1. managerial economics

    1. JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect

    asked by ali on March 1, 2009
  2. Physics

    Four identical charges (+1.6 ìC each) are brought from infinity and fixed to a straight line. Each charge is 0.36 m from the next. Determine the electric potential energy of this group. i placed the charges as follow q1 q2 q 3 q4 and used q1 as the

    asked by Kevin on September 21, 2006
  3. Science I reallllllyyy need help!!!!

    which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists study the

    asked by Hayley on August 10, 2017
  4. Statistics in Psychology

    QUESTION 25: In a study you obtain the following data representing the aggressive tendencies of some football players:40 30 39 40 41 39 31 28 33(a) Researchers have found that  is 30 in the population of nonfootball players, 1X 5 5. 2 Using both tails of

    asked by Tonya on February 2, 2014
  5. algebra

    Determine whether each sequence is arithmetic or geometric. Find the next three terms. 4, 8, –16, 32, . . . A.arithmetic, 64, 128, 256 B.geometric, –64, 128, –256 C.geometric, –48, 64, –80 .DThe sequence is neither geometric nor arithmetic. I

    asked by Cassie on March 19, 2013
  6. algebra

    1 (a) A function passes through the points (0, -5), (1, 0), (2, 7). Use finite differences to determine the equation of the function. (b) Draw the graph of the function. (c) Draw the inverse on the graph. (d) Show at least two different restrictions to the

    asked by Wafi on June 4, 2008
  7. Physics

    An airplane is moving through the air at a velocity v = 227 m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. (a) Determine the velocity of the air just over the

    asked by mymi on November 7, 2011
  8. physics

    doing webwork when i came across this question. sure i had it right but apparently im not. The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.20 kg (N.B. as you know, the scale should read N, but no one told the

    asked by sam on July 19, 2015
  9. Calculus

    Given f'(x)=(2-x)(6-x), determine the intervals on which f(x) is increasing or decreasing Options: 1) Decreasing (-∞,2); increasing on (6,∞) 2) Decreasing (2,6); increasing on (-∞,2)U(6,∞) 3) Decreasing (-∞,2)U(6,∞); increasing on (2,6) 4)

    asked by Karen on December 26, 2018
  10. Pre-calculus

    The sum of the first two terms of an arithmetic series is 13 and the sum of the four terms is 46. Determine the first six terms of the series and the sum of the first six terms.

    asked by Tawana on April 12, 2015
  11. Math

    Designer Dolls, Inc. found that the number of dolls sold, N, varies directly as their advertising budget, A, and inversely as the price of each doll, P. Designer Dolls, Inc. sold 12,000 dolls when $50,000 was spent on advertising and the price of the doll

    asked by Dilly on June 13, 2016
  12. physics

    A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 18.9 m/s and a 1500 kg pickup is traveling north toward the same intersection. The car and truck collide at the intersection and stick together. After the

    asked by Diane on November 30, 2012
  13. Operations Management

    Question 1 : ASSIGNMENT LP A transportation company in Mandeville has five delivery vehicles to deliver products along five delivery routes which have different costs according to the truck used. The estimated costs in United States Dollars for each truck

    asked by Gale on June 29, 2014
  14. chemistry

    Using the equations and enthalpy values provided, which mathematical expression can be used to determine the unknown enthalpy change of the decomposition of propane? 3 C + 3 O2 3 CO2 H =-1182 kJ 4 H2 + 2 O2 4 H2O H = -1144 kJ C3H8 + 5 O2 3 CO2 + 4 H2O H =

    asked by bryan on June 17, 2011
  15. Economics

    A. Domestic trade 1.) how does marketing affect local trade? 2.) why should we expand our domestic trade? 3.) why is retail trade important? B. Foreign trade 1.) what are the top ten export product of the Philippines? 2.) how do Philippines promote foreign

    asked by Danielle Stacey on March 2, 2007
  16. Statistics

    A marketing researcher decides to test whether coffee drinkers have a favorable view of coffee labeled as “Fair Trade.” He has 15 randomly selected coffee drinkers taste his company’s Morning Blend, then the exact same coffee labeled Fair Trade

    asked by John on March 24, 2016
  17. math

    ).Find all numbers for which the rational expression is undefined. (4)/(v-2) 2).Find the lcm of (6+7u), (36-49^(u^2)),and(6-7u) ? 3). The speed of train a is 14 mph slower than the speed of train b. Train a travels 190 miles in the same time it takes train

    asked by alia on May 29, 2010
  18. isosceles triangle

    An isosceles triangle is a triangle that has two equal sides. Find AB, BC and AC. Determine if the triangle is isoseles or not based on the lengths of the three sides. can someone show me how to solve?please The triangle is isosceles if AB = BC, or BC =

    asked by Jim on July 26, 2007
  19. Math

    A marble is drawn from a bag containing four white, three red, and two blue marbles. Without replacing the first marble, a second marble is drawn. a. Draw a two stage outcome tree for this experiment. b. Turn the outcome tree into a probability tree

    asked by Lisa on April 24, 2014
  20. Algebra 2

    Perry can fill a sorter with oranges from the conveyer belt in 10 minutes. While Perry fills the sorter, Gillian takes oranges out of the sorter and puts them in shipping crates. With Gillian taking oranges out of the sorter, it takes 25 minutes for Perry

    asked by Anon on January 12, 2016
  21. US Government & Politics

    15. The growth of direct primaries has resulted in which of the following major change to political parties? Political parties, instead of the Senate, host and determine the rules for direct primaries. National conventions held by major parties, instead of

    asked by Vikram on February 15, 2016
  22. Physics

    A 2.30 kg block is initially at rest on a horizontal surface. A horizontal force ModifyingAbove Upper F With right-arrow of magnitude 4.92 N and a vertical force ModifyingAbove Upper P With right-arrow are then applied to the block (see the figure). The

    asked by Sara on April 7, 2016
  23. Dog Business

    Please check my answer thank you very much for your help Based on the following information below please answer the question that follow. Area A: Brooklyn Brooklyn is a very heavily populated urban area within commuting distance from Manhattan by subway,

    asked by Kai on April 10, 2009
  24. Chemistry

    1)Which compound below would be expected to have the highest boiling point? a) CH3-CH2-CH2-CH2-CH2-CH2-CH3 b) CH3-CH2-CH2-CH2-CH-CH3 | CH3 c) CH3-CH-CH2-CH-CH3 | | CH3 CH3 d) CH3 | CH3-CH-C-CH3 | | CH3 CH3 Do I use molar mass to determine which is the

    asked by Hannah on January 30, 2012
  25. Algebra

    At a local park, there is a large circular fountain feature that is 50 feet across, surrounded by a path that is 8ft wide. A father and son plan to have a “friendly” race around the path. To be fair, the father agrees to run around the outside circle

    asked by kim on March 18, 2012
  26. Algebra

    At a local park, there is a large circular fountain feature that is 50 feet across, surrounded by a path that is 8ft wide. A father and son plan to have a “friendly” race around the path. To be fair, the father agrees to run around the outside circle

    asked by kim on March 18, 2012
  27. Probability - PLEASE HELP

    From industry statistics, a credit card company knows that 0.8 of its potential card holders are good credit risks, and 0.2 are bad credit risks. The company uses discriminant analysis to screen credit card applicants and determine which ones should

    asked by Anonymous on December 6, 2011
  28. Chemistry

    Somebody please help me. A friend of mine is trying to figure this out and I don't know how to help her because I haven't learned this. A student heats a 15.0 gram metallic sphere of unknown composition to a temperature of 98°C. The sphere is transferred

    asked by Anonymous on October 9, 2017
  29. Physics

    Determine the value that has the largest total energy. Assuming that the orbirts are circular. (a) 1000 kg satellite at geosynchronous orbit (b) 1000 kg satellite in low earth orbit—roughly 300 km (c) 500 kg satellite at geosynchronous orbit (d) A 500 kg

    asked by Malcom on March 31, 2009
  30. chemistry

    You need to determine the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. You have a 0.1896 M standard solution. You take a 25.00 mL sample of the original acid solution and dilute it to 250.0 mL. You then

    asked by Steven on April 11, 2014
  31. word problem

    A manufacturer of graphing calculators has determined that 11,000 calculators per week will be sold at a price of $90 each. At a price of $80, it is estimated that 17,000 calculators would be sold. A.) determine a linear function that will predict the

    asked by kiley on March 15, 2010
  32. Science

    1. In an experiment performed by Gregor Mendel the results were are as follows. Two pea plants were crossed both were heterozygous for two traits, YyRr, yellow and round. The following F1 offspring were obtained, 315 round yellow, 101 wrinkled yellow, 108

    asked by Jessie on March 14, 2011
  33. Physics

    Suppose the skin temperature of a naked person is 34 degree celsius when the person is standing inside a room whose temperature is 23 celsius. The skin area of the individual is 1.5m^2. (a) Assuming the emissivity is 0.80, find the net loss of radint power

    asked by Coreen on April 13, 2007
  34. Calculus

    The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and

    asked by Anonymous on June 18, 2013
  35. Calculus

    The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and

    asked by Anonymous on June 17, 2013
  36. Introduction to Psychology

    Okay I have to do short paper on my results for a survey that I did to determine which branch of psychology I would be best suited for. My results were Behavioral: 20, Humanistic: 20, and Psychoanalytical: 17. I think my main problem is getting all of the

    asked by Lauren on January 30, 2009
  37. !math (5)

    The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand.

    asked by Mia on April 25, 2014
  38. !math (5)

    The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand.

    asked by Vanessa on April 24, 2014
  39. *math (5)

    The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand.

    asked by Vanessa on April 23, 2014
  40. Stats

    The amount of time Ricardo spends brushing his teeth follows a Normal Distribution with unknown mean and standard deviation. Ricardo spends less than one minute brushing his teeth about 40% of the time. He spends more than two minutes brushing his teeth 2%

    asked by Ann on October 9, 2008
  41. Grade 11 Math

    I have two questions two forest fire towers, A and B are 20.3km apart. From tower A, the bearing of tower B is 70 degrees. The ranger in each tower observes a fire and radios the bearing from the tower. the bearing from tower A is 25 degrees and from tower

    asked by Billy Bob on May 22, 2012
  42. drwl please check

    A shot-putter puts a shot (weight = 70.1 N) that leaves his hand at distance of 1.53 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.18 m above the ground. Include the correct sign for work. (b)

    asked by Mary on February 27, 2007
  43. Physics

    A lumberjack (mass = 104 kg) is standing at rest on one end of a floating log (mass = 234 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.18 m/s relative to the shore, and then hops onto an identical

    asked by Cassie on August 8, 2015
  44. slope help

    write an equatiion with a slope of 3 that goes throught the point. write an equatiion with a slope of -1/2 that goes throught the point. determine equation for the line with pints (6,3) and slope of 2. equation of line points (2,8) slope -3

    asked by anonymous on May 4, 2013
  45. Pre-Calculus(Trigonometry)

    An 8-m boom is used to move a bundle of piping from point A to point B. Determine the exact vertical displacement of the of the boom when the operator moves it form 30 degrees to 60 degrees. (Just need work checked) ---------------------------------------

    asked by Lucina on February 24, 2015
  46. Algebra

    72. Solve for the variable in the equation: 4.9x + 4.4 = 19.1 x=3? 71. Does a machine that takes one quarter at a time into its input and produces one gumball in its output act like a function? Yes? 69. Does a machine that takes one quarter at a time into

    asked by y912f on May 1, 2010
  47. physics

    A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its surface.A point charge of mass equal to 5.3 x 10^-6 kg and carrying a charge of 1.2 nC is held at 10 cm above the center of the

    asked by sandhu on September 19, 2009
  48. physics

    A large conducting plate of area equal to 4.0 m^2 has an evenly distributed surface charge of + 3.4 micro coulomb on its surface.A point charge of mass equal to 5.3 x 10^-6 kg and carrying a charge of 1.2 nC is held at 10 cm above the center of the

    asked by sandhu on September 19, 2009
  49. math

    The entire second grade at Sunshine Elementary participated in a single elimination checkers tournament. There are a total of 118 second graders and so there were 59 matches in the first round of the tournament. In the second round,the 59 remaining

    asked by DC on October 30, 2015
  50. chemistry

    A domestic cleanser contains concentrated HCl as the active ingredient. A titration experiment was carried out to determine the concentration of HCl in the domestic cleanser. 20.0 ml of the cleanser were diluted to 250.0 ml with distilled water. 25.0 ml of

    asked by henry39 on December 24, 2016
  51. Math

    Part 1: When writing linear equations, how do you determine which form of a line to use? Part 2: Choose 1 set of points from the choices below. Then, solve the problem and post your solution, showing your steps. Write an equation in point-slope form for

    asked by Katie on January 8, 2014
  52. Sta

    It is pretty common across most schools to find the grades at the MBA level divided between A’s and B’s. As such, you expect the mean GPA to be around 3.50. Using the sample of 200 MBA students, conduct a one-sample hypothesis test to determine if the

    asked by Mark on March 17, 2012
  53. Statistics check

    Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O - Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to

    asked by Tracy 10 on June 25, 2013
  54. chemistry

    The following data were obtained at 25° C for the reaction [1+2+2] C2H5Br + OH- C2H5OH + Br- Determine the rate law for the reaction from these data. [C2H5Br] [OH-] Rate 0.150 0.200 4.8 x 10-5 0.300 0.200 9.6 x 10-5 0.450 0.200 14.4 x 10-5 0.300 0.600

    asked by ranu on February 8, 2012
  55. History

    1. Why was the presidency of George Washington considered to be so significant? A His actions would define the role of the Supreme Court B His actions would set precedents for all future presidents C His actions would determine the need for a president ***

    asked by Hi - need help on October 31, 2017
  56. physics

    1.A spherical bowl(R = 20 cm) contains water(n = 1.33) and your pet gold fish who, is swimming 15 cm from the centre of the bowl. You however are 35.0 cm from the edge of the bowl-outside, of course. Describe the image your fish sees. 2.The hydrogen atom

    asked by Sandhya on May 22, 2009
  57. Physics

    Your daredevil friends attach a rope to a 140kg sled that rests on a frictionless icy surface. The rope extends horizontaly to a smooth dead tree trunk lying at the edge of a cliff. Another person attaches a 30kg rock at the end of the rope after it passes

    asked by Hang on October 23, 2016
  58. chemistry

    How is the reaction quotient used to determine whether a system is at equilibrium? The reaction is at equilibrium when Q > Keq. At equilibrium, the reaction quotient is undefined. The reaction quotient must be satisfied for equilibrium to be achieved. The

    asked by danny on February 25, 2015
  59. chem

    A sewage cleanser contains concentrated hydrochloric acid (HCl) as the active ingredient. A titration experiment was carried out to determine the concentration of hydrochloric acid in the domestic cleanser. 25.0 mL of the cleanser were diluted to 250.0 mL

    asked by raiser on October 13, 2016
  60. science

    Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride.After dissolving this mixture in water,0.500M silver nitrate is added dropwise until precipitate formation is complete. THe mass of the white precipitate formed is 0.641 g. a)Calculate

    asked by Brianna on January 2, 2008
  61. Maths

    One tenth kilogram of Argon is contained in a piston-cylinder assembly. Initially at 4900 K and a volume of 40 liters, the gas undergoes an isobaric process during which the heat input is 30 kJ. Where / how do i start to determine the boundary work and

    asked by Gary on March 10, 2007
  62. biology

    In humans, dietary calcium helps maintain strong bones and teeth. Calcium is absorbed into the blood stream by the cells that line the small intestine. Bone cells called osteoblasts absorb calcium from the blood and use it to form the mineralized part of

    asked by Jen on September 6, 2007
  63. compemtary math

    . To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years requires you to use a table factor that goes beyond the Compound Interest Table. Calculate the new table factor for this investment.

    asked by mary on October 3, 2013
  64. physics

    The left-hand cable has a tension T1 and makes an angle of 50 degree with the horizontal. The right-hand cable has a tension T3 and makes an angle of 43 degree with the horizontal. A W1 weight is on the left and a W2 weight is on the right. The cable

    asked by Kelly on October 1, 2013
  65. pHYSICS

    Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the

    asked by PLEASE HELP on January 26, 2013
  66. PHYSICS 2

    Two resistors have resistances R(smaller) and R(larger), where R(smaller) < R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the

    asked by PLEASE HELP on January 25, 2013
  67. math

    A. You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally $119.99 now on sale for $79.99 and Chair B was originally $149.99 now on sale for $89.99. Calculate the markdown percent of each

    asked by Lamar on May 31, 2013
  68. Statistics

    The Tyco Video Game Corporation finds that it is losing income because of slugs used in its video games. The machines must be adjusted to accept coins only if they fall within set limits. In order to set hose limits, the mean weight of quarters in

    asked by Lizzy on July 22, 2015
  69. Trigonometry

    While camping by the Merced River in Yosemite Valley, a group of friends were admiring a particular tree on the opposite bank.  Maria claimed that the height of the tree could be determined from the group’s side of the river by the following method: •

    asked by Loki on July 6, 2013
  70. Physics

    The drawing shows two identical systems of objects; each consists of the same three small balls connected by massless rods. In both systems the axis is perpendicular to the page, but it is located at a different place, as shown. The same force of magnitude

    asked by Beth on April 1, 2012
  71. statistics

    It is known that the population mean for the Quantitative section of the GRE is 500, with a standard deviation of 100. In 2006, a sample of 400 students taking the GRE, whose family income was between $70,000 and $80,000, had a quantitative GRE score of

    asked by Lee on April 29, 2014
  72. maths - fixed points

    Fixed points of f? f(x) = 1/4x^2 - 1/8x - 5/8 a) use algebra to find the fixed points and classify them. b) use the gradient criterion to determine an interval of attraction for one of the fixed points of f c) find exact values of the 2nd and 3rd terms of

    asked by Anonymous on May 22, 2008
  73. Chemistry

    Is this correct? What is the experimental empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of chlorine reacted in the zinc chloride that was produced..028 moles of Zinc .025 moles of Cl .025

    asked by Madison on October 26, 2009
  74. MATH 123

    Darla purchased a new car during a special sales promotion by the manufacturer. She secured a loan from the manufacturer in the amount of $23,000 at a rate of 4.6%/year compounded monthly. Her bank is now charging 6.2%/year compounded monthly for new car

    asked by Anonymous on July 5, 2017
  75. Math

    Darla purchased a new car during a special sales promotion by the manufacturer. She secured a loan from the manufacturer in the amount of $24,000 at a rate of 4.2%/year compounded monthly. Her bank is now charging 6.8%/year compounded monthly for new car

    asked by Kayla on November 28, 2017
  76. math

    Suppose that a certain municipality uses the equation y=3(x-50)+30 to determine the fine assessed a car which exceeds the 50 mph speed limit. Let x=speed of the car (in mph) and y=corresponding fine in dollars. a)What is the fine for traveling at 55 mph?

    asked by kathy m. on December 30, 2012
  77. Java Programming

    Hey! Thanks for checking my question out! ____ 10. If x is a sorted array of int values, which of the following shows a call to a method of the Arrays class that will determine if the value 7 exists in the array? (1 point) a) int loc =

    asked by Da Fash on November 8, 2017
  78. Math

    On the six tests in her social studies course, Jerelyn's score were 92, 78, 86, 92, 95, and 91. Determine the median and the mode of her scores. If Jerelyn took a seventh test and raised the mean of her scores exactly 1 point, what was her score on the

    asked by JAsmine on September 13, 2008
  79. micro economics

    For each event, illustrate the impact on the relevant market and determine what will happen to the equilibrium price and quantity in that market. Event Market for: Show which curve shifts Equilibrium price rise or fall? Equilibrium quantity increase or

    asked by fred on May 13, 2011
  80. Physics: momentum

    While you are standing on a expanse of smooth ice, your friend throws a heavy ball towards you. How can you maximize your speed after your interaction with the ball? a. More information is needed to determine how you should maximize your speed. b. It

    asked by Olivia on October 7, 2014
  81. PLEEEEEAAAASE HELP WITH DIFFERENTIAL EQ PROBLEMS!!

    1) What are the equilibrium solutions to the differential equation and determine if it is stable or unstable with the initial condition y(-4)=1: 0.1(y+2)(4-y) 2) Use Euler's method with step size=0.5 and initial condition y(0)=3 to solve the equation

    asked by Karen on December 8, 2014
  82. HUman resource managment

    i just want to confirm my answers, before answering the question in exams on monday. What is the process of recruitment? Answer:1. determine the vacancies these includes,post to be filled, qualifications requires, duties to be performed. 2. consider

    asked by pallavi on June 2, 2012
  83. Chemistry

    Strong base is dissolved in 675 ml of 0.200 m weak acid (ka=3.25x10^-5) to make a buffer with a ph of 3.95. Assume that the volume remains constant when the base is added. HA + OH ---> H2O + A^- calculate the pka value of the acid and determine the number

    asked by Alex on November 9, 2011
  84. CHEMISTRY

    Strong base is dissolved in 675 ml of 0.200 m weak acid (ka=3.25x10^-5) to make a buffer with a ph of 3.95. Assume that the volume remains constant when the base is added. HA + OH ---> H2O + A^- calculate the pka value of the acid and determine the number

    asked by Alexander on November 9, 2011
  85. Geometry

    Given: ABCD is a parallelogram;

    asked by DANIELLE on June 13, 2007
  86. second revision - English

    When evaluating online sources, one of the points to remember is that, all information listed on the internet is not reliable. In essence, when reading this blog titled "The Nation," I can not determine that the information is reliable because the source,

    asked by Rose- Ms. Sue on April 17, 2008
  87. Physics: Aluminum Block

    A 1.65-kg aluminum block and a 6.85-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle è = 31.0°) as shown in the figure. Making use of the table below,

    asked by crystal on March 4, 2013
  88. Statistics

    One last one. A poll at Steve's high school was taken to see if students are in favor of spending class money to expand the junior-senior parking lot. Steve surveyed 6 random students from the population. 85% favored the expansion, while 15% opposed it. a)

    asked by Josh on November 25, 2015
  89. chemistry

    A 100.0 ml sample of 0.300 M NaOH is mixed with a 100.0 ml sample of 0.300 M HNO3 in a coffee cup calorimeter. Both solutions were initially at 35.0 degrees celcius; the temperature of the resulting solution was recorded at 37.0 degrees celcius. Determine

    asked by Kristy on November 10, 2010
  90. Chemistry

    An iron nail with a mass of 0.750 g was dissolved in dilute sulfuric acid and diluted to 100.0 mL volume. A 10.0 mL aliquot of this solution was then titrated with standard 0.200 M potassium permanganate solution, according to the following equation: MnO4-

    asked by Marina on January 3, 2016
  91. Algebra

    I need to determine if they are open, infinite, or none. y = -1/4x + 1 8y = -2x + 8 Open Infinite None* y = 6x + 2 3y = 18x + 12 Open Infinite* None -2y = -x + 6 y = 1/2x - 3 Open Infinite None* y = 5x - 6 3y = 15x - 12 Open Infinite None*

    asked by Dylan on January 10, 2018
  92. Physics

    A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. The helium nucleus is observed to rebound at an angle θ'2 = 44° from the neutron's initial direction. The neutron's initial speed is

    asked by Ben on March 7, 2010
  93. Physics

    A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. The helium nucleus is observed to rebound at an angle θ'2 = 44° from the neutron's initial direction. The neutron's initial speed is

    asked by Ben on March 7, 2010
  94. Calculus

    The consumer demand equation for tissues is given by q = (97 − p)2, where p is the price per case of tissues and q is the demand in weekly sales. (a) Determine the price elasticity of demand E when the price is set at $26. (Round your answer to three

    asked by Megan on October 28, 2015
  95. accounting

    The Delicious Cake Factory owns a building for its operations. Delicious uses only half of the building and is considering two options that have been presented to them. The Candy Store would like to purchase the half of the building that is not being used

    asked by melissa on June 29, 2008
  96. chemistry

    To a 100.0 mL solution containing 0.0100 M Ba(NO3)2 and 0.0100 M Pb(NO3)2 was added 101.0 mL of 0.0100 M H2SO4 to provide a slight excess of SO42- relative to Ba2+ in the resulting solution. Assuming that: i) H+ does not bind to SO42- ii) ionic strength

    asked by john on November 4, 2015
  97. Logic

    Draw a flowchart for a program that reads a date in an 8-digit sequence (month, day, year) and determines if the date is a valid date. ignore leap year. Assume Feb has 28 days, and establish a table of days in a month so that you can access the appropriate

    asked by Jack on November 4, 2012
  98. math

    can someone show me how to solve this problem. It determines that in order to sell x smartphones, the price per product must be p=280-0.4x. It also determine that the total cost of producing x smartphones is given by C(x)=5000+0.6x. a. Find the total

    asked by ifi on December 10, 2012
  99. Math

    How do I solve this question? "Rory Gilmore earns $20 per hour during the week and $30 per hour for overtime on the weekends. One week Rory earned a total of $650. She worked 5 times as many hours during the week as she did on the weekend. Write and solve

    asked by Max on February 19, 2011
  100. physics

    In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J. (a) Determine the heat transferred between her body and surroundings during this event. J (b) What does the sign of your answer to part (a) indicate?

    asked by Annette on April 29, 2013

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