hal

Popular questions and responses by hal
  1. physics

    A sports car moving at constant speed travels 120 m in 5.1 s. If it then brakes and comes to a stop in 4.0 s, what is its acceleration? Express the answer in terms of g's, where g = 9.80 m/s2. (Take the positive direction to be the direction of travel.)

    asked on August 18, 2011
  2. Math

    A swim team consists of 7 boys and 5 girls. A relay of 4 swimmers is chosen at random from the team members. What is the probability that there are 3 boys on the relay team given that there is 1 girl on the relay team. Express your answer as a fraction in

    asked on April 10, 2018
  3. chemistry

    What will be the final temperature of the water in an insulated container as the result of passing 5.00 g of steam [H2O(g)] at 100.0°C into 195.0 g of water at 20.0°C? (?H°vap = 40.6 kJ/mol H2O) The best way to do these problems is to make the heat

    asked on October 12, 2006
  4. Language

    What can you infer about Anna in Anna secret wish

    asked on October 17, 2017
  5. Algebra

    A map of Utah has a scale of 1 cm:30 mi. The border of Utah and Wyoming measures about 3.7 cm. How long is the actual border of Utah and Wyoming? Round the answer to the nearest 10 miles. I think it's 110 mi. Am I right?

    asked on November 10, 2016
  6. chemistry

    ? [H3O+] in 0.15 M C2H2H8 and 0.35 M C2H2H9Cl

    asked on July 20, 2011
  7. Algebra

    In 8 months, 55.6 gallons were used. Find the unit rate. Is the answer 6.95

    asked on November 10, 2016
  8. chemistry

    Re-post ? [H3O+] in 0.15 M C2N2H8 and 0.35 M C2H2H9Cl; Kb= 4.7 x 10^-4

    asked on July 20, 2011
  9. Geography

    Which group in Chinese society not given equal education and job opportunities. A the wealthy. B women. C men. D. Buddhist

    asked on October 24, 2017
  10. Algebra

    The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? Is 60 Ft Correct?

    asked on November 10, 2016
  11. Chemistry

    Calculate the hydronium and hydroxide concentration of a solution made by mixing 100 mL 0.020 mol/L NaOH and 25.0 mL of 0.040 mol/L HCl. I'm having trouble knowing where to start with this question.

    asked on December 1, 2015
  12. Math Help

    The length of Joe's rectangular garden is 1 meter less than twice its width, and its area is 120m^2. Find the dimensions of the garden by setting up a quadratic equation and define its variables.

    asked on May 13, 2014
  13. physics

    A 45 kg boy is holding a 12 kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8 m/s towards a 37 kg girl who catches it. The girl is also wearing ice skates. What are the final speeds

    asked on March 3, 2014
  14. algebra

    Could you show me how to do these math systems and show your work so i understand how to do them. 1) 3x+2y+4z=19 2x-y+z=3 6x+7y-z=17 2) 5x+8y+6z=14 2x+5y+z=12 -3x+6y-12z=20 3) x^2+2xy-2y^2=-11 x^2+xy-2y^2=-9

    asked on April 8, 2013
  15. Algebra 2

    The problem is 3x^2 - 26 + 35 (We have to factor it!) So, I did the problem, but I'm not sure how to write the final answer. This is what my problem looks like so far: 3x^2 - 26 + 35 (3x^2-21x)-(5x+35) 3x(x-7)-5(x+7) and this is where I have the problem. I

    asked on November 16, 2011
  16. chemistry

    Calculate the equilibrium constant at 25 C for CH4 + 2 H2O --> CO2 + 4H2 given: delta G for CH4 = -50.81 H2O = -228.6 CO2 = -394.4 H2 = 0

    asked on August 1, 2011
  17. Chemistry

    How much sodium carbonate is needed to precipitate nickel sulfate

    asked on March 24, 2011
  18. Chemistry

    How much sulfuric acid is neede to dissole 200 pounds of nickel powder

    asked on March 24, 2011
  19. Social Studies

    Where was the first civilization? What was the region called then and now?

    asked on January 9, 2011
  20. calculus

    Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the

    asked on November 14, 2009
  21. calculus

    Consider line segments which are tangent to a point on the right half (x>0) of the curve y = x^2 + 1 and connect the tangent point to the x-axis. If the tangent point is close to the y-axis, the line segment is long. If the tangent point is far from the

    asked on November 13, 2009
  22. english

    explain which groups of people make up the "britons" and anglo-saxon culture in beowulf

    asked on October 7, 2009
  23. Pre-Cal

    (-2,1) and (2,1) Passes through (5,4) What is the standard form of the equation of the hyperbola?

    asked on May 2, 2009
  24. 7th grade

    Can someone help me unscramble this Spanish word: sssatlfrieeu'

    asked on January 12, 2009
  25. Geometry

    What is the surface area of a right prism that has these dimensions? Base- 11" x 15 " Back- 10" x 15" Front-?

    asked on April 15, 2008
  26. Dynamics

    A series of small packages are being moved by a thin conveyor belt that passes over a 300-mm radius idler pulley. The belt starts from rest at time t=0 and its speed increases at a constant rate of 150mm/s^2. Knowing that the coefficient of static friction

    asked on April 7, 2008
  1. Algebra 1

    The answers as of 2019 are: 1. D which is 21 2. C which is 201.6 3. B which is 3/4 4. A which is 1/4 5. B which is 200 (Awnsers is correct but I'm including it again for future kiddos whos letter choices might change up.) Also good luck in school guys yall

    posted on November 1, 2019
  2. Algebra

    Your welcome people!

    posted on May 23, 2019
  3. Pre Algebra

    1. B 2. D 3. B 4. D 5. D 6. C 7. A 8. A 9. D 10. C 11. A 12. B 13. A 14. C 15. D 16. D 17. C 18. C 19. A 20. A 21. A 22. 16X+5. 4X+5. Blue 53 pink 17 23. Eden is correct

    posted on May 8, 2019
  4. L.A. The Giver!

    1. D 2. C 3. B 4. C 5. A

    posted on May 4, 2019
  5. MATH

    1. B 2. D 3. C 4. C 5. C 6. C 7. B 8. A

    posted on May 4, 2019
  6. Science

    Np guess here to help

    posted on May 3, 2019
  7. Math check

    1. C 2. B 3. D 4. A 5. C

    posted on May 2, 2019
  8. Math

    1. A 2. C 3. A 4. B 5. C 6. D 7. A 8. D 9. C 10. A 11. D 12. A and D 13. B

    posted on April 30, 2019
  9. Social studies

    1. A 2. D 3. C 4. B

    posted on April 30, 2019
  10. social studies

    1. B 2. B 3. C 4. B 5. B 6. A 7. C 8. B 9. BandC 10. C

    posted on April 30, 2019
  11. math ~dont know all but check some~ pls help!!!

    1. B 2. C 3. B 4. A 5. A 6. C 7. D 8. B 9. C 20. Essay

    posted on April 29, 2019
  12. Algebra please help

    1. D 2. B 3. A 4. C 5. C

    posted on April 29, 2019
  13. Social studies

    1. D 2. B 3. A and D 4. A 5. B

    posted on April 29, 2019
  14. math

    1. B 2. D 3. B 4. A 5. D Unit 6 lesson 1

    posted on April 25, 2019
  15. SS

    1. D 2. A 3. B 4. B 5. C

    posted on April 25, 2019
  16. The Giver

    1. C 2. A 3. A

    posted on April 24, 2019
  17. L A

    1. B 2. C 3. B 4. B 5. A 6. D 7. C 8. A 9. A and C 10. B 11. Essay

    posted on April 24, 2019
  18. Language arts

    1. A 2. A 3. D 4. C

    posted on April 24, 2019
  19. Social Studies 8

    1. A 2. C 3. B 4. A 5. D

    posted on April 23, 2019
  20. History Ms sue

    KpoplsAwful is correct !!

    posted on April 23, 2019
  21. LA the giver chapters 1-2

    1. B and D 2. C 3. B 4. D

    posted on April 21, 2019
  22. English Ms Sue Help

    1. C 2. A 3. A

    posted on April 21, 2019
  23. Language Arts

    1. B and D 2. D 3. C and D 4. Essay 5. C 6. B 7. A 8. B 9. B 10. A 11. D 12. C 13. A 14. A 15. A Iowa CA

    posted on April 21, 2019
  24. Science

    Thank you guys!!! I know im correct!!

    posted on April 15, 2019
  25. English

    1. D 2. PartA-A. PartB-C 3. PartA-C. PartB-D 4. B 5. PartA-D. PartB-A 6. C 7. A 8. A 9. C 10. A 11. D 12. C 13. D 14. A

    posted on April 14, 2019
  26. Math help

    1. C 2. B 3. B 4. D 5. C 6. A 7. B 8. D

    posted on April 14, 2019
  27. Math ASAP please

    1. C 2. D 3. D 4. C

    posted on April 14, 2019
  28. Social studies 7

    1. A 2. D 3. C

    posted on April 14, 2019
  29. Social Sudies please help

    1. A 2. A and C 3. A

    posted on April 14, 2019
  30. S.S

    1. C 2. C 3. A ,4. B 5. A 6. B 7. C 8. C 9. A 10. B

    posted on April 14, 2019
  31. Math

    1. B 2. C 3. B 4. B

    posted on April 11, 2019
  32. social studies

    1. D 2. A 3. D 4. A 5. C and D 6. A 7. C 8. D 9. C 10. D 11. B 12. C 13. D 14. C 15. C 16. B 17. C 18. C 19. C 20. C 21. B 22. B 23. C 24. D 25. B 26. D 27. A 28. C

    posted on April 11, 2019
  33. Economics

    1. D 2. C 3. D 4. D 5. C 6. B 7. B 8. D 9. B 10. C 11. A 12. B

    posted on April 11, 2019
  34. Social Studies

    1. A 2. A 3. C 4. B 5. A

    posted on April 6, 2019
  35. language arts

    1. A 2. A 3. C 4. B 5. D

    posted on April 6, 2019
  36. Algebra Readiness

    1. A 2. C 3. D 4. C 5. D

    posted on April 6, 2019
  37. math

    1. C 2. C 3. A 4. B 5. D

    posted on April 6, 2019
  38. Social studies

    1. D 2. D 3. C

    posted on April 4, 2019
  39. S.S.

    1. B 2. B 3. A 4. D

    posted on April 4, 2019
  40. math

    1. B 2. C 3. D 4. A

    posted on April 1, 2019
  41. Algebra

    Unit 5 lesson 1 1. C 2. B 3. C 4. B 5. D

    posted on April 1, 2019
  42. Algebra

    Unit 5 lesson 1 sequences 1. C 2. B 3. C 4. B 5. D

    posted on April 1, 2019
  43. Math

    1. A 2. C 3. A 4. B 5. D 6. D 7. D 8. B 9. B 10. C 11. A 12. A 13. D 14. A 15. B 16. A 17. C 18. B

    posted on March 31, 2019
  44. Science Help Plzz

    Morgan all correct 14/14

    posted on March 31, 2019
  45. L.A

    1. C 2. B 3. A 4. D

    posted on March 31, 2019
  46. Social studies

    1. C 2. B 3. C 4. C 5. A 6. B 7. A,F 8. A

    posted on March 30, 2019
  47. Social Studies And Business

    1. A,C 2. A 3. A

    posted on March 30, 2019
  48. history

    1. B 2. A,B 3. B,C,E 4. B

    posted on March 30, 2019
  49. Science

    1. C 2. B 3. B 4. D Unit 4 lesson 7

    posted on March 28, 2019
  50. science

    1. C 2. B 3. B 4. D

    posted on March 28, 2019
  51. SS

    1. C 2. A 3. A 4. A,C

    posted on March 27, 2019
  52. SS

    1. C 2. B,C 3. B 4. A 5. B 6. C 7. B 8. A 9. B,C 10. A

    posted on March 27, 2019
  53. Social Studies

    1. A,B,E 2. C 3. B 4. B

    posted on March 27, 2019
  54. Tech. Ed

    1. B 2. A and D 3. A and B

    posted on March 27, 2019
  55. social studys

    Germany wanted revenge from WWI because they were so harshly punished. Hitler began to occupy other countries. When he invaded Poland, France and Britain declared war. U.S. joined the war in 1942. Japan deemed itself a great nation and bombed Pearl harbor.

    posted on March 26, 2019
  56. Language Arts

    1. B 2. A 3. D 4. C

    posted on March 25, 2019
  57. Language Arts

    1. Part A --D Part B --C 2. Essay 3. D 4. C 5. B 6. D 7. A 8. B 9. Essay

    posted on March 25, 2019
  58. Algebra

    1. C 2. B 3. D 4. Combination 5. D 6. B 7. Combination 8. B

    posted on March 24, 2019
  59. Math

    1. B 2. C 3. A 4. C 5. C

    posted on March 24, 2019
  60. History

    1. B 2. B 3. C 4. B 5. A 6. D 7. B 8. B 9. C 10. C 11. D 12. D

    posted on March 24, 2019
  61. Social Studies

    1. B 2. A 3. D 4. B 5. C

    posted on March 24, 2019
  62. social studys

    1. B 2. D 3. A 4. C

    posted on March 21, 2019
  63. Math: Probability

    Unit 4 lesson 2 1. D 2. B 3. B 4. A 5. D

    posted on March 20, 2019
  64. science

    Unit 4 lesson 4 1. A. Gamma Ray's 2. C. Microwaves 3. B. Modulate frequency 4. D. 5

    posted on March 20, 2019
  65. Language Arts

    1. D 2. B 3. D 4. C 5. C

    posted on March 19, 2019
  66. Help?

    1. A 2. B 3. B

    posted on March 19, 2019
  67. art

    1. C 2. D 3. B 4. B 5. D 6. A 7. D 8. B 9. C 10. D

    posted on March 19, 2019
  68. Social Studies

    1. A,B,D 2. A 3. D 4. C

    posted on March 18, 2019
  69. math check probability

    1. A 1/6 2. A 4/6 3. B. 5/6 4. C. 1:4 5. C. 3:1 6. B. 5/8

    posted on March 18, 2019
  70. social studies

    Ummm... WTF are you doing here! please tell me when your making the video

    posted on March 18, 2019
  71. Science--HELP!!

    1. C 2. B 3. C 4. A 5. A

    posted on March 18, 2019
  72. Social studies

    1. C 2. B 3. D 4. B 5. A 6. C 7. B 8. C 9. A 10. C

    posted on March 17, 2019
  73. Social studies

    1. B 2. C 3. D 4. A 5. C

    posted on March 17, 2019