Direct Variation
If a person buys some packets of sugar, the total cost is proportional to the number of packets bought.

The cost of 2 packets at Nx per packet isN2x.

The cost of 3 packets at Nx per packet […]

Introduction
A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. As such, measures of central tendency are […]

Introduction
The tangent is one of the three basic trigonometric functions, the other two being sine and cosine. These functions are essential to the study of triangles and relate the angles of the triangle to […]

Geometrical Construction
Using ruler and compasses
Remember the following when making geometrical constructions.
1. Use a hard pencil with a sharp point. This gives thin lines which are more accurate.
2. Check […]

Introduction
Good presentation can make statistical data easy to read, understand and interpret. Therefore it is important to present data clearly.
i. There are two main ways of presenting data: presentation of […]

There is a truth teller (always tells the truth), a liar (always lies), and one that sometimes answers truthfully and sometimes lies. Each man knows who is who. You may ask three yes or no question to determine […]

ECONOMIC COMMUNITY OF WEST AFRICAN STATES (ECOWAS)
Ecowas is a sub-region organization formed by fifteen West African countries in 1975. Lagos was originally its headquarters before it was moved to Abuja. It now […]

Grammatical Structure: Direct and Indirect Speech
The word ‘reported’ is often used for the second type; but the truth is that we can ‘report’ EITHER by using ‘direct speech’ OR by using ‘indirect speech’. The […]

Introduction
An algebraic function is a function that can be written using a finite number of the basic operations of arithmetic (i.e., addition, multiplication, and exponentiation). In order to take the […]

What is Acquisition of Business?
Business Acquisition is the process of buying a company to build on strengths or weaknesses of the company making the purchase. It can also be defined as a corporate action in […]

Clause: Subordinate and Insubordinate
A subordinate clause (or dependent clause) is a clause that cannot stand alone as a complete sentence because it does not express a complete thought.
A subordinate clause is […]

Sunlight is often called white light, since it is a combination of all the visible colors. Since the index of refraction is different for each color, the angle of refraction will be different for each color when […]

What is a Prefix? 
To understand what a prefix is, it is imperative to first understand what a root word is. That said, a root word is a word that can be changed into a new word by adding a beginning and/or an […]

Large Scale Retailing

Large scale retail trade has a large scale of operation; the retailers achieve their growth by increasing the physical size of their units to cater for more customers. Examples of large […]

Meaning of Citizenship
Citizenship can simply be defined as the legal right that a person has, to belong to a particular country. It is a situation whereby an individual becomes a legitimate member of a country, […]

What is Mixture?
A mixture consists of more than one element or compound. The components of a mixture can be separated by physical methods. A mixture is a material system made up of two or more different s […]

Introduction
Matter is defined as anything that occupies space and has mass. The particles of matter could be atoms, molecules or ions.

It is important to note that the particles that make up all matter vary […]

Definition of Computer Output Devices 
Computer Output Devices are various types of computer hardware which uses data and commands from the computer itself to perform assigned  tasks. In other words, the out […]

History of Computer
The development of the first counting device has been dated to ancient times, a man called abacus used a counting device about 3000 years ago and from this time and man has continued to […]

What is Reproduction?
Reproduction is defined as the ability of living organisms to give rise to new individuals of the same species. The purpose of reproduction is to ensure the continuity of life.
Sexual […]