Questions Asked on
April 8, 2018

  1. math

    At midnight the temperature was 21°c. Two hours later it was 3° colder. What was the temperature then

    asked by Anonymous
  2. Chemistry

    Calculate molarity 9.8g r 500 ml

    asked by Sara
  3. physics

    what is the unit for translational speed? is it the same as m/s or different?

    asked by Anonymous
  4. Calculus

    Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find

    asked by Tim
  5. physics

    What does Vcm mean?

    asked by Anonymous
  6. physics

    If you dropped the ball, cylinder and the ring at the same time from a height of 6.35 cm, in what order would the hit the ground?

    asked by Anonymous
  7. Math

    The values of 4+(1/4+(1/4+1/4+..upto infinity... I don't know how to type that fraction . I have taken a photo and uploaded here. ibb[dot]co/fLqhxH Please help me in solving

    asked by Venki
  8. Science

    A label on a 500ml Dettol bottle,indicated chloroxylenol is 4.8g/100ml.his many molecules of chloroxylenol are in 25cm3of dettol?

    asked by Prudence
  9. math

    How many rectangles can you find with an area of 32?

    asked by Yota
  10. Math, Finanace

    Your annual salary 12 years ago was $14,500; it is now $25,000. What is the average annual rate of increase?

    asked by Heyhi
  11. Inverse trigonometry

    Solve the equation tan^-1(under rootx^2+x)+sin^-1(under rootx^2+x+1)=pi/2 Where tan^-1 inverse of tan

    asked by Ash
  12. Chem - Redox rxn

    Just wanna make sure, if i did it correct or not. Cl2 + 2NaBr --> Br2 + 2NaCl (0)---(+1)--(-1)---(0)------(+1)(-1) So Cl2 loss = oxidation Br2 Gain = Reduction Am I correct ? Thanks

    asked by K
  13. Science

    1.How much heat is absorbed by a 63g iron skillet when its temperature rises from 12oC to 30oC? 2.How much heat is needed to raise the temperature of 5g of water by 15oC?

    asked by Arianne
  14. Inverse trigonometry

    Prove that- tan^-1(1/2tan 2A)+tan^-1(cotA)+tan^-1(cot^3A) ={0,ifpi/4

    asked by Ash
  15. Business calculations

    Troy juth wants to purchase new dive equipment for Underwater connection, his retail store in Colorado springs. He was offered a $62,000 At 6% for 72 months. What's is his monthly payment by formula?

    asked by Anonymous
  16. chemistry

    a student accidentally mixed sodium carbonate an calcium carbonate. state how he would obtain pure sodium carbonate from the mixture

    asked by james
  17. Science

    I'm something really important for without me you cannot enjoy slumber and stay stranded wherever you are. It's easy to find me if you know the hottest place of your parents' abode.

    asked by Anonymous mary
  18. Science

    Plz help me plot on graph and also the solution. Q. When velocity is 20 m/s time is 0 and velocity 20 m/s time is 5 sec, velocity 10 m/sec time 7 sec, velocity 20 m/sec time 10 sec and velocity 0 time 15 sec. Calculate total distance showing each step and

    asked by Deepak
  19. Finance Math

    1. Your average daily balance on your charge card for the month of July is $855.28. If your card carries an annual interest rate of 15.4%, what will your finance charge be for July? 2. You buy a car from your neighbor at a price of $9,000. You pay $500

    asked by Heyhi
  20. MATH

    ratio of rate of diffusion of O2 and CH4

    asked by ANI
  21. Math

    A parabola has intercepts of x = -2, x = 3, and y = -4 how do I write this into these forms: the intercept form (y = a (x – m)(x – n)) and in standard (y = ax2 + bx + c) form

    asked by Anonymous
  22. math

    the moon travels about 1.42 * 10^7 meters of its orbit in one twenty-four hour period. which of the following is the most reasonable estimate for the distance the moon travels around the earth in 27 days?

    asked by jas
  23. Geometry

    A cone with a radius of 3 cm, and a volume of 900cm. The height is 95.493cm? how is the volume affected if the height is doubled, and how is it affected if the radius is doubled?

    asked by Anonymous
  24. Algebra

    x + 3y = 3 true or false? (9, -2) is a solution for this function

    asked by Anonymous
  25. Math

    Residents of a small city voted on whether to allow a developer to build a shopping center. The number of voters in favor of the shopping center was 4,400. The number of voters against the shopping center was 17,600. What percent of voters were in favor of

    asked by Anita
  26. math

    Find the area of the figure. Round to the nearest tenth if necessary. T(-1,8), U(3,5), V(4,0), R(-3,0), S(-3,5)

    asked by Jonah
  27. math

    Find the area of the figure. Round to the nearest tenth if necessary. D(0,2), E(4, -2), F(8,2) instead of d and f connecting with a straight line, they are connected with half a circle/curve The highest point this semicircle part reaches is (4,6)...if im

    asked by Jonah
  28. Math

    What is the solution set for the quadratic equation x^2 + 6x = -5? I’m honestly confused and don’t know what to do. I don’t think the answer could be F {1} or J {-5} because it says sets. Which leaves me with G {-1,-5} and H{1,5}. Help?

    asked by Anonymous
  29. math

    kevin correctly answered 75% of 32 questions . how many questions did kevin answer correclty

    asked by quayon
  30. debate with former classmate about teaching

    What percentage of teachers in the U.S.A. live above versus below federal poverty line?

    asked by Boris
  31. Math/Algebra

    The equation ​ yˆ=−6.2x2+41.5x−5.6 ​ approximates the average number of cars that pass through an intersection x hours after 3:00 p.m. What is the best estimate for the average number of cars that pass through the intersection at 5:30 p.m.? a. 35

    asked by Jessica
  32. Math/Algebra

    On Dolphin Beach, the high tide is 2.2 meters and only occurs at 12 a.m. and 12 p.m. The low tide is 1 meter and only occurs at 6 a.m. and 6 p.m. Which function models the height of the tide t hours after 12 a.m.? a. h(t)=0.6cos(πt/6)+1.6* b.

    asked by Jessica
  33. Math/Algebra

    Let p(x)=90/9+50e ^ −x . What is p(5) ?

    asked by Jessica
  34. Math/Algebra

    The graph of f(x)=sin(x) is transformed into a new function, g(x) , by compressing it vertically by a factor of 1/2 and shifting it 3 units down. What is the equation of the new function g(x) ?

    asked by Jessica
  35. math

    Please people i need your help whoever knows# Mrs Ally went to the market with sh.10,000 to buy the following items; 5 kg of rice @ sh. 600, 2 kg of meat @ sh. 2000, 2 heaps of onions @ sh. 150, 2 kg of sardines @ sh.700 and bus fare sh. 300 @ journey. How

    asked by kelvin
  36. math

    .The graph of f(x)=cos(x) is transformed to a new function, g(x) , by stretching it horizontally by a factor of 4 and shifting it 1 unit up. What is the equation of the new function g(x) ?

    asked by Mason
  37. math

    .In the function f(x), x is replaced with 2x and 1 is added to the function. f(x)=−3sinx What effect does this have on the graph of the function? a. The graph is horizontally compressed by a factor of 2 and shifts up 1 unit b. The graph is horizontally

    asked by Mason
  38. math

    .Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

    asked by Mason
  39. PSHE

    Write a 500 word essay on "What is something that you find fascinating and interested in exploring?"

    asked by Brandon
  40. Algebra I

    Simplify -11 the square root of 112

    asked by Anonymous
  41. Algebra I

    Simplify the square root of 363 - 3 the square root of 27

    asked by Anonymous
  42. Math

    f(x)=-2sqrt{-x+4} find f-1(x), restricting its domain so that f(x) is truly its inverse.

    asked by Anonymous
  43. Math

    Write a sine equation to represent y=-2cos(4x-pi)+2

    asked by Anonymous
  44. Math

    Mark borrowed $200 at 12% compound interest for two years. If he makes no payments. How much interest will he owe at the end of the second year? A $48.00 B $50.88 C $26.88 D $24.00***

    asked by Ben
  45. Geomtry

    The border of a square game board is 3 inches wider than the main board. The total area of the game board is 196 in.^2 what are the dimensions of the game board and the main board?

    asked by Anonymous
  46. Math

    Solve for theta: cos2theta=1/2

    asked by Anonymous
  47. Algebra I

    What are the domain and range of the function y= 2 the square root of (3x+4) - 5

    asked by Anonymous
  48. Calculus

    Solve for x: 64^x * 8^(2x-1) = 16^(x-1)

    asked by Anonymous
  49. Chemistry

    CH4 + Cl2 → CH4Cl + HCl Is this a double replacement reaction? I believe it is but am not entirely sure.

    asked by Summer
  50. Finance Math

    Jennifer just turned 23 and can save $500 per quarter, starting in three months. If Jennifer can earn 7% compounded quarterly, what age will she be when she accumulates $1,000,000?

    asked by Heyhi
  51. Finance Math

    In 4 years, your son will be entering college and you would like to help financially. You decide to create a college fund and make four annual deposits, starting now. In four years, you would like your son to be able to make four annual withdrawals of

    asked by Heyhi
  52. University Orgo Chem EMERGENCY

    How can we add a methoxy group to a benzoic acid? At the meta position. My thought process: Use friedel craft alkylation and add a CHO and then convert to hydroxyl and use CH3-I to get methoxy, but then theres an extra carbon at the meta position...

    asked by James from UCLA
  53. math

    Is tan(90-theta) the same as tan(theta)???

    asked by maath
  54. chemistry

    When 100ml of Hg(NO3)2 (aq) fully reacted with Na2S (s), 1g of HgS was producted. In this situation, how much is the molarity of Hg(NO3)??

    asked by Rov.
  55. math

    Owen and Ethan have $175 together. How much money does each of them have if Ethan has $33 more than Owen?

    asked by sylvia
  56. Algebra

    with the polynomial: 2x^2 + 7x - 15 = 0 do these apply? There are 2 real roots. There are 2 irrational roots.

    asked by Anonymous
  57. Financial math

    A five-year loan of $25,000 at 7.2% compounded quarterly requires quarterly payments. (Round your answer to 2 decimal places.) a. Calculate the interest component of Payment 10. Interest component $ b. Calculate the principal component of Payment 13.

    asked by Giuseppe
  58. English

    What do you think the title, "The Great Gatsby," means? Is Gatsby “great”? Why or why not?

    asked by Mac
  59. Math

    Select all possible values for x in the equation. x cubed=375. 5*the cubed root of 3 the cubed root of 375 75*the cubed root of 5 125*the cubed root of 3 I am trying to do a practice test to prepare for my real test tomorrow and I don't understand the

    asked by Oof
  60. social studies

    The first European colony in the Americas to gain independence was? A) Mexico B)Cuba C)Haiti D)Brazil I think B Thanks

    asked by Jamie M
  61. science

    Write the chemical formula for cornstarch + heat = Dextrin + water. I know that the formula for cornstarch is C27H48O20 The formula for Dextrin is C6H10O5. I also have to balance the equation

    asked by Kelley
  62. Chemistry

    At 65C,a sample of ammonia gas exerts a pressure of 10.2 atm..Calculate the pressure when the volume of gas is reduced to one tenth of the original value at the same temperature.Assume ammonia gas is an ideal gas

    asked by Arisha
  63. MATH- APR of a loan

    The owner of an automobile repair center purchased new electronic diagnostic equipment for $12,000. He paid down and then paid 60 monthly payments of $242.81. Determine the APR of the loan to the nearest one-half of a percent.

    asked by Amanda
  64. Finance Math

    You buy furniture for $700. The retailer finances the entire amount for one year and says you will be charged 9% interest. The retailer uses the add-on method. Assuming your first monthly payment is due in one month, calculate the real annual rate you will

    asked by Heyhi
  65. English

    1. At a gift shop, we can buy a teddy bear, right? Do you use 'present shop' instead of 'gift shop'?

    asked by rfvv
  66. History

    Which identifies an argument that the Nazis used to claim that the Weimar government was weak? the weimar government followed a democratic process to govern. the weimar government refused to pay any of its war reparations. the weimar government formed a

    asked by Michael
  67. Physics

    The critical angle is the angle at which a ray of light is no longer refracted but completely reflected. True False

    asked by Bob
  68. Physics

    If light travels through a medium at a speed of 1.987 x 10^8 m/s, what is the index of refraction of the medium? * 1.33 1.36 1.51 1.53

    asked by Richard
  69. Physics

    A ray of light perpendicular to a medium produces a refracted ray measuring 45º. * True False

    asked by Bruh
  70. Calculus

    In the case of a decreasing, concave down parabola in the intervals 0 to 1 with all of the y values positive, would the actual area be less or more than the estimated area using the trapezoid rule? And would it be less or more than using the midpoint rule?

    asked by Kait
  71. Physics

    A ray of light perpendicular to a medium produces a refracted ray measuring 45º. * True False

    asked by Lance
  72. ELA

    Jason was looking for a tangible reward for his excellent job performance a. able to be created b. able to be located c. able to be touched**** d. able to be preserved

    asked by Anonymous
  73. politics

    1.The elites in a society: a.are those with college degrees. b.must be locally elected officials. c.are software designers and computer engineers. d.are the people who get a disproportionately large part of the society's valued resources. D ?

    asked by bev
  74. politics

    2.Which of the following was not an influence on the Framers? a.Plato's Republic b.the Magna Carta c.John Locke's Second Treatise on Government d.the Mayflower Compact A?

    asked by bev
  75. Math

    If r = 3, p = 4, and m = 2, what is g? m^2 = ^8sqrt rp/g^2

    asked by Anonymous
  76. politics

    3.The Federalists favored a __________ central government to curb the power of the common people and of the states. a.stronger b.weaker c.neutral d.none of the above A?

    asked by bev
  77. politics

    5.These rights have been extended to state criminal trials and to other settings, such as educational and social service hearings. a.Rights of Free Speech b.Civil Rights c.Due Process Rights d.Civil Liberties C?

    asked by bev
  78. politics

    6.The number of total congressional employees is close to: a.35000 b.5000 c.25000 d.15000 D?

    asked by bev
  79. politics

    7.The case of __________ helped to reinforce the doctrine of "national supremacy." a.Plessy v. Ferguson b.McCullough v. Maryland c.Marbury v. Madison d.Dred Scott v. Sandford B?

    asked by bev
  80. politics

    8.Among major American metropolitan areas, only __________ has three separately owned daily newspapers. a.New York City b.Chicago c.San Francisco d.Boston A?

    asked by bev
  81. politics

    9.Use of the Internet for grassroots organizing, political commentary, and fund-raising has become a standard due to developments in the __________ presidential campaigns. a.1996 b..2000 c.2004 d.2008 A?

    asked by bev
  82. politics

    10.In the pluralist model, bargaining among groups is carried on by: a.one leader. b.few leaders. c.many leaders. d.voting. B?

    asked by bev
  83. chemistry

    Fe(OH)3 = Fe(OH)2 + H2O2 What is the oxidizer and reducer? Is the oxidizer Fe(OH)3 I'm know sure about the reducer

    asked by Anonymous
  84. chemistry

    does a higher amount of activation energy mean a reaction will be spontaneous? What about a lower ?

    asked by Anonymous
  85. physics

    Bruce the Shark, is swimming very fast, at a constant velocity of 5 m/s. Bruce has a mass of 738 kg and is able to generate a force of 15 N with his tail. Calculate the pmomentum, in kg*m/s of this large shark. answer please

    asked by Anonymous
  86. Physics

    A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve. answer please

    asked by Anonymous