Gina

Most popular questions and responses by Gina
  1. English

    I have to write a research proposal for english! Here is what's written: Review your final research proposal draft one last time. Make sure that your topic focuses on some cultural aspect of one of the countries (Turkey, Armenia, Iraq, India, or Sri

    asked on May 19, 2017
  2. Geometry/Trig

    In triangle ABC, A is a right angle, and m b=45 degrees. What is the length of BC? If your answer is not an integer, leave it in simplest radical form. a. 16 ft b. 16 sq 2 ft c. 16 sq 3 ft d. 32 ft I'm really confused as to how to do this... Could someone

    asked on May 3, 2016
  3. English

    In Romeo and Juliet, which of the following illustrates Shakespeare's use of comic relief? A) A servant explains to Capulet that cooks should lick their own fingers. B) Capulet believes that Juliet is dead when she is really only sleeping. C) "Honest good

    asked on April 3, 2016
  4. Science

    Radioactive carbon-14 dating has determined that a fossil is 5.7 x 10 to the third power years old. What is the total amount of the original Carbon-14 still present in the fossil?

    asked on March 24, 2010
  5. Chemistry

    A 22.5 gram sample of ammonium carbonate contains ? mol of ammonium ions?

    asked on December 8, 2010
  6. math

    How much money must be invested at 6.3 % simple interest to earn $250 in interest each month?

    asked on April 17, 2015
  7. Chemistry

    1.) Explain the similarity between Mg(OH)2 and Zn(OH)2 in particular why would any insoluble hydroxide tend to dissolve in an acidic solution? Are they both bases? 2.) Explain the difference in particular how does Mg^+2 appear to form complex ions with

    asked on March 20, 2015
  8. ghemistry

    which indicator is more reliable in the titration of H3PO4 with NaOH using methyl orange and phenolphthalein as indicators

    asked on September 26, 2010
  9. physics

    A single conservative force acts on a 5.00 kg particle. The equation Fx = (2x + 4) N describes this force, where x is in meters. As the particle moves along the x axis from x = 1.40 m to x = 7.00 m, calculate the following.

    asked on February 23, 2010
  10. Chemistry

    When 6.25grams of pure iron are allowed to react with oxygen, a black oxide forms. If the products weighs 8.15g, what is empirical formula of the oxide?

    asked on October 22, 2014
  11. English!!

    18. The author of “Hip­Hop Planet” uses the image of the candy box with a ribbon tied around it to describe the highways of Dayton, Ohio because (1 point) it shows how quickly hip­hop music commercialized. the character of Henry really likes candy.

    asked on December 13, 2016
  12. chemistry

    A gas has a volume of 590 mL At a temperature of -55.0 degrees celsius. What volume will the gas occupy at 30.0 degrees celsius? show your work. I'm just confused as to how to start this and the steps required. I'm not asking for an answer, but rather some

    asked on March 8, 2018
  13. Calculus

    Find the degree 3 Taylor polynomial approximation to the function f(x)=8ln(sec(x)) about the point a=0 .

    asked on November 11, 2014
  14. CHEMISTRY

    A student combusted 0.500g of purified aluminum power with excess oxygen in an oxygen atmosphere according to the reaction, 4Al(s) + 3O2(g)= 2Al2O3(s) A) What is the limiting reactant? B) How many moles of Al were used? C) How many moles of Al2O3 would

    asked on October 29, 2014
  15. science

    is paper towel a conductor or insulator? How good does it conduct or insulate. insulator. Dry paper is a good insulator.

    asked on December 10, 2006
  16. physics1

    A 850-kg race car can drive around an unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of 160 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 11000 N on the car. (a) What is

    asked on February 14, 2011
  17. science

    use water displacement to find the volume of four marbles in ml

    asked on August 30, 2008
  18. 8th grade science

    Q: A person living in North America will be able to see 15 lunar eclipses in the 2010-2020 decade. In the same time period, only two solar eclipses can be observed in North America. why will more lunar eclipses than solar eclipses be visible from North

    asked on November 13, 2013
  19. Chemistry

    A student reacted 0.500g of Pb(NO3)2 with 0.750g of KI according to the reaction, Pb(NO3)2(aq) + 2KI(aq)=PbI2(s) + 2KNO3(aq) A) How many moles of Pb(NO3)2 were used? B) How many moles of KI were used? C) How many moles of PbI2 would form, based on the

    asked on October 29, 2014
  20. English

    What is the meaning of this poem? A single flower he sent me, since we met. All tenderly his messenger he chose; Deep-hearted, pure, with scented dew still wet-- One perfect rose. I knew the language of the floweret; "My fragile leaves," it said, "his

    asked on November 9, 2006
  21. Math- probability

    Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.

    asked on July 27, 2013
  22. physics

    A 850-kg race car can drive around an unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of 160 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 11000 N on the car. (a) What is

    asked on February 15, 2011
  23. chemistry

    For the reaction below, Kp = 1.16 at 800.°C. CaCO3(s) CaO(s) + CO2(g) If a 21.7-g sample of CaCO3 is put into a 10.6 L container and heated to 800°C, what percentage by mass of the CaCO3 will react to reach equilibrium?

    asked on February 3, 2013
  24. stats

    There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

    asked on October 7, 2010
  25. Physics 1

    A man opens a 1.14-m wide door by pushing on it with a force of 49.5 N directed perpendicular to its surface. (a) What magnitude torque does he apply about an axis through the hinges if the force is applied at the center of the door? N · m (b) What

    asked on March 6, 2015
  26. Statistics

    In​ Marissa's calculus​ course, attendance counts for 20​% of the​ grade, quizzes count for 15​% of the​ grade, exams count for 45​% of the​ grade, and the final exam counts for 20​% of the grade. Marissa had a 100​% average for​

    asked on July 23, 2018
  27. Chemistry

    About 50% of U.S. and most Canadian sulfur is produced by the Claus process, in which sulfur is obtained from the H2S(g) that occurs in natural gas deposits or is produced when sulfur is removed from petroleum. The reactions are described by the equations

    asked on February 2, 2014
  28. Spanish

    In the following sentence, which direct object requires the personal a? (I don't really get this question, please help!) a. el tren b. el monumento c. la amiga de mi mama d. el barco Right dow I think that it is el barco but I'm not sure...

    asked on May 2, 2016
  29. physics (centripetal acceleration)

    The second hand and the minute hand on one type of clock are the same length. Find the ratio (ac,second/ac,minute) of the centripetal accelerations of the tips of the second hand and the minute hand.

    asked on February 14, 2011
  30. Math

    Line a intersects line b, forming angles of 135 degrees and 45 degrees. A third line,line c, is perpendicular to line a and forms triangle ABC. What is the measure of the angle between lines b and c? a. 35 degrees b. 45 degrees c. 90 degrees d. 135 degrees

    asked on July 14, 2016
  31. MATHEMATICS

    A SECTOR IS USED TO FORM ACONE IF THE RADIUS AND ANGLE OF THESECTOR IS 8CM AND 160 DEGREE RESPECTIVELY CALCULATE, THE RADIUS OF THE CONE ,VERTICAL HEIGHT, VERTICAL ANGLE, VOLUME AND TOTAL SURFACE AREA OF THE CONE

    asked on October 19, 2015
  32. psychology statistics for behavioral sciences

    A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for

    asked on March 20, 2013
  33. Physics

    A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of

    asked on October 28, 2009
  34. math

    A bathroom measures 250cm by 175cm.Calculate the side of the largest square tile that can be used to tile the floor without cutting.

    asked on July 6, 2014
  35. PHYSICS HELP

    A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68*

    asked on February 16, 2012
  36. phys

    A plane takes off at St. Louis, flies straight to Denver, and then returns the same way. The plan flies at the same speed with respect to the ground during the flight, and there are no head winds or tail winds. Since the earth revolves around its axis once

    asked on January 4, 2009
  37. Algebra Please Help

    Math Word problem with factoring...HELP!!! This questions has me stumped!? I have been working on it for days... A 10ft-by-15ft pool was installed in your backyard. You have $3000 left that you would like to spend on surrounding the pool with a patio,

    asked on May 6, 2011
  38. Chemistry

    A student dissolves 2.57 grams of iodine [molar mass= 257]in 10.0 grams of carbon tetrachloride [kb = 5.03C/m]. The normal boiling point of carbon tetrachloride is approximately 77degreesC. What is the approximate boiling point of the solution above?

    asked on January 9, 2011
  39. Physics

    A rabbit runs in a garden such that the x- and y-components of its displacement as function of times are given by x(t) = −0.44t2 − 6.0t + 73 and y(t)= 0.35t2 + 8.3t + 34. (Both x and y are in meters and t is in seconds.) (a) Calculate the rabbit's

    asked on September 10, 2010
  40. Math

    The best free throw shooter on a basketball team has a 60% chance of making the 1st shot when shooting 2 free throws. If he makes the 1st shot, he has an 80% chance of making the 2nd. If he misses the 1st shot, he only has a 40% chance of making the 2nd

    asked on July 28, 2015
  41. Math

    A curve is such that dy/dx=2-8(3x+4)^-0.5 The curve intersects the y-axis where y=4/3 Find the equation of the cure.

    asked on January 19, 2018
  42. Physics

    A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A rope is wound around the cylinder and its free end is attached to a block of mass 54.0 kg that rests on a platform. The cylinder has a mass of 265 kg and a

    asked on April 10, 2014
  43. Physics

    A man with a mass of 65 kg stands up in a 64-kg canoe of length 4.0 m floating on water. He walks from a point 0.75 m from the back of the canoe to a point 0.75 m from the front of the canoe. Assume negligible friction between the canoe and the water. How

    asked on October 14, 2010
  44. Physics

    You serve a tennis ball from a height of 1.8 m above the ground. The ball leaves your racket with a speed of 19.4 m/s at an angle of 7.28° above the horizontal. The horizontal distance from the court's baseline to the net is 11.83 m, and the net is 1.07 m

    asked on September 10, 2010
  45. Grade school science

    What will happen if you rub a acetate strip and a paper towel together?(static electricity) Which of the two is a conductor and insulator or are they both the same. What happens when you rub two conductors together and what happed when you rub two

    asked on December 10, 2006
  46. algebra

    The two smaller angles of a right triangle have equal measures. Find the measure of the smaller two angles, and the measure of the largest angle, in degrees.

    asked on October 23, 2016
  47. PHYSICS CIRCULAR MOTION

    In an automatic clothes drier, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.364 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an

    asked on February 15, 2011
  48. Physics

    A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.195, and the mass of the sled, including the load, is 209.8 kg. If the horse moves the sled at a constant speed of 1.730 m/s, what

    asked on September 21, 2010
  49. chemistry

    Which if the following statements concerning complex ion Co(en)2Cl2+ is true? en=NH2CH2CHNH2 A)the geometric isomers of the complex ion have identical chemical properties B) the complex ion exhibits cis an dtrans geometric isomers but no optical isomers

    asked on April 21, 2007
  50. Quick Math

    I still have a question. My first one has been answered(I, but I am going to write it down anyways, incase it realtes to the first quesion. (I)What is the cost of s dozen dozen apples at half a dozen dimes a dozen? (II)(This one I don't understand) What is

    asked on December 5, 2006
  51. Biology

    1.A white flowered plants is crossed with a plant that is heterozygous for the trait. What percentage of he offspring will have purple flowers? 2.Two plants, both heterozygous for he gene that controls flower color are crossed. What percentage of their

    asked on September 19, 2015
  52. English

    How does Erik (the phantom) from The Phantom of the Opera show romance? i already mentioned about his relationship with Christine, but i need two more points.

    asked on April 6, 2015
  53. math

    a container holds 250 mL. How many liters does it hold

    asked on September 22, 2011
  54. Physics

    What is the centripetal acceleration of the Moon? The period of the Moon's orbit about the Earth is 27.3 days, measured with respect to the fixed stars. The radius of the Moon's orbit is RM = 3.85 · 108 m.

    asked on October 14, 2010
  55. WWII

    What types of ships did the British and German use in WWII? U- boats = British Dreadnaghts = German ??? I'm not quite sure :S

    asked on December 18, 2007
  56. Anybody?PLease Read!

    Hello. Can you help me with my homework? Shakespeare, Twelfth Night. Have you read it?

    asked on October 11, 2006
  57. math

    Sally has a balance of $2845 on her credit card. What rate of simple interest is she being charged if she must pay $26.19 interest for the 12 days her payment is late?

    asked on April 17, 2015
  58. statistics please

    a basketball scout randomly selected 144 players and timed howlong eah player took to perform a certain drill. the times in thissample were distributed with a mean of 8 minutes. the populationstandard deviation was known to be 3 minutes. (a) find the

    asked on December 15, 2012
  59. CHEMISTRY (HELP)

    Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the

    asked on May 11, 2011
  60. physics??

    The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a

    asked on February 14, 2011
  61. Math

    ^=exponents /= divide So I am not sure how to do this. It is an example in my book but I still don't get it. Can you work through ti so I can do my real work. (-1^2+-1^-2)^-1 (-1^2+-1^-2)^-1 = First, do work within the parentheses. -1*-1 = 1 and -1-2 =

    asked on November 23, 2006
  62. Physics circular motion

    The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a

    asked on February 15, 2011
  63. Physics

    A particle of mass m is subjected to a force acting in the x-direction. Fx = (3.2 + 0.55x) N. Find the work done by the force as the particle moves from x = 0 to x = 4.5 m. 1

    asked on September 21, 2010
  64. Physics

    Two baseballs are thrown off the top of a building that is 7.24 m high. Both are thrown with initial speed of 63.3 mph. Ball 1 is thrown horizontally, and ball 2 is thrown straight down. What is the difference in the speeds of the two balls when they touch

    asked on September 21, 2010
  65. Quick Math

    Is a dozen dozen equals to 24? wouldn't a dozen dozen be 144? and 144 is a gross. a dozen is 12 a dozen is 12 so isnt that 24? When you say double double such as in coffee. You want two milk and two sugar. That's four. So wouldnt dozen dozen be 12 and 12?

    asked on December 5, 2006
  66. Algebra

    If 4x^2+20x+r=(2x+s)^2 for all values of x, what is the value of r-s? Can you please help me?

    asked on July 12, 2016
  67. Chemistry

    please HELP!! mass of magnesium chloride =.2 mass of chlorine in magnesium chloride =.1 A)moles of magnesium? B)moles of chlorine? C)moles of magnesium divided by the smaller number of moles? D)moles of chlorine divided by the smaller number of moles?

    asked on October 25, 2014
  68. Math

    A cell phone company charges a monthly fee of $17.95 and $0.03 per minute Write an equation that represents the cost (c) for using the cell phone for minutes (m) Use your equation from part a to find the cost for using the phone for 150 minutes

    asked on April 28, 2014
  69. physics??

    Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 41.3 km/s and 52.7 km/s. The slower planet's orbital period is 7.74 years. (a) What is the mass of the

    asked on February 15, 2011
  70. chemistry

    Alkali metals react with water to form hydrogen gas and the hydroxide of the metal. When 3.55 grams of an alkali metal reacts with excess water, 1020ml of hydrogen gas, measured at STP, are evolved. What is the alkali metal?

    asked on December 6, 2010
  71. Physics - Height of ball launch

    A solid ball of mass m and radius r rolls without slipping through a loop of radius R, as shown in the figure. From what height h should the ball be launched in order to make it through the loop without falling off the track? (Use any variable or symbol

    asked on October 21, 2010
  72. Physics

    A golf ball is hit with an initial angle of 30.5° with respect to the horizontal and an initial velocity of 81.9 mph. It lands a distance of 86.8 m away from where it was hit. By how much did the effects of wind resistance, spin, and so forth reduce the

    asked on September 10, 2010
  73. chemistry

    need answer to the following: for each molecular compounds, write the name corresponding name or write chemical formula to: A)nitrogen pentasulfide B)diphosphorus pentasulfide C) AS2S3 D)PBr5

    asked on March 11, 2010
  74. Physical Science

    A gram of radioactive material has a half-life of one year. After four years how much radioactive material will be left...0g, 1/2g, or 1/4g? None of the above. The answer one-half to the fourth power.

    asked on March 29, 2007
  75. Grammar

    Is "because" a subordinate conjunction? Could you please give me a sentence in which I can identify the subordinate conjuntion. Is a subordinate clause introduced by a subordinate conjunctin? Here is a site on subordinate conjunctions... Sentences: The

    asked on January 27, 2007
  76. math

    determine the area of triangle abc when side ab= square root of x, side bc= square root of x, and side ca= the square root of the square root of x. So how do I solve it. How do I add the square root of x + the square root of x + the square root of the

    asked on October 24, 2006
  77. geometry

    I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line

    asked on May 4, 2016
  78. physics

    rank the average gravitational force from greatest to least between (a) sun and mars (b)sun and moon (c) sun and earth include an explanation PLEASE!!!!

    asked on January 3, 2014
  79. Physics

    The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is applied at the right end of the rod at 30 degree angle to hold the rod stationary in a horizontal position. What is the magnitude of

    asked on April 21, 2013
  80. physics!

    A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum

    asked on February 14, 2011
  81. Physics

    A solid ball of mass m and radius r rolls without slipping through a loop of radius R, as shown in the figure. From what height h should the ball be launched in order to make it through the loop without falling off the track? (Use any variable or symbol

    asked on October 22, 2010
  82. Physics

    A spring with a spring constant of 223.9 N/m is compressed by 0.220 m. Then a steel ball bearing of mass 0.0372 kg is put against the end of the spring, and the spring is released. What is the speed of the ball bearing right after it loses contact with the

    asked on September 21, 2010
  83. Physics

    Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 4.54 m/s, they then have the same kinetic energy. Calculate the original speeds of the two cars. first car

    asked on September 21, 2010
  84. CHEMISTRY HELP NOW PLZ!

    which of the following coordination compounds will most likely form a precipitate when treated with an aquesous solution of silver(l) nitrate? A) [Cr(NH3)2CL3] B) [Cr(NH3)6]Cl3 C) [Cr(NH3)Cl]SO4 D) Na3[Cr(CN)6] E) Na[CrCl6] i think its either a or b but i

    asked on April 21, 2007
  85. Physical Science

    Harry takes a space voyage and returns to find his twin sister has aged more than he has. This is evidence that they have been in a different....? health plan :-) spcae times

    asked on March 29, 2007
  86. Physical Science

    According to the special theory of relativity, all laws of nature are the same in reference frames that....?

    asked on March 29, 2007
  87. Poetry

    What do they mean when someone say the devices in prose poetry. Could you name an example please? One of these devices is Alliteration - the repetition of an initial sound in a group of words. Example : a gaggle of geese gliding glorously over the sky.

    asked on November 1, 2006
  88. Science

    Kendell wants to determine if there is a trend in air temperature changes during April. Which procedure should he follow?

    asked on October 16, 2015
  89. Chemistry

    I am a parent trying to help with my childs homework. This is the question that has us stuck. Can you assist us? Boron trioxide B203 , reacts with waterto produce boric acid, B(OH)3. B2O3(s) + 3H2o (l) -> 2B(OH)3(s) Ricardo adds 27.2 g of B2O3 to an excess

    asked on November 4, 2014
  90. Algebra II math high school

    To get the necessary funds for a planned expansion, a small company took out three loans totaling $25,000. The company was able to borrow some money at 8%. It borrowed $2000 more than half the amount of the 8% loan at 10% and the rest at 9%. The total

    asked on December 13, 2012
  91. math

    how do i solve for x when x = log(32.5)? here's my work: log x = y 10^y = x then, x = log (32.5) 10^x = 32.5 10^x = 17/2 this is where i get stuck... i don't know how to get rid of the bases... can some one please teach me how? thank you! :)

    asked on September 11, 2012
  92. Physics

    In Fig. 25-37, V = 12 V, C1 = 9.8 µF, and C2 = C3 = 18 µF. Switch S is first thrown to the left side until capacitor 1 reaches equilibrium. Then the switch is thrown to the right. When equilibrium is again reached, how much charge in Coulombs is on

    asked on March 19, 2012
  93. statistics

    John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ó = 5 minutes. For a randomly selected morning, what is the probability that John’s

    asked on March 4, 2012
  94. science

    an object is ejected sideways with a speed of 10 meters per second, a height of 78.4 meters above the ground. How long does it take to reach the ground?

    asked on September 9, 2011
  95. Reseach - source evaluation HELP

    Hi, I've been exhausting my opportunities to try and find out the credidentials for this pdf. I need the original date of publication I need the credidentials of the author Its called Russian Collectivisation by George Beers. This is not to put in my

    asked on May 14, 2011
  96. Chemistry

    Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the

    asked on May 11, 2011
  97. Solving Geometry Problem - PLEASE HELP - Test tom!

    A cone has a slant height of 10 centimeters and lateral area of 60pi square centimeters. What is the volume of the sphere with a radius equal to that of a cone? -we tried solving and got 4.37 or so for the radius and we couldn't get any further than that

    asked on April 19, 2011
  98. chemistry

    At 2010K, the equilibrium constant Kc is 4*10^-4 for the following: N2+O2-->2NO If the equilibrium concentration of N2 is .28M and O2 is .38M, what is the equilibrium concentration of NO? a)1.8*10^-9 b)2.1*10^-5 c)4.3*10^-5 d)6.5*10^-3

    asked on March 11, 2011
  99. Physics

    A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it rotates 70.0 times before coming to rest. Find the constant angular acceleration of the centrifuge. (Assume the initial direction

    asked on October 14, 2010
  100. finance

    cpu company currently pays a divdend of $2.50. dividends are expected to increase at the rate of $.25 per share for the next several years. determine the current rate of CPU's common stock to an investor who expects to be able to sell the stock for $35 per

    asked on October 3, 2010

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