Questions Asked on
April 25, 2015

  1. Economics

    17. The current price for a good is $20, and 100 units are demanded at that price. The price elasticity of demand for the good is -1. When the price of the good drops by 10% to $18, consumer surplus: Increases or decreases by $__?

    asked by Anonymous
  2. calculus

    A water tank has the shape of an inverted right circular cone with base radius 3 meters and height 6 meters. Water is being pumped into the tank at the rate of 12 meters3/sec. Find the rate, in meters/sec, at which the water level is rising when the water

    asked by ana
  3. trigonometry pls help

    12. Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 36 feet long. The function models the height of the triangular garden. a. What is the height of the triangle when theta=45 degree? b. What is the height of the

    asked by allexelle
  4. Math

    What is the 1st quartile of the following data set? 2745,257,301,218,265242,201 a-201 b-218 c-257 d-270 my answer would be 28 because 201 would be the minimum.

    asked by Steve
  5. math

    The data in the table are linear. Use the table to find the slope. X| 2| 4| 6| 8 Y| 1|-2|-5|-8 A. 3/2 B. -3/2 C. -2/3 D. 2/3 Please help me work this out I don't know how to do this kind of stuff. Thank you in advance.

    asked by blue
  6. english

    I'm writing a speech about a mythical character/legendary hero that i admire what are the reasons why i admire him or her that i could write about? thanks in advance.

    asked by ms.sue help
  7. Microecon

    Juan mows lawns in his neighborhood for extra money. Suppose the demand for lawn mowing in Joe’s neighborhood is: QD = 48 – 2P and that the supply of lawn mowing (Juan’s willingness to mow lawns) is: Qs = -12 + P. The market-clearing price of lawn

    asked by Joe
  8. Economics

    Elesha babysits on the weekends for extra money. Suppose that three neighbors with children are interested in paying Elesha to babysit their children. In particular, Dr. and Mrs. Brown would be willing to pay $30 to have Elesha babysit their children, Mrs.

    asked by Cole
  9. Chemistry 2

    For the gaseous reaction of carbon monoxide and chlorine to form phosgene, (COCl2), calculate each of the following. (a) Calculate S° at 298 K I got -136.76 J/K using delta S = sum of delta S of products minus sum of delta S of reactants which is the

    asked by Anonymous
  10. introduction to computer applications

    how is a simulation different from a learning game?

    asked by tray
  11. trigonometry pls help

    Howard is flying a kite and wants to find its angle of elevation. The string on the kite is 32 meters long and the kite is level with the top of a building that he knows is 28 meters high. To the nearest tenth of a degree, find the angle of elevation. Show

    asked by allexelle
  12. trigonometry pls help

    Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 36 feet long. The function y=18 tan theta models the height of the triangular garden. a. What is the height of the triangle when theta=45 degree? b. What is the

    asked by allexelle
  13. Masinde university

    Compare the lattice energy of BaCl2 and CsCl

    asked by Jay cole
  14. Civics

    10. Which of these statements about the Cuban Missile Crisis is true? A. President Kennedy removed nuclear missiles from Turkey to resolve the crisis. B. Fidel Castro's government had manufactured guided missiles. C. President Kennedy called Nikita

    asked by Sarah
  15. Calculus

    A particle moves along the curve y = 3x2 + 1 in such a way that the y value is increasing at the rate of 3 units per second. At what rate is x changing when x = 2?

    asked by emma
  16. PHYSICS answer check

    A group of 4 rail cars with a total mass of 50,000kg moves at 3m/s at a stationary locomotives that has a mass of 10,000kg. What is the speed of the whole train after the cars connect with the locomotive? F=ma 50,000kg*3m/s= 150,000kg m/s 150,000kg m/s

    asked by MJW
  17. government LSN

    how do politicians and interest groups use the media to persuade Americans

    asked by anonymous
  18. government

    most important item a candidate needs to wage a succesful campaign

    asked by Reina Bonilla
  19. Spanish 3 Homework.

    El pronombre que se usa en lugar de "Aquel gato es bonito" es: aquél es bonito. True or false? ***true El pronombre que se usa en lugar de "Ese cantante es muy popular" es: Ése cantante es muy popular. True or false? ***true Am I correct? Thanks!!

    asked by Nadia
  20. Math

    You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium. What type of

    asked by Steve
  21. Physics

    A car drives at a speed of 28m/s along a road parallel to a railroad track. A train traveling at 15m/s sounds a horn that vibrates at 300 Hz. If the train and car are moving toward each other, what frequency of sound is heard by a person in the car? If the

    asked by Anonymous
  22. PHYSICS answer check

    a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. a)What is the speed of the bullet as it leaves the gun? b)If the gun is fired straight up, how high will the bullet go? a)200J b)m*g*h= (0.02kg)(10m/s^2)=200J h=100m

    asked by MJW
  23. physical

    A solid of R.D. 4.2, is found to weigh 0.200kgf in air Find its apparent weight in water

    asked by Mahendra Nath Pandey
  24. Math

    1. cos theta = 0.2 for 270 degrees

    asked by Anonymous
  25. Civics

    1. A basic position in American foreign policy has been that America must defend its foreign interests related to trade and security. The main foreign policy position opposed to this American policy is called A. imperialism. B. militarism. C. isolationism.

    asked by Sarah
  26. Science

    How much force is exerted to lift 750 kg of water in the well against the force of gravity? How much work is done to lift this water .05m? How does this compart to the work done byt he man in the treadmill?

    asked by Megan
  27. PHYSICS answer check

    A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance mass=0.025kg speed=80m/s avg force 2N

    asked by MJW
  28. Public Speaking

    The speaker is the ____________ of the message. A. decoder B. encoder C. transmitter D. channel It's not C

    asked by Jackie
  29. Physics

    The temperature of a 1 m long aluminum rod is 20° C. If the temperature is increased to 70° C, what is the length of the rod? The coefficient of linear expansion for aluminum is 16 * 10^-6 /(degrees)C Please help I can not get this.

    asked by Anonymous
  30. physics

    A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x =5sin πt + π 3( ). The velocity of the body at t = 1.0 s is (-8 m sec )

    asked by chris
  31. Math

    Solve each equation for 0

    asked by Miu Lily
  32. CHEMISTRY

    question 1.Explain why fructose and alpha-hydroxyketose reacts with benediict’s solution. what structural arrangement is necessary for the reaction to occur? question 2. When aldose react with Barfoed reagent what type of organic compound forms. What

    asked by SHALOM
  33. PHYSICS ANSWER CHECK

    A car can brake to a stop from 60mph in 2.6 seconds. If the car has a weight of 3225 lbs, what force in Newton's acts on the car. F=ma, vt=v0+at, a=(vt-v0)/t=(0-60mph)/2.6s=-23.1m/s^2 3225 lbs=1462.84 kg thus F=1462.84kg*(-23.1m/s^2)=-63.3N

    asked by MJW
  34. statistics

    IQ scores distribution of IQ scores is not normally distributed standard with a mean of 100 and a standard deviation of 15, which is represented by a bell-shaped graphical. What is the area under the curve? What is the median? What is the mode?

    asked by norma
  35. statistics

    IQ scores distribution of IQ scores is normally distributed standard with a mean of 100 and a standard deviation of 15, which is represented by a bell-shaped graphical. What is the area under the curve? What is the median? What is the mode?

    asked by norma
  36. physics

    The figure above shows a chain being held on a table with one quarter of its length hanging over the edge. Friction is negligible. The chain has length L = 24 cm and mass m = 0.012 kg. Calculate how much work is required to pull the hanging section back

    asked by john
  37. business

    A group of shoe manufacturers in the United State, Japan, Germany, and England have pooled resources to gain a larger market. What is this arrangement called?

    asked by kia
  38. phy113

    Mass of gas is 300 gm and its specific heat at constant volume is 750 J/kg K. if gas is heated through 75°C at constant pressure of 105 N/{m^2}, it expands by volume

    asked by onas
  39. math

    The length of a rectangular piece of cardboard is three more than twice the width. A square 2 cm on a side is cut out of each corner. The sides are folded up to form an open box. if the volume of the box is 120cm^3, what were the original dimensions of the

    asked by Cat
  40. Math

    in order to find out what the best restaurant is in town you call 25 of your friends at random. what type of survey is this? a- biased b-random c-systematic d-stratified my answer is biased because you may pick at random but they are all still your

    asked by Steve
  41. STATISTICS

    IQ scores distribution of IQ scores is normally distributed standard with a mean of 100 and a standard deviation of 15, which is represented by a bell-shaped graphical. What is the area under the curve? What is the median? What is the mode?

    asked by norma
  42. Public Speaking

    President Obama addressing the recent graduates in a commencement exercise is an example of __________ communication. A. group B. mass C. interpersonal D. public It's not A

    asked by Jackie
  43. Public Speaking

    Interpreting during the listening process is the same as: A. encoding. B. receiving. C. decoding. D. responding. It's not C

    asked by Jackie
  44. math

    The Sugar Sweet Company will choose from two companies to transport its sugar to market. The first company charges $ 4696 to rent trucks plus an additional fee of $ 225.50 for each ton of sugar. The second company charges $ 5500 to rent trucks plus an

    asked by Bobby
  45. education

    Just want to know what these questions are asking for. thanks What view do you have of the children's skills and competencies? In what ways do you need to transform your view of children to see them in a more positive light? what skills do you want to

    asked by Lily
  46. Statistics

    If a pair of dice (one red; the other blue) are rolled, Find the probability of landing on a sum of 9

    asked by Kalee
  47. Science-Physics

    From what height was a brick dropped if it hit the ground with a speed of 4.3 m/s?

    asked by Desirae
  48. Physics

    A sports car with a very powerful engine driving on a surface with a coefficient of static friction µs = 0.8 wants to accelerate from a stop to 100 km/hr. (You may neglect air resistance.) a) What is the fastest that the car can accomplish this? b) How

    asked by ji
  49. physics

    Which of the following is the correct unit of k in the equation of a damped harmonic oscillator given as , where b is the damping factor and all the symbols have their usual meaning? 2 If s is distance and t is time, what must be the dimensions of a and b

    asked by Cali franco
  50. Physics

    In an empty rubber raft the pressure is approximately constant. You push on a large air pump that pushes 1.0 L(1.0× 10^−3m3) of air into the raft. You exert a 17N force while pushing the pump handle 3.0×10^−2m . Determine the work done on the gas. If

    asked by Anonymous
  51. physics133

    1 The principle of conservation of heat energy states that that when an object is at constant temperature or is in thermal equilibrium, it is losing and gaining heat at equal rates. the heat lost by a hot body is equal to the heat gained by the cold body

    asked by Cali franco
  52. government LSN

    what is the difference between urban sprawl and smart growth??

    asked by anonymous
  53. social studies

    What are some examples when world history gives you the understanding of the world and how societies have impact on each other.

    asked by Angelina
  54. Math

    Determine the simple interest p=6742.75,6.05%, t=90 days

    asked by Melanie
  55. Calculus

    Given f(x)=x^2-27x-28, find the largest integer in shich f is decreasing.

    asked by Anonymous
  56. Math

    The plane P1 has equation r = (2,1,1)+lambda(-2,1,8)+mu(1,-3,-9) The plane P2 has equation r = (2,0,1)+s(1,2,1)+t(1,1,1) Show that for points that lie on P1 and P2, lambda=mu I have no idea how to start... help! Thanks!

    asked by jay
  57. Public Speaking

    Transmission of messages in a communication is: A. a one-way street. B. a two-way street. C. only through a medium. D. any which way. It's not A

    asked by Jackie
  58. physics

    a mass of 9.6 kg is moving horizontally as a force of 2.3 N , directed at 21° below the horizontal , is exerted on it , when the speed is 7.9 m/s, what is the rate at which the force is doing work

    asked by riham
  59. Physics

    A 4 kg block is placed on an incline at an angle of 30 degrees. If the coefficient of static friction is 0.3 and the coefficient of kinetic friction is 0.2 what is the net force on the block?

    asked by Carolyn
  60. Pre-Calculus

    Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used? I multiplied 3 and 2 and got 6 hours. Is this a valid method? Thanks

    asked by Lucina
  61. Calculus 2

    Use the Comparison Test to determine whether the series is convergent or divergent. On top of the summation sign (∑) is infinity. Under the summation sign is n=1, and right next to it (to the right of ∑ sign) is cos^2n/n^2. How would I compare them and

    asked by Sena
  62. Physics Capacitance

    Three uncharged capacitors, X, Y, Z, each with capacitance of 12uF each are connected A---------[X]------[Y/Z]-----------B *Y&Z is parallel to each other* A potential difference of 9.0V is applied between points A and B. Explain why when the potential

    asked by Ariana
  63. algebra

    √6(5-√6)+2√6 simplify the expression

    asked by Monica
  64. geometry

    I sent question about rt triangle, ABC, needing to find a & b. altitude was 4, base a and hypotenuse b. You mentioned knowing another angle. There is one < A is 45 degrees. Thanks for all your help. Math is not an easy subject for me.

    asked by robin
  65. Chemistry

    Need some direction.. where do I start? Vinegar is a 5% (mass/mass) solution of acetic acid in water. If vinegar has a density of 1.06 g/mL, what is the concentration in molar?

    asked by Mike
  66. government

    what do candidates do in an electoral campaign

    asked by anonymous
  67. math

    Can someone please explain this problem Find the general solution to the linear system of differential equations. x'1 x'2 x'3 = −4 −4 5 0 −4 4 0 4 2 x1 x2 x3

    asked by Anonymous
  68. math

    Solve each equation for 0

    asked by Miu
  69. Precalcus

    Suppose that 10 grams of carbon ( 14C )is released in a nuclear energy plant accident. How long will it take for the 10 gramto decay to 1 gram?

    asked by Keem Graham
  70. chem

    Please explain: 1) if MnO2 when in a fast reaction with H2O2 appear in balanced equation and 2)purpose of manganese dioxide. Thanks

    asked by bell
  71. analytical chemistry

    Consider a general reaction where a ligand L and a metal ion Mn+ form a complex with m number of ligands (L) coordinated to each metal ions. Assume the metal is colorless. The ligand and metal solutions were mixed at molar fractions (and same total molar

    asked by Katy
  72. math

    Solve each equation for 0

    asked by Gina
  73. phyiscs

    Consider a hypothetical situation, where your friend suggests leaving the refrigerator door open to help cool the house on a hot summer day. Discuss what will happen to the temperature of the room. Will it decrease, increase, or stay the same and why

    asked by Anonymous
  74. POL

    In federalism, the national government (Points : 1) is subordinate to the states. shares power and authority with the states. can force the states to do what it wants. can choose the states’ governing officials.

    asked by Kiara
  75. English?

    I Am Green I Sip Tea What Am I Can someone answer this riddle it has 6 letters, 2 words --- ---

    asked by thi
  76. physics

    a car moving with an initial velocity of 24m/s comes to a hault in 6s .calulate the distance travelled by the car as it comes to rest

    asked by aayushi
  77. Econ

    I think it is A & C, but am not sure.. In a perfectly competitive market in which no market failure occurs and no government policy interferes with the equilibrium price and quantity: a. deadweight loss is zero b. the sum of producer and consumer surplus

    asked by Joe
  78. Calculus

    A circle has a radius lf 10/(pi-1) which is the same value as the side of a square. Both the radius of the circle and the side of the square are gowing at 1 in/sec. Find the difference between the rates of change of their area in in/sec.

    asked by Sarah
  79. algebra

    use each number once to form three proportions. 1,2,10,4,12,20 15,5,16,6,8,3

    asked by emmalee
  80. math geography and business studies

    what can i study in university

    asked by tapiwa
  81. maths

    Natalie bought 2 bags and 3 times as many pouches. She spent a total of $368. Each bah cost $24 more than a pouch. How much did 1 pouch cost?

    asked by kayla
  82. math

    The ratio of number of $5 notes to the number of $10 notes that Ryan has was 4:3. After Ryan spent $140 worth of 5$ notes and 2/5 of $10 notes, the ratio became 2:3. What was the value of the $5 notes Ryan had at first?

    asked by valaen
  83. government

    unemployment rate is a measure of

    asked by reina bonilla
  84. latin culture

    pilsen is a large hispanic community in chicago whose residents are mostly mexican american. true or false

    asked by Meredith Grey
  85. maths

    Natalie bought 2 bags and 3 times as many pouches. She spent a total of $568. Each bag cost $24 more than a pouch. How much did 1 pouch cost?

    asked by valaen
  86. history

    who is obama's father

    asked by ilham
  87. Calculus 2

    Determine whether the p-series is convergent or divergent. On top of the summation sign (∑) is infinity. Under the summation sign is n=1, and right next to it (to the right of ∑ sign) is 3/n^e. I was wondering how would you start the problem from start

    asked by Sena