jean

Newest questions and responses by jean
  1. World History

    What effect did the launching of Sputnik have on American society? 1.It created a sense of national pride in American technology. 2. It ultimately led to a growth in the size and scope of government. 3. It led the government to take a less involved role in

    asked on February 13, 2019
  2. World History

    What legacy was established after the Holocaust for nations to deal with genocide? 1.The Nuremberg Trials provided a plan for countries to conduct international courts in a postwar world. 2. The Potsdam Conference established war reparations as a method

    asked on February 13, 2019
  3. World History B

    What was the main purpose of the League of Nations? 1. to create friendly feelings among countries 2. to restore the economy of Western nations 3. to help President Wilson get elected 4. to maintain territorial and political independence Is the answer 4?

    asked on February 13, 2019
  4. World History B

    Which analyze effects of World War I on the internal politics of Russia? (Select all that apply.) A)Communists were able to gain power through a second revolution in the political chaos of the war. B) Russia’s alliance with emerging democracies of France

    asked on February 13, 2019
  5. World History B

    Which most accurately describe the risks of using bitcoins in a virtual black marketplace? (Select all that apply.) A) Bitcoin-related fraud is difficult to prosecute due to anonymity. B) New virtual currencies make bitcoin users seem old-fashioned. C) The

    asked on February 8, 2019
  6. World History B

    Which most accurately describes one point of conflict between supporters and critics of the climate change theory? A) Critics demand immediate controls, while supporters want to take time to study the warming trend. B)Supporters demand immediate controls,

    asked on February 8, 2019
  7. World History B

    Which explains a consequence of the rise of global virtual markets? A) International trade has become stagnant due to open borders. B) The growth of regional economies is limited to local resources. C)Virtual shopping limits the product selection from

    asked on February 8, 2019
  8. World History

    Read the statement. Finally, you have broader considerations that might follow what you would call the “falling domino” principle. You have a row of dominoes set up, you knock over the first one, and what will happen to the last one is the certainty

    asked on February 2, 2019
  9. World History B

    Which is the most accurate description of Mao Zedong? A) a student of Communism who led an army of peasants to unify mainland China, commanding it as General Mao B) a general who used the army to overthrow China’s last imperial dynasty, taking the throne

    asked on February 2, 2019
  10. World History B

    Which explain how outside factors influenced the conflict in Vietnam in the years after World War II? (Select all that apply.) A) At the threat of an invasion from the Soviet Union, the non-Communist leader in South Vietnam resigned in favor of Communist

    asked on February 2, 2019
  11. social studies

    Middle SchoolHistory 5+3 pts 1. The Pacific islands formed by coral reefs are called (1 point) A. volcanic. B. reefs. C. atolls. D. plates. 2. What is a reason few people have settled in the interior of Australia? (1 point) A.No mineral wealth is in the

    asked on January 30, 2019
  12. World History

    How did Europeans use the idea of eugenics to justify colonization and imperialism? Europeans theorized that their economic superiority justified their claim to foreign resources for technological advancement. Europeans thought that their scientific

    asked on January 13, 2019
  13. World History

    Which examines the impact of Napoleon’s territorial conquest on the world? (1) Unification of the Rhine created a new European imperial power in Africa. (2) The establishment of the Napoleonic code allowed for the codification of natural resources.

    asked on January 13, 2019
  14. English

    My apple trees will never get across. Which figure of speech is this??

    asked on March 28, 2018
  15. chem

    A sample of iron absorbs 71.1 J of heat, upon which the temperature of the sample increases from 21.5°C to 28.8°C. If the specific heat of iron is 0.450 J/g-K, what is the mass (in grams) of the sample?

    asked on March 25, 2018
  16. chem

    The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O2 (g) → 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced?

    asked on March 25, 2018
  17. AP Statistics

    I was sick and when I came back to school I received this question as homework and I don't understand it... Jenny is a 60 percent free-throw shooter She gets to shoot a second free throw if and only if she makes her first shot. She can score 0 points( if

    asked on January 2, 2018
  18. Maths

    The formula for a simple interest rate is I = PRT and Total Balance = P + I The formula for compound interest is B = P × (1 + 〖r/n)〗^nt Adam invests £55,000 at interest rate of 4% per annum

    asked on December 19, 2017
  19. Chemistry

    An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 62.0 amu, what are the relative percentages of the isotopes?

    asked on October 25, 2017
  20. statistics

    Car seat belts are tested for strength, and it is found the results are normally distributed with a mean of 2400 lb and a standard deviation of 400 lb. Using the 68-95-99.7 rule, find the percentage of scores between 1600 lb and 3200 lb.

    asked on August 5, 2017
  21. physics

    the rate at which radiant energy from the sun reaches the earth's upper atmosphere is about 1.50kW/m2. the distance from the earth to the sun is 1.50*10^11m, and the radius of the sun is 6.96 * 10^8m. if the sun radiates as an ideal black body (e=1), what

    asked on May 7, 2017
  22. Math

    In a survey of students about favorite sports the results include 23 who like tennis 24 like football 7 like tennis and football 20 like football and baseball 5 like all three sports 9 like no sports. How many students like only tennis and football? How

    asked on October 1, 2016
  23. chemistry

    Consider the equilibrium reaction CO(g)+H2O(g)⇋CO2(g)+H2(g) Determine how each change in the left-hand column will stress the system and in which direction the equilibrium reaction will shift in response.

    asked on April 18, 2016
  24. physics

    How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?

    asked on January 22, 2016
  25. Statistics

    what is the standard deviation for 57,61,57,57,58,57,61

    asked on January 10, 2016
  26. precalc

    Find the standard form equation for each ellipse described. 1) Major vertices at (0, 3) and (0, -3), minor vertices at (2, 0) and (-2, 0) 2) Major vertices at (7, 0) and (-7, 0), foci at (5, 0) and (-5, 0) 3) Minor vertices at (-2, -3) and (-2, -11), foci

    asked on December 8, 2015
  27. Intro to Ecology

    Global estimates of denitrification in terrestrial ecosystems vary widely but are of the order 200*102 g/yr, and more than half of that total occurs in wetland ecosystems. If restoration results in an increase in wetland area by approximately 25%, it would

    asked on October 20, 2015
  28. math

    7x-3y+4z=18 13x+6y+8z=30 11x-9y-12z=16 Find x,y,z please show the solution pleaseee

    asked on October 4, 2015
  29. statistics

    A multiple-choice quiz has 15 questions, each with 4 possible answers of which only 1 is the correct answer. What is the probability that a student gets 7 to 11 correct answer?

    asked on September 10, 2015
  30. Solid Mensuration

    A triangle has a base of 16 inches and an altitude of 8 inches. Find the dimensions of the largest rectangle that can be inscribed in the triangle if the base of the rectangle coincides with the base of the triangle.

    asked on August 19, 2015
  31. Calculus

    The balloon leaves the ground 80 ft. from an observer and rises vertically upward at 5 ft/s. (a) How fast is the balloon receding from the observer after 12 seconds? (b) find the corresponding acceleration? How do I sketch it? and what equation should I

    asked on August 12, 2015
  32. Calculus

    A man 5.5 ft tall walks away from a lamp post 10 ft high at the rate of 8 ft/s. (a) How fast does his shadow lengthen? (b) How fast does the tip of the shadow move? Can you please tell me what method/s you used to come up with a solution? I wasn't sure

    asked on August 12, 2015
  33. calculus

    find the equation of the curve for which y'''=24x-6 if the curve passes through (-1,8) and is tangent to the line y=4x at (1,4). help please thanks :-)

    asked on August 10, 2015
  34. calculus

    if the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant acceleration should he maintain?

    asked on August 10, 2015
  35. calculus

    a particle starts from rest and moves along a straight line with an acceleration equal to 24-15√t where distance and time are measured in terms of feet and seconds respectively. with what acceleration will the particle return to the starting point? help

    asked on August 10, 2015
  36. calculus

    a stone dropped from a balloon which was rising at the rate of 15 ft./sec. reached the ground in 8 seconds. how high was the balloon when the stone was dropped?

    asked on August 10, 2015
  37. calculus

    If the driver of a car wishes to increase his speed from 20 mph to 50 mph while traveling a distance of 528 ft., what constant acceleration should he maintain?

    asked on August 6, 2015
  38. calculus

    a particle starts from rest and moves along a straight line with an acceleration equal to 24-15√t where distance and time are measured in terms of feet and seconds respectively. with what acceleration will the particle return to the starting point?

    asked on August 6, 2015
  39. calculus

    A stone dropped from a ballon which was rising at the rate of 15 ft./sec. reached the ground in 8 seconds. how high was the ballon when the stone was dropped? please help :-) thank you

    asked on August 6, 2015
  40. calculus

    a parachutist falling at the rate of 15 ft./sec. drops a stone. if he was 904 ft. above the ground when the stone was dropped, how long would it take the stone to reach the ground?

    asked on August 4, 2015
  41. calculus

    a particle moves according to the law a=1/t √t. if s=8 when t=1. and s=16 when t=4. find v when t=9.

    asked on August 4, 2015
  42. SLCS

    Paul and Juston are carrying a sack or rice weighing 6.02x10^2 N on a pole between them. If the pole is 2.0 m long and the load is .50m away from Juston,what force should each boy exert to make it equilibrium. Neclect the weight of the pole.

    asked on August 2, 2015
  43. Math

    Serena is an account executive. She receives a base pay of $18 an hour plus a 15% bonus for all the sales she generates. Last week she generated $1,200 worth of business. What is the minimum number of hours she could have worked to make $500?

    asked on June 30, 2015
  44. Pharmacy Tech

    20.) To find out if a drug causes nausea, you would look in this section of the drug monograph. a) adverse reactions b) contraindications c) how supplied d) warnings I am leaning towards a but not sure..I could also think it could be d as well...am

    asked on April 28, 2015
  45. physics

    a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. What is the speed of the bullet as it leaves the gun? If the gun is fired straight up, how high will the bullet go?

    asked on April 23, 2015
  46. math

    solve: 2x + 5 = 3x - 9

    asked on April 4, 2015
  47. Trig

    How do you derive this identity? Cos(t)=1-sin^2(t/2)

    asked on March 11, 2015
  48. calculus

    Use iterated integral to find the area enclosed by r=2sin2(theta). How do i graph this?

    asked on October 15, 2014
  49. calculus

    Z=square root of(x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.

    asked on September 24, 2014
  50. math

    The domain and range of ln(4-x-y). Thanks.

    asked on September 24, 2014
  51. math

    Z=square root of (x^2+y^2) + xy Find the partial derivatives: x, xx, y, yy, xy. Thanks.

    asked on September 24, 2014
  52. math

    The partial derivative with respect to y for z=e^y sin(xy) is: zy= xe^y cos(xy) + e^y sin(xy) How do i get to this answer? Thanks.

    asked on September 23, 2014
  53. math

    Find the rectangle with the maximum area inside the ellipse x^2/16 + y^2/4=1. Thanks.

    asked on September 21, 2014
  54. physics

    If a 2kg car with a momentum of 12kg m/s collides with a stationary 4kg car, the total momentum after the collision will be?

    asked on September 18, 2014
  55. Statistics – Lab Week 2

    11. Using the empirical rule, 68% of male heights should be between what two values? Either show work or explain how your answer was calculated.

    asked on September 12, 2014
  56. physics

    The vertical acceleration of a projectile A)equals g pointing sometimes upwards and other times downwards. B)equals g pointing upwards C)is zero. D)equals g pointing downwards E)continuously increases. Thanks!

    asked on September 11, 2014
  57. physics

    A child, who is 45 m from the bank of a river is being carried downstream by the river's swift current of 1.0 m/s. As the child passes a lifeguard on the river's bank, the lifeguard starts swimming in a straight line until she reaches the child at a point

    asked on September 3, 2014
  58. Math

    If a hallway is 90 feet long & 7 feet wide and it takes 1/2 ounce of cleaning solution to clean 1 square foot, how much cleaning solution is needed to clean the hallway?

    asked on July 10, 2014
  59. physics

    croquet ball must have a set mass of 0.50 kg. a red ball moving at 10.0 m/s, strikes an at-rest green ball head on. The red ball continues moving at 1.5 m/s after it hits the green ball. What is the final speed of the green ball?

    asked on May 15, 2014
  60. Milford DE

    #6 Plot Story map for the other wife

    asked on March 26, 2014
  61. Visual Basic

    Write a statement that assigns the length of an array named strAddressBook to a variable named intAddressCount.

    asked on March 5, 2014
  62. Computers

    Write a statement that assigns the length of an array named strAddressBook to a variable named intAddressCount.

    asked on March 5, 2014
  63. chemistry

    very hot sinc will react with steam to form zinc oxide and hydrogen. If 5.4 liters of hydrogen was used to use up 20 g of zinc completely. What is the percent yield of this process

    asked on February 12, 2014
  64. 20th century Europe

    The 20th century European dominance was replaced by what?

    asked on February 1, 2014
  65. american government

    the professional qualification model in the selection of judges holds that

    asked on January 12, 2014
  66. Business math

    Using the price per dinner that you determined in the previous question, calculate the following. If Epicure offers a $1-off coupon in a newspaper advertisement, what markdown percent does the coupon represent? (Round percent to the nearest tenth.)

    asked on September 13, 2013
  67. Physics

    A rock is ejected vertically upward at 40 m/s. At what time is the rock moving at 20 m/s upward.

    asked on July 1, 2013
  68. algebra

    Question Four x - 7y = 15 -3x + 21y = - 45

    asked on May 29, 2013
  69. economics

    Bob and his dad visited the hardware store on Saturday. They observed the following transactions: Mr. Harris bought 4 for 0.50, Mrs. Clarke bought 21 for $1.00, Mr. Montaro bought 1,134 for $2.00 and Ms. Park bought 450 for $1.50 What were they buying?

    asked on May 19, 2013
  70. American National government

    According to the trustee model of representation, members of Congress must do what

    asked on May 5, 2013
  71. math

    find the value of x in the equation 6x +4(70-x)=300

    asked on April 4, 2013
  72. Intro to Logic

    10. A strongly supported claim in science should be regarded as

    asked on March 30, 2013
  73. math

    simplifying expressions

    asked on February 23, 2013
  74. macro-economics

    1.In an attempt to curb the problem of unemployment and win the forthcoming elections the government of the republic of zambia has decided to hire unemployed workers who had previously been receiving unemployment benefits as government employees and will

    asked on February 13, 2013
  75. political science

    Critically evaluate plato's justification of rule by philosopher kings. Please help its needed the soonest

    asked on February 5, 2013
  76. science

    What is science

    asked on January 27, 2013
  77. chemistry

    balance net Ionic solution AgNo3 + NaOH

    asked on January 25, 2013
  78. political science

    is politics an art or a science? give proper reasons for chosen side.(its an essay)

    asked on January 17, 2013
  79. political science

    what are the argument for and against politics being a science

    asked on January 16, 2013
  80. political science

    Is politics a science or not? Give a reasons for answer

    asked on January 15, 2013
  81. economics

    John has a job that requires him to travel 3 of every 4 weeks. He has an annual budget and can travel either by train or by plaine. The airline on which he typically flies has a frequent traveler programme that reduces the cost of his tickets according to

    asked on January 2, 2013
  82. economics

    John has a job that requires him to travel 3 of every 4 weeks. He has an annual budget and can travel either by train or by plaine. The airline on which he typically flies has a frequent traveler programme that reduces the cost of his tickets according to

    asked on January 2, 2013
  83. Business Math

    Being inventory of 12 sets of paints at a cost of $1.50 each. During the year the store purchased 4 sets at $1.60, 6 sets at $2.20, 6 sets at $2.50, and 10 sets at $3.00. By the end of the year, 25 sets were sold. Caculate the number of paint sets in stock

    asked on December 26, 2012
  84. Business Math

    Lee Corp. purchased 10 key chains on January 1, 2010 for $9.00 each and 5 key chains were purchased on December 1, 2010 for $10.00. Seven were sold. What would be the inventory amount for LIFO, what would be the inventory amount for FIFO

    asked on December 26, 2012
  85. Business Math

    Assume you lease a $45,000 BMW. Using a straight- line method with a 3- year ueful life and is a $16, 675 residual value, what is the book value of the BMW after the first year?

    asked on December 20, 2012
  86. Business Math

    Jim Clinnin purchased a used RV with 19,000 miles for $46,000. Originally the RV sold for $70,000 with a residual value of $20,000. After subtracting the residual value, depreciation allowance per mile was $.86. How much was Jim's purchase price over or

    asked on December 20, 2012
  87. Business Math

    Jim Company bought a machine for $36,000with an estimated lofe of 5 years. The residual value of the machine is $6,000 Calculate (a) the annual depreciation and (b) the book value at the end of year 3. Assume straight-line depreciation

    asked on December 20, 2012
  88. Business Math

    From the following facts, complete a depreciation schedule using thee straight - line cost of Highlander- $30,000 residual value- $6,000 estimated life- 8 years

    asked on December 20, 2012
  89. business

    A usefful personal and business investment site with in-depth detail on personal financial planning. After reading a March 19,2009 , article"Preparing a Portfolio for Retirement," Arlene Supple, 47 years old, is evaluating her retirement portifolio. She

    asked on December 9, 2012
  90. math

    a computer store sold a total of 300 items last month. the store sold six times as amny hard drives as they did CD-ROM drives, andhalf as many floppy drives as hard drives. based on this information, how many of each items were sold

    asked on December 9, 2012
  91. math

    subtract the fraction 74/5 from the fraction 18 6/15 and reduce your answer to the lowest terms.

    asked on December 8, 2012
  92. math

    add the fractions 2/3, 3/8, and 5/12 and reduce your answer to the lowest terms

    asked on December 8, 2012
  93. math

    a lumberyard makes picnic tables for $87.00 and sells them for $127.89. what is the percent markupbon each picnic table based on cost?

    asked on December 8, 2012
  94. math

    convert 5/8 to a decimal

    asked on December 8, 2012
  95. math

    convert 5/8 to a decimal

    asked on December 8, 2012
  96. Business Math

    John Roe, an employee of the Gap, loans $3000 to another employee at the store. He will be repaid at the end of 4 years with interest at 6% compounded quartly. How much will John be repaid?

    asked on December 5, 2012
  97. Business Math

    Lee Willis loaned Audrey Chin $16000 to open Snip Its Hair Salon. After 6 years, Audrey will repay Lee with 8% interest compounded quartly. How much will Lee receive at the end of 6 years?

    asked on December 5, 2012
  98. Business Math

    Lee Holmes deposited $ 15,000 in a new savings account at 9% interest compounded semiannually, At the beginning of year 4, Lee deposites an additional $40000 at 9% interest compounded semiannually. At the end of the 6 years what is the balance in Lee;s

    asked on December 5, 2012
  99. Chemistry

    find the volume of 56.4 g of a substance that has a density of 2.42 g/mL

    asked on November 8, 2012
  100. economics

    According to your text, our main sources of ethical standards are religion and A. philosophy. C. culture. B. social habit. D. circumstances

    asked on November 1, 2012

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