1. Physics

    I listed the questions with my answers. Are the answers correct? Thanks. A railroad locomotive is a rest with its whistle shrieking, and then it starts moving toward you. a.) Does the frequency that you hear increase, decrease, or stay the same? The
  2. English

    These are questions from Stephen King's collection  "different seasons", particularly the novel "Rita Hayworth and the shawshank redemption": 1. From all the appearances the trial against Andy was pretty much "opens & shut". Identify the details that
  3. chemistry

    Questions 2-3 refer to : 〖KClO〗_3 + C_6 H_12 O_6 = KCl + 〖CO〗_2 + 〖H〗_2O? 2. Balance the equation. How many mole of potassium chlorate react with 0.250 mole of glucose How many grams of carbon dioxide are formed.
  4. Chemistry

    This is a bit weird to me. We're doing R and S configurations and I think of it as a steering wheel - steering to the right is an R configuration and steering to the left is an S configuration. These questions are drawn out as molecules in our book and I
  5. English

    What object would you write this poem on and why? The Secrets We Hide © Tiffany Franklin we struggle to have meaning in this world which we all know we try but yet we wonder where we all should go hidden in the questions which we can not find the answers
  6. business

    Prepare a 700- to 1,050-word paper in which you describe the use of statistics within your workplace or a company with which you are familiar. Address the following questions in your paper: • How are statistics used in your workplace? • What is one
  7. 6th Grade Math Help & FAST!!!

    I only have 2 questions. 1 is multiple choice and one I have to type so please help. 1. Which set of output values correctly completes the function table? This is the function table: y= 2x - 4. Input (x) 6, 2, -4. Output (y) those three slots all have
  8. 3rd grade

    Good evening ~ I have 2 questions. Kelsey was assigned math homework. He was given 8 word problems to solve. He estimated that it would take him 5 mins. to solve each problem (THAT WOULD TAKE 40 MINS. FOR KELSEY TO COMPLETE HIS MATH HOMEWORK) ? HOW TO
  9. Chemistry

    What is the famous isotope used in archeological dating? carbon 12 I thought it was carbon 14 yes carbon 14-- made an error But if you knew, why are you asking these questions? I need reaasurance, so when I have a test I know the exact answer C-14 is ONE
  10. Algebra 2

    Please can someone help me with these last few questions on my homework? You don't have to give an answer because I would very much like to know how to do them? An open box is formed by cutting squares with side lengths of 3 inches from each corner of a
  11. English

    Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. 1.A French girl found them. Who was with the girl? In what time period did she find them? 2.The news spread about the Lascaux
  12. Health (Ms. Sue)

    1. List five questions you should ask you doctor id you are given a prescription for a medicine. A: You should ask your doctor of what amount is the correct dosage, how many times of the day you will need to partake of the medicine, what the side effects
  13. Physical Science

    Need help with these questions: 1.When a calcium atom forms an ion, it loses two electrons. What is the electrical charge of the calcium ion? A.-2 B.-1 C.+2 D.+1 2.Which particle builds a static electrical charge when it is transferred from one object to
  14. Physics

    Consider a perfectly inelastic head-on collision between a small car and a large truck traveling at the same speed. Which vehicle has a greater change in kinetic energy as a result of the collision? Since the vehicles stick together after the collision and
  15. english

    i've just read "The Crisis" and i can't answer the questions.. i don tget it... 1. Which passages in the excerpt of "The Crisis" no. 1 were especially stirring? 2. The phamplet opens with two famous images. What kinds of people does paine identify with
  16. spanish

    I am so close to finishing my homework and these are the last few questions I have left. I keep trying but the program says whatever I write is incorrect. Can someone help me please? Rewrite the sentence with the direct object pronoun appropriate to
  17. science-this is urgent, plz help me! its easy too.

    we did a lab on chemical change, where we had to see how a chemical change affcts mass. so we measure the mass of 20ml of copper solution, and 2cm(cubed) of steel wool, and then we mixed them into a flask. soon the steel wool turned rusy, and broke apart.
  18. spanish

    answer the questions in spanish: 1.¿Qué enciendes cuando tienes calor? 2.¿Qué apagas cuando tienes frío? 3.¿Qué usas en tu cama cuando hace frío? 4.¿Dónde están las cosas muy frías en tu cocina? 5.¿Dónde está tu ropa? 6.¿Qué hay en las
  19. Physics

    2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is used to empty the pool. There are two pipes coming out the pump: one is submerged into water has a radius r1 = 4 cm the other
  20. Math -real numbers

    Which statement is false? A) the number zero is a rational number. B)some irrational numbers are also rational numbers. C)Every irrational number is a real number. D) every integer is a rational number These questions get me every time:( I think it is D
  21. Please answer two math questions!!!

    10. From the 2010 census data, the population of Texas was about 2.5 x 107 people. Florida’s population was about 1.9 x 107. Idaho’s population was about 1.6 x 106. Which of the following statements is true? a)Idaho has a larger population than
  22. English

    I have a few other questions I forgot to ask you in my previous post. Can you see if the following remedies are possible? 1) Have you hurt yourself? Does it hurt? Are you hurt? Yes, I think broke my finger (Can you say that?) 2) I've broken my leg. I think
  23. Global History

    This concerns the feudal powers in Japan: Ok, so in many ways the relation between China and Japan reflect what we've already seen between Russia and Byzantium. What were the most important things that Japan borrowed from China? Chinese influence in Japan
  24. statistics

    I have just a couple questions I have trouble understanding... can someone please help me? The data below indicate the rankings of a set of employees according to class theory and on-the-job practice evaluations: Theory 1 7 2 10 4 8 5 3 6 9 Practice 2 8 1
  25. Math 6

    Two questions. 1. Jordan has 4/5 as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does Joseph have? I did this and are my steps correct? 4/5 x 1/56 = 4/224 Then I divide 4/224 = 56 2.Elizabeth has 1 7/10 as many plants as Rosalie has in her
  26. Socials

    what three rules should be applied when using primary source documents to make sure that they are reliable and accurate? Three rules which should be applied when using primary source documents to make sure that they are reliable and accurate are that they
  27. math 2 questions plz help asap

    1) Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A. a pencil is 12 feet long B. the back porch is 12 inches wide C. the 3rd hole on the golf court is 123 miles long D. the
  28. spanish Sra McGuin

    complete the sentences with the correct demonstrative adjectives - I answered below the questions ______(that) camisa del algodon no? Prefiero cosas de algondon. Que piensas de ______ (these) pantalones? 1. esa 2. estos Ya no tiene ______ (those)
  29. Science

    Please help Me With These Questions 1.what is one difference between the scientific theory and scientific law 2. what are two similarities a scientific theory and scientific law 3. Sam noticed every time she rolled a ball on a flat surface it did not stop
  30. ...English...

    For someone to struggle for freedom (any sorts of freedom), do you need to be committed? And if you do, what are some ideas how being committed is helpful to attempt to gain freedom? I thought of one point, I know you need to be committed to gain freedom
  31. Psychological stats

    I need help with a unique null hypothesis that I would then be able to use a t test statistical analysis,the same hypothetical situation taken in the t test hypothesis, and turn it into a null hypothesis using a one-way ANOVA analysis and a two-way ANOVA.
  32. macroeconomics

    Assignment questions: When the government reduces its budget deficit (reduces government purchases) does consumption rise or fall? Output rise or fall? - I think output and consumption increase but I'm not sure. When the government reduces the budget
  33. math

    With a confidence level of .95 and a confident interval of 5 and a population of 20,000 what is the sample size? With a confidence level of .99 and a confident interval of 5 and a population of 20,000 what is the sample size? Finally, using the sample size
  34. Basic Physics

    There is a rocket on a stage connected a spring with the spring constant k(N/m). The weights of the rocket and the stage are m(kg) and M(kg), respectively. The length of the spring without the stage and rocket or free is h0(m) and it becomes shrunk to h(m)
  35. English

    Can you please help me formulate the questions better and answer the last two yourself? Thank you very much. 1) I quarrelled (argued) with my best friend because I refused to let her copy the maths test (from mine?). 2) She is cross/furious with me now.
  36. Le morte d'arthur

    I don't understand it what did Uamain emaim mathur learn by being with the three ladies from the fountain after 12 months? Thank you for using the Jiskha Homework Help Forum. Now I have a few questions for you. What exactly are you reading (title, author)
  37. literature

    My daughter is doing a diary project on homer's odyssey. I would like to ask her some questions to encourage her to write more but I have not read the book.I am hoping to get some summary points to guide me in directing her to elaborate on her points
  38. Organic Chemistry

    This is a bit weird to me. We're doing R and S configurations and I think of it as a steering wheel - steering to the right is an R configuration and steering to the left is an S configuration. These questions are drawn out as molecules in our book and I
  39. physics

    Consider 3 liters of an ideal (monatomic) gas at a pressure of 34 atm and a temperature of 356K. Call this state of the system A. Using the ideal gas law, calculate the number of moles of gas present in the system. 3.49 The temperature of the system is
  40. chemistry

    I would love some input on a few problems, listed below. My answers follow the questions 1. Would it be feasable to store a solution of lead nitrate in a container of metallic zinc? Why or why not? No, it would not. A chemical reaction takes place, as the
  41. Science 2

    What is the critical temperature at which hydrogen can fuse into helium in the star’s core? A.5,800 K B.26.000 K C.One million K D.Ten million K E.100 million K Please research your questions at the following links I located for you:
  42. chemistry

    I would love some input on a few problems, listed below. My answers follow the questions 1. Would it be feasable to store a solution of lead nitrate in a container of metallic zinc? Why or why not? No, it would not. A chemical reaction takes place, as the
  43. English

    Identify the appropriate punctuation for the underlined word or phrase for questions 19-20. 19.) Irving Berlin wrote "White Christmas" and many other popular songs. White Christmas is underlined, I just used quotation marks. A.) italics B.) quotation marks
  44. math answer check

    14. Knowing that you use 245 KWH 7 a.m. – 7 p.m. and 165 KWH 7 p.m. – 7 a.m., answer the following questions using the chart below: Constant Usage $0.05324/KWH Daytimer (Most usage between 7 a.m. – 7 p.m.) As long as most power used is 7 a.m. – 7
  45. Physics - sound waves

    I listed the questions with my answers. Are the answers correct? Thanks. A railroad locomotive is a rest with its whistle shrieking, and then it starts moving toward you. a.) Does the frequency that you hear increase, decrease, or stay the same? The
  46. math

    A tangram is a geometric puzzle made from seven pieces that form a square. Trace the pieces, cut them out, and answer the following questions. The puzzle can also be seen on wikipedia web site. a. If the area of the entire square equals 1 unit, label each
  47. economic

    these questions are about T or F As long as the firm has to pay for an input, it would be wasteful not to use all input services purchased, A profit-maximising competitive firm will never produce in region where average variable cost is declining The reson
  48. English

    I have to write a research proposal for english! Here is what's written: Review your final research proposal draft one last time. Make sure that your topic focuses on some cultural aspect of one of the countries (Turkey, Armenia, Iraq, India, or Sri
  49. Chemistry

    1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each
  50. Statistics

    Students were given an exam with 300 multiple-choice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What were the scores of the students who were within one standard deviation of the mean? What
  51. Chemistry

    1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel cell. 2) For each
  52. Spanish

    Invierno tardio No es increíble cuanto ven mis ojos: nieva sobre el almendro florido, nieva sobre la nieve. Este invierno mi ánimo es como una primavera temprana, es como un almendro floroido bajo la nieve. Hay demasiado frío esta tarde en el mundo.
  53. Chemistry

    A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. Someone said: assume you have 100 grams. It becomes the overused algebra
  54. I NEED HELP WITH THIS. PLZ

    Lesson 2:3-D Views Unit 2: Measurement Multiple Choice For questions 1-3, use the following model. 1. How many cubes are in the base of the model? (1 point) A. 3 B. 4 C. 7 D. 2 2.How many cubes would be shown in the right view of the model? (1 point) A. 3
  55. Law

    I am having a hard time and very pressed for time. Thanks in advance;) Select a current or proposed law that impacts the delivery of health care or human services. „FƒnWrite a 1,050- to 1,400-word paper in APA format that answers the following
  56. Math

    Diane took a math test. The ratio of the number of problems Diane got incorrect to the number of problems she got correct was 2:7. If the test had 36 questions on it, how many problems did she get correct?
  57. termperature regulation

    ok i have 2 questions and they are over temperature regulation. The only thing the paragraph says is over hypothalmus but nothing specific. here are the qeustions. in the case of temperature regulation, the intergrating center is (are) the receptors in the
  58. Math

    A engine for a car can be manufactured in a factory every 35 minutes. The factory starts production at 8:45 and stops at 16:55. (i) Find the number of engines that can be produced in a single working day. After a refit of the factory, an engine can be
  59. Elem. Ed.

    Please look over these questions and my answers to see if I have chosen the most appropriate answer. 1. Luis is being introduced to the finger play "Friends at Play." It is very likely that Luis will: A. do the finger movements first. B. learn the words
  60. Integration?

    Sorry, i have a load of questions on integration... thanks for any help provided! Evaluate the integrals: limit 0 to pi/4 ∫ [sec^2x]/[5+tanx] dx limit 0 to pi/6 ∫ [3cos3x]/[3+sin3x] dx limit 0 to 3 ∫ [2x-1]/[x^2-x+1] dx
  61. Economics

    (This homework question was removed due to a copyright claim submitted by K12 Inc.) I think the satellite is a public good but I'm not sure. I think it is necessary for the government to provide the communication satellites but I'm not sure about that
  62. Algebra 1

    I'm completeing parts of my homework, and need help checking some of the problems. Could someone tell me if this is right? If it's not could you show me how to work it correctly? I'm not looking for someone to do my work, just show me how. There are no
  63. US History

    1) How did England's preoccupation with its civil war affect the colonies a)They were forced to support the king b)They were left alone c)They developed ties to France d)They started to produce manufactured goods can't find this info, A & D seems right, if
  64. physics question

    As denizens of the surface of a spinning planet, we are always in uniform circular motion. Imagine you are in Nairobi (on the Earth's equator) at noon on a Monday. Answer the following questions only considering the rotation of the earth and NOT the
  65. HR

    Recruitment and selection activities within a high-performance organization include three of the following. Which is not a recruitment and selection activity within a high-performance organization? A. Selection methods that include group interviews,
  66. Supervision and Leadership

    I need someone else's response to this scenario of the three questions at the end to compare. Mack Moller was supervisor of the production department of the Quality Shoe Company. He received a call from the general manager informing him that production
  67. Geography

    please could someone help me answer these questions ...? globalisation brings many problems describe all the benefits in all the different stages of production and countries. globalisation brings many benefits describe all the benefits in all the different
  68. chemistry

    Ok so im just totally confused because i don't technically have chemistry teacher (i have cancer so i cant go to school so while i have a teacher i can email questions to, he doesnt really help so im stuck teaching myself) & i didn't get any reference to
  69. Algebra Multiple choice revised!! HELP

    I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give
  70. physics

    Again, I know I keep posting questions but I'm begging you for help. At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr. What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of
  71. drawls, math help

    can you explain to me just one more thing so i can undestand it. Now i have an equation which is : 3x = 3x + 5 which I know has no solution to it, now whereas the equation 7x + 8 = 8 has zero as a solution. What is the difference between a solution of zero
  72. 6th grade math - Ms. Sue please check.

    You write each letter of the word MATHEMATICIAN on a piece of paper and put them in a bag. You randomly select one piece from the bag. What is P(T or A)? A. 5/13* B. 5/8 C. 1/3 D. 8/13 You have 3 pairs of white socks, 4 pairs of black socks, and 2 pairs of
  73. Calculus PLSSSSS HELP DUE SOON

    Assuming P≥0, suppose that a population develops according to the logistic equation dP/dt=0.03P−0.00015P^2 where tt is measured in weeks. Answer the following questions. 1. What is the carrying capacity? I tried solving the differential equation and
  74. Math

    I am stuck on several probability questions. A spinner that has 15 equal sized sections numbered 1 to 15 is spun twice. What is the probability the spinner lands on an odd number and then on an even number? A. 56/225 B. 169/225 C. 1/15 D. 21/225 I chose A.
  75. geometry

    Point P is on the number number line. The distance between O and P is four times the distance between P and 30. What is the sum of two possible values of P? What are two possibilities for the coordinates? Let me make sure I understand what's asked. "Point
  76. ICT (Programming)

    Based on the table below, Based on the table below, using a CASE structure to display the type of designation when a specific code is entered. CODE TYPE OF DESIGNATION L LECTURER S SENIOR LECTURER D DEAN A ADMINISTRATION (other code) WRONG CODE ENTERED! 4.
  77. Science

    Three people hiked to the top of the hill represented by the following topographic map. Each hiker started at the same elevation but at different locations around the hill. Use this map for questions 4 - 6. (All of them are at a elevation of 180 meters and
  78. Advanced Functions/Precalculus

    Trigonometry Questions 1. Solve the equation sin2x+1=-2sinx for 0≤x≤2π 2. Solve the equation 7sin2x-4sin2x/cosx=-1 where 0≤x≤2π 3. Determine the exact value of cos2(theta) when tan(theta)=3/4 and
  79. Statistics

    QUESTION 1 Use the following scenario and data for all the questions The lives of Lithium batteries used in a type of cell phones are normally distributed with an unknown standard deviation. A simple random sample of equation batteries is selected. The
  80. English

    I have to answer these questions but i am confused...please help :) As flies to the wanton boys are we to the gods; they kill us for sport Metaphor Personification Hyperbole Litotes None of these I do not understand the sentence itself :( I wish I had a
  81. biology

    I have some questions that relate to table 2.1 which lists the chemical elements that occur naturally in the human body. Similar percentages of these elements are found in most living organisms. a. In what abiotic (non-life) chemical forms are these
  82. Science

    Can an element be separated from a compound? Can an element form a compound? The reaction of zinc metal and hydrochloric acid creates hydrogen gas, an element. if we create this element in a tube what property of this element requires us to keep the tube
  83. physics

    just a couple more questions 1.) The power needed to accelerate a projectile from rest to is launch speed v in a time t is 43.0 W. How much power is needed to accelerate the same projectile from rest to launch speed of 2v in a time of 1/2t? 2.)A ball is
  84. physics

    just a couple more questions 1.) The power needed to accelerate a projectile from rest to is launch speed v in a time t is 43.0 W. How much power is needed to accelerate the same projectile from rest to launch speed of 2v in a time of 1/2t? 2.)A ball is
  85. physics

    just a couple more questions 1.) The power needed to accelerate a projectile from rest to is launch speed v in a time t is 43.0 W. How much power is needed to accelerate the same projectile from rest to launch speed of 2v in a time of 1/2t? 2.)A ball is
  86. Oncology Report

    Ok, we're are supposed to do a one page annual report on oncology and I'm having trouble understanding exactly what I'm supposed to do. Our teacher gave us a sheet saying "You are asked by the CEO of a hospital to contribute to the annual report. She wants
  87. english

    There are a few questions about the novel The Scarlet Letter that I am not to sure about. Can someone please check them. True of False 1) Chillingworth escaped from Indian captivity by drugging his guards with an herb potion? My answer was true. 2)
  88. english

    There are a few questions about the novel The Scarlet Letter that I am not to sure about. Can someone please check them. True of False 1) Chillingworth escaped from Indian captivity by drugging his guards with an herb potion? My answer was true. 2)
  89. Social Studies

    The Massachusetts Bay Colony 5. Who lived there? 6. What activities/major events occurred in this colony? 7. If the country specialized in the production of a crop, what was it? 8. If the country was involved with trade, what did they trade? And who did
  90. ETH

    The final project for ETH 125 is a 1,400- to 1,750-word autobiographical research paper on race in your community. The CheckPoints and assignments in class are designed to stimulate your awareness of cultural diversity issues, so, as you craft your final
  91. sociology

    Describe how the role of the family in society has changed traditional has changed? (b)Explain the link between the nuclear family and industrial society? (c)In what ways does the treatment of elderly people differ between moder society and traditional
  92. social studies

    I post those questions earlier but no one reply to them. Complications in the practice of America’s ideals occurs because these ideals a. are general principles, not precise rules. b. sometimes conflict with one another. c. are only one of the many
  93. Math

    Can I please get some help on these questions: 1. How many solutions does the equation,2sin^2 2 θ = sin2θ have on the interval [0, 2pi]? 4? ...what about 4cos2θ = 8cos^2 2θ? 2. True or False: sin^2 4x = 1 has 8 solutions on the interval
  94. Honors Biology

    This graph on my worksheet shows the rate of chemical reactions with the enzymes pepsin and trypsin present in certain pH conditions. It shows pepsin works in a pH level between around 1 to 5, and trypsin works in a pH level between 4 and 9. In earlier
  95. History

    Can someone please help me make a biography of a person about there old high school? Ok I'm interviewing a person about his life at his old high school. I've split it into 4 steps. Introduction Transcript Conclusion Introduction: It should be a life story
  96. Banking & Money

    Couple questions here... "Under fixed exchange rates," A. The Free Market is the major determinant of the exchange rate. B. Official government transactions maintained the agreed-upon exchange rate by buying and selling foreign exchange. C. The balance of
  97. Math

    The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes and a standard deviation of 13 minutes. Answer the following questions. What is the probability of completing the exam in one
  98. Intro Finance

    Not sure how to solve: Two Questions: (1)Cindy has income of $12000 in year 0. Calculate her income in year 1 if she wants to consume $26,000 in year 0 and $14,000 in year 1. Assume the interest rate is 4% per year. (2)Jonathan has income of $45000 in
  99. Math

    Can someone help me with these questions? 1.What are the maximum and minimum values for Y=28(1.21)^x on the interval 0<x<12? a) 275.8 and 0 b) 275.8 and 28 c) 249.7 and 28 d) 188.4 and 28 2. For what value of x does the maximum or minimum of f(x)=
  100. ENGLISH

    Please check for commas errors, speling and any other grammar error. Please provide the correc answer. The quality in the air in our community interests all of us. We must all work together to keep the air safe for our children. During the past six months