Item 4B Item 4B Rachel Reiser Maths C Rachel Reiser Maths C Question 1 ab1+f’(x)2 dx y = acosh(xa) If: coshx=12ex+e-x Then: cosh(xa) = 12(exa+e-xa) y = acosh(xa) ∴ y=a(exa+e-xa)2 y=a(exa+e-xa)2 dydx=f’x=ddxa(exa+e-xa)2 dydx=f’x=ddx12aexa+e-xa f’x=12a1aexa+-1ae-xa f’x=exa-e-xa2 f’x2=exa-e-xa22 f’x2=(12exa-12e-xa)(12exa-12e-xa) f’x2=14e2xa-14e0-14e0+14e-2xa f’x2=14e2xa-12+14e-2xa f’x2=14e2xa-2+e-2xa Assuming the catenary is symmetrical‚ the entire length of
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MATHS INTERNAL ASSESSMENT ROAD ACCIDENTS DUE 1 Table of contents:- 1) Introduction 2) Personal expected outcome 3) Statement of the task 4) Methodology 5) Data collection 6) Data analysis 7) Mathematical process 8) Conclusion Appendix Research Question to what extent is the correlation between the rate of mortality between the drinking and the normal mortality To what extent is the mortality due to consumption of alcohol when compared to normal
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CLASS 8:- Math Revision Worksheet Topic: Profit and Loss 1. A shirt is purchased for Rs 400 and sold for Rs 460. Find the profit and profit percentage. 2. Sonal purchased an article for Rs 2500 and sold it at 25% above the CP. If Rs 125 is paid as tax on it‚ find her net profit and profit percentage. 3. By selling an article for Rs 34.40‚ a man gains 7.5%. What is its CP? 4. On selling tea at Rs 40 per kg‚ a loss of 10% is incurred. Calculate the amount of tea (in kg) sold‚ if the total loss
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CHM 096 TUTORIAL 2 (Chemical Equilibrium) Jan 2013 1. Write the equilibrium constant expression‚ Kc‚ for each of the following reactions: a) b) c) d) e) f) 2NO(g) + O2(g) ⇄ 2NO2(g) The decomposition of solid potassium chlorate to solid potassium chloride and oxygen gas. 4HCl(g) + O2(g) ⇄ 2H2O(g) + 2Cl2(g) 2NO2(g) + 7H2(g) ⇄ 4H2O(l) + 2NH3(g) H2O(g) + C(s) ⇄ CO(g) + H2(g) The reduction of solid copper (II) oxide with hydrogen gas to produce copper metal and water at o 500 C. 2H2(g) + O2(g)
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Freedom of expression in India Our motherland is everything for us and no matter how far we are from our motherland‚ we feel connected to our country emotionally as well as spiritually. We enjoy and celebrate the achievements and developments of our country with pride. Whenever we notice any positive development or urbanization‚ we feel proud to be the part of our country. When we have the right to celebrate the achievements of our country‚ we also have the right to criticize the negative
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Math 5067 001 Homework 1 Due 9/11/13 1. Read Chapter 1 in the DHW text (sections 1.1 – 1.3 are mandatory) and answer the following: a. List at least three incentives for an insurance company to develop new insurance products. b. (Exercise 1.1 in DHW) Why do insurers generally require evidence of health from a person applying for life insurance but not for an annuity? c. (Exercise 1.3 in DHW) Explain why premiums are payable in advance‚ so that the first premium is due at issue‚ rather than in
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Ikaga osugoshi de irasshaimasu ka. (very formal) いかがお過ごしでいらっしゃいますか。 How have you been? Otegami arigatou gozaimashita. お手紙ありがとうございました。 Thank you for your letter. Minaasama no gokenkou o oinori moushiagemasu みなさま の ごけんこう を おいのり もうしあげます. Wishing everyone good health ~ ni yoroshiku otsutae kudasai. ～によろしくお伝えください。 Please give my regards to ~. Minasama ni douzo yoroshiku. 皆様にどうぞよろしく。 Please give my regards to everyone. Okarada o taisetsu ni. お体を大切に。 Please take care of yourself
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Formulas (to differential equations) Math. A3‚ Midterm Test I. sin2 x + cos2 x = 1 sin(x ± y) = sin x cos y ± cos x sin y tan(x ± y) = tan x±tan y 1∓tan x·tan y differentiation rules: (cu) = cu ′ ′ ′ ′ ′ (c is constant) cos(x ± y) = cos x cos y ∓ sin x sin y (u + v) = u + v (uv)′ = u′ v + uv ′ ′ ′ u ′ = u v−uv v v2 df dg d dx f (g(x)) = dg dx sin 2x = 2 sin x cos x tan 2x = sin x = 2 cos 2x = cos2 x − sin2 x 2 tan x 1−tan2 x 1−cos 2x ‚ 2 integration rules: cos x = 2
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Discuss the approach to teaching math taken in the Montessori classroom. Montessori is an approach which many have adopted these days as a teaching method for children in preschool. The materials which they use create an environment that is developmentally appropriate for the children. Montessori believes that with the helped of trained teachers and the proper environment which the children are placed in‚ intelligence and different skills will be developed in the child (Casa Montessori‚
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MATH OF INVESTMENT (FORMULAS AND SAMPLE PROBLEMS) SIMPLE INTEREST: a) I= Prt b) F= P+ I c) I= F- P d) F= P (1 + rt) e) P= F / 1+ rt f) R= I / Pt g) P= I / rt h) t= I / Pr i) EXACT INTEREST: j) k) Ie= Pr approximate time Ie= Pr exact time l) 365 days 360 days m) n) ORDINARY INTEREST o) p) Io= Pr exact time Io= Pr approximate time q)
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