angelina college: Answers

Showing posts with label Answers. Show all posts

Showing posts with label Answers. Show all posts

Wednesday, August 31, 2011

Answers for Math Practice Problem Module 6

1. C, pole

2. A, rose

3.

A, 192Ö3

4. B, 2.25p

5. C, 47/13

6. B, 10/3

7. A, y²=x³

8. A, -3/4

9. B, 0,60

10. C, 36.8 ft

11.

C, 5Ö3

12.

A, Ö29

13. B, 5

14. B, isosceles

15. C, 5, 3, -5

16. B, 60.51⁰

17. A, 112.39⁰

18. C, 2

19. C, 4

20. A, 20/3

21.

C, Ö29

22. B, r²sin2q = 16

23. B, y²=5x

24. D, r²+z² = 36q²

25.

B, (Ö61, 53.13⁰, 39.81⁰

26. A, 4x-9y+7z-65 = 0

27.

C, 35/Ö69

28. A, (-2/5, 3, -7/5)

29. A, 2

30. C, 32.42⁰

31. B, [-5, 11, 7]

32. C, 2x-6y+3z+43 = 0

33. B, 2

34. D, an elliptic cone

35. B, (0, 3, 50)

36.

A, (4Ö2, p/4, -2)

37.

A, (Ö6, Ö2, 2Ö2)

38. A, increases

39. A, quadratic

40. C, (1, 6)

41. B, 1.25 m

42. D, -15

43. A, linear

44. D, f”92)>0

45. C, 8.7 cm/s

46. A, zero

47. A, f”(a) = 0

48. B, concave downward

49. C, 0.3 cm²/hr

50. C, 50 kph

Answers for Math Practice Problem Module 5

1. C, 4

2. A, 252p/3 cm3

3. C, 18, 432p cm3

4. C, AÖ3/2

5. A, 6 and 5

6. A, 12 sides

7. D, 6

8. A, 30

9. C, 25p

10. A, 48 sq.m

11. D, ellipse

12. A, cardioid

13. D, downward

14. D, circle

15. C, folium of descartes

16. D, (1/3, -5)

17. B, 3x+2y-12 = 0

18. C, directrix

19. B, 3

20. B, Ax²+Dx+Ey+F = 0

21. B, (16, -12)

22. B, 2.67

23. C, arctan 3

24. A, a parabola

25. A, 3/2

26. C, a hyperbola

27. C, m₁m2_-1

28. B, (1, -3)

29. B, positive

30. D, a hyperbola

31. D, perpendicular

32. B, 3x-4

33. A, 9

34. C, (1, -5/3

35. A, 1/7Ö14

36. C, ellipse

37. C, hyperbola

38. A, ±b/a

39. B, (5, -2)

40. D, (0, -4)

41. B, (2, p/6

42. C, 4x²=y³y=4

43. A, y=4

44. B, (-1, 1), (4,11)

45. C, 30 sq units

46. A, hyperbola

47. B, 5

48. A, r=6csc2q(cosq+sinq)

49. D, rhombus

50. C, 0 < a/b <1

Sunday, August 21, 2011

Answers for Math Practice Problem Module 4

1. B, 13 cis 887⁰51’34”

2. B, 4x³–3x

3. B, 2

4. D, 7.81m

5. A, 223.1 m

6. C, 445.70 m

7. D, 11.28 km/hr

8. A, 7.29 m

9. B, 5, 400

10. D, 24

11. A, 1, 389

12. D, A+B+C >180⁰

13. A, 110⁰

14. C, 2, 764.8

15. A, 3, 185 KM

16. D, 7, 250

17. B, 134⁰47’

18. B, 12⁰S

19. C, 22.19

20. D, a quadrantal triangle

21. A, 131.45 nm

22. B, cotA = cosc tanB

23. B, 143.1⁰

24. A, 2, 601 nm

25. A, 54.93⁰

26. B, 34.55⁰

27. C, 96.41⁰

28. B, 1.6 days

29. C, 17^h22^m16^s

30. B, 17.31⁰

31. D, 20 faces

32. D, apothem

33. C, dihedral angle

34. A, 336.72 cm²

35. A, 15 cm

36. C, 520 cu. cm

37. A, 22.63 cm³

38.

B, 5Ö3

39. C, 1/8

40. C, (n-2)x 180⁰

41. B, 360/n

42. B, 1/2

43. A, 274.18

44. A, 12

45. B, 6

46. A, 3 ft

47. B, 100 R³

48. C, 1.2637 m³

49. B, 16 cm

50. A, 25p cm²

Thursday, August 4, 2011

Answers for Math Practice Problem Module 3

1. C, 27.47

2. B, 20/11 days

3. A, 7:22

4. A, 7:05

5. AB, 7:38, 7:30

6. A, 2:26.01 & 5:12.178

7. A, 12

8. A, 17 and 115

9. C, 83

10. A, 16.7

11. A, 14 lbs silver

12. D, 24

13. B, 3A+B-1

14. A, Ö3

15. D, 100

16. D, 0.6532

17. B, 12

18. A, not equal to 0

19. C, independent

20. A, P(AandB)=P(A)·

P(B½A)

21. B, P(A and B) = 0

22. D, independent

23. A, events “ACE” and “HEART”

24. A, 1:2

25. B, 0.20

26. B, 0.30

27. B, 0.60

28. A, dispersion

29. A, range

30. A, class boundary

31. C, number of accidents

32. B, discrete variable

33. B, 25

34. B, median

35. B, 38.3

36. C, cos(-A) = cos A

37. C, 4p

38. C, sin²A – cos²B = 0

39. B, -4/3

40. B, x+y = 90⁰

41. D, -csc60⁰

42. A, p/3, 5/3p

43. D, IV

44. D, 123

45. B, 20

46. A, 60⁰

47. C, 18 and 24

48. B, -64

49. D, 110⁰

50.

C, 2 + Ö3i

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