ANON

Questions and responses by ANON, page 9
  1. World History

    How do the beliefs of being a Christian and being a Crusader contradict each other? How are the ideas of the Crusades used today for both Christians and Muslims?

    asked on December 1, 2013
  2. Physics

    TORQUE, ROTATION AND TRANSLATION A Yo-Yo of mass m has an axle of radius b and a spool of radius R . Its moment of inertia about the center can be taken to be I=(1/2)mR2 and the thickness of the string can be neglected. The Yo-Yo is released from rest. You

    asked on November 24, 2013
  3. physics

    A 660 kg car is being pushed along a flat parking lot at a constant speed of 1.52 m/s. The coefficient of friction between the road and the car is 0.31. What force is being used to push the car?

    asked on October 13, 2013
  4. physics

    Consider an ideal spring that has an unstretched length l0 = 3.9 m. Assume the spring has a constant k = 20 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a

    asked on October 11, 2013
  5. social studies

    A 150 years ago nearly 3/4 of the working people in this country worked on farms. By the beginning of the 1980s only 1/40 did. Clearly automation "destroyed" many farms jobs. But if technology were really eliminating work, we would expect unemployment .

    asked on September 8, 2013
  6. physics

    water is moving at a velocity of 2m/s through a hose with an internal diameter:1.60cm. What is the flow rate in liters per second?

    asked on December 11, 2012
  7. English-Grammar

    Which of the following is an example of an adverbial clause fragment? A.wherever there is a chance for a fabulous meal B.who described the book as a compelling masterpiece C.that the poet choose words carefully to convey a particular tone I think the

    asked on December 9, 2012
  8. physical science

    how much heat is absorbed by pouring 10 grams of 100 degree C liquid water on a students hand. The water is cooled to body temperature 37 degree C

    asked on October 22, 2012
  9. Precalculus

    The figure shows part of a curve traced by a point on the circumference of a circle of radius 4 that rotates, without slipping, around a fixed circle of radius 2. The rotating circle starts with angle t = 0 radians and the point P (x, y) at (10, 0). In

    asked on January 20, 2012
  10. algebra

    The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2 a. Express the length l as a function of the period t b. How long is a pendulum whose period is 3 seconds. Is the answer 2 sec for a

    asked on December 13, 2011
  11. Anime

    How would you differentiate anime from American animated series/films? Is it in the story-line, art, etc.? Do they influence one another? Also, how has anime evolved over time, and what exactly is its purpose?

    asked on November 2, 2011
  12. Spanish

    Can you double check if I followed the directions correctly this time too and the answers were correct. Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following sentences in Spanish.Be sure the verb is

    asked on March 25, 2011
  13. Calculus (double check my anser please)

    Evaluate integral e^3x cosh 2x dx. A.1/2 e^5x + 1/2 e^x + C B.1/10 e^5x + 1/2e^x + C

    asked on March 13, 2011
  14. Calculus (please check my answer)

    Find the Avrage value of the function i=15(1-e to the power of -1/2 t) from t=0 and t=4? A.7.5 sqrt 1+4e^-2 -e^-4

    asked on March 13, 2011
  15. trigonometry

    This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are

    asked on February 28, 2011
  16. trigonometry

    is this correct? sin 255degrees 225 = 180 + 45 sin(225) = sin(180 + 45) = sin(180)cos(45) + cos(180)sin(45) sin(225) = 0 + (-1)(sqrt2/2) sin(225) = -(sqrt2)/2

    asked on February 23, 2011
  17. Chemistry

    Determine the pressure in a 125-L tank containing 56.2 kg of oxygen gas at 25 °C. So, PV=nRT I convert 25 °C to 298.15 K Do I have to convert anything else? What else do I do?

    asked on January 19, 2011
  18. Ochem

    For the reaction between chloroacetic acid and 4-chlorophenolate to synthesize 4-chlorophenoxyacetic acid, why is this reaction a sn2 reaction?

    asked on January 15, 2011
  19. Earth Science

    What causes the intensity and duration of solar radiation received at any place to vary throughout the year?

    asked on October 30, 2010
  20. Chemistry

    The element niobium has bcc packing with a body-centered cubic unit cell. The volume of the unit cell is 3.59 x 10-26 L. Calculate the density (g/cm3) of the element

    asked on May 12, 2010
  21. Math

    Write an equation for a rational function whose graph has all of the indicated features. x - intercept of -4 y - intercept of -2 vertical asymptote with equation x = 2 horizontal asymptote with equation y = 1

    asked on March 21, 2018
  22. Physics

    A 6.50 horsepower self propelled lawn mower is able to travel at 0.56 m/s, starting from rest, in 0.050 s. If the lawn mower has a mass of 48.0 kg, what distance does the lawnmower travel in that time? (1 hp = 746 W)

    asked on February 21, 2018
  23. Resistance, Circuits

    A PRT consists of 9.0 m of wire of diameter 8.0×10−2 mm. The voltmeter reads 0 V when l1 =0 .44m. If the standard resistor, R, has a resistance of 224Ω, what is the resistivity of platinum?

    asked on January 6, 2018
  24. American Government

    I'm writing a research paper about amending the U.S. Constitution. It has to outline the procedures for amending the constitution, and explain the path of one successful amendment and one unsuccessful amendment. What would be a good title for this paper?

    asked on December 22, 2017
  25. Geometry

    Write a coordinate proof to show that triangle FGH congruent triangle FDC

    asked on December 12, 2017
  26. physics

    a block of stone has a density of 2.75 g/cm3. the block has a mass of 3.30 kg. it measures 6.00 cm wide by 8.00 cm high by L cm long. how do i find L? if the block was in water with density of 1000kg/cm3 what would the buoyant force on the block be?

    asked on December 5, 2017
  27. Ancient Greece

    How did ancient greek philosophers such as Plato and Aristotle contribute to the formation of modern democratic governments? a. by contemplating the purpose and structure of government b. by encouraging the participation of all citizens in governance c. by

    asked on October 28, 2017
  28. Chemistry.. am I correct?

    Fill in the blanks correctly Observation - hypothesis - theory - law 1. A system of ideas or principles which are a set of organized provisions. --observation 2. An approval, suggesting evidence. --hypothesis 3. An organized perception of phenomena with

    asked on September 5, 2017
  29. physics

    Two small balls are attached to a rigid rod of mass 2.2 kg that is 6.0 m in length. The first ball has a mass of 2.25 kg and the second ball has a mass of 4.95 kg. (c) What is the moment of inertia of the rod when it spins around its center of mass?

    asked on March 23, 2017
  30. Calc

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = xy i + yz j + zx k S is the part of the

    asked on November 23, 2016
  31. Math. please help

    -1/2 + 1/3 = Adding and subtracting fractions with rational numbers.

    asked on October 12, 2016
  32. Math

    A $20,000 loan is to be amortized for 10 years with quarterly payments of $763.55. If the interest rate is 9%, compounded quarterly, what is the unpaid balance immediately after the sixth payment?

    asked on August 5, 2016
  33. Chemistry

    A solution contains H2O2 in water. Complete decomposition of the H2O2 in 170 g of this solution yields 5.6 L of O2(g), measured at 0 oC and 101.325 kPa. What is the percentage by mass of H2O2 in this solution? Choose the closest answer. A 10% B 20% C 5.0%

    asked on May 17, 2016
  34. Algebra

    Which of the following describes a correct method for solving the equation below? -7/2n + 5 = -16 1. add 5 to both sides, then divide both sides by 2/7 2. subtract 5 from both sides, then multiply both sides by -7/2 3. add -5 to both sides, then multiply

    asked on December 15, 2015
  35. Social Studies

    Please review the question and my answer. Thank you tutors. Q: What did AGENTS do for the sugar plantations? My answer: Agents took over the sugar plantations. If there is more than that for the answer that I gave, then please tell. Thank you tutors. I

    asked on December 12, 2015
  36. Algebra

    There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation would be nice. Thank you tutors. Rewrite each equation so it is in the form ax + b = c or x + d/e = f, where x is a variable. Then

    asked on December 9, 2015
  37. Chemistry

    0.400 g of a solid base X(OH)2 was dissolved in 50.0 mL of water. The solution was neutralized with 65.80 mL of 0.150 mol/L HCl. Calculate the molar mass of the base. Do I need to set up a dilution equation? I'm not sure what to do.

    asked on December 2, 2015
  38. History @Reed

    Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.**** Otis opposed the British practice of executing searches without warrants. Otis opposed the

    asked on October 21, 2015
  39. science!

    i have 6 questions, each with an answer. i would appreciate if you review the questions check my answers. tank you very much tutors. variables and graphing assessment practice Ethylene is a plant hormone that causes the fruit to mature. The data below

    asked on September 9, 2015
  40. Math

    In a science competition with ten problems, a student gets 5 points for a correct answer and loses 2 points for an incorrect answer. If Alice answered every problem and her score was 29, how many correct answers did she have?

    asked on August 12, 2015
  41. Math

    Find the 10th term of a nonconstant arithmetic sequence whose 1st term is 3 with the 1st, 4th, and 13th term forming a geometric sequence. I've tried doing it differently everytime, but I always come to a dead end..

    asked on March 14, 2015
  42. Math

    You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the

    asked on December 12, 2014
  43. chemistry

    6. Ligands approaching in a square planar pattern cause some orbitals to be raised in energy. How many orbitals are on the highest energy level? a. A) 1 b. B) 2 c. C) 3 d. D) 4 e. E) 5

    asked on December 6, 2014
  44. chemistry

    Conductivity experiments indicate that tetraamminedichloropalladium (IV) chloride is composed of 3 moles of ions per mole of compound. When silver nitrate solution is added to a solution of the palladium compound, 2 moles of silver chloride per mole of

    asked on December 6, 2014
  45. Physics

    A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 54 cm and is wound around the top at a spot where its radius is 2.2 cm. The thickness of the string is negligible.

    asked on October 18, 2014
  46. Calc

    A patient receives a 3 ml dose of medicine. The amount, y, of medicine in the body decreases at a rate of 15% per hour (dy/dt=-.15y). When the medicine in the patient is down to 1 ml, the nurse administers a second 3 ml dose and plans to give the patient a

    asked on May 11, 2014
  47. statistics

    Some students were asked, "Would you date someone with a great personality even though you did not find that person to be attractive?" Of the 131 women surveyed, 61.1% said yes, and of the 61 men surveyed, 42.6% said yes. Is there sufficient evidence to

    asked on April 26, 2014
  48. Science/Biology

    Please check my answers: 1. Which of the following correctly states the relationship between monkeys and humans? A. Humans and monkeys evolved from apes. B. Humans evolved from monkeys. C. Humans and monkeys evolved from the same ancestor, which is now

    asked on April 4, 2014
  49. MATH

    Drew has a rectangular postcard that is 6 inches long and 4 inches wide. He uses a photocopier to enlarge it, so that the length and width are 1.5 times as long as those of the original postcard. Explain how the perimeter and area change.

    asked on February 17, 2014
  50. math

    Which situation can be modeled by tossing a coin three times? a. choosing which one of sixteen teams will win a tournament c. selecting a desk from thirty-six in a classroom b. deciding which English teacher of eight will win a trip to London d. picking

    asked on August 17, 2013
  51. Chemistry

    You need to dissolve CaCl2 in water to make a mixture that is 31.5% calcium chloride by mass. If the total mass of the mixture is 254.6 g, what masses of CaCl2 and water should be used?

    asked on January 23, 2013
  52. Forensics

    A sample of light brown powder found in the kitchen of an alleged drug house gives a blue precipitate with cobalt thiocyanate. What is it? Is there enough evidence to prosecute?

    asked on January 3, 2013
  53. SAT Essay

    Assignment: Should heroes be defined as people who say what they think when we ourselves lack the courage to say it? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from

    asked on November 30, 2012
  54. Physics

    How much heat must be removed from 500 grams of water at 0 degrees C to form ice at 0 degrees c?

    asked on October 22, 2012
  55. Precalculus

    I don't even how to go about this.... Mars is in an elliptical orbit with the Sun at one focus, as shown in the figure. At its aphelion, Mars is 156 million miles from the Sun. At its perihelion, Mars in only 128 million miles from the Sun. How long is the

    asked on January 20, 2012
  56. pre calculus

    Use the remainder theorem to find the remainder when f(x) is divided by x -2. Then use the factor theorem to determine whether x -2 is a factor of f(x) f(x) = 2x^5 + 6x^4 - x^2 - 7x - 12

    asked on December 10, 2011
  57. critical thinking

    if we reason from the fact that all A's observed so far are B's to the conclusion that all A's whatsoever are B's, Which kind of induction would we be utilizing? I'm not sure but i think it's disjunctive syllogism.

    asked on December 4, 2011
  58. statistics

    Help me! Population of heights of college students is approximately normally distributed with a mean of 64.37 inches and standard deviation of 6.26 inches A random sample of 74 heights is obtained. Find the mean and standard error of the x bar distribution

    asked on November 6, 2011
  59. physics help please

    A long jumper leaves the ground at an angle of 25.2 to the horizontal and at a speed of 11.2 m/s. How far does he jump? The acceleration due to gravity is 9.8 m/s2 . Answer in units of m What maximum height does he reach?

    asked on October 24, 2011
  60. Spanish

    I'm not sure if this is the proper way to write the numbers in spanish . can you correct any mistakes please. 6. dos x cien = doscientos 7. tres x cien = trescientos 8. cinco x cien = quinientos 9. ocho x cien = ochocientos 10. nueve x cien = novecientos

    asked on March 19, 2011
  61. Calculus 12th grade (double check my work please)

    2- given the curve is described by the equation r=3cos ¥è, find the angle that the tangent line makes with the radius vector when ¥è=120¨¬. A. 30¨¬ B. 45¨¬ C. 60¨¬ D. 90¨¬ not sure A or D 2.) which of the following represents dy/dx when

    asked on March 6, 2011
  62. sciencce

    Mrs. Scheib was riding her bike and leaves home and rides due east for a distance of 45 km. she returns home on the same bike path. if the entire bike path takes 4 hrs what is her average speed? Is it 11.25?

    asked on February 17, 2011
  63. Physics

    Does the frequency of light change as it enters a different substance? I know that the speed changes. The question might seem easy, but I have contradicting notes, so I'm confused.

    asked on January 6, 2011
  64. Trigonometry

    Using exact values, find the value of: a. 12 sin 30 degrees ¨C 6 tan 45degrees + sec 45degrees / 52 12-1/2-6*(1) + ¡Ì2/52=¡Ì2/52 12-1/2-6+¡Ì2/52 what should i do next?? b. Sin2A + tan3A/2 - cos A + sec(a+ 15) Sin2A + tan3A/2 - cos A + sec(a+ 15)=

    asked on January 1, 2011
  65. physics

    An undersea research chamber is spherical with an external diameter of 3.70 m. The mass of the chamber, when occupied, is 26000 kg. It is anchored to the sea bottom by a cable. What is the tension in the cable?

    asked on November 16, 2010
  66. chemistry

    In the movie "The Raiders of the Lost Arc", Indiana Jones and his guide play catch with a gold idol. The idol had a volume of about 1.30 L. In order to determine whether they could really play catch with the idol, calculate the weight (in pounds) of the

    asked on September 13, 2010
  67. PARTS OF SPEECH

    Thousands of years ago, fish were caught in nets and traps. Is the word (in) a preposition?

    asked on January 31, 2009
  68. Math

    Determine vector, parametric and, if possible, symmetric equations for the line through Q(2, -1, 3) and the mid-point of the line segment from L(3, -2, 5) to M(1, 4, -7).

    asked on October 8, 2018
  69. Physics

    Getting my head twisted around by the wording of these two questions, any help would be appreciated. My answers/ideas are below each question. 1) Briefly explain whether there would there be more or fewer configurations available for the gas if the

    asked on May 6, 2018
  70. Physics

    The electric field strength at a particular distance from an electric charge is 2.0 N/C. What is the electric field strength if you are 2 times closer to the same charge?

    asked on January 18, 2018
  71. Physics

    How much potential energy is required to lift a 50 gram arrow to a height of 100 meters?

    asked on December 21, 2017
  72. Chemistry

    In a given experiment 36.44 mL of NaOH were required for neutralize a solution of HCl 0.35 M. Calculate the moles of NaOH present to neutralize the HCl in the titration.

    asked on April 23, 2017
  73. Algebra

    When kevin commuted to work one morning, his average speed was 45 mph. He averaged only 30 mph for the return trip because of an accident on the highway. If the total time for the round trip was 50 min determine the distance between his place of work and

    asked on March 6, 2017
  74. TX HIST

    Consider these three Supreme Court cases Smith v. Allwright (1944), Sweatt v. Painter (1950), Brown v. Board of Education (1954). What do they have in common, and how did Texans respond? In the 20th century, what were the most important events for

    asked on December 11, 2016
  75. Math

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the

    asked on November 23, 2016
  76. Calc 3

    Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the

    asked on November 23, 2016
  77. Physics - Buoyant Force Question

    Find the buoyant force on a helium balloon in air (Standard Pressure and Temperature) if the balloon is spherical with diameter 12.0 cm.

    asked on November 11, 2016
  78. chemistry

    At constant volume, the heat of combustion of a particular compound is –3947.0 kJ/mol. When 1.311 g of this compound (molar mass = 136.58 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 4.343

    asked on October 28, 2016
  79. Calc

    Change from rectangular to cylindrical coordinates. (Let r ≥ 0 and 0 ≤ θ ≤ 2π.) (a) (3, −3, 2) (b) (−2, −2sqrt3, 5)

    asked on October 25, 2016
  80. CALC

    Use a triple integral to find the volume of the given solid. The tetrahedron enclosed by the coordinate planes and the plane 8x + y + z = 4

    asked on October 19, 2016
  81. Calculus

    Find, correct to the nearest degree, the three angles of the triangle with the given vertices. A(0, 1, 3), B(-2, 4, 5), C(1, 4, -3), ∠CAB = ° ∠ABC = ° ∠BCA = °

    asked on September 4, 2016
  82. Algebra 1 - 9th Grade

    A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?

    asked on January 29, 2016
  83. Physics

    Two springs are set up on a table. The longer spring has a spring constant of 221 N/m and an initial length of 44.0cm. The shorter spring has a spring constant of 725 N/m and an initial length of 22.0cm. How far above the table is an 9.30kg ball when it

    asked on December 17, 2015
  84. History @Reed

    Which legislation justified Britain's taxing American colonists to pay for its war debt? Proclamation of 1763 Stamp Act of 1765 Declaratory Acts of 1766 Townshend Acts of 1767 I think its B or D

    asked on October 21, 2015
  85. math

    Question: There is a $200 entrance fee for each band plus a $25 entrance fee for each drill team. The competition has a total of 32 bands and 25 drill teams. Write and evaluate an expression for the total amount of money collected from the entrance fees. -

    asked on October 2, 2015
  86. algebra

    write an expression to represent each situation. then find the value of each expression to solve the problem. 1. on saturday, mrs. armor bought 7 pairs of socks for $3 each, and a sweater for her dog of $12. then she found a $5 bill on the sidewalk. over

    asked on August 28, 2015
  87. SCIENCE!

    more on hypotheses hypotheses help explain puzzling situations or events. hypotheses answer "how", "what, and "why" questions. explain each of the following situations with a hypothesis: 1. you hang a bird feeder, fill it with food, but no birds come to

    asked on August 28, 2015
  88. Science

    which of the following would have the greatest force? •an object with low mass accelerating slowly •an object with low mass accelerating quickly •an object with high mass accelerating quickly •an object with high mass accelerating slowly (and yes i

    asked on April 17, 2015
  89. Physics

    Please help due in less than 2 hours!! A person whose mass is m = 86.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 21.3° with the horizontal. What is the reading on the scale? i've tried m*g*sin(21.3) and

    asked on February 23, 2015
  90. math

    what are two fractions both not positive who has a product of 5/8

    asked on December 13, 2014
  91. please help! algebra

    find the next two numbers in the pattern: -12, 60, -300, 1500

    asked on November 5, 2014
  92. chemistry

    What is the volume occupied by 0.252mol of helium gas at 1.35atm and 305K ?

    asked on October 31, 2014
  93. english/writing

    does my thesis statement make sense? is it clear? any suggestions are welcomed In "The Love Song of J Alfred Prufrock," T.S. Eliot used Prufrock to symbolize modern man's fruitless struggle to find self-worth, love, and insecurities of owns appearance.

    asked on February 4, 2014
  94. Business/ Computers

    Hello I'm doing a powerpoint on the history of computers for business but I just have to look for people. Do you mind giving me a website that would be perfect to find all these people? 1. Blaise Pascal 2. Wilhelm Schickard 3. Christopher Sholes 4. George

    asked on February 3, 2014
  95. Math :-)

    Analyze the conditional statement below and complete the instructions that follow. You will receive the trophy if you win the championship match. Identify the hypothesis and the conclusion of the conditional statement. A. hypothesis: you will receive the

    asked on January 5, 2014
  96. Physics

    TURNTABLE SOLUTIONS A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 400 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the

    asked on November 24, 2013
  97. Chemistry

    a) A pressure vessel contains a large volume of CO2 gas at 10 atm pressure. A membrane composed of a poly(ether ketone) polymer with thickness 100 microns and net effective area of 100 cm2 covers a small perforated port in the container. The solubility of

    asked on June 2, 2013
  98. Math

    Create a 3rd degree polynomial with real coefficients that has roots -1 and 4i. Write your answer in form ax^3 + bx^2 + cx+ d .

    asked on May 24, 2013
  99. algebra

    a number cube is rolled 2 times in a row. what is the probability of rolling a number greater than 2 both times?

    asked on May 7, 2013
  100. Science

    How does the temperature change in the sun's atmosphere differ from the temperature change in the sun's interior?

    asked on March 4, 2013

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