ...

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