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The great gatsby, guide quizlet i get now a socratic seminar: human in calculus i get this is a clipboard to develop critical thinking that i am one of
ANSWERS TO ALL EXERCISES - Cengage
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30 30 60 31 10 32 50 33 2 34 100 CLAST PRACTICE B 35 C 36 B 37 D 38 D 39 C 40 B WARM-UPS C 41 $2500 42 $24 43 $12 44
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ANSWERS
TO ALL
EXERCISES
266
Copyright © Houghton Mifflin Company. All rights reserved.
ANSWERS CHAPTER 1
EXERCISE 1.1
WARM-UPS A
1. 1 10
21
2. 2 23
40
3. 1 3
4
4. 37
8
5. -1 4
5 6 . - 2 5 6
7. 1 1
4
8. 2 3
5
9. -4 2
5
10. -23
7
CLAST PRACTICE A
11. D
12. A
13. B
14. D
WARM-UPS B
15. 1 2
7 16. 1 3
17. 4 1
2
18. 6
19. 4 2
3 20. 1 9 21.
1 12
22. 21
3
23. -68
24. -60
CLAST PRACTICE B
25. D
26. A
27. B
28. D EXTRA PRACTICE
29. D
30. C
31. C
CHAPTER 1 Answers 267 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 1.2
WARM-UPS A
1. (3 ×3 × 3 ×3 × 3)(2 ×2)
2. (4 ×4 ×4)(8 ×8 ×8 ×8)
3. (2)(2)(2) + (9)(9)(9)
4. (9)(9)(9) + (3)(3)(3)
5. 6
3
× 6
3
6. 7
4 × 7 4
CLAST PRACTICE A
7. B 8. D 9. D
WARM-UPS B
10. 1 10 4 11. 1 10 3
12. (8 ×10
1 ) + (4 ×10 0 )+ (6 ×1 10 ) + (7 ×1 10 2 ) + (4 × 1 10 3 )
13. (2 ×10
2 )+(9 ×10 1 ) + (4 ×10 0 ) + (9 ×1
10) + (7 ×1
10 2 )
14. 0.11001
15. 0.20101
16. (3 ×10 4 ) + (4 ×10 2 ) +(7 × 10 1 ) + (8 × 10 0 )
17. (1 ×10
4 )+(2 ×10 3 ) (5 × 10 1 )+(7 × 10 0 )
CLAST PRACTICE B
18. B
19. C
20 . A
21. C
22. C
EXTRA PRACTICE
23. B
24. B
25. C
26. D
27. A
268 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 1.3
WARM-UPS A
1. $12,600
2. $100
3. $19
4. $36
5. 900
6. 300
7. B
8. C
9. $20,000
10. $640
11. 11
4 and 375 8
12. 23
4 and 46
CLAST PRACTICE A
13. A
14. C
15. B
16. C
17. B
18. D
WARM-UPS B
19. 5.967
20. 5.875
21. 6.969 22. 15.803
23. -27.069
24. -14.851
25. 8.626
26. 9.231
27. 59.04
28. 97.03
29. -7.29
30. -46.25
31. 291.7
32. 347
33. -6.2
34. -5.8
CLAST PRACTICE B
35. B
36. A
37. C
38. A
39. D
40. B
41. C
42. A
EXTRA PRACTICE
43. B
44. C
45. D
46. A
CHAPTER 1 Answers 269 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 1.4
WARM-UPS A
1. 27 100
2. 23
50
3. 11 5 4. 7 2
5. 0.75
6. 0.12
7. 0.45
8. 1.75
9. 1.5
10. 4.5
11. 0.18
12. 0.49
13. 0.032
14. 0.089
15. 0.0825
16. 0.0975
17. 7%
18. 1%
19. 36%
20. 85%
21. 13.9%
22. 38.4%
23. 312%
24. 506%
25. 325%
26. 750%
27. 18.2%
28. 21.4%
29. 2.8%
30. 9.5%
31. 15% 32. 20%
33. 87.5%
34. 50%
35. 37.5%
36. 24%
37.
39
100
38.
3 25
39.
29
200
40.
23
80
CLAST PRACTICE A
41. A
42. D
43. C
44. A
45. D
46. A
47. <
48. >
49. >
50. <
51. <
52. >
53. >
54. <
55. =
56. =
57. >
58. <
59. >
60. < CLAST PRACTICE B
61. C
62. B
63. A
64. B
65. C
66. B
67. C
68. B
69. A
70. B
71. C
72. B
WARM-UPS C
73. -
2 243
74. - 4
243
75. 9
76. -20
77.
1 51
78.
1 60
79.
1 12 80.
1 6
CLAST PRACTICE C
81. D
82. A
EXTRA PRACTICE
83. C
84. B
85. A
86. D
270 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 1.5
WARM-UPS A
1. 60%
2. 60%
3. 25%
4. 20%
5. 40%
6. 60%
7. 104
8. 50
9. 48
10. 24
CLAST PRACTICE A
11. C
12. B
13. B
14. C
WARM-UPS B
15. 14
16. 25.2
17. 102
18. 133
19. 112.5
20. 128.8
21. 49.35
22. 8.1
23. 16.6
24. 150.75
25. 20%
26. 50%
27. 400%
28. 150%
29. 30
30. 60
31. 10
32. 50
33. 2
34. 100
CLAST PRACTICE B
35. C
36. B
37. D
38. D
39. C
40. B
WARM-UPS C
41. $2500
42. $24
43. $12
44. $5; $20
45. $9.80
46. $32
47. $48
48. $58
CLAST PRACTICE C
49. B
50. C
EXTRA PRACTICE
51. A
52. B
53. D
54. B
CHAPTER 1 Answers 271 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 1.6
WARM-UPS A
1. $730
2. $20.60
3. $1
4. $0.96
5. 43
6. 13
7. $72
8. $440
9. 13
10. 15
CLAST PRACTICE A
11. D
12. A
13. C
14. B
15. D
WARM-UPS B
16. 45
17. 9
18. 2 (6 and 12)
19. 3 (4, 8 and 16)
CLAST PRACTICE B
20. D
21. A
EXTRA PRACTICE
22. B
23. D
24. C
25. D
26. B
27. C
28. B
272
Copyright © Houghton Mifflin Company. All rights reserved.
ANSWERS CHAPTER 2
EXERCISE 2.1
WARM-UPS A
1. 14 - 5 2. 14 - 3 3. 7 - 7
4. - 5
5. 5 2 6. 7 3 7. 7 8. 2 10 9. 7 5
10. 11
3 11. 5 6 12. 5 14 13. 4 5 5 14. 7 6 6 15. 3 2 4 16. 5 3 9 17. 6 6 18. 1 3
CLAST PRACTICE A
19. A
20. B
21. D
22. C
23. A
24. C
25. D
26. B
WARM-UPS B
27. 1,705,000
28. 21,600
29. 0.04185
30. 0.001584
31. 2 10
-8
32. 2 10
-5
33. 4.2 10
-6
34. 2 10
-9
CLAST PRACTICE B
35. A
36. D
37. B
38. A WARM-UPS C
39. - 361
3
40. - 242
3
41. - 99
10
42. - 10
43. 6t
2 - 3t
44. 8t
2 + 5t
45. 8t
2 - 13t
46. 14t
2 + 13t
CLAST PRACTICE C
47. A
48. D
49. A
50. C
EXTRA PRACTICE
51. B
52. C
53. A
54. B
CHAPTER 2 Answers 273 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.2
WARM-UPS A
1. 20(5 + 7)
2. a[(-4) + (-6)]
3. a[5 + (-3)]
4. -c(7 + 9)
5. (5 + 3) + 2
6. (9 + 3) + x
7. 3 × a + 3 × b
8. 7 × x + 7 × z
9. (3a
2 a 5 )b 4
10. (-5x
3 x 7 )y 2
CLAST PRACTICE A
11. B
12. D
13. B
14. A
15. D
16. C
17. A
WARM-UPS B
18. x - 7 = 2
19. x - 9 = 4
20. x - 17 = 20
21. 23x - 6 = 27
22. 12a - 90 = 7
23. 13a - 56 = 3
24. 3x > -3
25. 5x > 1
26. 7x < 5
27. 9x < 3
28. 3x >
6
29. 4x >
6
30. x >
-35
31. x >
- 24
CLAST PRACTICE B
32. D
33. A
34. A
35. D
EXTRA PRACTICE
36. B
37. A
38. A
39. C
40. D
41. B
42. A
43. C
274 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.3
WARM-UPS A
1. x = 14
2. x = - 5
3. x = -9
4. x = - 10
5. x = 3
6. x = - 3
7. y = 8
3 or 22
3
8. y = 5
2 or 21
2
9. y = 13
2 or 61 2
10. y = 13
4 or 31
4
11. y = 3
12. y = 7
6 or 11
6
13. z = 28
14. z = -12
15. b = 6
16. b = 3
17. a = 59
13 or 47 13
18. a = 26
9 or 28
9 19. a = 22
9 or 24 9
20. a = 11
8 or 13 8
CLAST PRACTICE A
21. B
22. C
23. C
24. A
25. A
26. C
WARM-UPS B
27. x 4
28. x 2
29. x -3
30. x -2
31. b -25
32. b -24
33. x 2
34. x 5
CLAST PRACTICE B
35. B
36. B
37. C
38. D
39. A
40. B
WARM-UPS C
41. No
42. Yes
43. Yes
44 Yes
45. No
46. Yes
47. Yes
48. Yes
49. Yes
50. No
CLAST PRACTICE C
51. A
52. D
53. D
54. C
CHAPTER 2 Answers 275 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.4
WARM-UPS A
1. a = 196
2. b = 169
3. c = 81
4. d = 6
5. W = 160 lbs
6. W = 100 lbs
7. H = 14 years
8. t = 4 hours
CLAST PRACTICE A
9. A
10. A
11. B
12. D
13. C
14. A
15. A
WARM-UPS B
16. 11
17. 15
18. -4
19. 14
CLAST PRACTICE B
20. D
21. A
22. B
23. A
24. C
25. A
276 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.5
WARM-UPS A
1. 2x + 3, x + 1
2. 2x + 1, x + 3
3. 4y - 3, y - 2
4. 3y - 2, y - 5
5. 3y + 1, y - 2
6. 4y - 3, 3y + 2
7. 5x + 1, x + 2
8. 5x + 3, x + 1
9. 3x + 1, x - 2
10. 5x + 4, x - 2
11. x + 1, x - 1
12. x + 6, x - 6
13. 3x + 2, 3x - 2
14. 4x + 5, 4x - 5
CLAST PRACTICE A
15. A
16. D
17. B
18. C
WARM-UPS B
19. x = - 1
2 , x = - 3
20. x = - 3
2 , x = -1
21. x = 0
22. x = 3
2 , x = - 4 3
23. x = - 1
3 , x = 2
24. x = 3
4 , x = - 2 3
25. y = 2
3 , y = 5
26. y = - 1
3 , y = 1
27. x = - 3
2 , x= - 2
28. x = -7
97
4
29. x = 5
7 , x = 1
30. x = -8 2
6 5 CLAST PRACTICE B
31. A
32. A
33. A
34. B
35. C
EXTRA PRACTICE
36. D
37. A
CHAPTER 2 Answers 277 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.6
WARM-UPS A
1. {(3, 1)}
2. {(-1, 2)}
3. {(-2, -3)}
4. {(3, -3)}
5. The empty set
6. The empty set
7. {(-3, -3)}
8. {(x, y) | y = 3
4 x - 1
4 }
9. {(x, y) | y = - 3
2 x + 6}
10. The empty set
CLAST PRACTICE A
11. D
12. B
13. A
14. D
15. C
WARM-UPS B
5-55 -5 x + y = 3x + y = 3 16. 5-55 -5 x - y = - 3 17. 5-55 -5
2x + y = 42x + y = 4
18. 5-55 -5 x - 2y = 4x - 2y = 4 19. 5-55 -5 x = 3 20. 5-55 -5 y = -3y = -3 21.
5-55 -5 x = -4x = -4 22.
5-55 -5 y = 4y = 4 23.
24. x -4
25.
y -4 26.
4x + y 4
27.
x - 2y -4 28.
x 1 and y 2 29.
2x + y 4
30.
4x - 3y > -12 x 0 and y 0 31.
-3x + y -3
CLAST PRACTICE B
32.
D 33.
B 34.
D 35.
D 36.
C 37.
D 38.
B 39.
C 40.
A 278 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 2.7
WARM-UPS A
1. 7
5 = t
30
2. L
11 = 4
2
3. 6
8 = 39
F or 3
4 = 39
F
CLAST PRACTICE A
4. C
5. D
6. D
WARM-UPS B
7. 11
2 lb per sq. in.
8. 900 lb per sq. in.
CLAST PRACTICE B
9. D
10. D
WARM-UPS C
11. x - (5x + 2) = 9
12. x - (4x + 6) = 5
13. x + 17 = 36
14. 5x = x - 2
15. x - 7 = 8 x
16. x
3 = x + 2
17. n + (n + 1) + (n + 2) =
(n + 1) 2
18. (n + 2)
2 n(n + 1)
19. 10x + (x - 4)=21(x - 4)
20. x
2 + 2x = x + 7
CLAST PRACTICE C
21. B
22. A
23. C
24. D
25. D
CHAPTER 3 Answers 279 Copyright © Houghton Mifflin Company. All rights reserved.
ANSWERS CHAPTER 3
EXERCISE 3.1
WARM-UPS A
1.
3 in.
2. 21
2 in.
CLAST PRACTICE A
3. D
WARM-UPS B
4. 900 m
5. 0.900 km
6. 125 ft
7. 412
3 yd
8. 16Ǒ cm
9. 10Ǒ in.
10. 100Ǒ sq. m
11. 36Ǒ sq. ft
12. 80 sq. mm
13. 8 sq. yd
14. 6 sq. km
15. 7 sq. ft
16. 412 sq. cm
17. 352 sq. in.
18. 384 cu. in. 19.
6000 cu. mm
20. 576Ǒ cu. in.
21.
300Ǒ cu. cm
22. 90Ǒ cu. ft
23. 4
3 Ǒ cu. ft
24. 32
3 Ǒ cu. yd
25. 195 cl
26.
390 cl
CLAST PRACTICE B
27. C
28. C
29. B
30. C
31. D
32. B
33. A
34. A
35. C
36. D
37. C
38. B
WARM-UPS C
39. Linear
40. Linear
41. Square
42.
Square
43. Cubic (or gallons or
liters)
44. Cubic (or gallons or
liters)
CLAST PRACTICE C
45. B
46. C
47.
A
48. B
49. C
50. C
EXTRA PRACTICE
51.
B
52. A
280 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 3.2
WARM-UPS A
1. $972
2. 12
3
3. $270
4. 88
9
5. 0.8 liter
6. $360
7. $2160
8 . 30Ǒ
9. 60 ft
10. 50 mi
11. 97 9.8 ft
12. $900
CLAST PRACTICE A
13. C
14. D
15. B
16. C
17. C
WARM-UPS B
18. 25
3 2 sq. units
19. A = 3bh
20. A = rh + 1
2 Ǒr
2
21. P = 2Ǒs
22. A = s
2 + 1
2 Ǒs
2
CLAST PRACTICE B
23.
A 24
. C
25. C
26. C
27. A
28. A
29. D
30. B
31. D
EXTRA PRACTICE
32.
C
33. C
34. D
35. C
CHAPTER 3 Answers 281 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 3.3
WARM-UPS A
1.
1 and 6; 3 and 4
1 and 3; 4 and 6
2.
2 and 5
3.
2 and 5; 3 and 6;
1 and 4. 4.
2 and 5
5.
1, 3, 4, 6
6. No
7. 60o
8. 30o
9. 90o
10. y = 30o, z = 75o
11. Acute, equilateral
12. Obtuse, scalene
13. Right, scalene
14. Acute, isosceles
15. Square
16. Trapezoid
CLAST PRACTICE A
17. D
18. C
19. D
20. B
21. C
WARM-UPS B
22. 115o
23. 65o
24. 65o
25. 70o
26. 70o
27. 40o
28. 45o
29. 45o
30. 90o
31. 90o
32. 75o
33. 75o
34. 30o
35. B
CLAST PRACTICE B
36. B
37. D
38. B
39. C
40. D
WARM-UPS C
41. x = 51
3 , y = 62 3
42. 12.5
43. 14
44. 31
3
45. 11
3
46. 4
CLAST PRACTICE C
47. B
48. A
49. A
50. B
EXTRA PRACTICE
51. C
52. B
282
Copyright © Houghton Mifflin Company. All rights reserved.
ANSWERS CHAPTER 4
EXERCISE 4.1
WARM-UPS A
1.
Not everybody in the
city has an equal chance. 2.
Not the target popula-
tion.
CLAST PRACTICE A
3. C 4. A
WARM-UPS B
5. 42%
6. 68%
7.
45-54
8. 55
+
9. 55
+
10. 40%; 45-54
11. Dept. Stores
12. Specialty Stores
13. Dept. Stores
14. Specialty Stores
15. 37%
16. 23%
17. 40%
18. 4%
CLAST PRACTICE B
19.
Never washed
20. D 21.
B 22.
C
23. C
WARM-UPS C
24. Increased
25.
Stabilized
26. Age Under 14
27. Age 65
+
28. 26 mpg
29. 23 mpg
30. As the speed in-creases, the mpg decreases.
CLAST PRACTICE C
31. C
32. B
33. D
EXTRA PRACTICE
34.
B
35. A
CHAPTER 4 Answers 283 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 4.2
WARM-UPS A
1. 8
2. 16
3. 6
CLAST PRACTICE A
4. C
5. D 6 . A
7. B
8 . C
WARM-UPS B
9. median < mean
10. mode < mean
11. mode < median
12. 5 years
CLAST PRACTICE B
13.
C
14. D
15. D
16. B
WARM-UPS C
17. 2
18. 2
19. 2.57
20. 2
21
. 0
22. 1.70
23. O.56
24. 14
25. 26
26. 29
27.
$34,999
28. $10,000
CLAST PRACTICE C
29. D
30. C
31. B
32. D
33. C
34.
A
35. D
EXTRA PRACTICE
36.
B 37
. D 38.
C
39. B
40. A
41. D
42. C
284 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 4.3
WARM-UPS A
1. 120
2. 720
3. 24
4. 15
5. 32
6. 10
7. 10
8. 60
CLAST PRACTICE A
9. D
10. C
11. B
12. C
13. D
14. A
15. C
WARM-UPS B
16. 1 5 17. 4 5 18. 3 5 19. 2 5 20. 1 10 21.
81
100
22.
1 45
23. 0.06 or 3
50
24. 0.20 or 1
5
25. 0.6 or 3
5
CLAST PRACTICE B
26.
A
27. B
28. C
29. C
30. B
31. C
32. D
33. C
34. B
WARM-UPS C
35. 0.20 or 1
5
36. 0.90 or 9
10
37. 0.30 or 3
10
38. 60% or 3
5
39. 10% or 1
10 40.
3 7 41.
2 3
42. 55% or 11
20 43.
3 5
44. 45% or 9
20
45. 80
CLAST PRACTICE C
46.
C
47. A
48. D
49. B
50. C
51. A
EXTRA PRACTICE
52.
B
53. B
54. A
CHAPTER 5 Answers 285 Copyright © Houghton Mifflin Company. All rights reserved.
ANSWERS CHAPTER 5
EXERCISE 5.1
WARM-UPS A
1. It is snowing or the
sun it not out.
2. It is not warm and the
air conditioner is not broken.
3. Bill will not study Math
and he will pass the test.
4. It does not rain and we
will not go to the beach.
5. The sun is out and the
temperature will not rise.
6. Some athletes are not in
good shape.
7. No athletes are in good
shape.
8. Some athletes are in
good shape.
9. All athletes are in good
shape.
CLAST PRACTICE A
10. D
11. C
12. D
13. B WARM-UPS B
14. Today is not Monday
or I will study. I will study or today is not Monday. If I will not study then today is not Monday.
15. Joe did not take Math
or Joe did not fail it.
16. Wendy is not
intelligent and Wendy is not aloof.
17. Pat is a not boy or
Jackie is a not boy.
CLAST PRACTICE B
18. B
19. C
20. C
21. A
WARM-UPS C
22. "Not all are p" is
equivalent to "Some are not p."
23. "Some are p" is
equivalent to "It is not true that none are p."
24. "Not all are p" is
equivalent to "Some are not p."
25. "All are not p" is
equivalent to "None are p."
CLAST PRACTICE C
26. A
27. C
28. A
29. D
30. D
31. A
EXTRA PRACTICE
32. B
33. A
34. C
35. D
286 ANSWERS TO ALL EXERCISES
Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 5.2
WARM-UPS A
1.
Every element of
set A is also an element of set B.
2. There is no element that is in both A and C.
3. There is no element that is in both C and B.
4. Every element of set A is also an
element of set U.
5. No.
6. Yes.
CLAST PRACTICE A
7. B 8. A 9. A
10. D
WARM-UPS B
11.
No supervisors are
lovable.
12. No politicians are reliable.
13. Some employees will not be promoted.
14. Some students are snobs.
15. Ms. A
16. Mr. S
CLAST PRACTICE B
17. A
18. C
19. D
20. B
21. A
WARM-UPS C
22.
You get a good job.
23. I will go to college.
24. If you are rich, then you visit France.
CLAST PRACTICE C
25.
C
26. C
27. D
28. B
CHAPTER 5 Answers 287 Copyright © Houghton Mifflin Company. All rights reserved.
EXERCISE 5.3
WARM-UPS A
1.
The car will start.
2. We do not want to save money.
3. The car will not start.
4. If you use the right bait, you will have a nice dinner.
5. All dogs have
legs.
6. Some Math students won't pass the course.
CLAST PRACTICE A
7. A 8. B 9. B
10. D
WARM-UPS B
11.
Valid
12. Invalid
13. Valid
14. Valid
15. Valid
16. Valid
CLAST PRACTICE B
17. B
18. C
19. A
20. B
EXTRA PRACTICE
21.
C
22. B
23. D
24. B
25. A