Most popular questions and responses by Troy
  1. Islam

    How did Islamic civilization spread to encompass such an extensive empire(in the Middle East)? What practices or methods were used to spread Islam? P.S: If Ms.Sue answers this, PLAESE GIVE ME ENOUGH INFORMATION TO WRITE ON A ESSAY, I HELP WITH THIS,

    asked on March 16, 2010
  2. Chemistry

    A 0.600 m aqueous solution of KBr has a total mass of 69.0 g. What masses of solute and solvent are present?

    asked on December 1, 2015
  3. math

    marty ate 4/6 of his pizza and luis ate 5/6 of his pizza. marty ate more pizza than luis. how is this possible?

    asked on January 30, 2013
  4. statistics, find the probability

    It is known that 77% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 62 new products, find the following probabilities. (Round your answers to four decimal places.) (d)

    asked on October 21, 2011
  5. Chemistry

    Suppose a 250. mL flask is filled with 1.1 mol of Cl2 and 0.60 mol of HCl. The following reaction becomes possible: H2(g)+Cl2(g) 2HCl (g) The equilibrium constant K for this reaction is 0.931 at the temperature of the flask. Calculate the equilibrium

    asked on March 27, 2019
  6. Roman Empire

    What caused the fall of the Western Roman Empire?

    asked on December 28, 2009
  7. Science/chemistry

    CH4 + 2O2 --> OC2 + 2H2O What mass of water is formed by burning 4g of methane in excess oxygen? (Ar of carbon=12, Ar of oxygen=16 and Ar of hydrogen=1)

    asked on May 23, 2017
  8. Math

    A square piece of paper is folded in half to make a rectangle. The perimeter of the rectangle is 24.9 cm. What is the side length of the square piece of paper?

    asked on February 19, 2015
  9. math

    08.03)Esther wants to know if the number of words on a page in her language arts book is generally more than the number of words on a page in her social studies book. She takes a random sample of 25 pages in each book and then calculates the mean, median,

    asked on September 5, 2015
  10. math

    Small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism. The dimensions are 4 1/2 inches in length, 5 inches in width, and 3 3/4 inches in height. Each cube is 1/4 inches. How many small cubes are needed to completely fill

    asked on April 30, 2015
  11. Math

    Two small conducting spheres are identical except that sphere x has a charge of -10 micro coulombs and sphere y has a charge of + 6 micro coulombs . After the spheres are brought in contact and then separated,what is the charge on each sphere ,in micro

    asked on August 18, 2011
  12. Music

    What literary devices are in the song "Me Against the World" by Tupac Shakur?

    asked on April 29, 2010
  13. Chemistry

    If the initial pressures of the H2 and N2 in the flasks in the figure below were instead 350. torr and 160. torr, respectively, what would be the final pressure after the stopcock is opened? Left side of stopcock= 2.00L H2 Right side of stopcock= 1.00L N2

    asked on October 10, 2012
  14. statistics

    It is known that 77% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 62 new products, find the following probabilities. (Round your answers to four decimal places.) (d)

    asked on October 21, 2011
  15. Poetry

    How does Walt Whitman's poem "I Hear America Singing" relate and differ from Langston Hughes's poem "I,Too." PS: I need enough information to write an essay.PLEASE!!!!!

    asked on March 7, 2010
  16. Chemistry

    an empty graduated cylinder weighs 82.450g. when gilled tp 50.0 mL with a liquid it weighs 110.810g. what is the density of the liquid?

    asked on September 17, 2016
  17. Geometry

    You are given two segments, AB with AB = 4 and CD with CD = 7. You want to construct a new segment, EF with EF = 1. If you can use only congruent-segments construction, explain how you would use AB and CD to construct EF.

    asked on February 2, 2012
  18. Ancient Rome

    How did Roman conquests overseas affected Rome's development in the past?

    asked on December 15, 2009
  19. algebra

    the correct solution to the inequality -2x

    asked on April 17, 2019
  20. math

    The volume of cube I is 331 m^3 less than the volume of cube II. If an edge of cube I is 10 meters, an edge of cube II is A. 14 meters B. 13 meters C. 12 meters D. 11 meters

    asked on August 15, 2014
  21. chemistry

    Calculate the number of moles of Cl atoms in 1.81×10e24 formula units of magnesium chloride,MgCl2.

    asked on October 11, 2012
  22. science

    If the solution is saturated at 100 degrees Celsius and then cooled to 30 degrees Celsius, how many grams of solute will precipitate out?

    asked on October 26, 2015
  23. chemisty

    Consider the following unbalanced equation between copper(I) ions and iron to produce copper metal and iron(II) ions: Cu+ + Fe → Cu + Fe2+ What is oxidized in this reaction? A) copper(I) ion B) iron C) copper D) iron(II) ion

    asked on June 6, 2014
  24. Poetry

    What is one metaphor and one simile in the poem "Leaning Into The Afternoons" by Pablo Neruda? What do they mean and how do they aid what Neruda is trying to state in the poem? I NEED HELP PLAEASE!!!!!

    asked on March 23, 2010
  25. Middle East

    Why was the Phoenician alphabet a significant development?

    asked on October 26, 2009
  26. Grade 10 Math

    A hospital plans to build a wheelchair ramp. It's slope must be less than 1/12 . The entrance to the hospital is 70cm above the ground. What is the minimum horizontal distance needed for the ramp?

    asked on October 28, 2015
  27. Math

    A full bottle of juice costs $2.00.If the cost of the juice is $1.50 more than the cost of the bottle, how much does the empty bottle cost? Hint: Answer is not 50 cents

    asked on December 12, 2014
  28. chemistry

    What is the molarity of a 250ml solution containing 16g of sulfur?

    asked on September 18, 2009
  29. Chemistry

    Zn(OH)2 was saturated in a solution of sodium hydroxide. The following equilibra exist under these conditions Zn(OH)2 -> Zn2+ +2OH- Ksp Zn2+ +OH- -> Zn(OH)+ K1 Zn(OH)- + OH- -> Zn(OH)2 K2 Zn(OH)2 + OH- -> Zn(OH)3- K3 Zn(OH)3- +OH- -> Zn(OH)42- K4 a) Sum of

    asked on March 24, 2015
  30. physics

    A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of 47.0˚. A player 54.4 m away in the direction of the kick starts running to meet the ball at that instant. What must be his average speed if he is to meet the

    asked on September 23, 2013
  31. English

    Why is baseball fun?

    asked on September 28, 2009
  32. Chemistry

    H2 (g) + I2 (g) 2 HI (g) If the initial concentrations of H2 and I2 are 1.0 M and the initial concentration of HI is 0.5 M (Kc = 54.3 at 430oC). (a) Is the reaction at equilibrium? (b) If not, which way will the reaction proceed?

    asked on May 4, 2014
  33. math (geometry)

    how do you do this problem? If ZY=7XY then ZX=8XY It is a two colun proof

    asked on October 23, 2006
  34. Math

    The number 4641 can be expressed as the product of two 2-digit whole numbers. What is the sum of these two numbers?

    asked on May 1, 2011
  35. Byzantine Empire

    Did Justinian the Roman Empire as the Byzantine Empire? What is his legacy?

    asked on January 14, 2010
  36. Math

    A satellite moving in a circular orbit with respect to the earth's center experiences a gravitational force. If the satellite is put into a new circular orbit of smaller radius, how will the gravitational force and the speed of the satellite change ,if at

    asked on August 19, 2011
  37. Math

    If the addition of 2,000 joules of heat to 10 kilograms of a substance raises it's temperature 2 degrees,the specific heat of the substance is. a. 0.01j/kg degrees. b. 0.2j/kg degrees. c. 50 j/kg degrees d. 100 j/kg degrees e. 200j j/kg degrees

    asked on August 19, 2011
  38. math

    change 2.5% to a ratio expression

    asked on August 22, 2011
  39. Langston Hughes

    Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers." The rivers are the Euphrates, Congo, Nile, and Mississippi river.

    asked on March 1, 2010
  40. English

    Why is this quote "All these-the meanness and agony without end, I sitting, look out upon, See, hear, and am silent" ironic?

    asked on January 17, 2010
  41. physics

    A person wearing a safety belt can withstand an acceleration of -3.0E2 m/s2. How thick should barriers be to safely stop a car that hits a barrier at 97 km/h?

    asked on January 17, 2012
  42. Geometry

    Given: UR=VW Prove: UV=RW(Midpoint) Given: angleABE=angleDBC(Bisectors) Prove: angleABD=angleCBE

    asked on October 12, 2010
  43. Geometry

    If the measures of two complementary angles are in the ratio 1:5, the measure of the larger angle is: A)75 B)144 C)150 D)72

    asked on October 6, 2010
  44. Poetry

    What is one metaphor and one simile in the poem "Leaning Into The Afternoons" by Pablo Neruda? What do they mean and how do they aid what Neruda is trying to state in the poem?

    asked on March 23, 2010
  45. English

    why is baseball fun?

    asked on September 28, 2009
  46. algebra

    A university bookstore recently sold a wirebound graph-paper notebook for $0.88, and a college-ruled notebook for $2.38. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $59.00. How many of each type were

    asked on May 14, 2011
  47. Transitional Math

    Richard took a loan of $10000 at a rate of 5%. If he paid $2500 in interest, how long did it take him to pay off the loan?

    asked on December 5, 2010
  48. collage physics

    a block of wood rest on a plane incline at 35 degrees to the horizontal.if the coefficient of the static friction between the surface is 0.45.determine: a) what is the horizontal force that must be applied to the block to initiate motion up the plane b)the

    asked on November 30, 2010
  49. Poetry

    How can I explain the first five lines in the poem "Leaning Into The Afternoons" by Pablo Neruda? Leaning into the afternoons, I cast my sad nets towards your oceanic eyes. There, in the highest blaze my solitude lengthens and flames; Its arms turning like

    asked on March 23, 2010
  50. English

    why is basketball fun?

    asked on September 28, 2009
  51. English

    Why is basketball fun?

    asked on September 28, 2009
  52. Chemistry

    how many mols of gas will occupy 6.75 m^3 at 65°C and 3.28 x 10^5 Pa?

    asked on January 8, 2018
  53. 9th Grade Math

    Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be

    asked on February 10, 2015
  54. Math

    Total of 92 students in the school band. There are 16 more girls than boys in the band. How many girls are in the band?

    asked on February 13, 2012
  55. chemistry

    How many water molecules are in a 0.265 g sample?

    asked on December 20, 2011
  56. Math

    Is the time you take to go to the library a function of the distance to the library? I think it's not a function

    asked on January 31, 2011
  57. Financing

    Reflect on your experience with investing. What type of investments do you currently own/manage? What decisions are you responsible for making in regard to management of the investments? At this time, how comfortable are you with advising others on

    asked on October 25, 2010
  58. English

    1.What is the meaning of the term "hip hop feminist"? 2.Why are there no female voices in hip hop music today?

    asked on February 22, 2010
  59. U.S. Government

    The authors of the Federalist Papers stated that when framing a government the government must first be able to control the governed and also be able to control itself. To what extent were the founding fathers successful in implementing these goals?

    asked on March 21, 2016
  60. Math

    A garden is edged with landscaping tiles that are 9.2 cm wide. The length of the garden is 6.2 m and the width of the garden is 5.6 m. What is the perimeter of the garden inside the landscaping tiles, to the nearest tenth of a meter?

    asked on March 18, 2015
  61. Language arts

    What kind of sentence is: The state park in the rocky mountains is beautiful, lots of things to do.

    asked on April 6, 2011
  62. Math

    Troy spends the same amount of time playing violin, studying, and walking. For a total of 80 hours, how many minutes does he spend doing each activity?

    asked on January 30, 2011
  63. The Slave Trade

    Was the slave trade a necessary evil?

    asked on May 26, 2010
  64. English

    In Langston Hughes poem "Theme for English B," in the lines 16-26 it says: It's not easy to know what is true for you or me at twenty-two, my age. But I guess I'm what I feel and see and hear, Harlem, I hear you: hear you, hear me--we two--you, me, talk on

    asked on March 17, 2010
  65. Langston Hughes

    Why does Langston Hughes repeat the line, "I've known rivers," in the Poetry "The Negro Speaks of Rivers."

    asked on March 1, 2010
  66. math

    What the answer to 4x-7y=10

    asked on January 14, 2010
  67. Ancient Greek

    What were the contributions to Western civilization from the Ancient Greeks?

    asked on December 17, 2009
  68. Ancient Greek

    What were the contributions to Western civilization from the Ancient Greeks?

    asked on December 13, 2009
  69. World History

    How did geography and climate affect where people lived in ancient Egypt?

    asked on October 5, 2009
  70. math

    prove x^2+y^2=1 is an infinite set of points

    asked on October 1, 2009
  71. Algebra 2

    Can someone check my answers. Write the following equations in standard form. 1) x^2 - 2x + y^2 + 4y = 11 answer: (x-1)^2 + (y+2)^2 = 16 2) 4x^2 + 24x - y + 34 = 0 answer: y = 4(x-3)^2 + 2 3) The graph of which equation is a circle? A. 5x^2 + 10x = 9 +

    asked on April 7, 2008
  72. science

    what shape offers the least resistance to air or water?

    asked on April 6, 2008
  73. Algebra


    asked on January 15, 2017
  74. Us government

    James Madison one said: "wherever the real power in the government lies there is the danger of oppression. In our government the real power lies in the majority of the community. How does the constitution reflect his concern?

    asked on March 21, 2016
  75. English 12

    I have to write an essay on a book called "The Stone Angel" by Margaret Lawrence, for anyone that knows the novel there is a clear message about communication, or lack there of, and things on relationships, having issues starting the essay, would

    asked on June 4, 2013
  76. Physics

    If a vehicle starts at 31 km/h and only travels 4.7m in 1.1 seconds due to deceleration, how fast is it going after 1.1 seconds?

    asked on March 20, 2013
  77. statistics for behavioral sciences

    In a one- to two-page Microsoft Word document, for each hypothesis listed indicate: Whether the appropriate analysis would be a one-tailed test or a two-tailed test. A type I and type II error, given the context of the hypothesis. Hypothesis: The three

    asked on February 21, 2012
  78. Agriculture Econ

    What is the relationship between the price elasticity & the total revenue received by produces of a commodity

    asked on October 31, 2011
  79. math

    In equilateral triangle ABC, AB=3x and BC= 2x=12. Find the numerical value of the perimeter of ABC.

    asked on September 29, 2010
  80. radicals

    multiply. assume that expressions under radicals are non negative. √x+3 * √x-3

    asked on June 8, 2010
  81. Langston Hughes

    Explain the use of repetition of the pronoun "I". The poem is "Negro Speaks of Rivers" by Langston Hughes.

    asked on March 1, 2010
  82. Langston Hughes

    Explain the use of repetition of the pronoun "I".

    asked on March 1, 2010
  83. English

    3.Why are there so many sexualized images of women of color in the media? 4.Can a man be a feminist? Why or why not?

    asked on February 22, 2010
  84. Amercia

    Should America police the world?

    asked on December 21, 2009
  85. World History

    What contributions did Egypt made to the world?

    asked on October 6, 2009
  86. Geography

    How does Geography impact the lives of people?

    asked on September 19, 2009
  87. World History

    What are some of the physical(natural or artificial)characteristics of Uniondale?

    asked on September 14, 2009
  88. math

    simplify: 15/16 - 7/8 x 5/7

    asked on September 9, 2009
  89. science

    as the speed of a fluid increases the pressure decreases. as the speed of the fluid decreases, the pressure increases. what is this called?

    asked on April 6, 2008
  90. math plz help

    the Average age of three number is 32 base 5.If the sum of two number is 131 base 4.Find the third number in base 6? Step plz

    asked on May 27, 2016
  91. Algebra


    asked on January 19, 2016
  92. Geometry

    given ABCD IS A rectangle . IF BC =5ft and AB =8ft find the missing sides

    asked on October 28, 2015
  93. math

    An aquarium holds 6 1/4 gallons of water. The water level has dropped to 4/5 of this amount. How much water should be added to fill the aquarium?

    asked on September 29, 2015
  94. Math

    How do you find the GCF from 55 + 22 = and rewrite the sum using the Distributive Property?

    asked on September 3, 2014
  95. algebra

    (2/3)X-4Y=8 -4X+24Y=32 FIND THE VALUE OF X

    asked on June 5, 2014
  96. physics

    A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine? with a gravitational pull of 10 m/s2 down

    asked on February 3, 2014
  97. psy

    Psychologists generally agree that developmental change is characterized by (Points : 1) mostly continuous development. mostly discontinuous development. both continuous and discontinuous development. neither continuous nor discontinuous development.

    asked on September 17, 2013
  98. chemistry

    Which one is greater in terms of number of atoms Na or S. Which one is greater in terms of mass, a mole of Na atoms or a mole of S atoms.

    asked on October 13, 2012
  99. Math

    Convert to a scientific notation: 0.000243

    asked on December 24, 2011
  100. math

    If the radius and diameter of a sphere were measured in inches, then the surface area would be measured in

    asked on November 21, 2010


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