Questions Asked on
July 15, 2014

  1. English

    (2) Revise the following groups of sentences. Combine each group of sentences into a single cohesive sentence. • Plato was born around 428 B.C. His family was part of the Roman aristocracy. Many of his family members were active in politics. But Plato

  2. English

    Revise the following sentences so that the subject and verb of each sentence identify key actors and actions: • The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed. o To encourage students of all

  3. physics

    A toy plane p starts flying from point A along a straight horizontal line 20 m above ground level starting with zero initial velocity and acceleration 2 m /s² as shown. At the same instant, a man P throws a ball vertically upwards with initial velocitu

  4. English

    Rewrite the following paragraph. Add colons and semicolons where needed. Note that a spelling/grammar-checker does not always catch these errors. One of the most exciting experiences in my life was traveling to Uruguay in South America in June of 2005,

  5. Physics mit 2.01x

    F13Q1_1: COMPOSITE BAR UNDER DISTRIBUTED LOADING The composite bar AB has length L and is fixed at A(x=0). The bar has a constant cross-section and is composed of two steel plates, of modulus Es=2E0 sandwiching a copper core of modulus Ec=E0. The steel

  6. Science

    A researcher collects high-resolution photographs of the Earth taken from outer space at annual intervals for the last decade. This data would be most useful to analyze which of the following? A. Human movement during crises B. Migration patterns of large

  7. Science

    Fitness is a result of which of the following factors? A. Overproduction B. Adaptation C. Variability D. Homology I think it is B. not sure

  8. math

    evaluate 5x^2+3xy-y^2 when x=3 and y=-3

  9. Geometry

    If a circle has a radius length of 2x units, what is the circle’s circumference?

  10. chemistry

    275 ml of active ingredient is added to 725 ml of an alcohol based solution. What is the final strength (v/v)

  11. English

    1. She was very beautiful. 2. She was beauty itself. 3. She was all beauty. 4. She was a beauty. -------- Are they grammatical and do they have the same meaning? Do you have other expressions describing that a woman is very beautiful?

  12. physics

    An 800 kg police boat slows down uniformly from 50 km/h [E] to 20 km/h [E] as it enters a harbour. If the boat slows down over a 30 m distance, what is the force of friction on the boat? (Hint: You will need to convert the velocities into m/s.)

  13. vocab

    1. My mind and body were so (oppressed, heeded) by the stifling heat that afternoon that I couldn't do anything at all ans. heeded 2. Education and compassion are the only weapons by which we will (heed, vanquish) prejudice and superstition once and for

  14. vocab

    The smile of joy she gave me when she received the award was ample (recompense, incentive) for all the time and effort I had spend in helping her. Ans. recompense

  15. Calculus Help

    Using the revenue function R(q) = 510q and the cost function C(q) = 9400+3q2. Round your answers to the nearest whole number. a) At what quantity is profit maximized? q = b) What is the total profit at this production level? profit = $

  16. Math Help

    write in decimal form 2.158x10^9

  17. maths

    The speed of a boat in still water is 8km/h. It travels upstream for a distance of 1.5km and returns(downstream) to the starting point. If the whole trip takes 2/5 hours, find the speed of the stream flow.

  18. English

    The young woman looked at the two men. Then with a lovely smile, she held out her hand and said,"Hello, Mr. Easton...... In the second line, what is the meaning of 'then'? #1 or #2? 1. At that time 2. After that

  19. English

    1. The two men were handcuffed together. 2. The two men were handcuffed by the police officer. --------------------- Does #1 mean #2? The situation is as follows: There were two men in the train. One was a police officer, and the other was a young man.

  20. English

    1. Cats are various colors. 2. Cats are of various colors. (Which one is correct?) 3. This paper is not clean. Give me another piece. 4. This paper is not clean. Give me another piece of paper. 5. This piece of paper is not clean. Give me another piece of

  21. Healthcare

    Compare the similarities and differences of the principles of communication you learned in Week One with the major components of health communication you learned in Week Eight. What observations do you have from your comparison? Include a list of the

  22. English

    1. I saw two movies: one was a scary movie and the other was a comedy. 2. I saw two movies: one was a scary movie and the other was a comedy movie. ------------------ Q1: Does #1 mean #2? Q2: Can we use 'horror movie' instead of 'scary movie'? What is the

  23. English

    1. I have ten balls. Some are red, others are blue, and the other is green. 2. I have ten balls. One is green, some are red, and the others are blue. 3. I have ten balls. One is green, others are red, and the others are blue. -------------------------

  24. chemistry

    A certain sample of gas has a volume of 500 ml. at a pressure of 1.5 atmosphere.What will be its volume if the gas is submerged toa pressure of 5 atmosphere at constant temperature?

  25. math

    What is the equation of the line that passes through (-2, 2) and (1, -4)?

  26. math

    A square pyramid has sides of 8 m. Each face is an equilateral triangle. What is the lateral area of the pyramid?

  27. English

    1. I will finish it by tomorrow evening. 2. I will have finished it by tomorrow evening. ---------------- Which one is grammatical?

  28. Math

    An inverted right cone, half filled with water. I've only the volume of the entire cone to go from. So the volume of the cone = 1/3 the base area * height I've been told by a friend that the base area of a half scale cone = 1/4 of the larger cones base

  29. chemistry

    The concentration of vinegar was obtained by titration. 20 ml of vinegar required 43.2 ml of 0.350 M sodium hydroxide. Find the concentration of vinegar

  30. vocabulary

    The editor's comments about the novel's "____" narrative ____ the writer. a. gruesome.. marred b. notable... frustrated c. unscathed.. inflated d. stodgy... disheartened Ans B With her ___ complexion and ____ dress, the actress resembled the ghost of a

  31. physics

    If Zulfiqar fold this colored paper as shown in the image, which cube will he get? A C B D

  32. Chemistry

    How much ethanol must be used to prepared 150 mL 10% by volume?

  33. Chemistry

    A solution of acetic acid was prepared by mixing glacial acetic acid with water.The solution was 25% of acetic acid by volume.How much glacial axetic acid must be used to prepare 120 mL of desired volume?

  34. SCI 207

    Climate change studies suggest the worst impacts will be felt by the wealthiest people. TRUE OR FALSE

  35. Chemistry

    Glauber's salt undergoes a phase transition according to the following equation: Na2SO4*10H2O(s)--> Na2SO4*10H2O(l) ∆H = 74.4 kJ/mol Calculate the mass (g) of Glauber's salt (use the masses to two decimal places found in the front of your text) needed to

  36. physics

    Mrs bautista accelerates her bicycle uniformly along a straight path from 10.5 m/s to rest in 5.2s. A. What is her acceleration? B. What is her displacement during this time interval?

  37. physics

    A sinusoidal wave on a string is described by the equation y = (0.191 m) sin (0.745 x - 42.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 11.7 g/m ... a) ... determine the phase constant. b) ... the phase

  38. Chemistry

    A saturated solution is made by dissolving 0.252 g of a polypeptide (a substance formed by joining together in a chainlike fashion some number of amino acids) in water to give 1.92 L of solution. The solution has an osmotic pressure of 3.69 torr at 25 °C.

  39. Chemistry

    Benzene reacts with hot concentrated nitric acid dissolved in sulfuric acid to give chiefly nitrobenzene, C6H5NO2. A by-product is often obtained, which consists of 42.86% C, 2.40% H, and 16.67% N (by mass). The boiling point of a solution of 5.5 g of the

  40. economics

    Using an aggregate demand and supply diagram, explain how each of the following scenarios affects the equilibrium price level and aggregate output. Consider first the short-run, then the long-run equilibrium for each scenario. a) Consumers expect a

  41. physics

    A charge with a value of 3.0 x 10^-5 C is located 3.0 cm from a charge with a value of 6.0 x 10^-5 C. Determine the distance from the larger charge to the point where the total electric field is zero

  42. physics

    A particle with a charge of -4.0x10^-5 C, a mass of 2.0x10^-7 kg and a velocity of 6.0x10^4 m/s [W] is travelling perpendicularly through an external magnetic field such that the force of gravity is balanced by the magnetic force. Determine the direction

  43. science

    Calculate the volume of a graduated cyclinder that has a radius of 10 mm and a height of 120 mm.

  44. Algebra

    You are walking away from home at a constant velocity of 5 km per hour. The first landmark you see is your favorite fountain which happens to be 2 km from your house. Which of the following sequences describes the distances you cover at internals of one

  45. spanish

    Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentence correctly. 1. El rey que canta está tocando el tambor. The king that used to sing is playing the drum. 2. Él y ella está tomando jugo. He and she are

  46. Algebra

    graph a line with the indicated slope and y-intercept. slope=-6 y-intercept=(0,7)

  47. Algebra

    given the point-slope equation y+8=-5(x-6), state the indicated point of the graph

  48. Algebra

    find a equation for the line containing the given points. Let x represent the number of years after 2000 and y the number of volunteers in millions. x=5.4 millions y=.11.2 million

  49. vocabulary

    The editor's comments about the novel's "____" narrative ____ the writer. a. gruesome.. marred b. notable... frustrated c. unscathed.. inflated d. stodgy... disheartened Ans D

  50. VOCABULARY

    1. Barren is to produce as a. inhumane is to abuse b. timid is to fear c poised is to enjoy d ignorant is to know Ans d 2. resume is to career as a. ruce is to war b. speaker is to oration c. synopsis is to plot d. paragraph is to sentence Ans b 3. scurry

  51. VOCAB

    1. hearth is to heat as a. lamp is to light b. sink is to kitchen c. door is to lock d. bed is to blanket ans. a 2. Basket weaving is to handicraft as a. profession is to medicine b. carpentry is to trade c. skill is to talent d. hobby is to stamp

  52. Unified field theory

    Einstein sought to discover a unified field theory that would explain the behaviour of all fields. What evidence have you seen to suggest that such a theory exists? Is there anything to suggest that it doesn't?

  53. English

    1. Look at the scared boy. 2. Look at the scary monster. 3. Look at the scaring boy. 4. Look at the scaring monster. 5. Look at the scary boy. 6. Look at the scared monster. ----------- Are they all grammatical? What is the difference?

  54. English

    1. Some people said yes and others said no, and the others said nothing. 2. Some people said yes and others said no, and the others remained silent. 3. Some people said yes and others said no, and the rest said nothing. 4. Some people said yes and others

  55. English

    1. I am learning another language. 2. I am learning one more language. 3. I am learning a different language. ---------------- Does #1 mean #2 or #3?

  56. Chemistry

    1. A solution is prepared such that it is 0.45 M in formic acid and 0.35 M in sodium formate. a) Where is this mixture located on a titration curve: before the buffer point, at the buffer point, or after the buffer point? b) Use the Henderson-Hasselbach to

  57. vocab

    select 2 word that are most nearly opposite in meaning 1. a. humdrum b. leisurely c. grueling d. miscellaneous ans b & c 2. a. hanker b. grovel c. hurtle d. patronize ans. b & c

  58. US Government

    -------- allows the voters to directly elect the president. A)The District Plan B) Direct Popular Election C) The Proportional Plan D) The National Bonus Plan

  59. US Government

    _________ allows States to split their electoral votes to mirror the popular vote within the particular State. A) Direct Popular Election B) The Proportional Plan C) The District Plan D) The National Bonus Plan

  60. chil development

    One way to test for the validity of research methods is to? A. Compare children's answers to different halves of the same test B. Test for inter-rater reliability C. Compare children's answers on different forms of the same measure D. See how effective the

  61. drivers' ed.

    Are there some merge points where some drivers are entering while other drivers are exiting in close proximity? I was trying to get on earlier today, and if I had accelerated too sharply, I would have come close to a vehicle that was straight ahead of me.

  62. Chemistry

    Determine the pH of the following solutions: a) A 250.0 mL solution that contains 0.125 M benzoic acid and 0.147 M sodium benzoate. b) The solution in part (a) after 30.0 mL of 0.510 M hydrochloric acid has been added. a. Ka = 6.3 x 10^-5 pKa = 4.20 pH =

  63. Science

    Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways? A. Until disproved, an explanation for an observation is valid. B. Certain concepts cannot be subjected to direct

  64. psychology

    A hypothesis is what an investigator uses to: duplicate research findings of other scientists. frame his/her research question. explain why he/she obtained a certain result from an experiment. define the parameters of a research study. determine what kind

  65. math

    A few pieces of cloth, each of length 4 m 25 cm, are cut from a 170 m long cloth piece such that no cloth is left. How many pieces are cut from the long piece of cloth?

  66. math

    In the year 1950, the total quantity of rice produced in India was two crore five lakh eighty thousand tonnes. In the year 2001, India produced nine crore ten lakh fifty thousand tonnes of rice.

  67. History

    Why was the Quasi-war called the undeclared war with France?

  68. math

    Consider the given statements. 1. Every prime number is odd. 2. There are 8 prime numbers between 10 and 40. 3. There are 11 composite numbers between 0 and 20. 4. The number 4 is the smallest even composite number.

  69. math

    A pattern is given as: 1 = (1 × 2) ÷ 2 1 + 2 = (2 × 3) ÷ 2 1 + 2 + 3 = (3 × 4) ÷ 2 1 + 2 + 3 + 4 = (4 × 5) ÷ 2 1 + 2 + 3 + 4 + 5 = (5 × 6) ÷ 2 and so on What will be the value of 1 + 2 + 3 + 4 + 5 + ....+ 20?

  70. math

    Three hundred thirty six students of school A and four hundred thirty two students of school B were to participate in a parade. For this, they had to stand in rows in such a way that no students of school A and B would get mixed up and the number of

  71. math

    Consider the given statements. 1. Every prime number is odd. 2. There are 8 prime numbers between 10 and 40. 3. There are 11 composite numbers between 0 and 20. 4. The number 4 is the smallest even composite number. Which two given statements are

  72. math

    In the year 1950, the total quantity of rice produced in India was two crore five lakh eighty thousand tonnes. In the year 2001, India produced nine crore ten lakh fifty thousand tonnes of rice. In the year 2001, how much more rice was produced in India as

  73. History

    Was Washington's farewell address printed in newspapers? or was it verbally said?

  74. Lisa

    The square of the sum of 2x and 3y is equal to the sum of the square of y and the square root of x. Which of the following represents this statement? I got: (2x + 3y)^2 = y^2 + √x But the correct answer choice is (2x + 3y)^2 = y^2 + x^2 I don't

  75. History

    what were some causes of the panic of 1819?

  76. trig

    Wires are attached to a pole to make it more secure. The diagram shows one of those wires having a length of 220 feet. The angle of elevation from the ground to the top of the pole is 36. What is the height of the pole? A. 178.0 ft B. 374.3 ft C. 159.8 ft

  77. History

    Does America's place in world affairs reflect its economic position?

  78. maine s

    what is the rate of return on an initial investment of $2000 and you generate $500 return?

  79. Calculus Help

    using the cost function C(q) = q3−60q2+1200q+760 for 0 ≤ q ≤ 50 and a price per unit of $551. Round your answers to the nearest whole number. a) What production level maximizes profit? q = b) What is the total cost at this production level? cost = $

  80. Calculus Help

    At a price of $7.5 per ticket, a musical theater group can fill every seat in their 1500 seat performance hall. For every additional dollar charged for admission, the number of tickets sold drops by 95. a) What ticket price maximizes revenue? Round your

  81. Calculus Help

    The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be $88 per chair if only 260 chairs are bought, but will be discounted by $0.2 per chair (on the entire order) for every chair ordered in

  82. Math

    simplify. 2[-3(2x+4)+8(3x-2)]

  83. Social Studies

    what was George Washington's profession? Answer: surveyor

  84. Social Studies

    what was the name of Washington's home? Answer: Mount Vernon

  85. English

    How do you pronounce 'firemen'? Do 'fireman' and 'firemen' have the same pronunciation?

  86. Social Studies

    what was the name of Abraham Lincoln's home and where was it located? Answer: It is either Sinking Spring Home or Knob Creek Farms, and both were located near Hodgenville, Kentucky

  87. Social Studies

    what is the name of the war associated with Abraham Lincoln? Answer: Civil War what is the name of the war associated with George Washington? Answer: The American Revolutionary War

  88. Social Studies

    what Monuments were built to honor Washington and Lincoln? Answer: For Washington it was the Washington Monument For Lincoln it was the Lincoln Memorial

  89. gender roll of development

    Do you think it is possible our biological make up dictate whether we will be maternal or parental and we choose our roles accordingly ?