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 isN3x. The cost of n packets at Nx per packet isNnx. The ratio of total
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Rounding off Numbers To ’round off’ or ‘approximate’ a number to a desired degree of accuracy, we- a. round the number up if the next digit is 5 or more b. round the number down if the next digit is less than 5. We represent approximately equal to as and approximately as ‘~’ Examples: 1. 73 is close to
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What is Depreciation of Fixed Assets? Depreciation is the systematic reduction in the recorded cost of a fixed asset. Examples of fixed assets that can be depreciated are buildings, furniture, leasehold improvements, and office equipment. The only exception is land, which is not depreciated (since land is not depleted over time, with the exception of
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Meaning of Land Reclamation Land reclamation, usually known as reclamation, and also known as land fill (not to be confused with a landfill), is the process of creating new land from ocean, riverbeds, or lake beds. The land reclaimed is known as reclamation ground or land fill. Land reclamation refers to the process of repairing
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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 substances which are mixed but are not combined chemically. A mixture refers to the physical combination of two or more
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Topic:Problems of Rapid population growth Content Problems of rapid population growth Advantages of High Population Densities Disadvantages of high population densities Advantages of low population densities Disadvantages of low population densities Problems of Rapid population growth High rate of infant mortality is certain in a growing population because of social pressure High mobility will also
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Topic: LENSES The reflection and refraction we have dealt with so far have focused only on light interacting with flat surfaces. Lenses and curved mirrors are optical instruments designed to focus light in predictable ways. While light striking a curved surface is more complicated than the flat surfaces we have looked at already, the principle
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INTRODUCTION At about ten to fourteen years of age, different changes take place in the body of both boys and girls. These changes are signs of puberty. A. WHAT IS PUBERTY? Puberty is the short span of time which marks the beginning of sexual maturation. This period differs in both boys and girls. Boys gradually
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Grammar- Interrogative Adverb (the use of “how”) Meaning of Argumentative Essay: It requires the student to investigate a topic; collect, generate, and evaluate evidence; and establish a position on the topic in a concise manner. General Approach Two things need to be planned out: a. The arguments – for and against. We call these the
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Topic: HOW THE INTERNET WORKS HOW THE INTERNET WORKS On the internet, data and information are transferred world wide through the servers and clients (which are computers) connected to the internet. The computers which are responsible for management of resources i.e program and data on a network, by providing a centralized storage area, is called
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