...Addison-Wesley 0 A D Rn Rn A A WEB SG C SG WEB x1 ; : : : ; xn a1 x1 C a2 x2 C b a1 ; : : : ; an C an xn D b n n n 5x2 C 2 D x1 4x1 3x1 4x1 5x2 D x2 D 2 p 6 p x3 D 2 6 2x1 C x2 2 5x2 D x1 x2 x1 x2 x1 C x3 p x2 D 2 x1 x1 ; : : : ; xn 2x1 x1 x2 C 1:5x3 D 4x3 D 8 7 6 p x1 .s1 ; s2 ; : : : ; sn / s1 ; : : : ; sn x1 ; : : : ; xn .5; 6:5; 3/ x1 ; x2 ; x3 8D8 x1 2x2 D x1 C 3x2 D 7D 7 1 3 `1 .x1 ; x2 / `1 `2 `2 .x1 ; x2 / .3; 2/ x2 2 l2 3 x1 l1 x1 2x2 D x1 C 2x2 D x1 2x2 D x1 C 2x2 D 1 3 x2 x2 2 l2 1 1 2 3 l1 x1 3 l1 (a) (b) x1 2x2 C x3 D 0 2x2 x1 8 8x3 D 4x1 C 5x2 C 9x3 D 2 2 1 4 0 4 1 4 0 4 3 1 85 9 2 2 5 2 2 5 9 1 8 9 3 0 85 9 0 x1 C 2x2 3 n m n n x1 x1 x2 x2 4 8x3 D 8 m m 2x2 C x3 D 2x2 8x3 D 4x1 C 5x2 C 9x3 D x1 2 0 8 9 1 4 0 4 2 2 5 3 0 85 9 1 8 9 x1 Π4 ΠCΠ4x1 8x2 C 4x3 D 4x1 C 5x2 C 9x3 D W W 3x2 C 13x3 D W 2x2 C x3 D 8x3 D 2x2 3x2 C 13x3 D x1 2 0 8 9 1 40 0 0 9 9 3 0 85 9 2 1 2 8 3 13 1=2 x2 2x2 C x3 D 4x3 D x2 3x2 C 13x3 D x1 2 0 4 9 x2 1 40 0 3 0 45 9 2 1 1 4 3 13 3x2 3 ΠCΠx1 3x2 12x3 D 12 ...
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...http://www.nckvietnam.com Understanding the Global Spa Industry http://www.nckvietnam.com This page intentionally left blank http://www.nckvietnam.com Understanding the Global Spa Industry: Spa Management Marc Cohen and Gerard Bodeker AMSTERDAM • BOSTON • HEIDELBERG • LONDON • NEWYORK • OXFORD • PARIS • SAN DIEGO • SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO Butterworth-Heinemann is an imprint of Elsevier http://www.nckvietnam.com Butterworth-Heinemann is an imprint of Elsevier Linacre House, Jordan Hill, Oxford OX2 8DP, UK 30 Corporate Drive, Suite 400, Burlington, MA01803, USA First edition 2008 Copyright © 2008 Elsevier Ltd. All rights reserved No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission of the publisher Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone ( 44) (0) 1865 843830; fax ( 44) (0) 1865 853333; email: permissions@elsevier.com. Alternatively you can submit your request online by visiting the Elsevier web site at http:/ /elsevier.com/locate/permissions, and selecting Obtaining permission to use Elsevier material Notice No responsibility is assumed by the publisher for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any...
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...Mathematics Classes 9-10 Chapter One Real Number Mathematics is originated from the process of expressing quantities in symbols or numbers. The history of numbers is as ancient as the history of human civilization. Greek Philosopher Aristotle According to the formal inauguration of mathematics occurs in the practice of mathematics by the sect of priest in ancient Egypt. So, the number based mathematics is the creation of about two thousand years before the birth of Christ. After that, moving from many nations and civilization, numbers and principles of numbers have gained an universal form at present. The mathematicians in India first introduce zero (0) and 10 based place value system for counting natural numbers, which is considered a milestone in describing numbers. Chinese and Indian mathematicians extended the idea zero, real numbers, negative number, integer and fractional numbers which the Arabian mathematicians accepted in the middle age. But the credit of expressing number through decimal fraction is awarded to the Muslim Mathematicians. Again they introduce first the irrational numbers in square root form as a solution of the quadratic equation in algebra in the 11th century. According to the historians, very near to 50 BC the Greek Philosophers also felt the necessity of irrational number for drawing geometric figures, especially for the square root of 2. In the 19th century European Mathematicians gave the real numbers a complete shape...
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...PURE GOLD TO BE THE LEADING MINING COMPANY To create value for our shareholders, our employees and our business and social partners through safely and responsibly exploring, mining and marketing our products. Our primary focus is gold and we will pursue value creating opportunities in other minerals where we can leverage our existing assets, skills and experience to enhance the delivery of value. Safety is our first value. We place people first and correspondingly put the highest priority on safe and healthy practices and systems of work. We are responsible for seeking out new and innovative ways to ensure that our workplaces are free of occupational injury and illness. We live each day for each other and use our collective commitment, talents, resources and systems to deliver on our most important commitment ... to care. We are accountable for our actions and undertake to deliver on our commitments. We are focused on delivering results and we do what we say we will do. We accept responsibility and hold ourselves accountable for our work, our behaviour, our ethics and our actions. We aim to deliver high performance outcomes and undertake to deliver on our commitments to our colleagues, business and social partners, and our investors. We treat each other with dignity and respect. We believe that individuals who are treated with respect and who are entrusted to take responsibility respond by giving their best. We seek to preserve people's dignity, their sense...
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