american headway 2 2nd edition download

... PRONUNCIATION 1:>1 and l"drl a 20 »)) Listen to these word s and sou nd s Practice say in g them ~ computer bracelet card igan jacket necklace v, ~ bird shirt sk irt LISTENING a 24 »)) Look at the painti ... wo rds below \Vhich sOllnd t hey have, I or 2? actor chemistry first painter third arrive imagine world attr'active instrument problem prefer c d e - 21 » ) Listen and check ~ p.166 Sound Bank Look ... ibe the pa inti ng Com plete them wi th a word or phrase fro m the list .6 SPEAKING P in (x2) on (x2) under in front of behind between next to on the right on the left in the middle I T here

Ngày tải lên: 05/08/2017, 21:19

... of Contents Chapter 21 Chapter 22 10 Chapter 23 16 Chapter 24 21 Chapter 25 27 Chapter 26 33 Chapter 27 39 Chapter 28 45 Chapter 29 50 Chapter 30 56 Chapter 31 62 Chapter 32 67 Chapter 33 73 Chapter ... Humanities Second Edition Volume by Jennifer Rosti Roanoke College © 20 11 by PEARSON EDUCATION, INC Upper Saddle River, New Jersey 07458 All rights reserved 10 ISBN 0 -20 -50 126 1 -2 Printed in the ... Answer: a page 694 21 What inspired the first operas? a Gabrieli’s compositions b Bernini’s plays c The Venetian street processions d Ancient Greek drama Answer: d page 695 22 What Greek myth

Ngày tải lên: 18/11/2017, 08:59

... up or down? 22 23 intonation Sounding polite Unit 24 ERR SETS: Ee HE Ai (canh Sounds Problem consonants: /w/ 26 Connected speech can and can’t Pronunciation of negative forms 27 28 Unit sep epagoneaneaeoe ... 17 Word focus 29 ° Past Simple forms that are difficult to pronounce 30 Connected speech Hearing Past Simple forms 31 Stress and intonation Intonation in Wh- questions 32 Unit 12 Unit Sounds Problem ... connected speech Weak forms in Present Simple questions Weak forms of a and the 18 20 Word focus How many syllables? 21 Sounds Introduction to consonant sounds Word focus The sound of English Stress

Ngày tải lên: 08/02/2018, 06:22

... episode) David's idea What you think? Watch >> section four without sound and answer the questions 2b)Complete David's telephone call a) Where are Helen and Jane? b) What are they talking about? ... d) Who answers the phone? e) How does David feel? angry amused embarrassed Why? What you think? 2a) Now watch => with sound Were you right? Complete Helen and Jane’s comments about Simon It's ... complete the sentences Use in, on and under £10 note a) The plate is on the table cafetiére 10 tpisode2 c) The mugis _ d) The newspaper is e) The purse is f) The £10 note is _ g) The cafetiére is While

Ngày tải lên: 08/02/2018, 06:23

... 16 22 She often doesn’t speak to anyone for 22 hours a day 20 She has lived in solitude for over 20 years 95% She is alone for 95% of the time 50 She has been a nun for nearly 50 years 1 ,20 0 ... price of a cinema ticket) 4 929 5 02 428 508 (Visa card number) 04/99 (date) 7.45 (time) £39.99 (the price of some shoes) half (everything is half price in the sale) 4887 621 (telephone number) hundredth ... Question tags — Informal language Unit 12 Reported speech — Saying sorry Stop and check 4 Progress test 2 Photocopiable materials Photocopiable materials for Units 1- 12 Stop and checks Progress tests

Ngày tải lên: 08/02/2018, 08:21

... Programming Using Alice 2. 2 2nd edition by Charles W Herbert Link full download: https://getbooksolutions.com /download/ solutions-manualfor-an-introduction-to-programming-using-alice -2- 2 -2nd- edition- by-herbert/ ... practice, practice Exercise 2- 2 The Alice world in the file Ex2 -2. a2w contains a solution for this exercise Exercise 2- 3 The Alice world in the file Ex2 -2 bunny hop.a2w contains a solution for ... Education Quarterly 18, Arlington, VA: American Anthropological Association 19 Moskal, et al op cit 20 described in Moskal, et al 21 Bruner op cit 22 Vytgotski, op cit 23 Piaget,

Ngày tải lên: 28/02/2019, 17:01

... DeleteTask action method, 22 4 ITasksControllerDependencyBlock interface, 22 4 Package Manager console, 22 2 PagedDataRequestFactoryTest, 22 9 TasksControllerDependencyBlock class, 22 4? ?22 6 TasksControllerDependencyBlockMock ... SymmetricKey property, 1 52 web.config file, 1 52 Twitter Bootstrap, 24 4 „„         U Unit testing AllTasksInquiryProcessor, 23 2 benefits, 22 3 CreateRequestMessage method, 22 7 25 5 www.it-ebooks.info ... pattern, 24 4 JWT-creation code, 24 5 KnockoutJS, 24 7 TasksView, 24 6 technologies, 24 3 Twitter Bootstrap, 24 4 Single Responsibility Principle (SRP), 23 SOAP-based clients ASP.NET Web API features, 21 2

Ngày tải lên: 12/03/2019, 14:47

... 87 42 790 85 41 780 82 40 770 79 39 760 77 38 750 73 37 740 71 36 730 68 35 720 66 34 710 62 33 700 61 31– 32 690 58 30 680 56 29 670 53 28 660 50 27 650 47 26 640 44 24 ? ?25 630 40 23 620 37 22 610 ... 40 23 620 37 22 610 33 21 600 31 19? ?20 590 28 18 580 25 17 570 22 15–16 560 20 — 550 18 14 540 15 13 530 14 12 520 12 — 510 10 11 500 10 490 — 480 470 460 — 450 440 430 — 420 — 410 4–5 400 — 390 ... If the entire round-trip takes her 32 minutes, then what is her average speed, in miles per hour, for the entire roundtrip? (A) 17.0 (B) 18.75 (C) 20 .0 (D) 21 .25 (E) 22 .0 Here’s How to Crack It This

Ngày tải lên: 20/11/2022, 11:31

... points X and Y on the ground are 72. 4° and 50.8°, respectively What is the distance, in inches, between points X and Y ? (A) 61.17 (B) 72. 29 (C) 84.15 (D) 124 . 72 (E) 23 6.44 What is the value of y2 if ? (A) 25 62 (B) 25 6 (C) ... the table above, then g(x) could equal (x + 1)(x + 2) 2 (A) g(x) = (B) g(x) = (x − 2) (x − 1)(x + 2) (x + 3) (C) g(x) = (x − 2) (x + 1)(x + 2) (D) g(x) = (x − 3)(x − 2) (x − 1)(x + 2) (E) g(x) = (x − 2) (x − 1) (x + 2) 36 The only prime factors of an integer m are 2, 3, 5, and 13 ... (C) 0 .20 (D) 0 .25 (E) 0.30 22 To the nearest degree, what is the measure of the second smallest angle in a right triangle with sides 5, 12, and 13 ? (A) 23 (B) 45 (C) 47 (D) 60 (E) 67 23 Which of the following is an equation of a line perpendicular to y =

Ngày tải lên: 20/11/2022, 11:31

... 12 − 16(1) + 20 = 6, x = 1 is not a solution Since 23 + 22 − 16 (2) + 20 = 0, x = 2 is a solution, so (x − 2) is a factor Rewrite x3 + x2 − 16x + 20 as x3 − 2x2 + 2x2 + x2 − 16x + 20 = x2(x − 2) + 3x2 ... x2 − 16x + 20 as x3 − 2x2 + 2x2 + x2 − 16x + 20 = x2(x − 2) + 3x2 − 16x + 20 = x2(x − 2) + 3x2 − 6x + 6x − 16x + 20 = x2(x − 2) + 3x(x − 2) − 10x + 20 = x2(x − 2) + 3x(x − 2) − 10(x − 2) = (x − 2) (x2 + 3x − 10) Factor to get (x − 2) (x − 2) (x + 5) = (x − 2) 2(x + ... + x2 − 16x + 12, and factor the first two terms to get x2(x − 3) + 4x2 − 16x + 12 Now, rewrite it as x2(x − 3) + 4x2 − 12x + 12x − 16x + 12, and factor 4x2 − 12x to get x2(x − 3) + 4x(x − 3) − 4x + 12 Now factor −4x + 12 to get x2(x − 3) + 4x(x − 3) − 4(x − 3)

Ngày tải lên: 20/11/2022, 11:32

... ? ?22 5° (B) −45° (C) 22 5° (D) 315° (E) 360° 21 If cos60° = cosn, then n could be (A) 30° (B) 120 ° (C) 24 0° (D) 300° (E) 360° 26 If sin30° = cost, then t could be (A) −30° (B) 60° (C) 90° (D) 120 ° ... 0° ≤ θ ≤ 180° or 27 0° ≤ θ ≤ 360° (C) 0° < θ < 90° or 180° < θ < 27 0° (D) 90° < θ < 180° or 27 0° < θ < 360° (E) 0° < θ < 180° or 27 0° < θ < 360° 40 Which of the following are equivalent to cot40°? I cot 220 ° ... (B) sinx (C) tanx (D) secx (E) cscx 24 sinx + (cos x)(cotx) = (A) cscx (B) secx (C) cotx (D) tanx (E) sinx 38 = (A) (B) csc2x (C) sinx cosx (D) tan2x (E) cot2x GRAPHING TRIGONOMETRIC FUNCTIONS

Ngày tải lên: 20/11/2022, 11:33

... circle shown in the figure above? (A) x2 + y2 − 14x − 8y + 40 = 0 (B) x2 + y2 − 14x + 8y + 40 = 0 (C) x2 + y2 − 12x − 6y + 20 = 0 (D) x2 + y2 − 10x + 8y + 16 = 0 (E) x2 + y2 + 4x − 6y − 12 = 0 50 Which of the following could be the graph of the ... Which of the following could be the equation of the graph above? (A) y = −(x − 3 )2 + 2 (B) y = −(x + 3 )2 + 2 (C) y = −(x − 3 )2 − 2 (D) y = −(x + 3 )2 − 2 (E) y = (x + 3 )2 + 2 The Circle The circle is that round shape you know and love ... The answers can be found in Part IV 21 What is the minimum value of f(x) if f (x) = x2 − 6x + 8 ? (A) −3 (B) ? ?2 (C) −1 (D) (E) 22 What are the coordinates of the vertex of the parabola defined by the equation ? (A) (? ?2, 4)

Ngày tải lên: 20/11/2022, 11:33

... The answers can be found inPart IV (−3, 2) Point , quadrant (2, 3) Point , quadrant (3, ? ?2) Point , quadrant (? ?2, −3) Point , quadrant (3, 2) Point , quadrant THE EQUATION OF A LINE ... must also contain which of the following points? (A) (? ?2, ? ?2) (B) (−1, −4) (C) (0, 0) (D) (2, −1) (E) (3, 4) The line y − 1 = 5(x − 1) contains the point (0, n) What is the value of n ? (A) (B) −1 (C) ? ?2 (D) −3 (E) −4 What is the slope of the line whose equation is 2y − 13 = ... What is the slope of the line whose equation is 2y − 13 = −6x − 5 ? (A) −5 (B) −3 (C) ? ?2 (D) (E) If the line y = mx + b is graphed above, then which of the following statements is true? (A) m < b (B) m = b (C) 2m = 3b (D) 2m + 3b = 0

Ngày tải lên: 20/11/2022, 11:33

... in a cube of volume 27 ? (A) 3.0 (B) 4 .2 (C) 4.9 (D) 5 .2 (E) 9.0 22 In the rectangular solid shown, if AB = 4, BC = 3, and BF = 12, what is the perimeter of triangle EDB ? (A) 27 .33 (B) 28 .40 (C) 29 .20 (D) 29 .50 ... b, then the surface area of the sphere is increased by what amount? (A) b2 (B) 4πb2 (C) 8πrb + 4πb2 (D) 8πrb + 2rb + b2 (E) 4πr2b2 35 If the pyramid shown has a square base with edges of length b, and b = 2h, then which of the following is the ... 6x2 (D) 36x2 (E) x3 10 A rectangular solid has a volume of 30, and its edges have integer lengths What is the greatest possible surface area of this solid? (A) 62 (B) 82 (C) 86 (D) 94 (E) 122

Ngày tải lên: 20/11/2022, 11:33

... (D) cos2x (E) sin2x 16 = (A) (B) (C) (D) cos2x (E) tanx 24 − (sinx)(tanx) = (A) cosx (B) sinx (C) tanx (D) cos2x (E) sin2x 38 = (A) 1 − cosx (B) 1 − sinx (C) tanx + 1 (D) cos2x (E) sin2x 45 ... If you multiply by the reciprocal of the denominator, you get Now, to get to sin2x, you need to replace cos2x with 1 − sin2x: 1 − sin2x = 0.345 −sin2x = −0.655 sin2x = 0.655 The answer is (D) Plugging In on Trigonometric Algebra ... they’ll still come in handy The answers can be found in Part IV 19 sec2x − 1 = (A) sinx cosx (B) sec2x (C) cos2x (D) sin2x (E) tan2x 23 = (A) cosx

Ngày tải lên: 20/11/2022, 11:33

... 25 If the graph of y =f(x) is shown above, which of the following sets represents all the roots of f(x) ? (A) {x = ? ?2, 0, 2} (B) {x = −4, −1, 0} (C) {x = −1, 2} (D) {x = −4, −1, 2} (E) ... from 89, to find out an equivalent range value on the graph above So, f(89) = f( 82) = f(75)…and so on Since 89 ÷ 7 = 12 remainder 5, this means that f(89) = f(5) From the graph, f(5) = −1, and the answer is (B) ... If an even function is one for which f(x) and f(−x) are equal, then which of the following is an even function? (A) g(x) = 5x + 2 (B) g(x) = x (C) g(x) = (D) g(x) = x3 (E) g(x) = −|x| 30 If an odd function is one for which f(−x) = −f(x), and

Ngày tải lên: 20/11/2022, 11:34

... a 20 % decrease, and the increase from 4 to 5 is a 25 % increase So the difference is 5% C Using the formula 12 = (150 ÷ x)100, you get x = 1 ,25 0, so 1 ,25 0 must have been the original amount 1 ,25 0 ... Drill 1: PEMDAS and Your Calculator 35 12 35 2. 5 or 0.333…or Drill 2: Word Problem Translation 5 Drill 3: Percent Change B You already know that the difference is going to be 25 Set up your formula: So, adding 25 gallons ... Plug In! Make n = 3 f(3) = (3) + 2 = 3 and f(6) = (6) + 2 = 4 Then use the formula: Drill 4: Repeated Percent Change 20 D Using the formula, you get 1,000(1.05 12) = 1,795.856 25 E For this question, you need to compute 100 annual increases of

Ngày tải lên: 20/11/2022, 11:34

... use the Super Pythagorean Theorem: a2 + b2 + c2 = d2 Because all the edges are equal, this becomes 3a2 = d2, or 3a2 = 1 02, so a = 5.774 To find the surface area, use the formula SA = 6s2 : 6(5.77 42) = 20 0, which is (D) ... Using the Pythagorean Theorem, a2 + 42 = 52; the height is 3 (Note this is a Pythagorean Triplet: 32 + 42 = 52 Recognizing these can save you time!) Next, use the formula for volume of a cone: πr2h, so π( 42) (3) = 50 .26 5, which is (A) ... If the diameter is equal to the height and the radius is r, then 2r = h The surface area is of a cylinder is 2( πr )2 + 2? ?rh This is equal to the volume, so 2( πr )2 + 2? ?rh = πr2h Plug In 2r for h, then solve for r: To find

Ngày tải lên: 20/11/2022, 11:34

... That makes B the point (6, −5) 12 D You’ll essentially be using the distance formula on (2, 2) and the points in the answer choices (−5, −3) is the point at the greatest distance from (2, 2) 28 E To find the ... formula: Divide by 2 to find the radius, which is 11.1 02 Finally, use the formula for area of a circle: π(11.1 02) 2 = 387 .20 1, which is (E) Drill 5: General Equations (parabolas) 21 C This is a quadratic function, which always produces a parabola ... and add that to each term and to the other side of the equation: (x2 + 4x + 4)+ (y2 + 8y +16) = −4 + 4 + 16 You have just created two perfect squares Factor as follows: (x + 2) 2 + (y + 4 )2 =16 Now the equation is in the standard

Ngày tải lên: 20/11/2022, 11:34

... YW = 13; ∠W = 22 . 62? ?; ∠Y = 67.38° Drill 3: Trigonometric Identities 10 D Use FOIL on these binomials, and you get − sin2 x Because sin2 x + cos2 x = 1, you know that 1 − sin2 x = cos2 x 16 C Express tanx as ... whole expression then equals 1 − cos2 x, or sin2 x 45 D First, FOIL the numerator (or note the common quadratic (a + b)(a − b) = (a2 − b2) and you get − sin2 θ which is equal to cos2 θ when you rearrange sin2 θ + cos2 θ = 1 ... quadratic a2 + 2ab + b2 = (a + b )2 Don’t be fooled by the exponent to the power of 4; in this case a = sin2 θ and b = cos2 θ So far, the fraction looks like the following: Because sin2 θ + cos2 θ =

Ngày tải lên: 20/11/2022, 11:34