Questions and answers by visitors named Marie


  1. In which nation did a nationalist military regime lead the country to invade its neighbors and help launch World War II?

    A. China B. Japan C. Korea D. Mongolia i think it s c am i right?

  2. Drag and drop the country names to classify them by type of economy that they have today.

    a. China, b. Japan ,c. Mongolia, d. North Korea 1.command economy 2. market-based economy, 3. command economy with limited market reforms i think that A is 2, B is 1,

  3. How would I write 212 km in 6 h as a unit rate?

  4. Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor.

    (a) Write the balanced equation. (Use the lowest possible coefficients.) 1Fe3O4(s) + 4H2(g)-> 3Fe(s) + 4H2O(g) (b) This process

  5. Use the drop-down menu to complete the sentence.

    After 1945, a civil war in China led to the rise of a____ government there. A. Imperial B. Democratic*** C. communist D. fuedal

  6. Please Please Please help me! I'm really behind and need to get this done and i'm really confused.

    1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of

  7. Use the drop-down menus to complete the sentences.

    Early Chinese rulers established1._______ by conquering and uniting kingdoms under the rule of one emperor. From 624 to the early 1100s, the 2.______ ruled over a golden age of prosperity before the Mongols

  8. A cattle rancher wants to enclose a rectangular area and then divide it into six pens with fencing parallel to one side of the rectangle (see the figure below). There are 480 feet of fencing available to complete the job. What is the largest possible total

  9. Please! Please! Please help me really quick! Pleae check my answers!

    1. A population of oak trees growing in a region in Canada experiences a change in climate to much colder temperatures and much drier conditions than they have had for many decades. What

  10. Please Please Please Check my answers!!

    1. The leaders of the Virginia Company recruited more settlers and reorganized the colony. They allowed the new settlers to own land. Those settlers began to grow tobacco, a crop they learned about from the Indians.

  11. Two lovers have a spat and swear they will never see each other again. The girl walks due south at 6 mph while the boy walks at 10 mph on a heading of North 60 degrees West. How fast is the distance between them changing 30 minutes later?

  12. the pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill??

  13. Select the correctly punctuated sentence.

    A) He arrived at the hospital with a heavily, bleeding gunshot wound. B) He arrived at the hospital with a heavily bleeding, gunshot wound. C) He arrived at the hospital with a heavily bleeding gunshot wound. I

  14. Police use a formula s = S √1/L , where S is the test-car speed and L is the test-skid length, to find the actual speed s in an accident which left a skid mark of l. Find the actual speed s (nearest whole mph) when S=45 mph, 1=150 ft, L=100 ft.

  15. A triangle has vertices A(2,3,7), B(0,-3,4) and C(5,2,-4)

    A) determine the largest angle in the traingle b) determine the area of of the triangle pls tell me how to solve the problem

  16. In liposuction, a doctor removes fat deposits from a person's body. If body fat has a density of 0.94g / m * L and 3.8 L of fat is removed, many pounds of fat were removed from the patient? Express your answer using two significant figures.

  17. How much heat is necessary to change 305g of ice at -11c to water at 20c

  18. If the digits of the number are reversed, the number is increased by 36. The sum of the digits in the number is two and one–half times their difference. What is the number?

  19. Simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28.

    A.2 square root of 12 B.2 square root of 2 C.6 square root of 5 - 4 square root of7 D.6 square root of 10 - 4 square root of 14

  20. A factory is to be built on a lot measuring 210 ft by 280 ft. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory.

  21. Two students on roller skates stand face-toface,

    then push each other away. One student has a mass of 96 kg and the second student 56 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.

  22. You are given a piece of sheet metal that is twice as long as it is wide an has an area of 800m^2. Find the dimensions of the rectangular box that would contain a max volume if it were constructed from this piece of metal by cutting out squares of equal

  23. You have been asked to design a "ballistic spring system" to measure the speed of bullets. A bullet of mass m is fired into a block of mass M. The block, with the embedded bullet, then slides across a frictionless table and collides with a horizontal

  24. Fluorine reacts with oxygen to yield oxygen difluoride.

    2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L

  25. How many grams of calcium carbonate, CaCO3, do you need in an antacid tablet to neutralize 20 mL of stomach acid? (stomach acid is 0.1 M HCl. There are 3.65g of HCl in 1L of stomach acid or 1g of HCl in 274g of stomach acid).

  26. For the average person that is still growing, the rate of change in weight W (in pounds) with respect

    to height h (in inches) is approximately dW/dh=0.0015h^2 pounds per inch. Suppose that the average person that is 60 inches tall weighs 108 pounds. Find

  27. $M is just sufficient to pay for the wages of one qualified teacher for x days or the wages of one relief teacher for y days. For how many days will $M be sufficient to pay for the wages of one qualified teacher and one relief teacher? Give your answer in

  28. When 25.0g of Zn reacts, how many L of H2 gas are formed at 298K abd a oressure of 854mmHg?

  29. If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same resistance?

  30. A spy in a speed boat is being chased down a

    river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.4 m waterfall. The spy’s speed is 14 m/s and the officials’

  31. According to Newton's second law, when the same force acts on two bodies, the body with the larger mass will have the ________ acceleration.

  32. A triangular number is a number that can be represented by dots arranged in a triangular shape. The first four triangular numbers are 1, 3, 6, 10. What is the 10 triangular number? The 20th? The 100th?

  33. Which geometric figure could not be drawn using both perpendicular line segements and parallel line segements?

    A.a pentagon B. a rectangle C. a trapezoid D. a triangle IS the answer(D) a triangle

  34. A mass is vibrating at the end of a spring of force constant 225 N/m. On a position x vs time graph, how do you determine:

    How much energy did this system originally contain?

  35. I have to complete an internet search to find 3 examples of mission statements for human services organizations. Then I have to write 1050-1400 word paper evaluating the mission statements. Show how each one of the mission statements does or does not meet

  36. How much heat is added to a 10.0 g of ice at -20.0 degrees Celsius to convert it to steam at 120.0 degrees Celsius?

    compute and add the following heats: heat to heat ice from -20C to 0C heat to melt ice at 0C Heat to heat water from 0 to 100C heat to

  37. A rectangular mural measures 3.5 feet by 5.5 feet. Rosalie creates a new mural that is 1.5 feet longer. What is the new perimeter of Rosalie's new mural?

  38. hydrogen gas filled a 0.075L container at 156`C. What would it's new volume be at 25`C?

  39. Sammy is laying brick in his front walkway. The rectangular path measures 3/5 feet by 4/9 feet. What is the area of space that will be covered with bricks?

  40. If the caffeine concentration in a particular soda is 1.79 mg/oz, drinking how many cans of soda would be lethal? Assume10.0 g of caffeine is a lethal dose, and there are 12 oz in a can.

  41. With daylight saving, our pearl grandfather clock now strikes the hour at the 3 and not at 12 o'clock. How do we fix it to gong on the 12?

  42. If you have the derivative of a function, you normally can take the antiderivative in order to find almost the exact original function (say almost since any number that doesn’t have a variable would just have C replace it since we can’t calculate that

  43. Suppose I’m thinking of a function f(x) and I know that the slope of its graph at the point (x,f(x)) is given by e^(-4x). Suppose I also know that f(1)=e^-4. Find the formula for the function.

  44. Is the sentence written in Active or Passive Voice? Write an A for active and P for Passive.

    ______11. The dishes were washed by Jane. ______12. During the intermission, our band played several numbers. ______13. Eleanor loves the Rolling Stones. ______14.

  45. The quadratic equation x2 −2kx+(k−1) = 0 has roots a and b such that a2 +b2 = 4. Without solving the equation, find the possible values of the real number k

  46. What is the force of gravity between the earth (5.972x10^24kg) and Mars (6.39x10^23kg) when they are at their maximum distance of 4.01x10^11m?

  47. What is the force of gravity between the earth (m=6.0x10^24 kg) and the moon (m=7.35X10.22kg) when they are 3.44x10^8 m apart?


    A sample of 5 observations collected in a regression study on two variables, x(independent variable) and y(dependent variable). The sample resulted in the following data. summation (x_i-xbar)2=15, summation (x_i-xbar)(y_i-ybar)=60, xbar=3, ybar=10

  49. Estimate the sum of the alternating series the sum from n equals 0 to infinity of the quotient of negative 1 raised to the nth power and the quantity 2 times n factorial within an error of 0.0001.

    Type your answer in the space below and give six decimal

  50. Find the area of the region that is inside the graph of r = 1 and outside of the graph of r = 1 + cos (θ). (4 points)

    A) 1.127 B) 1.215 C) 1.275 D) 1.375

  51. What is evidence that the Fe(NO3)3 that is a catalyst in a reaction with H2O2 has been consumed and regenerated?

  52. Why does Miep react this way?

    a. she wants to gain control of the situation b. she is shocked by his insults c. she plans to confess her crimes

  53. Which word or phrase signals a passage in time?

    a. in order to*****? b. for this reason c. initially d. yet

  54. 7b^2 = 343

  55. Why is a federal system of government more complex than a unitary system?

    A. Power is divided into many levels. B. The people get to make laws for the country. C. Decisions are made by a group of people rather than one person. D. Laws are made for the

  56. What are the three similarities between the Roman republic government and the United States government? What are the three differences between the Roman republic government and the United States government?

  57. What is the volume at STP of hydrogen gas in mL that is produced when 4.32 g of magnesium reacts with 205 mL of 0.118 M hydrochloric acid?

  58. Given the function f(x)=4|x|, write f(x) as a piecewise function that does not include absolute value symbols.Please fill the blanks

    f(x)=blank; when x≤ blank f(x)= blank; when x> blank

  59. One day in January the temperature at 9:00 p.m. in Juneau, Alaska, was 2°F. By 11:00 p.m. the temperature had dropped 5°. What was the temperature at 11:00 p.m.?

  60. Respond to the following as utilitarian ethicists:

    How shall we reason through to the decision of the law enforcement authorities at the 1972 Munich Olympics? How are we to balance protecting people versus allowing people to participate in and enjoy an

  61. Hello, I just need some help checking my answers:)

    1. which of the following would NOT work a newspaper, either in print or online form? a. a graphic designer b. an investigative journalist c. a printer d. a superintendent *my answer * 2. A/V professionals

  62. How does this sound?

    As I read the history of cochlear implants, I found that the individuals in the Deaf World were never consulted about developing a device such as the cochlear implant to help them hear. No one had asked them if they really wanted to

  63. I am writing a paper on why the Deaf community does not want to have cochlear implants. I've been told I need a hook in the first paragraph. This is what I wrote, does this sound good? The first sentence is what I added.

    In 1961 when the first cochlear

  64. A time when a certain type of development is most likely to happen and happens most easily is called:

    _____ Period Thank you in advance for the help! (:

  65. in both plant and animal cells , the cell membrane

  66. Suppose that y varies directly with x and y=3 when x=9. what is y when x=18?

  67. Hi! I was wondering if I could get some general essay advice. I'm writing the Common App essay for college and I thought about structuring it like a science experiment final report with a question, hypothesis, research, procedure, etc., describing my love

  68. Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s , due to human reaction time at the start and stop moments.What is the percent uncertainty of a handtimed measurement of 6 s ? What is the percent uncertainty of a

  69. A company is offering a job with a salary of 48000 and a raise of 2 percent each year. Write a formula to represent the salary after each year then determine after 30 years.

  70. Jim buys a bike that is on sale for 25% off the original price. The original price is $120 more than the sale price. What is the original price of the bike?

  71. 1. What did Herman Davis do that inspired Arkansans to name a state park after his honor

    A) He represented Elaine Riots defendants in their Supreme Court case. B) He founded the red cross to support the war effort. C) He served bravely as a sharp shooter

  72. What was the most important result of the English victory over the Spanish Armada?

    A. through religious devotion B. through better military strategy **** C. with a larger navy D. by cutting off the Spanish food supply

  73. What's the formula for finding the strength of an electric field?

  74. how to calculate the approximate temperature of P92 in statistic

  75. Cezar ised nails, screws, and pegs to build a model house. He used twice as many as pegs and 3 fewer nails than screws. He used 15 nails. How many pegs did he use?

  76. The "trouble with television" Robert Mac Neil voices a strong opinion about television in a paragraph explain his opinion. then tell whether you agree or disagree with him. Support your view with at least two pieces of evidence from Mac Neil's essay or

  77. Pressure acting on 30 m^3 of a gas is reduced from 2 to 1 atmospheres. What new volume does the gas occupy? (Boyles law)

    What if it is increased from 1 to 2? What new volume?

  78. the trouble with television Robert MacNeil voices a strong opinion about television in a paragraph explain his opinion then tell whether you agree or disagree with him support your view with at least two pieces of evidence from MacNeil's essay or from your

  79. 62 is the sum of 16 and hectors score

  80. Relate the wave speeds of red, orange, yellow, green,blue and violet with the speed of light.

  81. Explain the relationship between visible light spectra and frequency.

  82. Explain the relationship between visible light spectra and wavelength.

  83. Explain the relationship between visible light spectra and energy.

  84. A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 6 interactions. If there are 3 children, there can be 15

  85. Two metal sphere, suspended by vertical cords, initially touch. Sphere 1, with mass 30g is pulled to the left to a height 8.0 cm and then released. After swinging down,

    it undergoes and elastic collision with sphere 2 whose mass is 75 g. a) What is the

  86. The major axis of the ellipse lies on the line y=3 and has length 6; the minor axis lies on the line x=–4 and has length 4;

  87. What is the amount of $480 invested at 6% quarterly for a period of 3 years?

  88. Hi I wrote this today and I wondered if you could help me see if there is anything wrong with my grammar:

    "Je me levé à dix heures. Je suis monte les escaliers pour prendre le petit déjeuner. J’ai mange une tranche de pain avec fromage. J’ai bu

  89. what is the physics principle behind fiber optics

  90. The number of cattle on a ranch was four times the number of horses. After 280 cattle were sold, there were twice as many horses as cattle. What were the total numbers of horses and cattle on the ranch before the 280 were sold?

  91. need help with these;

    What best shows the broadest trend in modernization of Texas' economy? A. At one time, most Texans worked in agriculture; now the economy is more diverse. B. Oil is no longer the dominant industry in the state. C. The entertainment and

  92. A sphere and a right cylinder have the same radius and volume. the cylinder has a height of 3 inches find the radius.

  93. Determine whether the equation y=2x^4-8x+6 has a graph that is symmetric with respect to the​ y-axis, the​ x-axis, the​ origin, or none of these

  94. Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. The lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. The height of the trapezoid is 12 ft.

    What is the area of the stage? Enter your answer in

  95. When the North Pole is tilted toward the Sun, which hemisphere will have the summer season?

    Northern Hemisphere - June

  96. Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24).

    The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you

  97. 1/3 gallon of tea into 3 cups. How much in each cup?

  98. How can I write subtraction problems as an equivalent addition problem?

    9_7=x x-6=3

  99. Let x = the number of birds that Tim has. Let y = the number of dogs that Tim has.

    Tim has more than twice as many dogs as he has birds. Tim has more than 2 birds. The total number of dogs and birds that Tim has is less than 11. Set up an appropriate system

  100. For the given equation of line:

    y = 0.5x - 2 identify slope and based on slope (without graphing) determine if line goes upwards, downwards or stay horizontal.


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