MIchael

Popular questions and responses by MIchael
  1. History

    Which accurately describes an impact of scientific innovation during the Renaissance? a. Invention of concrete helped the Byzantine Empire defend its borders from the Holy Roman Empire. b. Invention of concrete enabled the Holy Roman Empire to construct

    asked on November 7, 2017
  2. History

    Which option accurately describes Chinese culture’s motivation to sail vast oceans during the Age of Discovery? A. The Chinese sailed vast oceans to find a lost city of gold in South America. B. The Chinese sailed vast oceans to spread their culture

    asked on January 22, 2018
  3. history

    How was commerce changed in North America during the Clinton administration? NAFTA allowed for the free movement of citizens of all three countries throughout North America. NAFTA created incentives for North American businesses to move overseas due to the

    asked on June 10, 2019
  4. history

    Which option accurately describes the significance of the scientific theories of Isaac Newton? A. Newton’s theories helped scientists understand the significance of germs and sterilization. B. Newton’s theories helped scientists understand the

    asked on December 13, 2018
  5. calculus II SURFACE AREA Integration

    Find the exact area of the surface obtained by rotating the curve about the x-axis. y = sqrt(1 + 5x) from 1 ≤ x ≤ 7

    asked on October 31, 2011
  6. History

    Which accurately describes how Portuguese exploration efforts affected native African civilizations? A. The Portuguese traded or kidnapped Africans, eventually starting the transatlantic slave trade. B. The Portuguese explorers traded fox furs, corn, and

    asked on November 22, 2017
  7. history

    How have petro-economics shaped the Middle East? A. Economic competition among Middle Eastern states to be the top oil producer often becomes bitter. B. Arab nations have consolidated their power by negotiating the purchase of oil rights in neighboring

    asked on June 5, 2018
  8. History

    How did the French and Indian War contribute to new taxation policies in the American colonies? A. The French government imposed higher taxes on the American colonists in order to stockpile an artillery and defeat the British army. B. The American

    asked on January 22, 2018
  9. History

    What events led to the decline of the Chinese Nationalists? A. Soviet forces invaded china's heartland and teamed up with the socially progressive chinese nationalists to liberate the chinese peasants and rehabilitate the communists. B. The hostile chinese

    asked on May 18, 2018
  10. History

    Which accurately describe the theology of the Catholic Church during the Middle Ages? (Select all that apply.) a. Catholics could rise to the kingdom of heaven by faithfully following the seven sacraments. b. The price of sin was penance, through which

    asked on November 7, 2017
  11. Physics

    Jason takes off across level water on his jet-powered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis

    asked on November 3, 2012
  12. history

    How did Kennan’s Long Telegram shape the United States interaction with Communism throughout the world? A. The united states conquered communism by economically oppressing third-world nations. B. The united states created the european union to maintain

    asked on May 18, 2018
  13. History

    Which option best describes a difference between the ideas of humanists and those of the Catholic Church during the Renaissance? a. Humanists believed in a revival of Greek and Roman educational practices for the masses, whereas the Catholic Church kept

    asked on November 7, 2017
  14. Tangent problem

    For what values of a and b is the line 2x + y = b tangent to the parabola y = ax2 when x = 5?

    asked on November 3, 2010
  15. mathematics

    log3(4x+1)-log3(3x-5)=2

    asked on June 9, 2020
  16. chemistry

    the vapor pressure of water at 45.0 °c is 71.93 mmhg. Calculate the vapor pressure of a solution of 1.50 m Al(NO3)3 at this temperature (assume 100% dissociation)

    asked on July 16, 2013
  17. History

    Which options accurately describe ancient Greece’s influence on later civilizations? (Select all that apply.) A. Ancient Greece developed the Latin language, which later influenced all of the Romance languages. B. Ancient Greece developed gunpowder,

    asked on January 22, 2018
  18. chemistry

    A 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions? A. 0.0800 M Na2CO3 B. 0.100 M NaCl C. 0.0750 M Na3PO4 D. 0.0500 M NaOH

    asked on March 27, 2012
  19. History

    What were outcomes of the Council of Trent? (Select all that apply.) a. The council decided to develop new training practices for candidates to the priesthood. b. The council decided to launch another Crusade against the Arab Empire to reclaim Jerusalem.

    asked on November 9, 2017
  20. history

    Which statement most accurately examines the influence of American involvement in the Middle East during the presidency of George H. W. Bush? American involvement in the Middle East was at its height during the Bush administration due to Soviet influence

    asked on June 7, 2019
  21. history

    How did Nixon’s military missions in Cambodia impact American’s views? Nixon’s secret bombings led Americans to distrust the government. Americans saw Nixon’s extension of the Tet Offensive as essential for winning the war. Americans believed the

    asked on May 19, 2019
  22. History

    What was the significance of Martin Luther’s 95 Theses document? a. In it, Martin Luther condemned the Catholic Church’s interpretation of the Book of Genesis, leading Protestants to disregard the Old Testament. b. In it, Martin Luther criticized the

    asked on November 13, 2017
  23. History

    How did the case McCulloch v. Maryland cement the power of the federal government? The ruling stated the Constitution had established the right of the federal government to coin money in each state. The ruling clarified the balance of power between the

    asked on October 22, 2018
  24. Chemistry (mol)

    How many mol of NaHCO3 are in a 454 g box of baking soda (NaHCO3)? A. 3.81 x 10^4 mol NaHCO3 B. 1.85 x 10^–1 mol NaHCO3 C. 5.40 x 10^0 mol NaHCO3 D. 6.33 x 10^–20 mol NaHCO3 I tried doing the calculations and a came the closest but it wasn't exact...

    asked on January 26, 2018
  25. History

    Which accurately compares the theology that dominated during the Middle Ages with the philosophy that came to prominence during the Renaissance? (Select all that apply.) a. The Middle Ages followed humanist ideals, whereas the Renaissance followed a feudal

    asked on November 7, 2017
  26. history/english

    Read the paragraph from President Jimmy Carter’s speech “Energy and the National Goals—A Crisis of Confidence.” I ask Congress to give me authority for mandatory conservation and for standby gasoline rationing. To further conserve energy, I’m

    asked on January 22, 2019
  27. Physics

    a rocket of mass 1000kg containing a propellant gas of 3000kg is to be launched vertically. If the fuel is consumed at a steady rate of 60kg per seconds, calculate the least velocity of the exhaust gas if the rocket and content will just lift off the

    asked on March 3, 2018
  28. History

    Which accurately describes ideological differences between Catholicism and humanism during the Renaissance? a. The Catholic Church controlled education, whereas humanism supported private or state-supported education. b. The Catholic Church supported

    asked on November 7, 2017
  29. physics

    A hockey puck on a frozen pond is given an initial speed of 20.0 m/s. If the puck always remains on the ice and slides 115 m before coming to rest, determine the coefficient of kinetic friction between the puck and ice. (Answer: = 0.177 k μ )

    asked on February 11, 2012
  30. Mathematics

    Find the midpoint of the line segment with end coordinates of: (1,7) and (3,−2) Give coordinates as decimals where appropriate.

    asked on June 16, 2020
  31. Physics.

    An unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 120 km/h. Precisely 1.00 sec. after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 1.90 m/s^2 , how much time passes

    asked on October 7, 2010
  32. History

    Which of the following statements most accurately analyzes how the Philadelphia Convention shaped the new national government? It prevented Federalists from establishing a central government headed by a royal monarch, which was their original aim. It

    asked on October 22, 2018
  33. Trigonometry

    A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 80∘. How high does the ladder reach on the building? I did 19sin(80) to get me 18.76847847 for how high the ladder reach on the building... but when i put the

    asked on April 20, 2015
  34. history

    What led to the passage of the Pendleton Act? The government wanted to curb immigration. Voters wanted an end to Reconstruction. Government corruption was leading to overspending. Voters wanted an end to the spoils system. B?

    asked on January 23, 2019
  35. chemistry

    how would you prepare 60.0 mL of 0.200 M HNO3 from a stock solution of 4.00 M HNO3?

    asked on September 29, 2010
  36. History

    When the Constitution was ratified in 1787, Hamilton’s primary aims were to __________. Which option most accurately completes the statement? promote trade among the different sections of the country and allow for states to issue and regulate the value

    asked on October 22, 2018
  37. History

    Which option accurately describes events of the Industrial Revolution and subsequent emergence of capitalism? A. The Industrial Revolution resulted in the reemergence of the Catholic Church’s oversight of European monarchs and capitalist opportunities.

    asked on January 22, 2018
  38. Government

    1. Which of the following is true about the formal amendment process for the Constitution? A. Only citizen may propose an amendment. B. Only Congress may propose an amendment. C. Both houses of Congress may pass a resolution to propose an amendment. D. The

    asked on September 12, 2016
  39. Chemistry! Please Help !

    How many mol of xenon hexafluoride are produced from 4.01 x 10^2 mol of fluorine (F2)? Xe + 3F2 -> XeF6 A. 1.79 x 10^1 mol XeF6 B. 2.41 x 10^26 mol XeF6 C. 1.20 x 10^3 mol XeF6 D. 1.34 x 10^2 mol XeF6 Please help !

    asked on January 26, 2018
  40. physics

    A 7.00-kg bowling ball moves at 2.15 m/s. How fast must a 2.40-g Ping-Pong ball move so that the two balls have the same kinetic energy?

    asked on February 17, 2015
  41. HISTORY

    Which option most accurately explains how the Compromise of 1850 influenced the buildup to the Civil War? It replaced the Missouri Compromise and outlawed slavery in the former Louisiana Territory. It broke the 36 °30' parallel as a division between free

    asked on November 8, 2018
  42. History

    What was an impact of the United States entry into World War I? A. The arrival of fresh troops to the allied side forced germany to agree to a cease-fire within a year. B. Tensions developed between american and french troops over who would occupy the best

    asked on April 4, 2018
  43. history

    Which document enumerates the limitations of the federal government and the personal freedoms of United States citizens? Declaration of Independence Bill of Rights Articles of Confederation Albany Plan of Union B?

    asked on October 7, 2018
  44. statistics

    A retail store has implemented procedures aimed at reducing the number of bad checks cashed by its cashiers. The store's goal is to cash no more than eight bad checks per week. The average number of bad checks cashed is 3 per week. Let x denote the number

    asked on September 30, 2011
  45. Trigonometry

    1. 4sin^2x=3tan^2x-1 2. 8cos^2x-4cos^4x=3 3. 3secx-cosx=2

    asked on June 5, 2010
  46. History

    Which accurately describe ideological differences between Catholicism and humanism during the Renaissance? (Select all that apply.) a. Catholicism promoted the individual as the center of existence, whereas humanism promoted God as the center of existence.

    asked on November 7, 2017
  47. Chemistry

    An unknown gaseous hydrocarbon contains 85.63 % carbon. If its density is 0.488 g/L at 0.355 atm and 100°C, what is the molecular formula of the gas? I can't figure this out. By assuming the total mass to be 100g, I get 85.63g C and 14.37g H which I then

    asked on March 18, 2015
  48. Math

    The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 27 inches, how long is each spoke? Round your answer to the nearest hundredth. A. 2.93 B. 2.07 C. 8.59 D. 4.30 can someone explain how to

    asked on August 13, 2014
  49. calculus

    Find the absolute maximum and absolute minimum values of f on the given interval [π/4, 7π/4]. (Round all answers to two decimal places.) f(t) = t + cot(t/2)

    asked on March 2, 2012
  50. Calabasas HS

    A 46.2-mL, 0.568 M calcium nitrate [Ca(NO3)2] solution is mixed with 80.5 mL of1.396 M calcium nitrate solution. calculate the concentration of the final solution

    asked on September 28, 2010
  51. science

    How much heat is absorbed when 52.3 g H2O(l) at 100°C and 101.3 kPa is converted to steam at 100°C? (The molar heat of vaporization of water is 40.7 kJ/mol.)

    asked on June 27, 2013
  52. Physics

    Five Forces act on an object: 1. 60 N at 90 degrees 2. 40 N at 0 degrees 3. 80 N at 270 degrees 4. 40 N at 180 degrees 5. 50 N at 60 degrees What are the magnitude and direction of a sixth force that would produce equilibrium?

    asked on December 8, 2012
  53. history

    How did Jacob Riis’s photos in How the Other Half Lives influence American citizens? Americans were disheartened by working conditions of children. Americans were concerned by corruption in politics. Americans were upset by the plight of the mentally

    asked on January 23, 2019
  54. history

    Which of the following are elements of President Johnson’s Reconstruction plan? (Select all that apply.) It authorized military to enroll black voters and begin the constitution-making process. It required new state constitutions to meet conditions

    asked on December 12, 2018
  55. chem

    Use the balanced equation, N2 + O2 --> 2NO, to answer the following questions... A) How many grams of NO are formed from 10.0g of N2? I really don't know how to do this, so please show work so i know. There are more questions to this question but i want to

    asked on May 12, 2015
  56. Physics HW, Help Please

    A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.53 m and r1,y = -2.25 m in a lettuce garden to another location, with position vector r2,x = 3.91 m and r2,y = -4.65 m, where the lettuce

    asked on December 7, 2012
  57. History

    Which accurately describes Greek and Roman ideas that were revived during the Renaissance by humanist philosophers? a. The use of public baths to inspire communication and spread of news was revived during the Renaissance. b. Greek and Roman ideas about

    asked on November 7, 2017
  58. Mathematics

    Mary's age is 2/3 that of Peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in 5 years time. How old is Peter now? Explain your workings

    asked on November 7, 2011
  59. Math

    A kite flying in the air has an 11-ft line attached to it its line is pulled taut and casts a 9-ft shadow find the height of the kite If neccessary, round your answer to the nearest tenth

    asked on April 20, 2020
  60. Physics

    A 2.9 kg block slides with a speed of 2.1 m/s on a friction less horizontal surface until it encounters a spring. (a) If the block compresses the spring 5.6 cm before coming to rest, what is the force constant on the spring? (b) What initial speed should

    asked on April 17, 2020
  61. history

    What was the main element of President Lincoln’s Reconstruction plan? It required 50% of 1860 voters to take a pledge of allegiance swearing that they did not willingly aid the rebellion. It stated that slavery of any kind, except what is considered

    asked on December 12, 2018
  62. History

    What led to the viability of the Jamestown colony? A. Trading for furs with the Cherokee tribes to the south led to an increase in revenue. B. The acquisition of gold held by the Powhatan tribe improved the viability of the colony. C. The production of

    asked on January 22, 2018
  63. English

    In King Arthur's Knights, what happened to the knights who went in search of the Holy Grail? A. Two of them died and ascended to heaven while the third returned home. B. They found the Holy Grail and returned home with the blessing of the saint that had

    asked on December 11, 2017
  64. math

    A 16-ft ladder is placed 4-ft from the base of the building. How high on the building will the ladder reach?

    asked on December 3, 2012
  65. Physics Help, Please

    The figure below shows two speakers, A and B, which are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets

    asked on November 12, 2012
  66. physics

    A motorcycle daredevil wants to ride up a 50.0 m (50.0 m long, not 50.0 m high) ramp set at a 30.0° incline to the ground. It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels. If the

    asked on September 8, 2012
  67. Physics

    Can height be negative?

    asked on November 12, 2010
  68. Math

    Runner A crosses the starting line of a marathon and runs at an average pace of 5.6 miles per hour. Half an hour later, Runner B crosses the starting line and runs at an average rate of 6.4 miles per hour. If the length of the marathon is 26.2 miles, which

    asked on November 1, 2007
  69. history/english

    Read the excerpt from President Jimmy Carter’s speech “Energy and the National Goals—A Crisis of Confidence.” But after listening to the American people, I have been reminded again that all the legislation in the world can’t fix what’s wrong

    asked on January 22, 2019
  70. Chemistry

    Which of the following is an oxidation-reduction (redox) reaction? A. 2K(s) + 2H2O(l) → 2KOH(aq) + H2(g) B. 2NaN3(g) → 2Na(g) + 3N2(g) C. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) D. Fe(s) + Ni(NO3)2(aq) → Fe(NO3)2(aq) + Ni(s) E. all of the above

    asked on July 30, 2012
  71. Physics

    A projectile is shot straight up from the earth's surface at a speed of 1.20×104 KM/HR. How high does it go?

    asked on April 6, 2010
  72. calculus

    If a ball is thrown vertically upward from the roof of 64 foot building with a velocity of 64 ft/sec, its height after t seconds is s(t)=64+64t–16t2 . What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground

    asked on October 16, 2009
  73. history

    What was the impact of Reconstruction on civil rights? It provided women with the right to vote in the 1868 election through the Fourteenth Amendment to the Constitution. It provided the legislation for equal civil rights, but those rights were typically

    asked on December 12, 2018
  74. History

    How did Otto von Bismarck help to bring about German unification? A. As minister president, he achieved political compromises with the Prussian legislature. B. He became a strong influence on the king and encouraged the buildup of the military. C. He

    asked on April 3, 2018
  75. history

    Article I, Section 8 of the U.S. Constitution grants Congress the power to do all of the following EXCEPT ____.

    asked on October 11, 2016
  76. Algebra

    Which property is illustrated by the following statement? 2(-3/9)=(-3/9)2 A. Associative property of addition. B. Commutative property of multiplication. C. Inverse property of multiplication. D. Commutative property of addition.

    asked on September 28, 2016
  77. Maths

    if a spinner is divided into 6 equal parts ,when it's spun, what is the probability of spinning on 4?

    asked on July 13, 2016
  78. Physics

    A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the bearing of the plane. (Note that bearings are measured from north, clockwise.) Round results to appropriate number of significant

    asked on May 27, 2012
  79. Statistics

    I am having trouble with this problem. A participant in a cognitive psychology study is given 50 words to remember and later asked to recall as many as he can of them. This participant recalls 17. What is the (a)variable, (b)) possible values, and (c)

    asked on March 26, 2012
  80. statistics

    Suppose that the number of accidents occurring in an industrial plant is described by a Poisson process with an average of 1.5 accidents every three months. During the last three months, four accidents occurred. (a)probability that no more than 12

    asked on September 30, 2011
  81. Critical Numbers

    Find the critical numbers of the function on the interval 0 ≤ θ < 2π. f(θ) = 2cos(θ) + (sin(θ))^2

    asked on December 4, 2010
  82. chemistry

    1. Chlorobenzene, C6H5Cl, is used in the production of chemicals such as aspirin and dyes. One way that chlorobenzene is prepared is by reacting benzene, C6H6, with chlorine gas according to the following BALANCED equation. C6H6 (l) + Cl2 (g)

    asked on March 31, 2010
  83. Algebra

    For questions 20-21, begin with the following equation: y = 8x^2 + 10x + 3 . 20) Find the axis of symmetry. > -5/8 21) Identify the vertex as a maximum or minimum. > minimum ___________________________________ Please tell me if these answers are correct or

    asked on June 10, 2007
  84. Statistics

    As above, let Y1,…,Yn denote the i 'th number in the binary data set. Recall that Y1,…,Yn are assumed to be independent and identically distributed (i.i.d.) as some distribution Y . In the future, we will abbreviate this assumption with the notation

    asked on June 2, 2020
  85. Math

    What’s the coordinates of point A

    asked on March 21, 2019
  86. math

    Plz Help 1. what is the end behavior of the exponetial function f(x)=3/2*(4/5)^x? 2. use a graph to determine if the exponential function g(x)=-6*5^x is positive or negative and increasing or decreasing

    asked on January 31, 2019
  87. History

    What was the impact of the Battle of Tippecanoe? (Select all that apply.) The battle eliminated Native American resistance in the western territories. The battle inflamed tensions already growing between Americans and the British. Tecumseh went on to

    asked on October 11, 2018
  88. Statistics/Math

    1. A magazine is considering the launch of an online edition. The magazine plans to go ahead only if it's convinced that more than 25% of the current readers would subscribe. The magazine contacted a simple random sample of 500 current subscribers and

    asked on October 30, 2013
  89. Physics Hw Help Please

    The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. A tourist is obviously using the elevator to reach their hotel room and after a long ride finally arrives at the correct floor

    asked on November 11, 2012
  90. Social studies

    Who is Ferdinand Magellan

    asked on August 6, 2010
  91. Statistics

    Let X denote an exponential random variable with unknown parameter λ>0 . Let Y=I(X>5) , the indicator that X is larger than 5 . Recall the definition of the indicator function here is I(X>5)={1ifX>50ifX≤5. We think of Y as a censored version of the

    asked on June 2, 2020
  92. Trig

    Angle a lies in quadrant 2, and tan(a)= -(12/5). Angle B lies in quadrant 4, and cos(B)= (3/5). What is the exact value of sin(a+B) ?

    asked on March 5, 2020
  93. English

    What story element is developed in the excerpt "Pyramus and Thisbe"?

    asked on June 13, 2019
  94. history

    Which statement most accurately describes people’s perspectives on the Patriot Act? Americans approved of the measures believing that they would allow law enforcement officers to find terrorists, but also to catch criminals before they commit crimes. The

    asked on June 6, 2019
  95. history/english

    Read the excerpt from President Jimmy Carter’s speech “Energy and the National Goals—A Crisis of Confidence.” During the past three years I’ve spoken to you on many occasions about national concerns, the energy crisis, reorganizing the

    asked on January 22, 2019
  96. math

    This year, when Latifa and Jameel add their ages, the sum is 29. Latifa's age is 10 less than twice Jameel's age. The system of equations that represents this situation is {L+J=29L=2J−10 where L is Latifa's age and J is Jameel's age. How old is Latifa?

    asked on December 13, 2018
  97. math

    Mike had a jar of nickels that had five more nickels than he originally thought. If the total amount of nickels was $4.35, how many nickels did Mike think he had originally?

    asked on March 5, 2016
  98. chemistry

    a block of metal has a volume of 13.4in^3 and a weight of 5.14 lb. what is its density in grams per cm^3? Show operation

    asked on July 10, 2014
  99. english

    Identify the capitalized part of the sentence. The main event WILL be a memory contest. subject, predicate, direct object, indirect object, predicate noun, predicate adjective,

    asked on October 19, 2013
  100. Physics Help, Please!

    When a car goes around a curve (without skidding), on a level road, Select one: a. no friction force is needed because the car simply follows the road. b. the friction force of the road on the car increases when the car’s speed decreases. c. the friction

    asked on November 4, 2012

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