Posts by Lydia

Total # Posts: 266

  1. Chemistry

    Never mind. I figured it out.
  2. Chemistry

    I have the same problem to figure out, but mine gave this equation: Na + H20 -> H2 + NaOH So I was just wondering what I should do since mine aren't the exact same.
  3. Math

    the three vertices of rectangle ABCD are A(2, 1) , B(6, 1) , C(6, 4).Find the coordinates of D. Please help me,thank you.
  4. Math

    Find the coordinates of the midpoint of (2/3, -3/2)and (8/3, -11/2).help me please
  5. Math

    A man will pay RM 46000 to renovate an office . If the construction materials cost 25% more and the labour costs 30% more , he will need to pay RM 58540. Find the original cost of the construction meterial and the cost of labour .(Used equation)
  6. World History

    oh ok sorry thank you I got 100% :)
  7. World History

    The Orthodox Jews follow religious laws to the letter. The modern-day Reform Jews favor a less strict observance of Mosaic law
  8. World History

    Did you guys read my text? I just want to make sure its the right answer
  9. World History

    wait wouldn't it be b according to my text?
  10. World History

    Judaism, the religion of the ancient Hebrews, is regarded as the oldest monotheistic religion. Its beginnings stretch far back into unrecorded history. Guided by philosophy and visions, the major Hebrew patriarchs and prophets wrote down the words that defined the Jewish ...
  11. World History

    thank you
  12. World History

    so a?
  13. World History

    well it says that orthodox followed the mosaic law but I don't see anything about the reform jews just that they don't follow the same law
  14. World History

    Which accurately describes the differences between Orthodox and Reform Jews? orthodox jews strictly follow mosaic law, whereas reform jews do not follow all ancient laws reform jews strictly follow mosaic law, whereas orthodox jews do not follow all ancient laws reform jews ...
  15. chemistry

    What is a saturated solution?
  16. S.S.

    Also, sorry about that person who had commented earlier who wasn't actually answering. I don't know who they were.
  17. S.S.

    Awesome thanks!
  18. S.S.

    B.?
  19. S.S.

    Which statement best describes the framework of government established by the Constitution? A. The three branches of government defer the majority of power to the states B. A system of checks and balances keeps each of the three branches from having too much power C. The ...
  20. chemistry

    Examine the equation. 6CO2 + __H2O ? C6H12O6 + 6O2 In order to balance the equation, what coefficient must be placed in front of H2O 4 6 12 1 please help
  21. chemistry

    two everyday chemical reactions then after you have chosen your two everyday chemical reactions List the two reactions and their chemical equations. Also, state each reaction's type (synthesis, decomposition, displacement, or combustion). please help
  22. chemistry

    Are Si valence electrons shared? Are C valence electrons shared? please help
  23. chemistry

    thank you
  24. chemistry

    Which statement correctly describes a covalent bond? The atoms' valence electrons combine to form a network of bonds. Valence electrons are transferred from one atom to the other. The atoms' valence electrons are shared between the atoms. All of the atoms' ...
  25. chemistry

    so c and b
  26. chemistry

    Which of the answers choices best describes John Dalton's contribution to atomic theory? he discovered to nucleus he gave future scientist a foundation for understanding how electrons move. he gave future scientist a foundation for understanding how atoms make up matter. ...
  27. science

    In which of the following phase transitions is energy released? liquid to solid solid to gas liquid to gas solid to liquid please help
  28. science

    Molten lava coming out of a Hawaiian volcano cools down and forms rock. Which statement best describes the flow of energy in the scenario?  energy moves from lava to the surroundings energy moves from the surroundings to the lava energy stays within the surroundings ...
  29. science

    so what are the answers?
  30. science

    Molten lava coming out of a Hawaiian volcano cools down and forms rock. Which statement best describes the flow of energy in the scenario?  energy moves from lava to the surroundings energy moves from the surroundings to the lava energy stays within the surroundings ...
  31. science

    thank you (:
  32. science

    A scoop of ice cream is placed on top of a warm piece of pie in a bowl. Which statements about the scenario are true? (Select all that apply.) the pies energy will destroy a portion of the ice creams energy the overall amount of energy in the bowl will neither increase nor ...
  33. science

    Which statements best describe how the properties of gases and plasmas differ? (Select all that apply). The particles of plasmas have a higher kinetic energy than the particles of gases. Gas particles are charged while plasma particles are uncharged. Plasma particles are ...
  34. science

    thank you
  35. science

    liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter. please help
  36. science

    liquid water has a constant density. Do you agree or disagree with this statement? Why or why not? Be sure to support your argument by using what you have learned about the states and motion of matter.
  37. science

    List your own example of turning an observation into a hypothesis. Be sure to list all five steps: observation, explanation, test (independent variable), prediction (dependent variable), and hypothesis. please help
  38. science

    thank you
  39. science

    I know it has a control group I just don't know how to explain why
  40. science

    Observation The trash smells. Explanation Decaying biological material causes the trash to smell. Test (independent variable) Add food scraps to one trash can along with other materials, such as plastic, cardboard, paper, and tin. To a second trash can, add only non-food ...
  41. chemistry

    so its only that one?
  42. chemistry

    molecules?
  43. chemistry

    Examine the analogy and how it compares a part to a whole. link : chain :: atom : _____ Choose the answers that best complete this analogy. (select all that apply) molecule matter compound proton please help
  44. chemistry

    How can the concept Independent Variable v Dependent Variable apply in your life? please help
  45. science

    What physical property is changed when a waitress pours coffee from a pot into four mugs? density color volume temperature
  46. science

    thank you (:
  47. science

    Baking soda is mixed with water, and no bubbles are produced. When baking soda is mixed with vinegar, it bubbles and foams rapidly. What chemical property of baking soda is shown in the scenario? 1)reactivity 2)boiling point 3)flamibility 4)color change (select all that apply)
  48. science

    thank you
  49. science

    Which process is an example of a chemical change? A metal railing rusting in damp weather alcohol evaporating from a cotton swab steam rising from a boiling pot of soup a piece of wood shrinking as it dries out
  50. science

    thank you
  51. science

    Which process is an example of a chemical change? drying clothes in the dryer chopping a tree activating a glow stick heating a cup of tea
  52. science

    Imagine yourself making a nice cup of tea on a cold winter day. You begin by boiling some water in a kettle. Next, you add the steaming liquid to your cup. Then, you open a tea bag and repeatedly dunk it into the water. You pour a dash of milk and drop a few sugar cubes into ...
  53. science

    thank you
  54. science

    which items would still be classified in the same way? Which items would be classified differently? • atoms     • elements     • compounds     • molecules     • matter please help
  55. math

    Can you please help me simplify this into one fraction? 3/(x-3) - 5/(x/2) Here are the options: A) -2x+9/(x-3)(x-2) B) -2x/(x-3)(x-2) C) -2x-9/(x-3)(x-2) D) 2x+9/(x-3)(x-2) I think it's option D but I'm not so sure :(
  56. Chemistry

    Please help me these are the only two I have left. 17. If the solubility of a gas is 5.6 g/L at 505 kPa pressure, what is the solubility of the gas when the pressure is 1010kPa? * 19. Calculate the [H?] for the aqueous solution in which [OH?] is 1 x10??. Is this solution ...
  57. Chemistry

    Can someone check my answer and let me know me if the are right or wrong. 1. What is the maximum amount of KCl that can dissolve in 600 g of water? (The solubility of KCl is 34 g/100 g H?O at 20°C.) * 34 g 204 g ***** 2040 g 3. (1 point) If the solubility of a gas in water...
  58. Chemistry

    Can someone check my answer and let me know me if the are right or wrong. If I wrong can you give me the right answer plz. 1. What is the maximum amount of KCl that can dissolve in 600 g of water? (The solubility of KCl is 34 g/100 g H?O at 20°C.) * 34 g 204 g 56 g******* ...
  59. Algebra

    Determine the discriminant for the quadratic equation -3 = x^2 + 4x + 1. Based on the discriminant value, how many real number solution does the equation have? Discriminant =b^2 - 4ac
  60. Science

    When calculating delta Tsample,why is th initial temperature taken to be 100 degrees Celsius
  61. Math

    The temperature at 6:00 pm was 33°f.over the course of the day, the temperature decreased 5.5°F per hour. What was the temperature at midnight?
  62. english

    Nwoye and Ikemefuna as a representation of the rise of new cultural formation among the igbo society in Achebe's Things Fall Apart
  63. english

    Chinua Achebe's Things Fall Apart as a Postcolonial novel
  64. english

    Chinua Achebe's Things Fall Apart as a defiance of eurocentric sociological and anthropological narration of South Africa
  65. math

    Earned five dollar earned $5.50 per hour as an assistant in an auto repair shop how much will Taylor on if she works for and a half hours on Friary's
  66. social studies

    I dont know the answer but I hate to be mean, but I wouldn't trust "Boonk gang" I asked a question and he responded with "follow me on isntagram bihhhh @cltjojo" That's all I had to say, sorry and bye
  67. Math

    if 6 workers complete a 1 km of roadway in 4 days. how long would it take for 4 workers to complete 3 km of roadway
  68. Economics

    7. A
  69. Trigonometry

    Suppose *u* is a quadrant IV angle with cos(u) = 3/5. Suppose *v* is a quadrant IV angle with cos(v) = 12/13. Find the exact value of sin(u-v) I have gotten to sin120cos150 - sin150cos120 but I am not sure I am correct up to that point and I don't know where to go from there.
  70. Math

    A tennis racket is offered at 25% off. Including 7% sales tax, the final price is $67.41. What is the original price, without tax or discount?
  71. Science (Physics)

    Air becomes a conductor when the electric field strength exceeds 3.00 × 106 N/C. Determine the maximum amount of charge that can be carried by a metal sphere 8.5 m in radius. The value of the Coulomb constant is8.99×109 N·m2/C2. Answer in units of C. I have ...
  72. physics

    Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
  73. physics

    Can anyone help just can figure it out. Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) ...
  74. physics

    Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
  75. physics

    a mass if 10kg move with a velocity of 4ms-1find it kinetic energy.
  76. geometrie

    (4, 5)'(9, 5) and (5,1) are three of a quadrilateral whose opposite sides are equal and parallel.there are three possibilities for the co-ordinates of the missing vertex.Find all three,and draw the three quadrilateral on a grid
  77. Math

    IN A CLASS OF 55 STUDENTS, 35 TAKE ENGLISH,40 TAKE FRENCH AND 5 TAKE OTHER LANGUAGES. DETERMINE HOW MANY STUDENTS TAKE BOTH LANGUAGES
  78. Urgent math

    please help The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0ert that models the population t years after 2005. n(t) = (b) Use the function from part (a) to ...
  79. Urgent math

    population growth model. Can anybody please help me out in trying to solve this problem? It's my homework and I don't seem to understand what I am getting. The count in a culture of bacteria was 400 after 2 hours and 25,600 after 6 hours. (a) What is the relative rate...
  80. College Algebra

    f(x) = x2 + 11x, x ≥ − 11/2 find the inverse
  81. College Algebra

    A function f has the following verbal description: "Multiply by 5, add 9, and then take the fifth power of the result." and find the inverse?
  82. Algebra

    Find the net change in the value of the function between the given inputs. g(t) = 8 − t2; from −6 to 9
  83. Algebra

    If g(x) = x2 + 8x with x ≥ −4, find g−1(20)
  84. College Alg

    Find the inverse function of f. f(x) = 36 − x2 , 0 ≤ x ≤ 6 I can't seem to find this inverse, someone help please?
  85. College Algebra

    If g(x) = x2 + 6x with x ≥ −3, find g−1(55) I need help solving this problem this is an example but it does not thoroughly is explained. :/
  86. College Algebra

    nevermind I got it
  87. College Algebra

    A rectangular parcel of land is 20 ft longer than it is wide. Each diagonal between opposite corners is 100 ft. What are the dimensions of the parcel? This is an Example in the book but it does not clarify in the text book, Can anybody please show me how to do this?
  88. L.A the book

    C and A... just took the test
  89. educational technology

    3. adding transitions to slides in a presentation A. offers effects when moving from one slide to the next.***** B. adds animation to selected text and images. C. adds a new slide to a presentation in microsoft powerpoint. D. creates sound effects connected to an image. 4. ...
  90. HISTORY

    Choose two famous Americans who lived during the period 1820–1860. • Research the two people you chose. • Analyze your research. • Write a dialogue between the two famous Americans Can somebody help me with this? * Give me ideas for people * Research on the...
  91. acounting

    A company purchased and installed a machine on January 1 at a total cost of $72,000. Straight-line depreciation was calculated based on the assumption of a five-year life and no salvage value. The machine was disposed of on July 1 of the fourth year. The company uses the ...
  92. Setswana

    O tshwanetse go tlhompha setso sa gago
  93. science

    An experienced mountaineer decided to climb mount everest using the same route in the same season and with similar materials and equipment used by a fatal 1924 expedition . The scientific purpose of such a climb would be to
  94. science

    Pepsin,which speeds up the breakdown of protein,is classified as
  95. L.A.

    just thought I'd let you know 3 is wrong the correct answer I 1 because I just took the quiz and got that one wrong
  96. accounting

    im stuck too
  97. calc / physics

    Suppose that a 5-foot-long chandelier falls from a 35-foot ceiling and that you are 6 feet tall and standing directly under the chandelier (a) How long do you have to get out of the way when it drops? =-16(t^2)+Vt+h =-16(t^2)+0+(35-5-6) (for the bottom of the chandelier and ...
  98. science

    Agreed, "and his name is" is 100% correct! Thanks my dude!
  99. Algebra

    Oh thank that did help :D
  100. Algebra

    If twice the opposite of a number increased by five, then the result is the opposite of a number. What is the number? What is this even asking off me?
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