Expand ( x + 5)( x − 3) . Solve the inequality ( x + 5)( x − 3) ≤ x 2 − 2 x + 5 and represent the solution graphically. (6 marks) 7. Rationalize 6 3+ 2 and express the answers with the simplest surd form. (5 marks) 8. 9. Solve 27 2 x −1 = 9 x . In a class‚ there are 20 boys and n girls. are 71‚ 62 and 67 respectively. (a) (b) Find the value of n. After mark adjustment‚ each of the mark of x students is increased by 1. If the new mean mark is 67.25‚ find the value of x. (5
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correct to 3 significant figures. a 97856472124 km b 0.00000012411723 mg 8. a 1 Move the decimal point after the first significant figure. 2 The decimal point has been moved 10 places left. 3 Round the decimal off after the third significant figure. 9. b 1 Move the decimal point after the first significant figure. 2 The decimal point has been moved 7 places left. 3 Round the decimal off after the third significant figure. WriTe a
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The commandments are absolute pronouncements of right and wrong in all situations In Mormon 9:9 it says: "For do we not read that God is the same yesterday‚ today‚ and forever‚ and in him there is no variableness." This expresses that for every situation the commandments are the same. There is a clear example that shows that the commandments are the same regardless of the situation. We are commanded to be baptized for the remission of our sins. It is a requirement to enter the waters of baptism to
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Write your name here Surname Other names Edexcel Certificate Edexcel International GCSE Centre Number Candidate Number Mathematics A Paper 1F Foundation Tier Friday 11 May 2012 – Afternoon Time: 2 hours Paper Reference 4MA0/1F KMA0/1F You must have: Total Marks Ruler graduated in centimetres and millimetres‚ protractor‚ compasses‚ pen‚ HB pencil‚ eraser‚ calculator. Tracing paper may be used. Instructions Use black ink or ball-point pen. Fill in the boxes
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3‚4‚5‚7 9/29/2014 1. Variable Costs CD package and disc (direct material and labor per CD)---- $1.25/CD songwriters royalties $0.35/CD recording artist royalties $1.00/CD Total Variable Costs per Units = $2.60 Fixed Costs advertising and promotion $275‚000 studio recording overhead $250‚000 Total Fixed Costs = $525‚000 a)contribution per CD unit $9 - $2.60 = $6.40 b)break-even volume in CD units and dollars 525‚000 / 6.40 = 82‚031.25 units 82‚031.25 x $9 sales price
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straight lines because curved line could not be drawn in the wet clay. They used these tablets to aid in the calculations of problems. They studied math with the help of these tablets. They studied in mathematics because having a peaceful nation they had no need to specialize in military and warfare‚ so they learned math and discovered new forms of math. A tribe known as the Kassites began to attack Babylonia when Hammurabi’s son ruled the empire. Over the centuries‚ the Kassites weakened Babylonia
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Your Name Dr. Rosalyn Rossignol Eng 120: English Composition October 21‚ 2013 (replace with due date) Topic Presentation Overview: Due on the day you make your topic presentation Outline and Works Cited page due: 11/8 (F) Final paper due: 11/18 (M) Assignment for Paper #3/Research Paper Suggested Length & Formatting: 5-7 pages of text. Pages should be numbered in the upper right hand corner. Do not use a separate title page. Your heading should appear as indicated above
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More Acclaim for How to Learn a Foreign Language the handbook used by schools‚ universities‚ and independent language-learners throughout the world: Don’t miss this little book! It is unusual in that it treats languages as respectable and serious study but also fun. It addresses common fears‚ and deals with the attitudes that have made Americans increasingly monolingual. It is packed with advice on how to learn a foreign language…Excellent‚ simple‚ with summaries at the end of each chapter…I
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Random sample It is often not necessary to survey the entire population. Instead‚ you can select a random sample of people/or firms from the population and survey just them. You can then draw conclusions about how the entire population would respond based on the responses from this randomly selected group of people. This is exactly what political pollsters do - they ask a group of people a list of questions and based on their results‚ they draw conclusions about the population as a whole with
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THE IMPORTANCE OF MATHEMATICS W. T. Gowers It is with some disbelief that I stand here and prepare to address this gathering on the subject of the importance of mathematics. For a start‚ it is an extraordinary honour to be invited to give the keynote address at a millennium meeting in Paris. Secondly‚ giving a lecture on the significance of mathematics demands wisdom‚ judgment and maturity‚ and there are many mathematicians far better endowed than I am with these qualities‚ including several
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