1. Maths

    I'm after understanding more than an answer but an answer would be greatly appreciated. The question reads as "On the answer sheet for this question is shown an x-y graph of the function [y(x)=x^2cos(3x)] Add to that same picture a rough sketch of the
  2. Math

    I'm after understanding more than an answer but an answer would be greatly appreciated. The question reads as "On the answer sheet for this question is shown an x-y graph of the function [y(x)=x^2cos(3x)] Add to that same picture a rough sketch of the
  3. Early Childhood Education Interpersonal Skills

    As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the
  4. Educational Assitant

    As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the
  5. Poetry

    I am supposed to give a literal explanation of this poem, but I am really confused by it. Your help will be much appreciated. Snow & Ice by Quincy Troupe ice sheets sweep this slick mirrored dark place space as keys that turn in tight, trigger pain of
  6. Pharmacist

    Could you please give me links to where I can find out about Pharmacists. Powerpoints would be good. This is what I need, since Im doing a career Research project on this. Job duties/Responsibilities Education/Training Requirements Demographics (where can
  7. physics

    A rocket is fired straight up and accelerates upward at 24 m/s2 for 12 seconds. The rocket then runs out of fuel and coasts. Ignore any air resistance effects and use -9.8 m/s2 for the local acceleration due to gravity. a) What is the rocket’s maximum
  8. chemistry

    Which of the following best describes the heat engine? A. A heat engine works through the conversion of energy in the form of heat to mechanical work. B. A heat engine works through the conversion of energy in the form of heat to chemical work. C. A heat
  9. physics

    You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m . Part A How much work do you do on the can of paint? Express your answer to two significant figures and include the appropriate units. Part B You hold the can stationary
  10. Physics

    An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s The answer must be A then right.
  11. Math

    Managers of a local shopping mall selected a random sample of shoppers and recorded the gender of each. Here are their results. Gender Number of People Male 69 Female 106 Based on this sample, how many of the next 2000 shoppers would we predict to be
  12. algebra

    Managers of a local shopping mall selected a random sample of shoppers and recorded the gender of each. Here are their results. Gender Number of People Male 75 Female 108 Based on this sample, how many of the next 2000 shoppers would we predict to be male?
  13. Calculus

    Hello. I have a few questions from my study guide, that I need to know to study for my test. 1) x^(2/3)*((5/2)-(x) a) determine the ordered pairs of the local extrema of the function. Use the second derivative test. B) determine the ordered pairs of all
  14. Heeeeeeeelp

    Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w –
  15. Math

    Larry mows the same-sized lawns in his neighborhood each weekend during the summer. Part A Each time Larry mows a lawn he uses 1/6 of a gallon of gasoline. If he has 2/3 of a gallon of gasoline, how many lawns can he mow before he needs to buy more
  16. Intro To Law

    Can someone please help me with my answers? 1. Most states do not hold strict laws related to the licensing of A- Attorneys B- Judges C- Counsel D- Paralegals** 2. A person who offers law-related advice without the appropriate licensing is committing A-
  17. physics

    An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.9 × 104 kg, and the force causes its speed to change from 7600 to 5400 m/s. (a) What is the work done by the
  18. physics- please check

    a. Two sticks are rubbed together to start a fire. b. A firecracker explodes. c. A red-hot iron bar is set aside to cool. In which of the situations listed above is energy being transferred as heat to the system in order for the system to do work? I would
  19. Chemistry

    I'm supposed to do this for an organic chemistry prelab. I've read my books and tried Googling everything possible, but I still don't know how to set this up. Please help! The solubility of a certain compound in ice-cold water is 0.18g in 100 mL. Its
  20. Chemistry Help PLEASE!!

    I don't know how to do this question, I understand we have to use ICE but I keep getting the wrong answer when I solve for x, it's just not working for me. Consider the following reaction: A(g) -> 2B (g) Find the equilibrium partial pressures of A and B
  21. Physics

    an ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +13m/s^2. At t1, the rocket engine is shut down and the sled moves with constant velocity v until t2. The total distance traveled by the sled is 5.30*10^3 m
  22. chemisrty - ICE CHART DEPOSTION

    How do i fill out an ICE chart when i am only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l
  23. PHYSICS

    A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 10.0m in a time of 5.50s . If the worker stops pushing after 5.50s
  24. chemistry help!!!!!

    Consider the following reaction: Find the equilibrium partial pressures of A and B for each of the following different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm, and that the initial partial pressure of A is 0.0
  25. physics

    Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 6-kg book. If your mass is 54 kg and you throw the book at 14 m/s, how fast do you then slide across the ice? (Assume the absence of
  26. science

    A copper calorimeter weighs 100g when empty, 400g when half full of water at 0 degrees Celsius, and 450g when ice at 0 degree Celsius is added. When some steam is passed into the mixture, its temperature is raised by 10 degrees Celsius. Find the quantity
  27. college physics

    A hockey puck of mass 0.228 kg si sliding across level ice. There is a force of friction of 0.057 N acting opposite the direction of motion of the puck while it is sliding. a) what is the acceleration of the puck while it is sliding? b)if it initially has
  28. Physics

    Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 9-kg book. If your mass is 45 kg and you throw the book at 10 m/s, how fast do you then slide across the ice? (Assume the absence of
  29. chemisrty - ICE CHART DEPOSTION

    How do i fill out an ICE chart when i am only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l
  30. physics

    A skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 12 degrees with the horizontal. The rope moves parallel to the slope with a constant speed of 1.0 m/s. The force of the rope does 880 J of work on the skier as the skier
  31. Physics/Math

    What work is done by a force (in newtons) F = 3.1xi + 3.1j, with x in meters, that moves a particle from a position r1 = 2.1i + 2.5j to r2 = - -4.9i -3.9j? For Further Reading * Physics/Math - bobpursley, Thursday, March 1, 2007 at 6:27am Work is the dot
  32. Chemistry

    The heat of fusion for water is 80cal/g. The specific heat of liquid water is 1.00cal/g. How many calories of heat are released when 20g of water at 30 degrees is cooled to 0 degrees and frozen to ice at 0 degrees?
  33. History

    Which best analyzes criticisms of the New Deal? a.The New Deal was seen as promoting American dependency on the federal government. b.The New Deal was widely condemned for decreasing the power of the United States Supreme Court. c.The New Deal was
  34. History

    Which best analyzes criticisms of the New Deal? a.The New Deal was seen as promoting American dependency on the federal government. b.The New Deal was widely condemned for decreasing the power of the United States Supreme Court. c.The New Deal was
  35. World History

    Which best analyzes criticisms of the New Deal? The New Deal was widely condemned for decreasing the power of the United States Supreme Court. The New Deal was denounced for increasing the national debt and reach of the federal government. The New Deal was
  36. managerial economics

    An airline transportation consultant offers the CEO of BlueStar, a struggling new commercial airline company, the following advice conscerning the airline's high operation costs in the current quarter: "You don't have enough aircraft to operate
  37. English

    The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice
  38. English!

    The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice
  39. Accounting

    Department J had no work in process at the beginning of the period, 18,000 units were completed during the period, 2,000 units were 30% completed at the end of the period, and the following manufacturing costs were debited to the departmental work in
  40. English Improving writing rough draft

    Please take a look at this for me this is what I plan to this in however one last look would be great thanks so much for all of your help. :) Prewriting Paragraph 1 The problem is Jack and Rachel often have nothing to do Bonnie and Molly are working extra
  41. Physics 203

    A puck of mass 0.60 kg approaches a second, identical puck that is stationary on frictionless ice. The initial speed of the moving puck is 5.0 m/s. After the collision, one puck leaves with a speed v1 at 30° to the original line of motion. The second puck
  42. Statistics

    A large furniture store has begun a new ad campaign on local television. Before the campaign, the long term mean daily sales were $24,819. A random sample of 40 days during the new ad campaign gave a sample mean daily sale of $25,910. Does this indicate
  43. I need help with these please ALGEBRA

    1. Consider the leading term of the polynomial function. What is the end behavior of the graph? Describe the end behavior and provide the leading term. -3x5 + 9x4 + 5x3 + 3 2. Evaluate : sqrt7x(sqrtx-7sqrt7) show your work. 3. Solve the equation. Check for
  44. math

    In the first quarter of a year, a company’s records showed that 68% of its sales employees missed no work and 76% of its sales employees made their sales quota for the quarter. Of the sales employees who missed no work, 87% made their sales quota for the
  45. Intergovernmental Relations

    I am doing a paper on the balance of power between federal local and state governments in the even of a national disaster. One of the questions posed to me was Should the federal government's superior financial resources supersede concerns about
  46. physics

    An 8 kg ball is moving at 4 m/s. Work is done on the ball to give it a speed of 12 m/s. What is the balls initial kinetic energy? What is the balls final kinetic energy? What work was done on the ball?
  47. Physics

    1)An electron moved from point A to point B along an equipotential surface. a)the eclectron performs work in moving from point A to point B b)Work is required to move the electron from point A to point B c)Work is both required and performed in moving the
  48. English

    1. Be sure (that) you arrive at work on time every morning. 2. Make sure (that) you arrive at work on time every morning. 3. Be sure to arrive at work on time every morning. 4. Make sure to arrive at work on time every morning. ------------------ Are they
  49. Physics

    Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the heat energy must be wasted (released into the environment). We have a heat engine that produces 150 J of heat, does 40 J of
  50. chemistry

    A vitamin C tablet containing 250 mg of ascorbic acid (C6H7O6; Ka = 8.0 x 10-5 is dissolved in a 250 mL glass of water. What is the pH of the solution? i tried answering this question multiple times but i still get it wrong.... can someone help?
  51. dynamics

    cars A and B are d=60m apart and traveling respectively with constant speeds v1=32km/h and v2=24km/h on an ice covered road.knowing that 45s after driver A apples his breaks to avoid overtaking car Bthe two cars collide,determine a)the uniform deceleration
  52. Math

    The local election is over and a new mayor has been elected to lead Big Town. The new mayor received three votes for every vote received by her opponent. The new mayor received 2,541 votes. How many votes did her opponent receive?
  53. physics

    In a local bar, a customer slides an empty beer mug down the counter for a refill. The bartender is momentarily distracted and does not see the mug, which slides off the counter and strikes the floor at distance d from the base of the counter. The height
  54. CHEMISTRY

    How many grams of CH4 are required to produce 43 g of Cu according to the following equation: 4CuO + CH4 --> CO2 + 2H20 + 4Cu? I already tried to work the problem myself, and I may have gotten this right, but I do not have an answer key to compare to.
  55. Chemistry - Heat of Fusion

    When water is frozen into ice cubes in the freezer, where does the released heat go? I think it just goes into the air in the freezer, nowhere special. Because won't the heat become cold air then? That's right. The heat just adds to the heat load that the
  56. Health (Ms. Sue)

    Describe what you would do if you saw a co-worker committing serious safety violations at work. A: If I saw a co-worker committing serious safety violations at work, there are several actions I would take. First, I would advise this co-worker to not commit
  57. Physics

    At the top of a frictionless inclined plane, a .50 kilogram block of ice possesses 6.0 joules of gravitational potential energy with respect to the bottom of the incline. After sliding halfway down the plane, the block's gravitational potential energy is?
  58. Science

    Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!
  59. Chemistry

    The heat of combustion of bituminous coal is 2.5 x 10^4 J/g. What quantity of coal is required to produce the energy required to convert 100. Pounds of ice at 0.0 degrees Celsius to steam at 100.0 degrees Celsius? Is the answer 5.36 about right. I'm not
  60. physics

    A 38 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 16 m apart bu connected by a rope of negligible mass. The girl exerts a horozontal 4.7 force on the rope. (a) What is the acceleration of the girl? m/s2 (b) What is the
  61. Physic

    If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water? If the final equilibrium temperature is 21 C and no heat is lost to the cup itself or the environment, what
  62. Organic Chemistry

    Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!
  63. Physics

    A player strikes a hockey puck giving it a velocity of 47.673 m/s. The puck slides across the ice for 0.175 s after which time its velocity is 46.473 m/s. The acceleration of gravity is 9.8 m/s2 . If the puck strikes the goalie’s pads and stops in a
  64. physics

    The rings of a Saturn-like planet are composed of chunks of ice that orbit the planet. The inner radius of the rings is 78,000 km, while the outer radius is 190,000 km.The mass of this planet is 6.14 * 10^26 kg.
  65. science

    fallow a drop o water through three states of matter. describe what is happening to the molecules as the water turns to gas than describe what is happening to the molecules when the water freezes into ice
  66. physics

    A 60 kg woman and an 85 kg man stand 9.0 m apart on frictionless ice. (a) How far from the woman is their CM? (b) If each holds one end of a rope, and the man pulls on the rope so that he moves 1.1 m, how far from the woman will he be now? (c) How far will
  67. Chemistry

    1) how many joules are required for each of the following? A)Heating 55g of water from 12 degree Celsius to 76 degree Celsius B) Melting 12.8g of ice at 0 degree Celsius. c) Boiling 21.1 g of water at 100 degree Celcius
  68. Science

    A calorimeter of water equivalent 50g contains 250g of water and 50g of ice at 0 degree celsius, 30 g of water at 80 degree celsius is added to it. The final condition in the system will be
  69. Honors Chem

    If I make an ice pack with 750 mL of water, what mass of ammonium chloride must I include to get the temperature to drop from 20 degrees celsius to 5 degrees celsius. The heat of solution of the water and ammonium chloride is 14.8 kJ/mole. I just need help
  70. English Improving writing

    please take a look at this thanks Prewriting Paragraph 1 The problem is Jack and Rachel often have nothing to do Bonnie and Molly are working extra and have to work over time Melanie and Jessica share an administrative assistant Larry's assistant only
  71. English

    Can you please tell me if I made any mistakes in the following sentences? Thank you very much for your help. Thank you for your corrections. Can you please check the grammar in the following letter, please? 1) Do you think you can help me find a school in
  72. chemistry

    If I make an ice pack with 750 mL of water, what mass of ammonium chloride must I include to get the temperature to drop from 20 degrees celsius to 5 degrees celsius. The heat of solution of the water and ammonium chloride is 14.8 kJ/mole.
  73. physics

    A 2 N neuton force is applied to a a2.5 Kg dry ice puck that moves frictionlessly across a desktop. If the puck starts at rest, how fast will it be moving after the force is applied? If the puck were moving at 0.6 m/x, how long would it take to bring the
  74. Chemistry II

    Calculate the energy pulled from 500 grams of Water at 20.0 degrees Celsius to Ice at 0.0 degrees Celsius. What happens to the energy? How much Freon-11 must circulate through the freezer in order to freeze the 500 gram sample of Water?
  75. PHYSICS

    To see how two traveling waves of the same frequency create a standing wave. Consider a traveling wave described by the formula y1(x,t)=Asin(kx−ωt). This function might represent the lateral displacement of a string, a local electric field, the position
  76. Physics

    After an unfortunate accident at a local warehouse you have been contracted to determine the cause. A jib crane collapsed and injured a worker. The horizontal steel beam had a mass of 88.50 kg per meter of length and the tension in the cable was T = 11.78
  77. Social studies

    How have the Piedmont region's physical features influenced its local economy? my answer A. In places, it has rocky soil that is better for manufacturing than farming.*** B. The hilly land makes it difficult to transport goods, which limits economic
  78. English

    Where can I buy MONOPOLY? In RITE AID STORE do they have MONOPOLY? Thank you for using the Jiskha Homework Help Forum. Here is one discount toy store that has different Monopoly games: http://www.discountanimetoys.com/board-games-monopoly-board-games.html
  79. Calculus

    A 20 meter long steel cable has density 2 kg per meter. It is hanging straight down. There is a 100 kg bucket of concrete attached to the bottom. How much work is required to lift the bucket 10 meters by lifting the cable ten meters? Gravitational force
  80. geography

    Which polar region contains more land? Well, since the northern polar region is floating on top of the Artic ice sheet and has no land under it. My answer is the Southern polar region has more land. It has Antartica. Correct?
  81. Physics

    How much heat must be added to 1-kg of 0 degrees Celsius water to turn it into water at 50 degrees Celsius? If the water had been ice at 0 degrees Celsius, would that increase, decrease, or not change the amount of energy required?
  82. math

    During a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. Later you buy three more sweatshirts and four more pairs of sweatpants for $123.00 What is the sale price of each sweatshirt and each pair of
  83. Writing Sentences and Paragraphs

    Here is my Paragraph 1 , It is my good copy just wanna a final check before I submit it. PARAGRAPH 1 According to the job listing in The Daily News, I understand you are seeking a Medical Administrative Assistant to work in Fletcher Allen Hospital in
  84. military , math

    your squad just completed a 12 mile road march inf our hours flat. Althogether there were 15 check points, to include the road march completion point. what was the average time in minutes between checkpoints? 32 26.6 16 8 How many barrels does it take to
  85. Math

    Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for $75. Hot Electronics offers a different payment plan. Janice is going to pay $15 now, and then $7.50 per month. Patricia is going to pay $12.50
  86. Economics

    The formula given was: (real rate of interest) = (nominal rate of interest) - (expected rate of inflation) A chartered bank offers a one-year loan at "3 points above prime." Prime is 4 per cent. a) What is the nominal interest rate? b)If expected inflation
  87. Physical science

    A simple lever is used to lift a heavy load. When a 58-N force pushes one end of the lever down 1.1 m the load rises 0.14 m. How much work is done by the 58-N force? What is the gain in potential energy of the load? How does the work done compare to the
  88. Physics

    I need help solving the problem below. Please respond. At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.9 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down
  89. Math

    1 Write the fraction one-eighth as a percent. Round to the nearest hundredth of a percent where necessary. (1 point) 12.50% 37.50% 62.50% 80.00% 2 Write the decimal 0.063 as a percent. (1 point) 0.63% 6.30% 63% 630% 3 After a study was completed at a local
  90. Marketing

    1. How should Cathay develop and market its global im-age without diminishing its local/regional identity as the Hongkong (and China) carrier? 2. Should cathay focus on China by attempting to develop it further or instead focus on the overall global
  91. English final draft

    Please take a look at this for me it is marked Final however it may not be There are on- going problems that need to be addressed at the DMD company. First there is uneven allocation of tasks. While Bonnie and Molly are working overtime at least twice a
  92. ACCOUnting

    Chen Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2010 are as follows. Production Data-Basketballs Units Percent
  93. Physics

    A 15.3 kg block is dragged over a rough, horizontal surface by a constant force of 130 N acting at an angle of 26.4◦ above the horizontal. The block is displaced 16 m, and the coefficient of kinetic friction is 0.1. Find the work done by the 130 N force.
  94. Math- Still Don't Understand!

    I do not understand how to work this problem out. I have a series of other questions that are similar, and it would really help me out if someone could help me understand how to work this problem. At the first tri-city meeting, there are 8 people from town
  95. English help

    add the comma to the sentence As they studied the film they noticed some rules of science at work i wrote mine like this As they studied the film, they noticed some rules of science at work
  96. math

    It takes Natasha 20 min to drive to work in the morning. She drives home using the same route, but it takes 11 min longer, and she averages 6 mi/h less than in the morning. How far does Natasha drive to work?
  97. Physics

    An airplane passenger carries a 260 N suitcase up the stairs, a displacement of 3.80 m vertically, and 4.30 m horizontally. (a) How much work does the passenger do? (b) The same passenger carries the same suitcase back down the same stairs. How much work
  98. algebra

    It takes Maggie 20 min to drive to work in the morning. She drives home using the same route, but it takes 13 min longer, and she averages 8 mi/h less than in the morning. How far does Maggie drive to work?
  99. physics

    a motorist runs out of gas and must push his 3000kg car across a flat road 200m to the gas station. ignoring friction how much work must be done in order to get the car to the gas pump? if the motorist accomplishes this in 10 minutes, how much power has he
  100. Literature

    'Look around your community's sidewalks, streets, transportation system, and public buildings. How easily can a person with a disability get around? Write a letter to the editor of your local newspaper expressing your views about what changes need to be