Fatima

Popular questions and responses by Fatima
  1. Physics

    a 2.5kg block initially at rest on horizontal surface. A horizontal force F of magnitude 6N and a vertical force P are the applied to the block. The coefficients of friction for the block and surface are Ms=0.4 and Mk=0.25.Determine the magnitude of the

    asked on October 8, 2011
  2. chemistry

    A certain reaction is spontaneous at 72˚C. if the enthalpy change for the reaction is 19Kj/mol, what is the minimum value of ΔS (in J/K•mol) for the reaction?

    asked on November 22, 2014
  3. chemistry

    What is the mass, in grams, of 7.40×1020 molecules of caffeine, C8H10N4O2

    asked on July 24, 2013
  4. chemistry

    In a certain experiment a student finds that the PHs of 0.10 M solutions of three potassium salts KX, KY, and KZ are 7.0, 9.0, and 11.0, respectively. Arrange the acids HX, HY, and HZ in order of increasing acid strength.

    asked on November 22, 2014
  5. Maths

    Colin walked a distance of 15 miles in 6 hours Work out Colin's average speed Give your answer in miles per hour

    asked on June 2, 2019
  6. Economics

    Which one of the following is an example of direct foreign investment? A. General Motors building an auto production facility in China B. The purchase of debt issued by the Panamanian government C. A U.S. bank granting a loan to a Guatemalan firm D. A U.S.

    asked on June 19, 2018
  7. Economics

    Which one of the following statements about capital flight is correct? A. Capital flight refers to the tendency of developing countries to overinvest in commercial aircraft. B. Capital flight refers to developing countries' citizens accumulating or

    asked on June 18, 2018
  8. Economics

    Which one of the following statements about the World Bank is correct? A. The World Bank provides gold for developing countries that want to go on the gold standard. B. The World Bank provides short-term loans to developing countries that are incurring

    asked on June 6, 2018
  9. economics

    In which phase of the business cycle will the economy most likely experience rising real output and falling unemployment rates? A. Peak B. Recession C. Expansion*** is my answer D. Trough

    asked on February 21, 2018
  10. Economics

    Which one of the following statements about efficiency wages is correct? A. An efficiency wage is a "wage" that contains a profit-sharing component as well as traditional hourly pay. B. An efficiency wage is an above-market wage that minimizes a firm's

    asked on May 27, 2018
  11. Economics

    Which one of the following statements is correct under the theory of supply-side economics? A. High marginal tax rates severely discourage work, saving, and investment. B. Transfer payments increase incentives to work. C. Increases in social security taxes

    asked on May 21, 2018
  12. chemistry

    A scientist is performing an experiment on a powder. Which of the following is a sign that a chemical change has definitely occurred during his experiment? The powder catches on fire. The powder releases bubbles. The powder heats up. The powder breaks

    asked on February 7, 2013
  13. Maths

    A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range equals [0,1] C.Give n example of a function whose is the

    asked on September 17, 2012
  14. chemistry

    In a group 1 analysis, a student adds hydrochloric acid to the unknown solution to make [Cl-] = 0.15 M. Some PbCl2 precipitates. Calculate the concentration of Pb2+ remaining in solutions.

    asked on November 22, 2014
  15. physics

    A particle moves along the x-axis from an initial position xi to a final position xf. Of the following values of xi and xf, which results in a negative displacement? (a) xi = 6 m, xf = 4 m (b) xi = ?4 m, xf = ?2 m (c) xi = ?4 m, xf = 2 m (d) xi = 4 m, xf =

    asked on June 2, 2014
  16. chemistry

    Which best describes the transition from gas to liquid?

    asked on February 7, 2013
  17. algebra

    Please help me anybody Abby Garland is parked at a mile marker on an east -west country road.She decides to toss a fair coin 10 times ,each time driving 1 mile east if it lands heads up and 1 mile west if it lands up tails up. The term random walk applies

    asked on August 22, 2012
  18. History

    What’s brackobama’s last name

    asked on December 21, 2019
  19. Economics

    The public debt is the amount of money that A. Americans owe to foreigners. B. state and local governments owe to the federal government. C. the federal government owes to holders of U.S. securities. D. the federal government owes to taxpayers. I chose C

    asked on March 27, 2018
  20. precalculus

    Suppose f is an even function and g is an odd function such that the composition fog is defined.d show that fog is an even function

    asked on September 23, 2012
  21. Pre calculus

    give an example of two decreasing functions whose product is increasing

    asked on September 23, 2012
  22. 11th grade mths

    Please check urgently .I have to submit the assignment A give an example of a function whose domain equals the set of real numbers and whose range equals the set? the set {-1,0,1} BGive an example of a function whose domain equals (0,1)and whose range

    asked on September 18, 2012
  23. physics

    distinguish between impulse and momentum calculate the momentum of(a) themoon of mas 7×10kg travelling with a velocity of1•05m5-1 (b)a tanker of mass 7×10kgtrAvelling of 4m5-5

    asked on February 10, 2020
  24. chemistry

    In an experiment, 6.700g of hydrogen sulfide is fully decomposed into its elements.If 0.396g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?

    asked on July 27, 2013
  25. chemistry

    How many moles of O2 are produced when 0.300mol of KO2 reacts in this fashion?

    asked on July 27, 2013
  26. Precalculus

    give an example of two decreasing functions whose product is increasing

    asked on September 28, 2012
  27. Science

    According to chance, what fraction of their children will have dimples?

    asked on July 14, 2019
  28. english

    What information supports the idea that food should not be left out overnight?

    asked on May 15, 2019
  29. Math

    A recipe for 2 dozen cookies calls for 1 1/3 cups of flour how much flour would be needed to make 5 dozen cookies

    asked on January 14, 2017
  30. Algebra

    5x+3y=9x-7y I am having trouble in solving. My answer is ending in fractions. And do far I have gotten y=-1/7

    asked on January 11, 2017
  31. math

    natasha had 7/8 gallon of paint. her brother ivan took 1/4 gallon to paint his model boat. natasha needs at least 1/2 gallon to paint her bookshelf. did ivan leave her enough paint?

    asked on November 6, 2014
  32. physics

    If two stones projected from the same point with the same speed but at angles pi/3 and pi/6 respectively have their ranges R₁ and R₂ then a)R1=2R2 B)R1=R2 C)R1=5R2 D)R1=25R2

    asked on June 15, 2014
  33. Finance

    ABC Company is engaged in the manufacturing of electronic equipment. The Company has reported net loss for the year 2013 but its Cash Flow Statement is showing a positive net cash flow. Being a student of Business Finance, you are required to discuss

    asked on April 28, 2014
  34. Chemistry

    what mass in grams of sodium hydroxide is produced if 20.0g of sodium metal reacts with excess water according ro the chemical equation, Na(s)+H2O4->naoh(aq)+h2(g)

    asked on March 10, 2013
  35. physics

    a particle is travelling in a straight line with constant acceleration.it covers 6m in the fourth second and 7m in the fifth second.find its acceleration and initial speed.

    asked on February 13, 2013
  36. Linear algebra

    Show that the origin is the only equilibrium point of the system? X=ax+by Y=cx+dy Wherea,b,c and d are constants, with ad-bc not aqual to 0(zero) Please show me how to do this problem Please show me the work

    asked on October 11, 2012
  37. precalculus

    give an example of two increasing functions whose product is not increasing

    asked on September 22, 2012
  38. 11th grade maths

    A.give an example of a function whose domain is {3,4,7,9}? and whose range is {-1,0,3} B.Find two different functions whose domain is {3,8}and whose range is {-4,1} C Explain why there does not exist a function whose domain is {-1,0,3} and whose range is

    asked on September 17, 2012
  39. Physics

    A long cylindrical insulator has a uniform charge density of 1.0 #C/m3 and a radius of 9.0 cm. a) What is the electric field inside the insulator at a distance of 4 cm? b) What is the electric field at 17 cm? c) How much work must you do to bring a q =

    asked on March 10, 2012
  40. math/algebra

    three fourths = seven tenths = two thirds = eleven twentieths = five eights = twenty one twenty five =

    asked on February 29, 2012
  41. physics

    how do green plants produce food

    asked on December 13, 2009
  42. chemistry

    2. Imagine you have two beakers. Both beakers are filled with the same amount of water. The water in both beakers is the same temperature as well. You add 50 g of Substance A to the first beaker, and 50 g of Substance B to the second beaker. After stirring

    asked on October 22, 2009
  43. Statistics

    roll 2 standard dice and add the numbers. what is the probability of getting a number larger than 8 for the first time on the third roll?

    asked on April 14, 2020
  44. Math

    16. A survey of a random sample of voters shows that 52% plan to vote for the incumbent and 48% plan to vote for the challenger. The survey has a margin of error of pm5\% . What is the range for the percentage of voters who plan to vote for the incumbent?

    asked on December 13, 2019
  45. algebra

    evaluate 8c5

    asked on October 29, 2019
  46. math

    0.015*0.567/0.05*9.189 evaluate it in a standard form

    asked on October 6, 2019
  47. English

    Why did ali excitedly get ready for school?

    asked on September 12, 2019
  48. Science

    What fraction of the children should be homozygous smooth

    asked on July 14, 2019
  49. Maths

    2cosx=3^1/2

    asked on February 5, 2019
  50. chemistry

    120g of sodium hydroxide pellets dissolve in 800cm3 of its solution. Determine the mass concentration of the solution

    asked on October 13, 2018
  51. Science

    The density of aluminum is 2.7 the volume of a piece of aluminum if it mass 8.1 grams?

    asked on September 5, 2018
  52. art

    Which artistic value is least apparent in Mannerist paintings? A. Serptentine curves B. Dramatic lighting C. Elegance D. Refined style I think my answer is C

    asked on July 9, 2018
  53. Economics

    When most consumers and firms reduce spending only because they expect other consumers and firms to reduce spending, and a recession results, A. a self-correction has occurred. B. an adverse aggregate supply shock has occurred. C. a coordination failure

    asked on June 8, 2018
  54. Economics

    The international agency that lends money to developing countries for economic development projects is the A. World Credit Union. B. World Bank. C. International Monetary Fund (IMF). D. World Trade Organization (WTO). my answer is B

    asked on May 20, 2018
  55. physisc

    A force in the +x-direction with magnitude F(x)=18.0N−(0.530N/m)x is applied to a 7.40 kg box that is sitting on the horizontal, frictionless surface of a frozen lake. F(x) is the only horizontal force on the box.If the box is initially at rest at x=0,

    asked on March 25, 2018
  56. Physics

    A pendulum with a bob of mass 150 g has the same period as a thin rod (not massless) of the same mass and length 17 cm when the rod is pivoted about its end. What is the length of the pendulum?

    asked on December 10, 2017
  57. Physics

    Suppose a boy walks a displace of 3km east wards yo à point and then walks another 6km west wards what is his displacement from his starting point

    asked on October 28, 2017
  58. government

    Wtat is legitimate government? Outline any four features of legitimacy? What is simple majority sysyem? Outline four demeits of the system

    asked on April 12, 2017
  59. physic

    A particle of mass 10kg Move in a circular orbit of ratio 2cm with a linear velocity of 0.2m/s calculate the angular velocity, the frequency and the centripetal force

    asked on February 12, 2017
  60. Math

    determine the value(s) of k which the equation x^2+kx+9=0 will have a) two real roots b) 2 distinct roots I tried to find the discriminant but I didn't get the right answer.

    asked on October 2, 2016
  61. Maths

    A garden has a small rectangular lawn surrounded by a flower-bed of equal width. The lawn measures 5 metres by 12 metres and the flower-bed has a width of x metres. Write an expression for the area of the garden and flower-bed

    asked on May 29, 2016
  62. chemistry

    what is the mass of bromine contains the same number of atoms of 50.0 g of iodine? my work: 50g/79.5g= .628 mol(Br) 50g/126g=.394 mol(I)

    asked on November 4, 2015
  63. Chemistry

    How many kJ is released when 3.4 mol of water is frozen?

    asked on September 14, 2015
  64. economic

    which policy will be favorable for the consumers (buyer of the cars only) of Pakistan.

    asked on February 12, 2015
  65. Management

    which reason total earning of emoloyees decrease. while who worked more efficiently

    asked on December 2, 2014
  66. management

    why total earning of employee's job decrease while who worked more efficiently.

    asked on December 2, 2014
  67. math

    Find the maximum and minimum values of the given objective function on the indicated feasible region. M = 150 − x − y

    asked on November 17, 2014
  68. university of minnesota

    Find the maximum and minimum values of the given objective function on the indicated feasible region. M = 150 − x − y

    asked on November 17, 2014
  69. Math

    Joan ran for 2.25 hours burning 3075.5 calories per hour how many total calories does he burn

    asked on November 16, 2014
  70. Math (Word Problem)

    An open gift box is to be made from a square piece of material by cutting four-centimeter squares from the corners and turning up the sides. The volume of the finished box is to be 576 cubic centimeters. How to find the size of the original piece of

    asked on October 11, 2014
  71. english

    write a analogy paragraph "the process of reading a good book"

    asked on August 6, 2014
  72. physics

    If the change in the value of 'g ' at a height 'h ' above the surface of earth is the same as at a depth 'x ' below it. When both x and h are much smaller than the radius of the earth. The relation between x and h is?

    asked on June 18, 2014
  73. physics

    "a drag racing car starts from rest at t= 0 and moves along astraight line with velocity given by V = bt^2 where b isconstant. The expression for the distance traveled by this car from its position at t = 0 is a)bt^3 b)bt^3/3

    asked on June 4, 2014
  74. accounts

    People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least

    asked on May 3, 2014
  75. english

    which language is used to make comparisons in business communication

    asked on May 2, 2014
  76. accounts

    People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least

    asked on May 1, 2014
  77. microeconomics

    Market demand is given as QD = 200 – 3P. Market supply is given as QS = 2P + 100. Each identical firm has MC = 0.5Q and ATC = 0.25Q. What quantity of output will a typical firm produce? a.10 b.20 c.30 d.40

    asked on March 30, 2014
  78. math

    How business mathematics can help you in making decision about investment in a business.

    asked on February 17, 2014
  79. Nuclear Radiation Technology

    T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Someone please help me with this question.

    asked on February 3, 2014
  80. English

    Write a letter to the editor or a speech calling for a change that you would like to see in your community and reference the three works as evidence that non-violence and civil obedience are an effective method for affecting change Using these sources -

    asked on December 16, 2013
  81. english

    use these five words given below and write a essay 120 to 140 words 1.family 2 television 3 entertainment 4 mother 5 day time

    asked on December 10, 2013
  82. english

    Read the paragraph below and complete the cause-and-effect chart. Erosion is a natural process. During the erosion process, soil and rocks are worn away by the elements. Most erosion results from a combination of several factors, including heat, cold,

    asked on December 9, 2013
  83. math

    Suppose you are managing an account in which you deposit Rs. 20,000 at the end of each year for 20 years. How much amount you have accumulated with the assumption that you earn 5% interest compounded annually.

    asked on December 7, 2013
  84. math

    Ali needs to borrow Rs 500,000 for three years. Which of the following option is more beneficial for him? (i) 3.2 % simple interest rate (ii) 1.6% compound interest rate when it is compounded semi annually

    asked on December 7, 2013
  85. science physics

    arthur is riding a horse at a velocity of 4m/s. four seconds after, he is already traveling at a velocity of 12m/s. what is his acceleration

    asked on October 7, 2013
  86. chemistry

    3.1×10−2 Molarity MgSO4. Express your answer numerically using two significant figures.

    asked on July 26, 2013
  87. chemistry

    How many moles of HNO3 are present in 34.0 mL of a 4.70 M solution of nitric acid?

    asked on July 25, 2013
  88. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked on February 13, 2013
  89. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked on February 13, 2013
  90. physics

    a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.

    asked on February 13, 2013
  91. science

    a particle ia projected upward with a velocity of u m/s and after an interval of t(s) anoda particle is projected upward from the same point and wit the same initial velocity.proof dat they will meet at a height of (4u^2/8g-g^2t^2/8g)

    asked on February 13, 2013
  92. science

    a particle is projected vertically upward with the velocity u m/s and after t(s) another particle is projected upwards from the same point and with the same initial velocity. proof that the particle will meet after a lapes of (u/g + t/2)seconds from the

    asked on February 13, 2013
  93. science

    a particle moving in a straight line with constant acceleration passing over distances x,y,z in equal consecutive interval of time(t).find the relation between x,y and z..and the acceleration of the body.

    asked on February 13, 2013
  94. math6

    shaunti drove 621miles in 11.5 hours.wht was her average speed in miles per hour?

    asked on February 4, 2013
  95. math

    y= 2sin(2x-pi/4) find amplitude, period, phase shift, assymptote and graph

    asked on October 26, 2012
  96. Math

    1. What is a ratio? a. What is the difference between a ratio and a fraction? b. What are the similarities between ratios and fractions? c. Remember that order is important! d. How do you simplify ratios?

    asked on September 26, 2012
  97. precalculus check immediately

    suppoe f is a function with domain [1,3]and range[2,5]? define functions g and h by g(x)=3f(x)and h(x)=f(4x) what is domain and range of g what is domain and range of h I solved it and got it like this domainof g=[1,3]and range of g=[3,9] Domain of

    asked on September 24, 2012
  98. precalculus

    suppose the only information you know about a function f is that the domain of f? is the set of real numbers and that f f(1)=1,f(2)=4,f(3)=9,f(4)=16what can you say about the value of ,f(5). Hint the answer to this problem is not 25 the shortest correct

    asked on September 23, 2012
  99. precalculus

    Suppose g is an even function and f is any function such that the composition fog is defined. show that fog is an even function

    asked on September 23, 2012
  100. Precalculus plese check urgent

    Give an example of a function whose domain is{3,4,7,9} and? whose range is {-1,0,3} plese give me the trick of finding such functions Is this answer coreect the function must only consist of individual points: {(3, -1), (4, 0), (7, 3), (9, 0)} is an

    asked on September 23, 2012

Pages

  1. 1
  2. 2