Questions Asked on
April 15, 2013

  1. English

    1. Which of the following would not be a good strategy for delivering a speech? Make sure your presentation equipment is running properly. *Start talking over the audience to quiet them down. Use correct grammar and well-formed sentences. Look directly at

    asked by Cassie
  2. chemistry (electrochemistry)

    1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each

    asked by Andrew
  3. Math-Steve

    8. A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. a. C(g) = -2.19 g b. g = 2.19C(g) c. C(g) = g + 2.19 d. C(g) = 2.19g I think its C.

    asked by Jman
  4. ap chemistry

    Rank the compounds CH3OH CH3CH2OH CH3CH2CH2OH in terms of increasing evaporation rate. 1. CH3CH2CH2OH < CH3OH < CH3CH2OH 2. CH3OH < CH3CH2CH2OH < CH3CH2OH 3. CH3OH < CH3CH2OH < CH3CH2CH2OH 4. CH3CH2OH < CH3CH2CH2OH < CH3OH 5. CH3CH2CH2OH < CH3CH2OH < CH3OH

    asked by cheri
  5. chemistry

    A current of 3.78 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?

    asked by Andrew
  6. chemistry

    net ionic equations for Ca(NO3)2 +NaPO4

    asked by chris
  7. Science

    Some herbicides, such as 2, 4-D are believed to make plant cells divide more rapidly than normal. Why would this kill plants? Why might this be dangerous to humans if it had the same effect on human cells?

    asked by Josh
  8. physics

    A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 39.6 m. Neglect friction and air resistance. What must be the height

    asked by Anonymous
  9. Alg 1

    What are the approximate solutions of 2x^2 -x + 10 = 0 In working this, I came up with a negative (-79) under the radical sign. Can I take the sq rt of a negative? my choices are: -2, 2.5 -1.97, 2.47 -2.5, 2 No solution I think it is no solution. Is this

    asked by Jane
  10. Math

    Rob colored 1/4 of a rectangle. What is another way to name 1/4?

    asked by Quan
  11. math

    how to do pre algebra pizzazz page e 28

    asked by drew
  12. Calculus

    The Ehrenberg equation gives the relationship between the weight W (in kilograms) and the height h (in meters) of a child between the ages of 5 and 13 years old. a. Research to find the Ehrenberg equation. b. Find the relationship of a child of the height

    asked by Deen
  13. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous
  14. Chemistry

    only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction that occurs. NaCl (aq) + BaCl2 (aq) --> Na2SO4 (aq) + BaCl2 (aq) --> NO3^- (aq) + OH^- (aq)+ Al (s) --> CO3^2- (aq) + OH^- (aq)

    asked by Melanie
  15. Maths

    A bag contains 10 red marbles, 10 green marbles, 10 yellow marbles and 10 blue marbles. You reach into the bag and grab a marble, then reach into the bag and grab a second marble. The probability that the second marble is the same color as the first marble

    asked by Ian
  16. Math

    the ratio of circumference of a circle to its diameter is 22:7. what is the circumference of a curcle of the diameter 15.6m?

    asked by Silvanus
  17. math

    An apple orchard has an average yield of 36 bushels of apples per tree if tree density is 26 trees per acre. For each unit increase in tree density, the yield decreases by 2 bushels per tree. How many trees per acre should be planted to maximize the yield?

    asked by Brandi1234
  18. Physics

    36.​A 50.0-kg block and 100-kg block are connected by a string. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 50-kg block and incline is 0.250. Determine the change in the kinetic energy of the 50-kg

    asked by Noor
  19. math

    The figure below depicts a racetrack with ends that are semicircular. The length of the track is 880 ft (1/6 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers

    asked by Brandi1234
  20. Chemistry

    Give the equation for the base hydrolysis of methyl benzoate by KOH. What are the 2 types of molecules being formed in this reaction?

    asked by Ashley
  21. chemistry

    What is the balanced formula for Solid iron 3 oxide reacts with hydrogen gas to form solid iron and liquid water?

    asked by sarai
  22. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous
  23. Physics

    When a man, who weighs 650 N, stands on a particular trampoline, its springy surface shifts downward 0.1 m. If he bounces on it so that its surface shifts downward 0.28 m, how hard is it pushing up on him?

    asked by
  24. Geometry

    The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a

    asked by Stacey
  25. Physics

    An electric space heater draws 15.5 A from a 120 V source. It is operated, on the average, for 4.0 h each day. (b) How much energy in kWh does in consume in 30 days? (c) At 11 per kWh, how much does it cost to operate the heater for 30 days?

    asked by Billy
  26. Trig

    Solve the multiple-angle equation. (Enter your answers as a comma-separated list. Let n be any integer. Enter your response in radians.) sec 9x = 2

    asked by Ashley
  27. physics

    A 2.4-kg cart is rolling along a frictionless, horizontal track towards a 1.3-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain

    asked by Anonymous
  28. Math

    A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. You will randomly select two marbles without replacement. -Fill in the probabilities on each branch of the tree diagram. Use the boxes with the fraction bars already provided. -Use

    asked by Annie
  29. chemistry

    What is the vapor pressure at 23 ¢ªC of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor pressure of pure benzene at 23 ¢ªC is 86.0 mmHg; the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure

    asked by george
  30. Chemistry

    The number of moles of KMnO4 required to react with 5 moles of H2O2 in acidic medium is ?

    asked by Clandestine
  31. Chemistry

    A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?

    asked by Lidia
  32. Alg 1

    The quadratic formula and the discriminat. The daily production of a company is modeled by the function p=-w^2 + 75w - 1200. The daily production, p, is dependent on the number of workers w, present. If the break-even point is when p=0, what are the least

    asked by Jane
  33. Chemistry

    calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 3.36 kg of H2O from its solid form at -10.0°C to its liquid form at 80.0°C

    asked by Jeff
  34. Chemistry

    If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)

    asked by Faith. (pls Help
  35. Mathematics

    the perimeter of a rectangular field is 140m. If the length is increased by 15m and the breadth is decreased by 5m, the length will become 3 time the breadth. find the length and breadth of the field.

    asked by Toni
  36. english

    1. hero:_____::actor:actress 2. police officer:______::conductor:orchestra

    asked by Hayden
  37. k

    Two wires parallel to each other and separated by a distance d carry different currents; they exert a force with magnitude F on each other. (a) The wires carry current in opposite directions. If the current carried by both wires is divided by five and the

    asked by physics
  38. Geometry Part 2

    A forest ranger spots a fire from a 28- foot tower.The angle of depression from the tower to the fire is 11.To the nearest foot,how far is the fire from the base of the tower?Show the steps you use to find the solution.

    asked by Karen
  39. U.S/history AP

    he War of 1812- also called the second The war of American Independence or by its opponents the derisive 1 (----) . U.S.declared war on Britain because they did not recognize our neutrality and interfered with our freedom of the 2(-----)shipping My answers

    asked by joy
  40. Marketing, Business

    Southern Alliance Company needs to raise $25 million to start a new project and will raise the money by selling new bonds. The company will generate no internal equity for the foreseeable future. The company has a target capital structure of 55 percent

    asked by Managerial Finance
  41. Physics

    A 50g tennis ball is thrown with a velocity of 12 m/s. It strikes a wall and rebounds with a velocity of 10 m/s. a) What is the ball's initial and final momentum? b) what is the impulse on the ball? c) Thje ball is in contact with the wall for .10 second.

    asked by Jack
  42. stoiciometry (chemistry)

    calculate the theoretical yield of Cu when 53.2g Cu2S react with oxygen. (balanced equation is CU2S+02>2Cu+S02) Please help me figure this homework out. I just dnt get how to get the theoretical yeild. I want to know to be able to do the rest right. Thanks

    asked by lila
  43. calculus

    A man 2m tall walks away from a lamppot at 1m/s. If te lampatop the post is 5m above the ground, how fast is te tip of is sadow moving? How fast is the length of his shadow changing?

    asked by y
  44. ap chemistry

    What amount of energy is required to com- pletely ionize 26.9 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J

    asked by cheri
  45. Chemistry

    Calculate the pH at the equivalence point when 50 mL of 0.098 M propionic acid is titrated with 0.340 M NaOH. I tried solving for the volume of NaOH and them using the total volume and then plugging it in to [H+][A-]/[HA] and used the Ka value for

    asked by Maddie
  46. Poetry

    "New World" by N. Scott Momaday. What might the three times of day represent?

    asked by Anonymous
  47. physics

    A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 74 kg, and the height of the water slide is 12.6 m. If the kinetic frictional force does

    asked by Anonymous
  48. Physics

    When you put water in a kitchen blender, it begins to travel in a 6-cm-radius circle at a speed of 2 m/s. How hard must the sides of the blender push inward on 0.004 kg of the spinning water?

    asked by
  49. geometry

    A cone has a circular base, a perpendicular height equal to 21cm, and a semi-vertical angle of 30degrees. Calculate the slant height of the cone. Find the area of its base.(take pie to be 22/7)

    asked by Londie munyai
  50. chemistry

    An activation energy of 2.0 eV is required to form a vacancy in a metal. At 800¡èC there is one vacancy for every 10^-4 atoms. At what temperature will there be one vacancy for every 1000 atoms?

    asked by ali
  51. Physics

    A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 9.81 m/s2 (the acceleration due to gravity near the earth's

    asked by
  52. Programming in c++

    Draw a flow-chart and Write a program that asks the user to enter students grades. The program should stop reading when the use enters ‘*’. In addition, your program should print the number of students got each grade. The grades can be A, B, C, D, and

    asked by alhan
  53. chemistry

    What is the molality of a solution which contains 20.0 g of cane sugar, C12H22O11 dissolved in125g of water?

    asked by george
  54. Geometry Part 2

    Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimetres.The vase had a height of 50 centimetres .Find the radius of the vase.Explain your method you would use to find the radius .

    asked by Karen
  55. Chem 103

    a piece of gold is heated to 100 degrees celsius. A piece of copper is chilled in an ice bath to 0 degrees celsius. Both pieces of metal are placed in a beaker containing 150 g of water at 20 degrees celcius. Will the temperature of the water be greater

    asked by Anonymous
  56. physics

    A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 19.0° above the horizontal. The semi-trailer coasts to a stop after traveling 170 m along the

    asked by Anonymous
  57. math

    what is 63% rounded to the nearest whole percent.

    asked by meka
  58. statistics

    A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the population standard

    asked by Cam
  59. physics

    A wagon is being pushed by a small child along a sidewalk. If the wagon has a mass of 8kg, a coefficient of friction of 0.3 and is accelerating at 0.2m/s what force is the child applying

    asked by Rosie
  60. Enlglish

    Scheherazade, supposedly the author of 1001 Arabian Nights, avoided execution by entertaining her husband, a king, each night with a new story. If he liked her tale, the legend goes, she was allowed to live for another day.Is this sentece correct... if not

    asked by Tianna
  61. us history

    Why did Johnson request the Tonkin Gulf Resolution

    asked by Bri
  62. Chemistry

    a 20.0ml sample of HCL solution is placed in a flask with a few drops of indicator. If 30.0ml of a 0.240 M NaOH solution is needed to reach the endpoint, what is the molarity of the HCL solution?

    asked by Ashleigh
  63. Macroeconomics

    Graph the following aggregate supply and demand curves (be sure to draw to scale). Real GDP (in $ trillions) Price Level Supplied Demanded Increase / Decrease 100 4 16 110 10 15 140 14 12 200 15 6

    asked by Richard
  64. Calculus 1A

    I am so confused! The problem is: Verify the given linear approximation at a=0. Then determine the values of x for which the linear approximation in accurate to within 0.1. LN(1+x) ≈ x I found f(0) = 0 and f'(0) = 1 I have an equation: LN (1+x) -(.1) < x

    asked by Mary
  65. physics

    A projectile of mass 0.817 kg is shot straight up with an initial speed of 25.5 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 9.14 m, determine the magnitude of the average force due

    asked by Anonymous
  66. Physics

    Vector A is described as having magnitude -7 and angle 30degress. Which is an equivaent statement of magnitude and angle of vector A? (Note: All angles are measured counterclockwise from x-axis.)

    asked by Eaden
  67. Physics

    A pinball machine has a spring with spring constant of 125N/m. A 65g ball is placed on the spring and the spring is compressed 5cm. How far along the playing surface makes a 15 degrees angle with the horizontal? ignore friction. How to do this using

    asked by Sash
  68. ap chemistry

    Use the Clausius-Clapeyron equation to cal- culate the temperature at which pure water would boil at a pressure of 434 torr. The heat of vaporization of water is 41276 J/mol at 100C. Answer in units of C

    asked by cheri
  69. physics

    For non-conservative forces, the work done does depend upon the path taken. True or False?

    asked by kelsi
  70. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly
  71. Math

    if the last digit of a weight measurement is equally likely to be any of the digits 0 through to 9.what is the probability that the last digit is greater than or equal to 5 ?

    asked by kayla
  72. MAths

    Consider a digital clock. The first time after midnight when the three digits are all prime numbers is 2:22 am. What is the last time before 10:00 am, when the three digits on the clock are all prime numbers? Details and assumptions If you determine that

    asked by Ian
  73. Algebra 2...

    Each of the points on the graph represents the position of a rider on The Screamer. Draw a diagram of each rider's position on a unit circle and describe where the rider is. **********This is problem 8-38 from CPM. i need help...

    asked by Anonymous
  74. English

    1. This time only the members of Group One can answer the questions. 2. This time only the memvers in Group One can answer the questions. (Which preposition should I use? Can we use both prepositions? Which one is commonly used?) 3. Group One members only

    asked by rfvv
  75. Mathematics

    using the compound interest formula find the principal that will yield a compound interest of n$410 in 2 years at therate of 5 % per annum

    asked by Toni
  76. chemistry

    how does an increase in pressure affect the following reaction? C2H2(g)+H2(g) C2H4(g)

    asked by Anonymous
  77. Chemistry

    If the molecule triglyceride underwent base hydrolysis, what 4 products would you obtain? Give the condensed formulas.

    asked by Ashley
  78. CALCULUS

    A cat walking down the street at a speed of 1 1m/s passes 2 m from a post on which there is a lamp 6 m above the ground. How fast is the distance between the cat and the lamp increasing 3 s later?

    asked by rim
  79. Grammar

    Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from

    asked by Anonymous
  80. chemistry

    Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.6 mg of vasopressinin 100.0 mL of solution has an osmotic pressure at 25 ¢ªC

    asked by george
  81. chemistry

    A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)

    asked by george
  82. chemistry

    A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)

    asked by george
  83. Business Finance

    Fjord Luxury Liners has preferred shares outstanding that pay an annual dividend equal to $6 per year. If the current price of Fjord preferred shares is $181, what is the after-tax cost of preferred stock for Fjord? (Round intermediate calculations to 4

    asked by elh009
  84. Name

    I have a project, and I'm doing an italian restaurant. I have to pick a name for my restaurant. I was thinking of calling it Little Italy, but isnt there a restaurant with that name?

    asked by Celest
  85. ap chemistry

    Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 29C? The normal boiling point of benzene is 80.0C and its

    asked by Anonymous
  86. ap chemistry

    Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 29C? The normal boiling point of benzene is 80.0C and its

    asked by cheri
  87. Chem

    If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)

    asked by Faith. (pls Help
  88. science

    Electrical current generally increases as voltage increases. true false I think it is False..?

    asked by Cassie
  89. U.S/history AP

    ----------revivalist of the great Awakening.Younger,less prosperous,wanted predestination,no denominations,believed man was sinful and in a return to old religious ways. my answer Deism

    asked by joy
  90. Life orientation

    Idemtify 3 enviromental health hazards that causes ill health,accidents,crises and disaster within a community in South Africa and globally.include evidence that is current of the identified issues

    asked by Gift
  91. statistics

    It takes approximately 15 minutes to code one record. How many personnel hours would be needed to code 1,424 discharges for the month?

    asked by dee
  92. English

    1. There are five pictures on the pages. Look at the picture on the left page in the middle.....Let's go clockwise. What are they doing? They are playing music together. 2. Let's go around clockwise. 3. Let's go round clockwise. (There happened an error in

    asked by rfvv
  93. physics

    An object with a charge of +6.0 µC is 0.30 m from a second object and experiences an attractive force of 1.80 N. What is the magnitude of the charge on the second object? (µC = 1.0 × 10-6 C) (Answer: -3.0 µC) The answer is provided but I don't know how

    asked by traevon
  94. algebra 1

    Simplify using long division(please show work so I understand) 1.Divide (72-8x^2+4x^3-36x)by (x-3) 2.Divide (8b^3-6) by (2b-1)

    asked by Jan
  95. chemistry quick homework help

    A gas occupies 359 mL at 501.4 Torr and 24.1 °C. When the pressure is changed to 441.8 Torr, what temperature is needed to maintain the same volume?

    asked by will.i.am
  96. pre- algebra

    what is the simplest form ? 50x to the 4th over 12x

    asked by jackson
  97. science

    Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure. Show all your work.

    asked by bob
  98. Algebra 1

    Give an example of an equation and its solution.

    asked by Montereus
  99. Chemistry

    In the reaction, K2Cr2O7 +14 HCl ----> 2KCl + 2CrCl3 + 3Cl2 + 7H2O how many moles of HCl act as reducing agent in balanced chemical equation?

    asked by Clandestine
  100. U.S/history AP

    ------------laws that kept white southerners in a superior position over Blacks.Many allowed "vagrant" black to be picked up and then their fine paid by a white who would then use them as labor until they had repaid the money-a type of economic

    asked by joy
  101. ecc

    Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.6 mg of vasopressinin 100.0 mL of solution has an osmotic pressure at 25 ¢ªC

    asked by george
  102. Finance

    You know that the after-tax cost of debt capital for Bubbles Champagne is 4.1 percent. Assume that the firm has only one issue of five-year bonds outstanding. The bonds make semiannual coupon payments and the marginal tax rate is 30 percent. a. Calculate

    asked by elh009
  103. life orientation

    Identify and describe 3 environmental health hazards that cause ill health,accidents,crises and or disasters within communities in South Africa and globally

    asked by lebohang
  104. geometry

    For a cone, if the radius was quadrupled and the slant height was reduced to one sixth of its original size, what would be the formula to find the modified surface area?

    asked by Courtney
  105. U.S/history AP

    1)--------practice in the south of borrowing the money necessary to plant a crop against that future crop.The money was loaned at excessively high interest rates and kept most white and black southerners in perpetual debt. my answer 1-crop-lien economy

    asked by joy
  106. chemistry quick homework help

    A sample of Freon-12 (CF2Cl2) occupies 2.507 x 101 L at 291 K and 2.518 x 102 kPa. Find its volume (in L) at standard temperature and pressure (STP).

    asked by will.i.am
  107. chemistry

    At 1225 kpa, the temperature of a hot air balloon is about 500 degrees Celsius and is inflated to 200 cubic centimeters. Upon descending the pressure is decreased to 9 atm and 300 degrees Celsius. What is the new volume? Round to the nearest whole number,

    asked by sarah a
  108. physics

    A radio station on the surface of the earth radiates an EM-wave with an average total power of 50 kilo-watts. Assuming the transmitter radiates equally in all directions (not in real life), find the amplitudes Emax and Bmax detected by a satellite at a

    asked by Dan
  109. physics

    The work done by non-conservative forces is equal to the total change in kinetic and potential energy. True or False?

    asked by kelsi
  110. physics

    If only conservative forces are acting, total mechanical energy (KE + PE) is not necessarily conserved. True or False?

    asked by kelsi
  111. life orientation

    Name two community organization that are involved in giving redress to pollution

    asked by mary duba
  112. Math

    What is (a+b) to the third power?

    asked by Carol
  113. maths -urgent

    The sum of two opposite angles of a parallelogram is 150 degree .find the measure of each of its angles.

    asked by anoynomous
  114. Science

    1.You notice green scum floating on the surface of a pond. How can you tell whether these organisms are plants? 2.Explain, using an example how water may become polluted 3.Why is conservation important today? 4.Most people drive cars and heat their homes

    asked by CONATY
  115. Chemistry

    If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was weakly deflected rank the liquids in order of polarity. (Assume densities and charges are all equal.)

    asked by Faith. (pls Help
  116. Chemistry

    A balloon contains 2000mL of helium gas at 300K what is the new volume in mL at 600K

    asked by Ashley
  117. U.S/history AP

    1- -------.one of the ways that white southerners tried to keep blacks from voting.1st way they did this .This rule said that could only vote if your ancenstor voted in 1860.a.k.a. (MISSISSIPPI Plan). 2---------.as white southerners regained control of

    asked by joy
  118. chemistry

    Which of the following statements about proteins is true? The simpler an amino acid is, the more likely it is to be generated within the body. The source of a protein (mammal, fish, or poultry) has little effect on nutritional value. All of these are true.

    asked by asap
  119. physics

    In attempting to pass the puck to a teammate, a hockey player gives it an initial speed of 2.82 m/s. However, this speed is inadequate to compensate for the kinetic friction between the puck and the ice. As a result, the puck travels only one-half the

    asked by Anonymous
  120. maths

    Solve for x: (x+1)/(x-3)>0.

    asked by anoynomous
  121. stats

    Thirty random students took the final. If the sample mean was 86 and the standard deviation was 9.2 construct a 99 percent confidence interval for the mean score of all

    asked by t
  122. health and wellness

    what are some of the most important elements of health and wellness? explain your response in 150 -300 words

    asked by gail
  123. 5th grade math

    I don't get it! /is 20 times 5/6 greater than or less than 20

    asked by Sky
  124. Math

    A customer is buying a $100 drill and two $15 drill bit stes. The customer uses a $50 gift card for a portion of thier bill. How much cash will the customer pay (before taxes)?

    asked by Natasha
  125. english

    how to do i do good on a ela multiple choice comprehension test. like can you give me some tips?

    asked by tom
  126. ecc

    Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).

    asked by george
  127. Grammar

    Rewrite the paragraph below, correcting errors in verb usage. (1) History books have learned us many facts about Sir Francis Drake.(2)Much of Drake's fame lays in his having sailed around the world.(3)What he done was amazing.(4)In 1577, sailing from

    asked by Anonymous
  128. science

    Suppose we initially had n qubits in the state |ψ⟩=∑x∈{0,1}nαx|x⟩, on which we were going to perform Fourier sampling (i.e. perform Hadamard transform H⊗n and sample). Unfortunately, a clumsy lab assistant mistakenly applied X to one of the

    asked by elviria
  129. Bio

    How do Schwann Cells initiate Myelination and is Myelination only initiated by these cells. Does anyone have any websites where i can find this information. I am confused on how it initiates it.

    asked by Rebekah
  130. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly
  131. precalculus

    Solve 7 cos(2 theta) = 7 sin^2(theta) + 3 for all solutions 0 less than or equal to theta less than 2pi. Solve 7 sin(2 w) - 4 cos(w) =0 for all solutions 0 le w lt 2pi

    asked by marie darling
  132. math

    what is the general term of this sequence 1,2,4,8....4096

    asked by tshepo kobe
  133. social studies

    charlemagne did to make his empire large and better

    asked by bello
  134. Science

    Describe how burning fossil fuels has created an imbalance in the carbon cycle.

    asked by HELPMEASAP!
  135. U.S/history AP

    --------During french and Britsh fighting Washington declared that U.S.would not choose sides even though Hamilton wanted to support the British and Jefferson the French due to the FRANCO-AMERICAN ALLIANCE. my answer Treaty of Alliance

    asked by joy
  136. English

    Discuss the society in Brave New World as a utopia. What should i make my thesis be??? Please help im so lost.

    asked by Nancy
  137. algebra 2

    Find two negative numbers such that the sum of their squares is 170 and twice the square of the first minus 3 times the square of the second is 95

    asked by aaron
  138. geometry

    ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?

    asked by Ian
  139. soc

    According to the text, which of the following theories reflects the understanding of a marriage as a relationship that provides, among other things, sexual companionship?

    asked by Anonymous
  140. Chemistry

    Write the name and chemical formula of an amphoteric ion.

    asked by alex
  141. calculus

    Suppose that x=x(t) and y=y(t) are both functions of t. If x^2+y^2=26 and dx/dt=−2 when x=1 and y=5, what is dy/dt? help??????

    asked by june
  142. English

    1. There are five pictures on the pages. Look at the picture on the left page in the middle.....Let's go clockwise. What are they doing? They are playing music together. 2. Let's go clockwise. 3. Let's go around clockwise. 4. She is digging the ground to

    asked by rfvv
  143. food and nutrition

    what are the steps in baking of cake?

    asked by princess
  144. chem

    A sample of sulfur hexafluoride gas (SF6) occupies a volume of 1.200 Liters at 7.067 x 101 oC. Assuming the pressure is constant, what will the final temperature be (in o C) if the volume is increased to 7.110 Liters?

    asked by will.i.am
  145. math

    how many quarts are in a liter

    asked by Garret
  146. english

    what is the pronoun and antecedent in this sentence. Scientists have tried to teach sign language to chimps, but Kaatu could not learn it.

    asked by jill
  147. Finance

    Rick has a credit card that charges 19% interest compounded monthly. What is the true annual rate of interest for Rick's credit card?

    asked by Anonymous
  148. Geometry Part 2

    A triangle has side lengths 10,15,and 7.Is the triangle acute,obtuse,or right?Explain.

    asked by Karen
  149. Jerry Mahura Secondary

    Outline and explain the objectives of fencing a farmland

    asked by Tumelo Tonyane
  150. stats

    Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. 1) n = 128, x = 93; 90 percent

    asked by t
  151. math

    find the verticle, horizontal, and oblique asymptotes, if any, for the given rational function: g(x)=x^4-81/3x^2-9x I feel like such a dork becaue i have no clue how to do this, can someone please help me????

    asked by sally
  152. math

    Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!

    asked by jenny
  153. English

    Can someone check these questions, please? Thank you in advance In Shelley's Frankenstein, what are the traits that remind us of a Gothic novel? 2)Discuss the concepts of beauty and youth as portrayed by Lord Henry in chapter 2 of O. Wilde's The Picture of

    asked by John
  154. Geometry Part 2

    A highway makes an angle of 6 with the horizontal.This angle is maintained for a horizontal distance of 5 miles.To the nearest hundredth of a mile, how high does the highway rise in this 5- mile section?Show the steps you use to find the distance.

    asked by Karen
  155. Calculus

    Light is absorbed when it passes through a glass window. If r% of light is absorbed by a glass with thickness w , then the percent of light that is absorbed by a piece of glass with a thickness nw of for any natural number n is modeled by the following

    asked by Deeno
  156. Maths

    Iam stuck.Please anyone help me. P and Q are two trees 490m apart beside a river. F is a flagpole on the other side of the river. If angle PQF=43 degree and angle QFP = 36 degree, Find the distance PF.

    asked by Shane
  157. Math

    I need to change this expression to postfix form. (12*A^2-2*A+31)/(4*A+6) I know how to do this except for the squaring part. I got stuck. This is my try. 12 A 2 ^ * 2 A * - 31 + 4 A * 6 + / When I test this in a calculator, it gives different results.

    asked by Sara
  158. life orientation

    described the pratice of high risk sexual behavior amongs the adolescene

    asked by bev
  159. Math

    a group of students ate a whole pie each student ate exactly 1/5 of the pie how many students shared the pie

    asked by Phillip
  160. Life orientation

    In 10-15 lines critically discuss 5 ways of hiv/aids which the environmental problem impact in the community.

    asked by Sylverster
  161. Maths

    Please help me. P and Q are two gun placements 1250m apart. T is a target. The angles TPQ and TQP are 73 degree 24' and 68 degree 5' respectively. Find the distance P to the target T.

    asked by Shane
  162. English

    1. Her family is having a barbecue party. The person has put a piece of meat on the barbecue. A girl is carring some fish on the plates. 2. Each person is cooking meat on the barbecue. Her family is having a barbecue. That person is barbecuing some meat.

    asked by rfvv
  163. Life orientation

    In 10-15 lines critically discuss 5 ways in which hiv/aids environmental problem impacts in de community.

    asked by Sylverster
  164. Geometry Part 2

    State whether the transformation of a Preimage and Image circles appears to be a rigid motion?Explain

    asked by Karen
  165. Algebra

    simplify and write in standard form (2p^2-p)+(7p^4+P^3+2p)

    asked by Joe
  166. Literature

    Which of the following sentences is correct? (1 point) When the lions approach, the herd of buffalo run toward the river for safety. When the lions approach, the herd of buffalo runs toward the river for safety. When the lions approach, the herd of buffalo

    asked by Rebekah
  167. calculus

    A water trough is 8 cm wie at the top, 50 cm wie at the bottom and 40 cm deep and 3 m long. Water is poured in at 1500cm ^3/s how fast is the water level rising when itis 20 cm deep?

    asked by rim
  168. Life orientation

    Air pullution environmental or human factor that caeses ill health,accidents,crisis and disasters.

    asked by Nombuso
  169. 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

    asked by wendy
  170. Math

    Suppose that you invest $6384 in an account that earns interest at an APR of 4.6%, compounded monthly. Determine the accumulated balance after 9 years.

    asked by Maria
  171. ecc

    A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)

    asked by george
  172. U.S/history AP

    ----------Segration laws passed in the south that replaced the BLack Codes after Recontruction.They separated Blacks(and many whites) were allowed to build homes on a small acreage and farm the land my answer Jim crow laws

    asked by joy
  173. ecc

    Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).

    asked by george
  174. ecc

    Describe how you would make up3.2 g of a 5.00% aqueous solution of NaCl(i.e. find masses of the components that need to be mixed).

    asked by george
  175. algebra 1

    Simplify the rational expressions,if possible.State the excluded values,if any. 1.5x-5/10x^2-25x+15 2.w^2+6w+9/2w^2-18

    asked by Jen
  176. Finding the distance

    Find the distance d(P1,P2) between the points P1 and P2 P1=(-1,5);P2=(2,4) d(P1,P2)=

    asked by Mary
  177. chemistry

    Determine the mole fractions of both substances in a solution containing 36.0 g of water and 46.0 gof glycerin, C3H5(OH)3?

    asked by george
  178. Math

    Lois brought 6 gallons of milk for the soccer team they drank 10 quarts of the milk. How many quarts of milk were left over ?

    asked by Isaiah
  179. chemistry

    A solution was prepared by dissolving 0.834 g of sulfur, S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution. (Use the table from the textbook.)

    asked by george
  180. science

    ______________ can prevent some bacterial cells? 7th grade science please help me.

    asked by lola
  181. Physics

    A 200g box is moving on a table with velocity of 23m/s. There is a coefficient of friction of 0.032 between the table an the box. A force pushes the box for 1.2m which increases the velocity to 28m/s. Calculate the force that was applied. How do we solve

    asked by Sash
  182. Economics

    A decrease in the income tax rate _Increases_____ the value of the multiplier? That was my answer. Increases?

    asked by Linda
  183. Alg 1

    Reasoning: The equation 3x^2 + bx + 3 = 0 has one real solution. What must be true about b? I think it is: b must be the same as -4(a)(c). What are your thoughts?

    asked by Jane
  184. Science

    Electrical current generally increases as voltage increases. true false I think this is true?

    asked by Cassie
  185. algebra 1

    x^2-4x-21=0 how do you solve this

    asked by li
  186. science

    ______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks

    asked by lola
  187. chemistry

    A 3.00 Liter tank containing 225 grams of oxygen gas was heated to 100 degrees C. How much pressure must the tank be able to withstand to avoid explosion of the tank?

    asked by sarah a
  188. life oriantation

    Identify and describe three environmental health hazards that cause ill health,crises and disasters

    asked by Anonymous
  189. Grade 12 Calculus

    6. The forward motion of a space shuttle, t seconds after touchdown, is described by s(t) = 189t − t^3 , where " is measured in metres. a) What is the velocity of the shuttle at touchdown? b) How much time is required for the shuttle to stop completely?

    asked by Fadak
  190. Grade 12 Calculus

    Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a)  =  − 4 + 3 , 0 ≤  ≤ 3 b)  =  − 1 , 0 ≤  ≤ 2

    asked by jam
  191. Grade 12 Calculus

    Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2 , 0 ≤ x ≤ 2

    asked by james
  192. Grade 12 Calculus

    Determine the velocity and acceleration as functions of time, t, for s(t) = 45t − 5t^2, where s(t) represents the distance as a function of time. (Hint: velocity and acceleration correspond to the first and second derivatives of the distance)

    asked by alex
  193. Chemistry

    3.00 g of H2 reacts with 200.0 g of AgCl. what is the yield?

    asked by Jeff
  194. Grade 12 Calculus

    Determine the maximum and minimum of each function on the given interval. a)  = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b)  = 12x − x^3 ,  x∈ [−3,5]

    asked by sam
  195. Italian- American Foods

    What are some common italian-american foods? lasagna? chicken parmasean? pizza?

    asked by Celest
  196. Grade 12 Calculus

    Evaluate each of the following. Show all your calculations. a) f'(3) if f(x)  = x^4 − 3x b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8 c) f" (1) if f(X)  = −3x^2 − 5x + 7 d)f" (−3) if f(x)  = 4x^3 −

    asked by mandy
  197. Grade 12 Calculus

    State the absolute maximum value and the absolute minimum value of each function, if the function is defined on the interval shown. {I CANNOT POST THE GRAPH SO CAN SOMEONE EMAll ME AT miss.a.parker at hot mail(. com) SO I CAN EMAIL IT TO THEM SO YOU CAN

    asked by Alexandra
  198. calculus

    Determine the maximum and minimum of each function on the given interval. a)  = 2x^3 − 9x^2 ,−2 ≤ x ≤ 4 b)  = 12x − x^3 ,  x∈ [−3,5]

    asked by Alexandra
  199. Algebra

    Find the vertex, maximum or minimum,and if the concave is up or down. Y= 3x-54x+241

    asked by Samantha
  200. biology

    i am researching an article and am having trouble understanding the title. can someone please explain to me in simple terms: Deficiency of a Beta-arrestin-2 signal complex contributes to insulin resistance. so what is a beta arrestin 2 signal complex?

    asked by sara
  201. american literature

    in the legend of sleepy hollow part of the exposition includes describing the legend behind.

    asked by artesho
  202. math

    Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it, sin x sec x - 3 sin x = 0 the solution: sin x 1/cos x - 3 sin x = 0 sin x - 3 sin x =

    asked by choi2463
  203. math

    how tall is a telephone pole if it cast a shadow 24 feet long

    asked by Leia
  204. math

    Determine all the possible values of x where 0 deg is more than or equal to x and x is more or equal to 360 deg such that i'm not sure the solution, please correct it and how to find the x value, 2 tan x - 1 = cot x solution: (sec x -1)(sec x + 2) = 0 sec

    asked by choi2463
  205. 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 by TIM
  206. business communication

    What do you consider to be the most important features of an effective communication? Explain your choices

    asked by cathy
  207. maths

    Calculate the amount at a rate of rs 1200 per month.with effect from 1st august 2000 till 1st april 2013 at a rate of 11% interest per annum

    asked by prashant
  208. Math

    Given that the equation x^2(3-x) has 3 real solutions of k, give the set of possible values for k.

    asked by Ashley
  209. math

    x 65 ft. ____ = _______ 3 ft. 39 ft.

    asked by bianca
  210. analogies

    what are analogies? whats analogy for spread?

    asked by storm
  211. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly
  212. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly
  213. math

    express the following as a single logarithm log2+log3+log4

    asked by kathrine
  214. chemistry

    The question I am having trouble with is: Scientists originally were uncertain whether the oxygen gas produced during photosynthesis came from CO2, H2O, or from both. How could radioisotope tracers be used to settle that question? Chemistry - DrBob222 6CO2

    asked by Madison
  215. chemistry

    determine the concentration of the salt water Express the concentration in both molarity in grams per liter

    asked by Elihu
  216. algebra 1

    Choose the equation that could be used to find three consecutive integers whose sum is 99

    asked by Montereus
  217. Life orientation

    Identify 5 practices in contravention of the basic conditions of employment act ?

    asked by Charles malatjie
  218. Math

    What is the probability that a multiple of two will occur with one roll of a twenty-sided die numbered from 1-20?

    asked by meoow
  219. physics

    the mass of the ball is 0.43kg and the weight of the player is 900N.the player is at rest.whAt is the normal force exerted on the exerted?

    asked by Anonymous
  220. U.S/history AP

    welthy dutch settlers in New York. Given money and land to set up feudal system. my answer New Netherlands

    asked by joy
  221. algebraic systems

    ok, so im stumped on this bonus system. there is a hint that the prof. gave that said that all coefficients are 1 or -1. can someone do this and explain how you did it? a + b + c + d + e + f + g + h + k + m = 27 a – b + c + d + e + f + g + h + k + m = 23

    asked by chris
  222. Math

    What is the median, mode, range of 17, 47, 12, 13, 12?

    asked by Thea
  223. business communication

    What suggestions would you offer a new employee to help them effectively communicate with your team and/or teams in your workplace when meeting face-to-face, sending an e-mail, and during a team meeting?

    asked by cathy
  224. Transportation and Cargo Security

    The need for transportation security in a global transportation industry.

    asked by Lisa Ling
  225. Physics

    A 9 kg hanging weight is connected by a string over a pulley to a 5 kg block sliding on a flat table. If the coefficient of sliding friction is 0.2, find the tension in the string.

    asked by Lex
  226. math

    A bag contains 5 green marbles, 3 yellow marbles and 2 red marbles. What is the probability of picking three green marbles from the bag without replacement?

    asked by meoow
  227. Science

    Why are some Protista able to move faster than others

    asked by Anonymous
  228. Calculus

    Convert the curve to an equation in rectangular coordinates: x=(t+2); y=-2sqrt(t)

    asked by Liz
  229. Math

    When you are adding variable with exponents, do you add the exponents too? What would ab2 + 2ab2 =

    asked by Kelley
  230. Math

    For a Normal distribution with mean, mu=2, and standard deviation, sigma = 4, 70% of all observations have values between x and y . (Round to 4 decimal places.)

    asked by Jackie
  231. calculus

    Find the center (h,k) and radius r of the circle with the given equation. 4(x+4)^2 + 4(y-6)^2 = 324

    asked by Quarie
  232. math

    on the test had 50 items gertrude got 34 out of the first 40 correct. if she received a grade of 80% on the test how many of the last 10 did she have correct

    asked by emanuel
  233. life orientation

    discuss 5 ways in which the human or environmental problem impacts on the community

    asked by njabulo
  234. life orientation

    discuss 5 ways in which the human or environmental problem impacts on the community

    asked by njabulo
  235. life orientation

    discuss 5 ways in which the human or environmental problem impacts on the community

    asked by njabulo
  236. life orientation

    discuss 5 ways in which the human or environmental problem impacts on the community

    asked by njabulo
  237. Maths

    How many integer values x satisfy the inequality 2

    asked by Ian
  238. Livingston High

    61/3 =

    asked by John
  239. math statitics

    The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are

    asked by Tyra
  240. Science - reproduction

    Hey. Well ummm I have a very awkward question. You see, Me and my best friend were just thinking about what it would be like to be a snake. Then we talked about it. And talked and talked. And eventually we started talking about snake doing... Umm... You

    asked by AngelWolfAssassin
  241. Maths :(

    41 different balls are drawn from a bag containing balls numbered 1,2,…,300. The probability that the number of odd balls drawn is larger than the number of even balls can be expressed as ab where a and b are coprime positive integers. What is the value

    asked by Ian
  242. chemistry university

    A 179 mL solution of a copper complex with a molecular weight of 491.9 g mol-1 was made. The absorbance of the solution at 638 nm wavelength was 0.376 using a 1 cm cuvette. It is known that this copper complex has a molar absorptivity (extinction

    asked by angela
  243. SIGA

    A slope measurement 858.25m and a slope angle of 4 degress.Find the horizontal distance

    asked by SHEM
  244. math

    a man sell two articles at the same price on one he earn 25% profit and on other he incures 25% loss overall he gets?

    asked by vaidehi
  245. Maths

    A tower T is observed from two points A and B which are 240 metres apart. The angle TAB is found to be 57degree and the angle TBA is 78degree. Find the distance of the tower from A.

    asked by Shane
  246. chemistry

    Name three sodium salts that produce weak bases in aqueous solution.

    asked by alex
  247. Life orientation

    5 ways in wich the environmental/human factor impacts on the community

    asked by Gomotsegang monama
  248. maths

    argument for-3+4i

    asked by Anonymous
  249. Life orientation

    In 10-15 lines critically discuss 5 ways in which HIV/AIDS environmental problem impacts on the community.

    asked by Sylverster
  250. Life orientation

    In 10-15 lines critically discuss 5 ways in which the hiv/aids environmental problem impacts on the community.

    asked by Sylverster
  251. Pre Calc

    simon goes to the playground to play on the swings. The length of each swing is 1.75m. What is the distance travelled on one swing, from max height to the next max height if the central angle of the swing is 1.4 rad?

    asked by Dano
  252. Pre cal part 2

    Simon decides to swing higher. If the distance travelled on one swing is 3.5 m what would be the central angle in degrees?

    asked by Dano
  253. physics

    how many sulfer molecules are in 1g of sulfer?

    asked by Anonymous
  254. math

    There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?

    asked by nima
  255. physics

    what is the concept of pressure

    asked by Anonymous
  256. language arts & writing

    My apartment has 2 bedrooms. My apartment has 1 1/2 bathrooms. a)comma b)and c)or d)but e)because

    asked by melissa
  257. l.o

    name two community organizations that are involved in supporting or giving redress to ill health on water population

    asked by sandile
  258. language arts & writing

    My apartment has 2 bedrooms. My apartment has 1 1/2 bathrooms. a)comma b)and c)or d)but e)because

    asked by melissa
  259. Algebra 1

    Solve for y=x-5

    asked by Emily