1. math 4 grade

    A group of four friends went out for dinner. Their subtotal for their meal came out to $156. While waiting for the bill to come they tried to figure out how much the tax would be if they know the local tax is 8%. They also know they want to leave a 15% tip
  2. calculus

    Please help!! Okay so my teacher has been away and hasent explained anything to us and we have to find the intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points for
  3. chemistry

    when water kept at zero degree celcius it become ice.similarly what happens when ethanol kept at zero degree celcius?
  4. chemistry

    how can you tell which cola drink is diet and which cola drink has sugar in it just by looking in an ice chest?
  5. chem

    How much heat is required to heat 0.1 g of ice at −30 degrees C to steam at 100 degrees C
  6. chemistry

    Which of the following contains more thermal energy? A. Water at 100°C B. Ice at 0°C C. Water at 0°C D. Steam at 100°C I think d
  7. chemistry

    when water kept at zero degree celcius it become ice.similarly what happens when ethanol kept at zero degree celcius?
  8. science

    Is melting ice a physical or chemical change? I think it is a physical change. Am I correct?
  9. Art History

    I have to answer some questions about the artwork "Last supper" from the Rossano Gosepl but i need help cause i am really confused. 1) What message or meaning do you think this artwork conveys? 2) why is this artist an important one to know historically 3)
  10. teachers

    Why don't most teachers at public schools let us think for ourselves? it's insulting. I am in English 3 and my teacher does all our work for us. What should we do? Here is my advice. Either bite your lip, and remain quiet, or discuss it privately with the
  11. jasmine20

    I just wanted to say I have seen you getting better in math as time goes on. You take the ideas presented to you and do a really good job of figuring out how to apply them. Noticed your hard work and thought I'd give you a kudos. I notice other hard
  12. HHS255

    Can some give me web sites because I can not find any, thanks As digital technology continues to influence Health Care and Human Service in the future, what does this mean for those who work and will work in these fields? What will workers in these fields
  13. science

    Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is required to lift a 35-kg
  14. english

    I posted a question about the following: Details that show the impact of the problem (effects) on Jack, Ruth and the company Section 2 The steps needed to change the situation Reason to implement each step, including the benefits to your employees, your
  15. Math 6th grade

    1.A digital camera cost $229.the camera is on sale for 30% off and you have a coupon for an additional 15% off the original price.What is the final price 2.The original price of the water skis was $200.The water skis are now $150.What is the percent of
  16. Chemistry

    Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system, or no work is done at all ("on", "by" or "none")? Note that no "endo-on" cases appear here, as these are always
  17. Science

    A box that is initially at rest is pushed by a person at an angle 0 with a force F until it reaches a speed of v. The coefficient of kinetic friction between the box and the surface is U. Is this: work done by person equal to magnitude of friction F work
  18. Math!!

    You work in retail. In the past you inventoried and shelved the weekly UPS shipment in 2 hours. Your co-worker usually takes 3 hours to do the UPS shipment. How long will it take the two of you working together to finish this week’s UPS shipment? 1)What
  19. physics

    Five hockey pucks are sliding across frictionless ice. The drawing shows a top view of the pucks and the three forces that act on each one. The forces can have different magnitudes (F, 2F, or 3F), and can be applied at different points on the puck. Only
  20. physics

    1) A particle moves in the xy plane (see the from the origin to a point having coordinates x = 7m and y = 5m under the influence of a force given by F= 3yi^2 - 5xj. a) What is the work done on the particle by the force F if it moves along path 1? (ABD) J
  21. time and stress management

    if you have to many tasks to complete at work ,you should (a)take a deep breath and start at the top of the pile and work your way down as quickly as possible (b)complain to your boss that its an inreasonable amount of work (c)decide for yourself what is
  22. University

    Will I get a conditional offer to McMaster in the first round? The following is the admission for Commerce I to McMaster: "Grade 12 U/M course requirements: * English U * Advanced Functions 4U * One of: Calculus & Vectors 4U or Mathematics of Data
  23. Physics

    Early one October you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.27 m, then carry it 51.4 m (on level ground) to the check-out stand. How much work do you do on the pumpkin as you carry it from the
  24. Socials

    How did work camps and tariffs effect the Great Depression? What were the strength and weaknesses of these effects? workcamp- strength - men got to work weakness - ?? tariffs strength - protected Canada's profit weakness - slowed down trade
  25. Physics

    A ball on the end of a string travels in a horizontal circle at a constant speed. The circle has a circumference of 3 m, the ball has a speed of 2 m/s, and the centripetal force is 4 N. How much work is done on the ball each time it goes around? A) zero B)
  26. Physics

    Hello, I have a question and I would like to know if anyone can help me. Well I was reading about the motion of an ideal "yo-yo" and I found that mechanical energy is conserved, but there´s something that I don´t understand and it´s about the work
  27. Science(Magnets)

    Should be easy, this. The two south pole ends of two magnets are touching. Which of the following can be concluded? A. No work was required by an outside force. B. The magnets are naturally attracted to each other. C. Work was required by an outside force.
  28. PHYSICS

    1kg of fat is equal to 30MJ of energy.the efficiceny of converting fat to energy is 20%. suppose you life a mass of 12kg 2.0m vertically,500 times, how much work do you do? if all the energy used to do the work comes from the burning fat how much fat is
  29. economics

    What marginal costs does University of Phoenix incur in offering one more ECO/561 class? What marginal revenues does University of Phoenix earn from each additional ECO/561 class? How would you expect this marginal analysis to affect the volume of classes
  30. physical

    Problem 1 A goalkeeper kicks a ball of mass 400 g in the air, and reaches a position of height 15.9 m above the ground corresponding to a horizontal distance 19.7 m from its initial position. During its flight, the ball experiences a horizontal friction
  31. physical

    Problem 1 A goalkeeper kicks a ball of mass 400 g in the air, and reaches a position of height 15.9 m above the ground corresponding to a horizontal distance 19.7 m from its initial position. During its flight, the ball experiences a horizontal friction
  32. Business English

    In which of thefollowing sentences is therefusal iplied rather than directlystated? (a) "We are not hiring anyone at the moment, but thank you for your interest. (b) "You cannot work in the production area because you are under 18 years old." (c) Employees
  33. physics

    Find the work done when a 20 kg sled is pulled across level ground by a rope that makes a 50 deg angle with the horizontal. The sled moves 40 m and the rope is pulled with 10 N of force. If the work done by friction is 240 J, what will happen to the
  34. College Physics

    The driver of a 1600 kg car, initially traveling at 10.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m. (a) Find the net work done on the car. (b) Find the magnitude and direction of the force that does this work. (Assume this
  35. science

    Mr beck gigantic gas guzzling exhaust spewing urban assault vehicle suburban weighs 10000ponds it takes mr becck 2 minutes to drive 1.5 kilometers to west valley fitness so he can ride the stationary exercise bike for a half hour How much work and power
  36. writing sentences and paragraph

    Respected Sir/Madam, Myself Yogita Chadha Medical Healthcare Professional. I have Diploma in pharmacy and professional certificate in medical health care services. I have a handsome experience to serve in health care industry. I work almost one and half
  37. Chemistry - Science (Dr. Bob222)

    Nitrogen gas has values of Cv and Cp of 20.8 and 29.1 J K-1 mol-1, respectively. When a certain amount of nitrogen is heated at constant pressure, what fraction of the heat Q is used to increase the internal energy of the gas, and how is the remaining
  38. Social studies

    Please help!! Are any of my answers correct? 1, which reason best explains the motivation for American expansion? It would be important to maintain political influence in developing countries A US naval presence around the world would decrease the chance
  39. Geography

    I have to do a report on the Mediterranean. 20 people are going to be dropped there. They have to make their own homes with local materials. Please help me research on this. this report is due tom.! Use rocks and mud or burrow in hillsides. They are
  40. Business Math

    Lane French had a bad credit rating and went to a local cash center. He took out a 113 loan payable in three weeks at 137. What is the percent of interest paid on this Loan? Do not round denominator before dividing. (Use Calendar year, Round your answer to
  41. business Maths

    Lane French had a bad credit rating and went to a local cash center. He took out a $103 loan payable in five weeks at $123. What is the percent of interest paid on this loan? Do not round denominator before dividing. (Use calendar year. Round your answer
  42. business Maths

    Lane French had a bad credit rating and went to a local cash center. He took out a $103 loan payable in five weeks at $123. What is the percent of interest paid on this loan? Do not round denominator before dividing. (Use calendar year. Round your answer
  43. algebra

    A local bank lends $12,000 using a 150-day 9% simple interest note that was signed on May 18. The bank later sells the note at a discount of 14% on July 5. Find (a) the discount, (b) the proceeds, and (c) the amount of money the bank gains or loses.
  44. math

    A local gym charges nonmembers $10 per hour to use the tennis courts. Members pay a yearly fee of $300 and $4 per hour for using the tennis coutrs. Write an equation to find how many hours, h, you must use the tennis courts to justify becoming a member.
  45. Stats

    A company is criticized because only 14 of 41 executives at a local branch are women. The company explains that although this proportion is lower than it might​ wish, it's not a surprising value given that only 43​% of all its employees are women. The
  46. math

    Adrienne had a pizza party at a local arcade. She spent for pizza and per person for games. Let c be the total cost of pizza and games, and let p be the number of people at her party. Write an equation to represent the problem. Which is the dependent
  47. physics

    At the local grocery store, you push a 14.0-kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With a force of 12.0N, you now accelerate the cart from rest through a distance of 2.30m in 2.55s. What was the mass of the dog food?
  48. cjs/210

    Will someone please help me find a website to answer the following questions? What are the various functions of a police agency? Compare how the functions of a police agency differ at the federal, state, and local levels. What would happen if the various
  49. Math

    74. Four brands of soap are available in a local store. Compute the unit price and decide which brand is the best buy. Brand Ounces Total Price Unit Price Squeaky Clean 5.5 $0.36 Smell Fresh 7.5 0.41 Feel Nice 4.5 0.31 Look Bright 6.5 0.44
  50. MATH HELP

    Which of the following questions is a statistical question? What is the top-selling board game? In what aisle are the board games located in the local store? How many board games require a deck of cards to play? How many board games have you played in the
  51. algebra 1

    It certainly pays to check your work! I just took a huge science test. I checked it over twice before I turned it in, and I got an A! My score was 94 out of 100! I figure that each time I checked it, I found half of the mistakes that were there at a time.
  52. Calculus

    (i) A 20m chain with a mass-density of 3kg/m (coiled on the ground). How much work is performed lifting the chain so that it is fully extended (and one end touches the ground)? (ii) How much work is performed to lift 1/4 of the chain?
  53. Calculus

    (i) A 20m chain with a mass-density of 3kg/m (coiled on the ground). How much work is performed lifting the chain so that it is fully extended (and one end touches the ground)? (ii) How much work is performed to lift 1/4 of the chain?
  54. English 1

    In "A Cub Pilot" what does the author mean when he says the Mississippi is "fickle"? A- the river provides work for many pilots B- the river is only one of the many pilots that can work. C- the river often floods, endangering the people that live near it
  55. physic

    A force paralled to an inclined plane is used to raise a load of 500N through a height of 3M While the load moves a distance of 30M along the plane (a) How much work is done on the load ? (b)if the efficency is 80% calculate the effort (c)how much work is
  56. Business Writing

    Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe
  57. Math

    A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.18 for each minute of calls. Plan B costs $18 plus an additional $0.13 for each minute of calls. For what amount of calling for the two plans cost the same? What is the cost
  58. ACCT

    Part D - August Variance Analysis During September of the current year, the controller was asked to perform variance analyses for August. The January operating data provided the standard prices, rates, times, and quantities per case. There were 1,200 cases
  59. ACCOUNTING

    Part D - August Variance Analysis During September of the current year, the controller was asked to perform variance analyses for August. The January operating data provided the standard prices, rates, times, and quantities per case. There were 1,200 cases
  60. University Physics

    A rock is tossed straight up with an initial speed of 20 m/s. When it returns, it fall into a hole that is 8.0 m deep. What is the velocity of the rock (in m/s) when it hits the bottom of the hole? Use -9.80 m/s2 for the local acceleration due to gravity
  61. english

    Can I please, please get some websites that will show me the local government structure of dekalb county (atlanta, georgia), and, political issues concerning dekalb county. This is stuff I need for my paper, I've been searching google all day, but nothing
  62. algebra

    At local ball park team charges $4 for each ticket and expects to make $1100 in concessions. Teams must pay its players $1300 and pay all other workers $1200. Each fan gets a free bat that costs the team $3 per bat. How many tickets must be sold to break
  63. English

    1. He doesn't go to work every Sunday. 2. He doesn't go to work on Sundays. 3. He sometimes go to work on Sunday, and sometimes doesn't go to work on Sunday. 4. He doesn't go to work on any Sunday. [Does #1 mean #2? Are both the same? Does #1 mean #3 or
  64. Statistics

    John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of s = 5 minutes. For a randomly selected morning, what is the probability that John’s
  65. physics thermodynamics

    A gas expands from a volume of 2.00m^3 to 6.00m^3 and does 6912 joules of work against a constant outside pressure. Calculate this outside pressure in Pa. The answer is 1730 Pa, but I don't know how to get that. I honestly have no idea where to start or
  66. Statistics

    John drives to work each morning and the trip takes an average of m = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of s = 5 minutes. For a randomly selected morning, what is the probability that John's
  67. Conceptual Physics

    While driving down an icy road in his pickup truck, Dan slid off the road into a ditch. He and his two friends each exerted a force of 200 N on the truck for two minutes, but failed to move it. The work done by the three friends on the truck was? the
  68. art

    hi do you have any ideas for the following project: i need to pick any environment and document a message or issue about it in that exact environment, e.g. take a photo of my work in that place. i'm thinking about focusing on the issues of energy wastage
  69. statistics

    John drives to work each morning and the trip takes an average of  = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of  = 5 minutes. For a randomly selected morning, what is the probability that John's
  70. physics

    a mechanic uses a chain and bloc pulley to lift a 875-kg engine 4.0 m to the top of the garage. the downward force on the chain over the 4.0 m distance is 5.0 x 10^4 N. a)calculate the work done in raseing the motor b)how much useful work was done c)what
  71. Statistics

    John drives to work each morning and the trip takes an average of μ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of σ = 5 minutes. For a randomly selected morning, what is the probability that John’s
  72. statistics

    John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ó = 5 minutes. For a randomly selected morning, what is the probability that John’s
  73. math

    John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of σ = 5 minutes. For a randomly selected morning, what is the probability that John’s
  74. Physics

    Two identical ice skaters are holding onto opposite ends of a very long spring with a spring constant of 650 N/m. While spinning in a circle, the skaters frequency of revolution is measured to be 0.85 Hz. Calculate the mass of the skaters. m = 45.6 kg
  75. chemistry

    Classify either Physical or Chemical change: *water freezing forming ice _____ *frying an egg _____ *dissolution of sodium chloride in water ______ *combustion of gasoline _____
  76. Math

    A local Dunkin donuts makes blueberry muffins that cost $.69 each to make. Past experience shows that 15% of the muffins will spoil and have to be discarded. Assuming this donut shop wants a 30% markup based on cost and produces 200 muffins, each muffin
  77. Algebra

    Ms. Jones has two job offers as a car salesperson. At one dealership, she will receive $600 per month plus a commission of 2% of the total price of the automobiles she sells. At the other dealership, she will receive $1000 per month plus a commission of
  78. Language Arts

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Dragonwings. Provide an explanation for your choices. How did the role you selected and the work you
  79. english (grammar) HELP!!!

    Identify the sentcence that is not punctuated correctly. A. "Did she say 'no more tickets will be sold'?" Ben wondered. B. Lucy begged,"Just don't say, "Lets do lunch,"please!" C."Why did he call you 'bug' just then? Is that your nickname?" she asked. D.
  80. finance

    a $200 cash advance by using checks linked to to her credit card account.The bank charges a 2 % cash advance fee on the amount borrowed and offers no grace period on cah advances.Sidney paid the balance in full when the bill arrived.What was the cash
  81. work force

    a force of 10 pounds is required to stretch a spring of 4 inches beyond it's natural length. assuming hooke's law applies, how much work is done in stretching the spring from its natural length to 6 inches beyond its natural length. what i did so far:
  82. math

    A video streaming company offers two monthly plans. Plan A: $3 per video viewed, plus a flat rate of $8 per month Plan B: $5 per video viewed and no additional flat rate A. Write an inequality to determine when the cost of viewing n videos using Plan A is
  83. Liberal Arts Math

    show work simplify:(a-9b)(a+3c) (a-9b)(a+3c) a^2+3ca-9ba-9bc I'm pretty sure this is how you do it... plz check some standard formula to remember are; i: (a+b)^2=(a+b)(a+b)= a^2+2ab+b^2 ii: (a-b)^2=(a-b)(a-b)=a^2-2ab-b^2 iii: (a+b)(a-b)= a^2-b^2 look at
  84. English Language Arts

    Think about the work you completed in your reading role. Determine the ideas that would be most worthy to share in a literary discussion about Walk Two Moons. Provide an explanation for your choices. How did the role you selected and the work you completed
  85. Social Studies

    How did Reconstruction affect daily life in south Carolina? A. Carpetbaggers and scalawags had less of an influence on the state.**** B. Northerners and freedman had more opportunities in the state. C. African Americans families received 40 acres and a
  86. physics

    How much work does the electric field do in moving a proton from a point with a potential of +120 V to a point where it is -60 V? Express your answer in joules. I've looked through my notes, and I'm sure the answer is really easy, but I'm not seeing it. I
  87. physics

    a marble is dropped from the top of a skyscraper. Is the work done by earths gravitational force on the marble equal to, smaller than or larger them that done by the marbles gravitational force on earth? Why? newtons 3rd law: force on marble due to earths
  88. chemistry

    if change in E= -1500J what does that mean? the system gained heat the surroundings lost heat the system did work the surroundings did work more information is needed please help.
  89. English

    Thank you very much. I need you to check these sentences. 1) My father took a day off work (not a day off from work) to take me to the seaside. 2) They took 20% off (not "from") the list price. 3) He let the students off with an warning. He let off the
  90. math

    Jared is scheduled to work for mc008-1.jpg of an hour at the school fair. He has already worked mc008-2.jpg of an hour. How much longer does he have to work?
  91. Math

    Consider the arithmetic series 7 + 19 + 31 + 43 + 55 + pr004-1.jpg. a) How many terms are less than 1000? (3 marks - show your work) b) How many terms are less than 2000? (3 marks - show your work)
  92. thermal heat

    Consider the following. (a) Find the work done by an ideal gas as it expands from point A to point B along the path shown in the figure. MJ (b) How much work is done by the gas if it compressed from B to A along the same path? MJ
  93. physics

    If the hockey puck lies on the ice and is struck by a hockey stick with a force of 2.60e+03 N, what is the acceleration of the hockey puck
  94. physics

    A 705 N man stands in the middle of a frozen pond of radius 4.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the
  95. chemistry

    Which of the following would have a positive change in standard entropy at constant temperature? Choose all that apply. A) Burning octane to form carbon dioxide gas and water vapor B) Freezing titanium C) The endothermic dissolving of ammonium nitrate
  96. Physics..help please

    A 715 N man stands in the middle of a frozen pond of radius 10.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward
  97. Physics

    A 750 N student stands in the middle of a frozen pond having a radius of 5.4 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.0 kg physics textbook
  98. physics

    A 770 N man stands in the middle of a frozen pond of radius 9.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.2 kg physics textbook horizontally toward the
  99. physics

    A 748 N student stands in the middle of a frozen pond having a radius of 5.3 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.1 kg physics textbook
  100. physics

    A 740 N student stands in the middle of a frozen pond having a radius of 4.8 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 2.8 kg physics textbook