Lydia

Newest questions and responses by Lydia
  1. history

    The _______________addresses many of the concerns raised by the Declaration of Independence, including freedom of speech, the press, religious practice, assembly, and petition. First Amendment Magna Carta Federalist Papers Second Amendment The first ten

    asked on November 7, 2018
  2. history

    Because every day Americans vote on representatives who in turn vote on legislation, rather than Americans voting on issues directly, our system of government is known as a _____________. republic nation constitutional monarchy democracy The 3/5ths

    asked on November 3, 2018
  3. math

    Sinea wants to spend money using the same ratios as on her last trip to the carnival. If she spends $28 on games, how much will she spend on souvenirs? Snacks Games Souvenirs Sine $5 $8 $18

    asked on October 13, 2018
  4. History

    Which best describes how European powers of the 16th century used the economic theory of mercantilism to grow their wealth? A) European nations maximized the sale of exports and established tariffs to restrict colonies from trading with foreign nations. B)

    asked on September 22, 2018
  5. History

    Which best describes the significance of the Treaty of Tordesillas? A) It was the first time in world history that two European nations sought a third party to mediate a dispute regarding foreign lands. B) It was the first time in world history that two

    asked on September 21, 2018
  6. History

    Which accurately describes the exploration efforts of Francisco Pizarro? A) Pizarro led expeditions to modern-day Pennsylvania and established a Quaker colony. B) Pizarro led a fleet of three ships—the Niña, Pinta, and Santa Maria—to the Bahamas. C)

    asked on September 21, 2018
  7. 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.

    asked on October 15, 2017
  8. Math

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

    asked on October 14, 2017
  9. 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)

    asked on October 10, 2017
  10. 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

    asked on September 26, 2017
  11. chemistry

    What is a saturated solution?

    asked on September 11, 2017
  12. 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

    asked on September 6, 2017
  13. 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

    asked on September 4, 2017
  14. 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

    asked on September 3, 2017
  15. chemistry

    Are Si valence electrons shared? Are C valence electrons shared? please help

    asked on August 31, 2017
  16. 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'

    asked on August 30, 2017
  17. 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

    asked on August 24, 2017
  18. 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

    asked on August 22, 2017
  19. 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

    asked on August 22, 2017
  20. 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

    asked on August 22, 2017
  21. 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

    asked on August 22, 2017
  22. 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.

    asked on August 21, 2017
  23. 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

    asked on August 21, 2017
  24. 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.

    asked on August 21, 2017
  25. 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

    asked on August 19, 2017
  26. 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,

    asked on August 19, 2017
  27. 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

    asked on August 17, 2017
  28. chemistry

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

    asked on August 17, 2017
  29. science

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

    asked on August 17, 2017
  30. 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

    asked on August 17, 2017
  31. 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

    asked on August 17, 2017
  32. 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

    asked on August 17, 2017
  33. 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

    asked on August 16, 2017
  34. science

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

    asked on August 16, 2017
  35. 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 :(

    asked on June 9, 2017
  36. 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

    asked on March 14, 2017
  37. 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 H₂O at 20°C.) * 34 g 204 g ***** 2040 g 3. (1 point) If the

    asked on March 13, 2017
  38. 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 H₂O at 20°C.) * 34

    asked on March 10, 2017
  39. 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

    asked on March 5, 2017
  40. Science

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

    asked on March 1, 2017
  41. 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?

    asked on October 26, 2016
  42. english

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

    asked on October 22, 2016
  43. english

    Chinua Achebe's Things Fall Apart as a Postcolonial novel

    asked on October 22, 2016
  44. english

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

    asked on October 22, 2016
  45. 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

    asked on September 13, 2016
  46. 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

    asked on August 4, 2016
  47. 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

    asked on April 17, 2016
  48. 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?

    asked on March 24, 2016
  49. 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

    asked on February 29, 2016
  50. 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

    asked on January 30, 2016
  51. 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)

    asked on January 30, 2016
  52. 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

    asked on January 30, 2016
  53. physics

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

    asked on January 22, 2016
  54. 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

    asked on December 12, 2015
  55. 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

    asked on August 3, 2015
  56. 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

    asked on August 3, 2015
  57. College Algebra

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

    asked on July 22, 2015
  58. 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?

    asked on July 22, 2015
  59. Algebra

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

    asked on July 21, 2015
  60. Algebra

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

    asked on July 21, 2015
  61. 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?

    asked on July 21, 2015
  62. 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. :/

    asked on July 20, 2015
  63. 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

    asked on July 13, 2015
  64. 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

    asked on March 12, 2015
  65. 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 *

    asked on March 12, 2015
  66. 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

    asked on February 22, 2015
  67. 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

    asked on January 21, 2015
  68. science

    Pepsin,which speeds up the breakdown of protein,is classified as

    asked on January 21, 2015
  69. 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

    asked on October 1, 2014
  70. 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?

    asked on August 27, 2014
  71. math equation

    Please help me to work this out using the inversion method (I'd appreciate if you could provide a step by step breakdown (I don't understand how to do it and my math really sucks!!): Jim spent 1/3 of his salary on food. He spent 1/4 of it on shoes. He has

    asked on June 12, 2014
  72. Math Help? Check my answers.

    1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial? 6x^4 + 3x^3 - 2x^2 + 15x - 14 5 4 3 2 3. In the expression -7x - 5x^2 + 5, what is the coefficient of x? 7 5 -5 -7

    asked on May 19, 2014
  73. Math Help? Check my answers.

    1. Find the next three terms in the sequence. 30, 22, 14, 6, ... -3, -12, -21 -1, -8, -15** -1, -2, 3, -2, -10, -18 2. Find the next three terms in the sequence. 3, 6, 9, 12, ... 15, 18, 20 15, 19, 20 15, 18, 21 14, 18, 21** 3. Find the next three terms in

    asked on April 23, 2014
  74. english

    Which of the following sentences contains an italicized word that's used as a predicate adjective? A. Jerry looks into the microscope. B. Jerry looks ill today. C. Jerry looks at the map. D. Jerry looks disdainfully at the pile of laundry. I think it's B.

    asked on March 21, 2014
  75. math

    how do you do this problem of inequality -2(-3x4 > 3(5-2x)

    asked on November 4, 2013
  76. Math

    How can you write a unit rate if at least one term is a fraction? How is this different from writing a unit rate where both terms are whole numbers?

    asked on September 5, 2013
  77. Mahlangu

    Identify one environmental or human factor that causes ill health,accidents,crises and disasters within your community or any other community within South Africa.

    asked on June 18, 2013
  78. Chemistry

    Explain how water of hydration is related to measurement. Then explain how it is related to the law of definite composition

    asked on April 7, 2013
  79. Geometry: Student Correction (Stuck)

    Joelle set up the following proportion: 4/6 = 5/x. Solve for x. Determine if proportion is correct. If not, explain what is wrong with it.

    asked on March 29, 2013
  80. Geometry

    Triangle ABC has vertices of A(0,0), B(–4,0)and C(–2,4). The coordinates of each vertex in triangle AEF are multiplied by 3 Is triangle ABC~AEF? Explain.

    asked on March 29, 2013
  81. Chemistry

    What is the percent by mass of glucose in a solution containing .15 mol of glucose dissolved in 410 g acetic acid? The molar mass of glucose is 180g/mol.

    asked on March 1, 2013
  82. Math (9th grade)

    Write an equation in point slope form of a line parallel to 12x-2y=6 and passes through the point (-4,-3)

    asked on January 29, 2013
  83. Chemistry

    A reaction is peformed in which 50 ml of .400M silver nitrate and 75 ml of .100M hydrochloric acid are mixed together. The initial temperature of the solutionn was 25 C and the final temperature was 27.2 C. What is the enthalpy, in kj/mol, for the

    asked on November 18, 2012
  84. chemistry

    what is the sum coefficient and balanced equation of : Co(OH)3+Na2CO3 my answer is 3Co(OH)3+ 3Na2CO3---> 3CoCO3+ 3Na2OH

    asked on October 9, 2012
  85. chemistry

    How could you use a precipitation reaction to separate the following pair of cations: K^+ and Hg2 ^2+? (write the formula and net formula for each reactant)? The answer is Hg2 ^2+ (aq) + 2Cl- (aq) = HgCl2(s) but how do I work it out?

    asked on October 7, 2012
  86. chemistry

    How do I balance the following equation by the half-reaction method (it takes place in basic solution)? Fe(OH)2(s) + O2(g) = Fe(OH)3(s) the answer is 4Fe(OH)2(s) + 2H20(l) + O2(g) = 4Fe(OH)3(s) but how do I work it out?

    asked on October 7, 2012
  87. Math (12th)

    What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...

    asked on September 27, 2012
  88. literature

    Is Pride and Prejudice identified more with Romanticism or Realism? Even though it was written during the Romantic period, it seems more like Realism to me. Is this correct? Thanks!

    asked on March 18, 2012
  89. Math please help urgent !

    Find the slop of the tangent to the curve y=(10-sqrt x)(5+sqrt x) at x=25

    asked on February 29, 2012
  90. Cross country running

    how do you keep motivated to keep going even though your body wants to quit?

    asked on February 20, 2012
  91. Cross country running

    Can I do anything for side cramps during a race?

    asked on February 20, 2012
  92. Cross country running

    How does one deal with another runners joy after getting sufficiently skunked? In other words, Can I get some tips on how to be a good sport when I get creamed during a race?

    asked on February 20, 2012
  93. science

    what is the geometry around each carbon in ethanoic acid

    asked on February 14, 2012
  94. history

    The Philippine-American war was A) a minor event for americans B) more costly than the spanish american war C) fought in a traditional manner D) never completely resolved E) over even before the spanish american war

    asked on February 2, 2012
  95. English

    What is an example in "Antony and Cleopatra" of Casear displaying a disposition to not want to go to war? Thank you!

    asked on January 18, 2012
  96. physics

    A 29 g rubber bullet is travelling to the right at 200 m/s, when it hits a 1.1 kg block of wood sitting on a horizontal frictionless surface. If this collision is inelastic (though not perfectly inelastic), and the velocity of the block of wood after the

    asked on November 8, 2011
  97. physics

    Assume you are given two objects whose centre of mass is located exactly at the origin. The first object has a mass of 33 kg and is located at position +30 m with respect to the origin. If the mass of the second object is 7.0 kg, what is its position (in

    asked on November 8, 2011
  98. physics

    Ian is firmly attached to a snowboard which is on a flat surface of ice, which you can assume to be frictionless. He and the snowboard are initially at rest. He then throws a 138 g ball which travels at a speed of 19.2 m/s, and finds himself moving

    asked on November 8, 2011
  99. physics

    What is the magnitude of the momentum of a car weighing 1,555 N when it is moving at a speed of 23 m/s? Express your answer in kg m/s.

    asked on November 8, 2011
  100. physics

    Assuming maximal power output, how long, in seconds, would it take a 1,535 kg car with a 128 hp engine to accelerate from 50 km/h to 102 km/h? (1 hp = 746 W)

    asked on November 8, 2011

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