Most popular questions and responses by CJ
  1. history

    Which is an example of literature produced to spread false and negative perceptions of Jews?

    asked on December 26, 2018
  2. math

    Bianca has a total of 25 cent. She has some nickels and pennies. How many different combinations of nickels and pennies could Bianca have?

    asked on October 27, 2014
  3. Science

    When are tides in the earth's oceans the highest

    asked on April 12, 2017
  4. Physics

    A 2.50g bullet, traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 270g (a) find the speed of the bullet/block combination immediately after the collision (b) how high does the combination rise above

    asked on March 2, 2007
  5. music

    it is common for a Baroque piece of music to? A: Slow down and speed up B: remain constant in tempo **** C: limit the amount of chords used D: be performed mainly on brass instruments. I chose B as my answer could someone please tell me if I am even close

    asked on January 29, 2018
  6. physics

    A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.80 x10^5pa. Assuming that the top and bottom surfaces of the cap each have an area of .0004M^2, obtain the magnitude of the force that the

    asked on April 8, 2007
  7. science

    how do layers b and d compare in age? if rock layers between b and d have eroded away,what is the boundary between b and d called

    asked on May 5, 2017
  8. Physics

    A bowling ball encounters a 0.76m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. If the translational speed of the ball is 3.80m/s at the

    asked on March 21, 2007
  9. physics

    a plane stops from 250 mph in 25 seconds. Calculate the planes acceleration

    asked on September 24, 2011
  10. math

    Explain why the simultaneous equations y=1/2x+2 and 2y-x:4 have an infinite number of solutions. What is diffrent about these equations compared with the equations in the first question ( the equations were y=2x+3 and 5y-10x=5)? What is similar? ( include

    asked on February 24, 2011
  11. Physical Science

    1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if

    asked on November 18, 2013
  12. AP Chemistry

    In the reaction below, 16 g of H2S with excess O2 produced 8 g of sulfur. ? H2S + ? O2 → ? S + ? H2O . What is the percent yield of sulfur? Answer in units of %

    asked on September 19, 2012
  13. math

    How are the real solutions of a quadratic equation related to the graph of the quadratic function?

    asked on October 29, 2015
  14. algebra 2

    A landscaper is designing a flower garden in the shape of a trapezoid. She wants the shorter base to be 3 yards greater than the height and the longer base to be 7 yards greater than the height. She wants the area to be 295 square yards. The situation is

    asked on October 21, 2015
  15. Chemistry

    What is the empirical formula for a molecule containing 52.20 grams manganese (Mn0 and 3.80 grams of Carbon (c)?

    asked on July 25, 2015
  16. US History

    Which of the following statements about the Platt Amendment is true? A - It guaranteed that Cuba would be independent by 1915. B - It prevented the United States from intervening in Cuban foreign affairs. C - It essentially made Cuba a U.S. protectorate. D

    asked on October 24, 2013
  17. calc2

    At what constant, continuous annual rate should you deposit money into an account if you want to have $1,000,000 in 25 years? The account earns 5% interest, compounded continuously. Round to the nearest dollar.

    asked on May 16, 2011
  18. Geometry

    Find the distance CD rounded to the nearest tenth. C=(7,-4) D=(-8,-5) CD=?

    asked on October 17, 2016
  19. Chemistry

    "How many grams of the precipitate will form if 25.5 mL of 4.5 M solution of lead (II) nitrate is allowed to react with 35.5 mL of 3.0 M solution of potassium chloride? What is the concentration of the excess reactant after the reaction has reached

    asked on February 9, 2017
  20. Solid Mensuration

    A closed cylindrical container 10 feet in height and 4 feet in diameter contains water with depth of 3 feet and 5 inches. What would be the level of the water when the tank is lying in horizontal position?

    asked on April 27, 2016
  21. math

    If a polynomial equation p(x)=0 has 3+4i as a solution 3-i 4-3i 4+3i 3-4i

    asked on January 11, 2016
  22. physics

    One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a

    asked on July 16, 2013
  23. computer

    You are having problems on your Windows 7 computer and you pull up Device Manager to see if there are any alerts. Two of your devices have yellow exclamation points over them. What does this most likely indicate? A. A missing driver B. A disabled device C.

    asked on January 19, 2016
  24. Physical Science

    5. What reactions occurs when a solution of hydrochloric acid, HCl, is mixed with a solution of calcium hydroxide, Ca(OH)2? (A) Cl + Ca(OH) --> HCa + Cl(OH)2 (B) HCl + Ca(OH)2 --> H(OH)2 + CaCl (C) 2HCl + Ca(OH)2 --> 2H2O + CaCl2 (D) 2HCl + Ca(OH)2 -->

    asked on October 16, 2013
  25. finance management

    John Roberts has $42,180.53 in a brokerage account, and he plans to contribute an addtional $5,000.00 to the account at the end of the year. the brokerage account has an expected annual return of 12%. If John's goal is to accumulate $250,000.00 in the

    asked on January 10, 2008
  26. u.s. history

    11. Explain two ways in which sectionalism caused conflict or tension in the United States during the early 1800s. Then explain how sectionalism affects economics and politics in the United States today. (10 points)

    asked on September 1, 2015
  27. Chemistry

    Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate?

    asked on October 18, 2014
  28. L.A.

    Why should you avoid writing about too many events in a personal narrative? A.to avoid overwhelming the reader with too much info. B.to help you, the writer, stay on topic. C.to allow your self, the writer, room to add many details and descriptions. D. all

    asked on October 3, 2016
  29. math

    how do you write one third the volume of the pool as an expression

    asked on July 17, 2012
  30. Chemistry

    Silver chromate may be prepared by the following reaction. 2 AgNO3(aq) + K2CrO4(aq)  Ag2CrO4(s) + 2 KNO3(aq) Calculate the mass of silver chromate produced when 0.623 L of 1.345 M silver nitrate is reacted with 245 mL of 1.89 M potassium chromate.

    asked on October 2, 2014
  31. chemistry

    Calculate the amount of heat required to completely sublime 76.0g of solid dry ice (CO2) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.

    asked on September 1, 2013
  32. Maths

    The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice

    asked on February 14, 2016
  33. math

    How are the real solutions of a quadratic equation related to the graph of the quadratic function?

    asked on October 27, 2015
  34. pre-calculus

    find the inverse of this function: y=log(p)+6

    asked on April 24, 2019
  35. Math

    When a number is a multiple of 6, what are the possible values for the ones digit?

    asked on December 3, 2014
  36. math

    A store offers a 15% discount on all items in the store during a sale. All store employees get an additional 10% employee discount. In the equation below, C represents the cost of an item for an employee including tax, and x represents the original price

    asked on October 12, 2011
  37. Finance

    The most recent financial statements for Retro Machine, Inc., follow. Sales for 2010 are projected to grow by 20 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses,

    asked on March 20, 2013
  38. Physics

    A woman stands at the center of a platform. The woman and the platform rotate with an angular speed of 4.00 rad/s. Friction is negligible. Her arms are outstreched, and she is holding a dumbbell in each hand. In this position the total moment of inertia of

    asked on March 21, 2007
  39. Physical Science

    17. Why can't carbon-14 be used to determine the age of fossils that are several hundred thousand years old? Please and thank you!

    asked on November 12, 2013
  40. physics

    Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave

    asked on April 22, 2010
  41. precalculus

    find f(7) for: f(x)=square root(x)+5 if x>5 f(x)=6 if x

    asked on April 6, 2019
  42. pre calculus

    find rate of change for p^4-3p^3+500

    asked on November 4, 2018
  43. World History

    Even though Robespierre was not a defender of women's equality in France, how are his and Etta Pal d'Aelders's arguments similar? When might Sieyes claim that women would be eligible for the equal rights that Etta Palm d'Aelders states that they rightfully

    asked on October 21, 2013
  44. science

    Follow on the Sall Sue question earlier. What frequency would be required for sally and her cheerful and hard-wroking partner to produce the standing wave with three nodes. Identify the steps.

    asked on April 23, 2010
  45. Physics

    A wave traveling in the +x direction has an amplitude of 0.50 m, a speed of 5.7 m/s, and a frequency of 18 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) please

    asked on May 1, 2007
  46. u.s. history

    Use the quote below to answer the following question. “[T]hese Powers . . . are so distributed among the Legislative, Executive, and Judicial Branches, into which the general Government is arranged, that it can never be in danger of degenerating into a

    asked on August 24, 2015
  47. Algebra 1

    4. Two consultants were hired by a company. The total consultant fees were $18,500. If one consultant had earned $500 less, each consultant would have been paid the same. How much was each consultant paid? 6. Five cars in a race all finished within 8

    asked on October 28, 2013
  48. Chemistry

    A star is estimated to have a mass of 1 ✕ 1036 kg. Assuming it to be a sphere of average radius 7.0 105 km, calculate the average density of the star in units of grams per cubic centimeter. round to the correct number of significant figures.

    asked on September 22, 2017
  49. Physics

    A penguin has a mass of 13 kg. The penguin slides over the ice for a distance of 50.7 m in 1.7 s before coming to a complete stop. The penguin uniformly accelerates during the entire time period. What is the net force exerted on the penguin?

    asked on February 8, 2016
  50. Physics

    The warranty on a new tire says that an automobile can travel for a distance of 92,000km before the tire wears out. The radius of the tire is 0.33m. How many revolutions does the tire make before wearing out? hello CJ I think we are in the same class. I

    asked on March 14, 2007
  51. Chemistry

    I need help with this problem: 50.0 mL of 4.4 g/L AgNO3 is added to a coffee-cup calorimeter containing 50.0 mL of 4.4 g/L NaI, with both solutions at 25°C. a).What is ΔTsoln (assume the volumes are additive and the solution has the density and

    asked on October 13, 2008
  52. check my work

    8. Which of the following is a successful result of the Reconstruction? (1 point) states could limit voting rights in elections more African Americans could go to school segregation kept the races apart or separate sharecropping helped poor blacks own land

    asked on September 2, 2015
  53. Algebra

    I need this answer in Scientific Notation please help 7.74x10^-4

    asked on August 18, 2011
  54. physics

    lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.240 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.300 kg cup of coffee. Obtain the force

    asked on March 28, 2007
  55. Physics

    A ceiling fan has two different angular speed settings: 1 = 475 rev/min and 2 = 170 rev/min. What is the ratio a1/a2 of the centripetal accelerations of a given point on a fan blade? Centripetal acceleration at a distance R and angular speed w is a = R

    asked on March 15, 2007
  56. Precalc

    What are two ways to evaluate end behavior of polynomials?

    asked on April 2, 2019
  57. math

    Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 2 plants in some rows and 1 plant in the others. How many different ways can she plant the tomato plants?

    asked on October 27, 2014
  58. Physical Science

    Describe convection in a room heated by a radiator.

    asked on March 8, 2014
  59. economics

    Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave

    asked on April 22, 2010
  60. Physics repost please check

    A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.80 x10^5pa. Assuming that the top and bottom surfaces of the cap each have an area of .0004M^2, obtain the magnitude of the force that the

    asked on April 9, 2007
  61. geometry

    Gerrad is a painter. he is using a canvas that is in the shape of a regular hexagon. The perimeter of the canvas is 78 in. The perpendicular distance from a side to the center is 11 in. to the nearest inch. Based on these measurements, what is area of the

    asked on December 4, 2011

    Three masses are arranged in the (x,y) plane. The X and Y units are meters 4kg at (-1,5 3kg at (1,1) 5kg at (0,0) What is the magnitude of theresulting force on the 5kg mass at the origin? The universal gravitational constant is 6.673e-11 N*m^2/kg^2.

    asked on November 12, 2010
  63. chemistry

    A 2.85 g sample of an unknown chlorofluorocarbon is decomposed and produces 558 mL of chlorine gas at a pressure of 756 mmHg and a temperature of 298 K.What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?

    asked on November 8, 2010
  64. algebra 1(Polynomials)

    Simplify: (5x2y3z)(6xyz2)

    asked on March 11, 2008
  65. Math

    How to solve 13.28 divided by 3

    asked on August 23, 2016
  66. Trigonometry/ Please Help

    The average temperature, in °F, of City B is given by the equation:y=19.5sin(pi/6t-2.06)+62 , where t is the time in months and t = 1 corresponds to January. What is the average temperature in April? Round your answer to the nearest hundredth.

    asked on January 13, 2011
  67. Math/Trig

    Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest tenth.

    asked on January 12, 2011
  68. finance management

    If you deposit money into your account that pays 6.5% interest, how long will it take for you to double your money?

    asked on January 10, 2008
  69. u.s. history

    Why does George Washington support the Constitution? To what does “a Constitutional door is left open” refer?

    asked on August 24, 2015
  70. Chemistry

    Aluminum oxide is formed by reaction of excess oxygen with aluminum. 4 Al(s) + 3 O2(g) -> 2 Al2O3(s) Calculate the mass of aluminum required to form 18.2 kg of aluminum oxide if the reaction has a percent yield of 83.4%.

    asked on October 2, 2014
  71. Chemistry AP

    What are the concentrations of benzoic acid and sodium benzoate in a solution that is buffered with a pH of 4.55 and has a freezing point of -2.0 degrees Celsius? (assume complete dissociation and a density of 1.01g/mL for the solution.)

    asked on February 5, 2014
  72. Physics, still don't get it!

    Good morning. I know I have posted this question several times but I am still getting the wrong answer. So I decided to repost it to get a fresh start. Thanks for your help! A glass bottle of soda is sealed with a screw cap. The absolute pressure of the

    asked on April 10, 2007
  73. Physics

    A rotating door is made from four rectangular glass panes. The mass of each pane is 90kg. A person pushes on the outer edge of one pane with a force of F=70N that is directed perpendicular to the pane. Determine the magnitude of the door's angular

    asked on March 24, 2007
  74. Math

    Explain how knowing that 5 divided by 8 = 0.625 helps you the decimal for 4 5/8.

    asked on September 8, 2015
  75. math

    Two coworkers picked up some writing instruments at the office supply store. Shane selected 3boxes of pencils and 1box of pens, paying $8. Terrell spent $6 on 1box of pencils and 1box of pens. What's the equation for shanes total cost? Equation for Terrell

    asked on January 27, 2015
  76. AP Chemistry

    For the reaction ? ZnS + ? O2 →? ZnO+? SO2 , what is the maximum amount of ZnO which could be formed from 14.06 g of ZnS and 5.56 mol of O2? Answer in units of g

    asked on September 19, 2012
  77. geometry

    the sum of the measures of an obtuse angle and acute angle is 12 degrees.the complement of the acute angle and one-half the suplement of the obtuse angle is 75 degree.find the measures of the two angles.

    asked on July 14, 2012
  78. Geometry

    If the length of the sides of two similar triangles are in the ratio 3:4, what is the ratio of the lengths of a pair of corresponding altitudes? What is the ratio of their perimeter?

    asked on April 28, 2012
  79. Statistics

    A Today/CNN/Gallup Poll of 1015 adults found that 13% approved of the job Congress was doing in 1995. Find the 95% confidence interval of the true proportion of adults who feel this way.

    asked on April 8, 2015
  80. math

    Jeff wants to start a lawn maintenance service to earn money for college. He wants to charge $25 for a small lawn and $35 for a large one. It takes him an average of 2 hours to mow and trim a small lawn and 3 hours to do a large one. He wants to make at

    asked on May 9, 2012
  81. calculus

    I was doing calc hw and I am stuck on a part of a question. =(1/10)-(x/15sqrt(x^2-9)) I am supposed to put this equation equal to 0 and solve for x. The answer is 9/sqrt(5) but I don't understand how the answer comes out to be 9/sqrt(5). Please help. Thank

    asked on February 25, 2012
  82. Math/Trig

    Solve: 2 sin x - 1 = 0 for 0 degrees is less than or equal to x is less than 360 degrees.

    asked on January 20, 2011
  83. Math/Trig

    Find the angular velocity of an object, rotating on a circular object, moving through 9.7 revolutions in 11 seconds. Express your answer in rad/sec and round your answer to the nearest tenth.

    asked on January 14, 2011
  84. Math/Trig

    The following is a table for the maximum temperature per month, for Boulder, CO Month|° F Jan:45.1 Feb:48.2 Mar:53.8 Apr:62.8 June:71.6 July:81.5 Aug:85.1 Sept:76.6 Oct:66.7 Nov:52.9 Dec45.5 Find the sinusoidal function that models this data. How do I do

    asked on January 14, 2011
  85. Trigonometry

    Using the same equation from problem 1, what is the average temperature in Atlanta, GA, for the month of June? equation from #1 is y = 18.25 sin(pi/6 t - 2.09) + 61.15 where t is the time in months and January is t = 1.

    asked on January 14, 2011
  86. physics

    A water bed has dimensions of 1.83mx1.86mx.238m. The floor of the bed room will tolerate an additional weight of no more than 6660N. Find the weight of the water in the bed and determine whether it should be purchased. The weight of the water in the water

    asked on April 7, 2007
  87. ap history

    what did the great awakening, intercolonial trade and the rise of the colonial assemblies have in common? Please note that we don't do students' homework for them. Once you have come up with your response, please repost, and someone here will be happy to

    asked on March 20, 2007
  88. statistics

    Consider the events of drawing an ace, then draw another ace, followed by a queen, one at a time without replacement (from a standard deck of cards). What is the probability of drawing an ace, then another ace, then a queen? please show explanation

    asked on August 12, 2015
  89. Chemistry

    The synthesis of zinc iodide was performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodide in grams.

    asked on October 7, 2014
  90. art

    1. In Judith Leyster’s paintings she used contrast. What is contrast? 2.Looking at van Gogh’s painting “The Olive Tree”: What season of the year do you think the colors suggest? Question 3. One of Pablo Picasso’s styles was cubism. What does

    asked on May 16, 2012
  91. Math/Trig

    The average temperature, in °F, for Atlanta, GA is modeled by the sinusoidal function y = 18.25 sin(pi/6 t - 2.09) + 61.15 where t is the time in months and January is t = 1. What is the average temperature for the month of February? How do I do this

    asked on January 14, 2011
  92. Trigonometry/ Please Help

    Given sine of alpha=2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions.

    asked on January 13, 2011
  93. Math/Trigonometry

    Find the exact value of cosθ if sinθ=-2/3, and θis in standard position with its terminal side in Quadrant IV.

    asked on January 13, 2011
  94. financial management

    suppose you purchase a home for $150,000.and obtain a 90% mortgage loan, 30 yr. maturity, at a fixed annual interest rate of 80% with deferred monthly payments. What is the monthly payment for principal and interest on this loan?

    asked on January 13, 2008
  95. HUM 130

    What events and figures have shaped the development of Islam in the United States? These sites explain how Islam has developed in the U.S. http://www.islam101.com/history/population2_usa.html http://en.wikipedia.org/wiki/Islam_in_the_United_States

    asked on May 30, 2007
  96. Physics

    A skier wears a jacket filled with goose down that is 15mm thick. Another skier wears a wool sweater that is 7.0mm thick. Both have the same surface area. Assuming the temperature difference between the inner and outer surfaces of each garment is the same,

    asked on April 13, 2007
  97. Physics

    an automobile tire has a radius of 0.350M, and its center forward with a liner speed of v=13.0m/s. (a) Determine the angular speed of the wheel. (Assume that there is no slipping of the surfaces in contact during the rolling motion.) (b) Relative to the

    asked on March 14, 2007
  98. physics

    A first capacitor is initially connected to potential source ?. The charged capacitor is then removed from the source and connected to a second initially uncharged capacitor. Determine the final potential across the first capacitor long after the switch is

    asked on February 28, 2014
  99. US History

    Do the philosophies of laissez-faire and survival of the fittest explain why John D. Rockefeller succeeded in Cleveland, and was his success good for the oil industry and the American consumer? Any information would be greatly appreciated, please and thank

    asked on January 9, 2014
  100. st joseph school

    when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=-10 /t-8/ + 80 where t is time. Find the time , t, it takes

    asked on March 17, 2013


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