Newest questions and responses by DD
  1. social studies

    what is the preamble to the constitution?

    asked on February 16, 2018
  2. math

    Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,

    asked on May 20, 2017
  3. maths

    two poles 6m and 15m tall are 20 m apart a wire is attached to the top of each pole and is also staked to the ground some where b/n two poles where should be the wire be staked so that the minimum amount of wire be used?

    asked on February 22, 2017
  4. MATH

    Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find: a.how many pupils in wear spectacles b.what percent of the total number of pupils wear spectacles.

    asked on July 1, 2016
  5. math

    If you cut off 5pieces of glass from a 14 feet long, how long should each pieces

    asked on June 28, 2016
  6. History

    which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by

    asked on May 4, 2016
  7. math

    A flag pole sits on the front lawn of a school, 6.6 m from the front door. The angle of elevation from the base of the school to the top of the pole is 38°. Determine the height of the flagpole, to the nearest tenth of a metre.

    asked on March 1, 2016
  8. Social studies

    5. William Tecumseh Sherman's "march to the sea" headed toward; A) Charleston, SC ****** B) Richmond Virginia C) Savannah Georgia D) Baltimore, Maryland 7. What battle began when the Union cavalry surprised the Rebel infantry raiding the town for shoes? (1

    asked on April 17, 2015
  9. english

    2. Which of the following is the best reason to use visuals in a research presentation? A)) to illustrate your main point in an engaging manner B)) to illustrate any topic with data in percentages C)) to show different ways of looking at the same

    asked on April 6, 2015
  10. english

    which sentence contains a participial phrase? a) she wanted to spend time writing. b) her job is giving the attic dwellers their food. c) quickly snatching up the coat, she ran to her room. d) to get along well requires cooperation. which sentence contains

    asked on April 6, 2015
  11. english

    In the following sentences, what word does the participial phrase modify? Everyone in the annex heard her screaming loudly. (1 point) a) everyone b) annex c) heard d) her pl E A S E HE L P

    asked on April 6, 2015
  12. chemistry

    What is the molality of 67.1g of Nano3 in 2.5l of water i get the molar mass of nano3 and divide it by the 67.1g and multipy it by 2.5l

    asked on December 12, 2014
  13. chemistry

    calculate the energy required to raise the temp of 72g of water from 50c tp 150

    asked on December 12, 2014
  14. chemistry

    is finding the molality and molarity the same concept

    asked on December 12, 2014
  15. chemistry

    how much heat is required to raise a 54g sample of water from -20 celsius to 90 celsius explain

    asked on December 12, 2014
  16. chemistry

    How do u tell of a solute is polor or non polar based on what

    asked on December 12, 2014
  17. chemistry

    how many moles of solute are contained in 18.5ml 2.5m CaCL2

    asked on December 12, 2014
  18. chemistry

    What is the ppm of 4.50mg of ddt in 10kg of seal fat?

    asked on December 12, 2014
  19. chemistry

    Increasing pressure does what to solubility. Increasing surface area? increasing temp?

    asked on December 12, 2014
  20. algebra2

    Tim has a pool slide that makes an angle of 25 with the water the top of the slide stands 4.5feet above the surface of the water A:how far out into the pool will the slide reach B:The slide makes a straight line into the water. How long is the slide

    asked on December 11, 2014
  21. algebra2

    At a hot air balloon festival jim watches a hot air balloon rise form a distance of 200 yards. A:From jims position the ballon seen to hover at angle of elevation of 50 What is the height of the ballon B:After a while the ballon seems to hover at an angle

    asked on December 11, 2014
  22. algebra2

    A kite string is 102 feet long. the angle between the kite string and the ground is 54.9. how high is the kite

    asked on December 11, 2014
  23. algebra2

    MS TAn bought a bmw for 62,000. The price of a bmw depreciates at the rate of 12% per year. How much will the saving account have after 30 years

    asked on November 20, 2014
  24. algebra2

    a saving account with an initial balance of $15000 grows at 1.33percent per year compounded continuously. How much will the saving account have after 30 years?

    asked on November 20, 2014
  25. calc

    Each of the regions A, B, and C bounded by f(x) and the x-axis has area 5. Find the value of ∫2 [f(x)+3x^2+2]dx. −4 I know to solve I can find the antiderivative of the equation but im not sure how to do this because of the f(x) in the parentheses.

    asked on November 16, 2014
  26. physics

    Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against

    asked on October 21, 2014
  27. math

    Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March

    asked on June 28, 2014
  28. Math

    If 1/3 of. My salary is in one bank, 1/5 in another and 1/6 in another how much I have left

    asked on March 23, 2014
  29. Statistics

    Suppose 5 cards are drawn, without replacement, from a standard bridge deck of 52 cards. Find the probability of drawing 4 clubs and 1 non- club.

    asked on December 1, 2013
  30. Chemistry

    The density of methanol is .7918 g/ml/ How many grams of methanol do I have to add to 35.0ml of water to make a solution containing 25% methanol?

    asked on September 7, 2013
  31. statistics

    Researchers conducted a survey of parents of 66 kindergarten children. The parents were asked whether they played games with their children. The parents were divided into two groups: working class and middle class. The researchers wanted to know if there

    asked on August 24, 2013
  32. Math

    Which statement(s) is/are true?Select one of the options below as your answer:A. A 25° angle is congruent to a 25° angle.B. Two intersecting lines form two pairs of congruent angles.C. It is possible for congruent angles to add up to 90°.D. All of the

    asked on July 24, 2013
  33. math

    x-y+z=3 2x-y+z=4 x+2y-z=-1 solve in Gaus-Jordan method

    asked on July 13, 2013
  34. physics

    A coil consists of N=105 turns of wire wrapped uniformly around a plastic torus. The inside radius of the torus is r0=0.12 m and the outer radius is r1=0.14 m. Thus, each winding has a diameter d=0.02 m. What is the self-inductance (in H) of this coil?

    asked on April 12, 2013
  35. physics

    Consider a circuit with an RL series with L=0.09 H and R=0.05 Ohm. At t=0 the circuit is connected to a battery which provides V0=12 V. (a)How long does it take to the current to equal a fraction 0.95 of the steady state current? (b) What is the energy

    asked on April 12, 2013
  36. physics

    Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally

    asked on April 12, 2013
  37. physics

    Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?

    asked on April 12, 2013
  38. chemistry

    2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical equation for this

    asked on May 14, 2012
  39. physics

    if a steel flagpole get 5.1 mm taller when temperature increase by 5.0 degree celsius approximately how tall is the flagpole?

    asked on April 12, 2012
  40. Chemistry

    How do I figure out how to balance 1 mole of carbonic acid with 1 mole potassium hydroxide? And balance a chemical reaction of sodium bicarbionate with hydrochloride acid?

    asked on March 18, 2012
  41. physics

    a cyclist must travel 1500 km . how many days will the trip take if the cyclist travels 8 h/day at an average speed of 25 of 25 km/h ?

    asked on September 14, 2011
  42. economics

    For example the productive needs of the firm would be to set (Marginal Revenue = Marginal Costs (MR = MC) and create excess profits for the firm. However, as far as what is in the best interests of society it might be Price or (Average Revenue) = MC. Give

    asked on September 3, 2011
  43. economics

    How do minimum wages affect equilibrium price?

    asked on September 3, 2011
  44. maths methods

    Find the angle of depression from top of a 500 m long chairlift with a vertical height of100 m

    asked on August 1, 2011
  45. physics

    1. The best leaper in the animal kingdom is the puma, which can jump to a height of 12 ft when leaving the ground at an angle of 45°. With what speed, in SI units, must the animal leave the ground to reach that height?

    asked on June 19, 2011
  46. math

    is the realtion a function? explain (1,1), (2,1), (3,1), (4,1)

    asked on March 25, 2011
  47. Math

    An open box with a square base is to bemade to organize items in the trunk of a car. It is planned to use an area of 16m square of flexible plastic forthis box. What are the dimensions of the box for max volume?

    asked on February 25, 2011
  48. college Chemistry

    what is the amount of heat lost in KJ for 50 ml of water going from 70.0 degrees C to 1.0 degrees?

    asked on July 2, 2010
  49. physics

    An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.5 m/s2. The magnitude of the car's velocity at the

    asked on May 26, 2010
  50. algebra

    How do you find any x-intercepts and y-intercepts. If no x-intercepts exist, state this. g(x)=2x^2+3x-1

    asked on April 24, 2010
  51. french

    what does this mean in english ecris la partie correcte d,aller apres chaque nom ou pronom

    asked on November 24, 2009
  52. math

    solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20

    asked on July 22, 2009
  53. math

    Solve -0.6x < -24 x=-40 the solution is {x|

    asked on July 22, 2009
  54. math

    solve using the multiplication principle. -1/2x=-3/4

    asked on July 22, 2009
  55. math

    0.6x+2 ¡Ü 1.4x-1

    asked on July 21, 2009
  56. algebra

    translate to an algebraic expression the product of 37% and some number

    asked on July 21, 2009
  57. Algebra

    evaluate z+y/9 for z=62 and y=10 z+y/9=

    asked on July 21, 2009
  58. math

    Determine whether (-2,-1) is solution of 7x+6y=-3

    asked on July 21, 2009
  59. science

    how many tornados dose ohio average

    asked on March 17, 2009
  60. science

    what site would i go to to summerize the climate changes that have accured from the past to the present and predict what you think the Earth will look like into the 21st. century????

    asked on March 8, 2009
  61. human services

    I am to identify the needs and expectations of P.E.A.C.E domestic violence agency in human service plan, can anyone suggest a web site that I might read and learn these identities and name the different types of stakeholders.I want to check out other sites

    asked on March 5, 2009
  62. human services

    I need help with identifying the elements of an effective program plan through out an evaluation

    asked on February 26, 2009
  63. MATH


    asked on February 21, 2009
  64. government

    Why is the president more successful in foreign policy? This difference narrowed from 1965 to 1975 (55% foreign policy to 46% domestic policy). What explains the president’s poorer recent performance in foreign policy?

    asked on November 22, 2008
  65. government and politic (please help...i'm stuck)

    One of the problems of liberty is that one person’s liberty sometimes conflicts with another’s liberty and one must take precedence. How would you resolve the following conflicts between rights of the individuals and why? [h] Fountain Valley High

    asked on November 10, 2008
  66. Criminology

    Help, I don't know where to begin. Your supervisor would like you to do some research in preparation for an article regarding the application of modern theories of criminal thinking and criminal behavior of famous criminals in American history to be

    asked on April 3, 2008
  67. English

    Can somesome read this for me and give me any feedback that's necessary. The first paper that I wrote was a narration paper this paper deals with joining a series of events within the first paper that I wrote I walk you through how you really cant trust in

    asked on November 24, 2007
  68. English

    Can someone please read this paper and give me any feedback to help improve this paper. I'm not good at writing papers. Thanks In 2005 the Dial Corporation announced that it would be laying fifty people off for the needs of the business. the fifty people

    asked on November 24, 2007
  69. English

    Can somebody proofread this and tell me if its okay. The day was October 30, 2005 I went work at the Dial corporation like any other day. Little did I know that this would be unlike any other day that I had ever worked in all the four years that I had been

    asked on November 24, 2007
  70. English

    Choose three items from the list below. Define your three chosen errors. Write two sample sentences for each choice: one that demonstrates the error and one that corrects the error. In a paragraph, describe how you plan to improve these areas in your

    asked on November 15, 2007
  71. CHEM

    A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of

    asked on October 1, 2007
  72. chem

    A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of

    asked on October 1, 2007
  1. algebra


    posted on October 17, 2018
  2. Statstistics


    posted on October 4, 2018
  3. math


    posted on September 13, 2018
  4. Maths

    -sin 23

    posted on June 11, 2018
  5. Math

    ✔ vi Gg

    posted on May 4, 2018
  6. 7th Grade Social Studies!!

    Thank you

    posted on April 24, 2018
  7. Chemistry

    No clue

    posted on April 8, 2018
  8. Math

    what where the answers

    posted on January 26, 2018
  9. Math

    shadow is wrong

    posted on January 26, 2018
  10. AP BIO


    posted on January 17, 2018
  11. Algebra 1 help


    posted on January 12, 2018
  12. Math


    posted on November 29, 2017
  13. Math

    2.48>2.4 1>2.463

    posted on October 27, 2017
  14. history

    i mean this test

    posted on October 4, 2017
  15. history

    what lesson is it

    posted on October 4, 2017
  16. math

    how is the sentence "15 more than x is 5" written as an equation? A. x+5=15 B. x=15+5 C. x-15=5 D. x+15=5 is the answer B.

    posted on August 31, 2017
  17. science

    this is an object

    posted on August 3, 2017
  18. math


    posted on June 8, 2017
  19. physics


    posted on February 7, 2017
  20. math


    posted on January 30, 2017
  21. Math 6th


    posted on January 17, 2017
  22. social studies


    posted on December 12, 2016
  23. Math

    You guys suck

    posted on November 3, 2016
  24. Corporate Finance


    posted on October 22, 2016
  25. math

    Folow the equation a squared + b squared = d squared

    posted on May 11, 2016
  26. math


    posted on April 19, 2016
  27. Managerial Econ


    posted on February 20, 2016
  28. Health

    Thanxs salted caramel

    posted on January 8, 2016