Can anyone explain this to me, it was on my exam and i don't get it ; A 14.0 kg crate is pulled up a rough incline with an initial speed of 1.6 m/s. The pulling force is 131.0 N

52,464 results
  1. math

    Isaac knew he had to to study more in order to improve his math grades. Calculate the average rate of change over the interval from his first exam to his third exam. Exam Number Score (%) 1 72 2 75 3 84 4 87 5 94

  2. math

    A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60

  3. Math (Algebra 1)

    Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams? let x represent the score on his next exam (put this in a multi-step equation) PLEASE HELP

  4. Statistics

    In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The

  5. statistics

    In the past, 44% of those taking a public accounting qualifying exam have passed the exam on their first try, Lately, the availability of exam preparation books and tutoring sessions may have improved the likelihood of and individual's passing on his or

  6. English

    Question 21 Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test, he freaked out.

  7. Math

    Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and

  8. Math

    An exam consists of six true-or-false questions. Assuming that every question is answered, in how many different ways can a student complete the exam? In how many ways may the exam be completed if a penalty is imposed for each incorrect answer, so that a

  9. eced

    A correlatibas .82 was found betweenen number of hours studied and final exam scores. A.students who stuief less received a high exam scores. B.students who studied who studied received lower exam scores. C.studying caused studies to received higher exam

  10. Statistics

    5. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. What percentage of exams will have

  11. statistics

    Answer the question(s) based on the following situation: 150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with center ì = 65 and standard deviation ó = 10.The third quartile of the scores

  12. math

    In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course?

  13. stats

    Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second exam you scored an 89. Hey, you’re improving! Or are you? On the first exam, the class mean was 71 with a standard deviation

  14. statistic of behavioral science

    for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer. A score of x=56, on an exam with the mean =50 and the standard deviation of 4; or a score of x=60 on an exam with the mean=50 and

  15. Math

    End My Exam you have 47 hours and 40 minutes remaining47:24:13 Course, current location Discussion Progress Resources Course Exam 1 Exam 1 1. Previous Next Completedother Exam Rules problem 1. problem 2. problem 3. problem 4. problem 5. problem 6. 1.

  16. algebra

    What is the final grade for this student? (round to two decimal places) Quizzes = 5%, Exam 1 = 20%, Exam 2 = 20%, Lab Reports = 15%, Research Paper = 15%, Final Exam = 25% Lab Reports: 75,80,70,75,85,69,90,75 Quizzes: 85,60,70,0,75,80,80,80 Exam 1: 80 Exam

  17. Math

    1.how many different permutations can you make with the letters in the word s e v e n t e e n ? 2.a teacher has a set of 12 probelms to use on a math exam. the teacher makes different versions of the exam by putting 10 questions on each exam. how many

  18. Math

    Exam scores were normal in MIS 200. Jason's exam score was 1.41 standard deviations above the mean. what percentile is he in?

  19. Legal Transcription

    Exam No. 465802 Exam Name LEGAL TRANSCRIPTION PROJECT Need to see someones done exam

  20. math

    . A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85

  21. statistics

    For a particular sample of 50 scores on a psychology exam, the following results were obtained. Mean = 78 Midrange = 72 Third quartile = 94 Mode = 84 Median = 80 Standard deviation = 11 Range = 52 First quartile=68 What score was earned by more students

  22. Philosophy

    1. Determine whether the following arguments are valid or invalid. If valid determine whether they are sound. Be sure to explain what validity is and how you determine whether an argument is valid or not. Explain your answers in as much detail as you can.

  23. English

    I still have a few doubts on the use of "earlier". I included other five sentences I'm really doubtful about 1) Can't you say: Would you mind if I stopped working ten minutes earlier (than I'm expected to)? (If I write "before" or earlier without including

  24. *****Help Statistic

    Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised

  25. statistics

    On a entrance exam, the mean was 50 and standard deviation was 5. If Ricky's z-score was -1.5, what was his exam score? I don't have a clue how to start to answer this question...

  26. probability and statistics

    Suppose every student in your class got a score of 85% on an exam. What are the mean and standard deviation of those exam scores without doing any calculations? I want to say the mean is 100 and the standard deviation is 1 but I don't know why. If all

  27. math

    which of the following statement is true? A. -9>-4 B. |-10|> |2| C. |-3|< |1| D. 6

  28. Statistic

    A training center claims that 75% of people taking national exam on achievement. In a sample of 90 people who took the exam only 39 have passed the exam. Use hypothesis testing to determine whether the training center claim is justified. Use 5% level of

  29. Ib math

    The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225 A) if the mark is 45 estimate the number of candidates who passed the exam? B) if top 7% of students are awarded a 7, find the minimum mark required to

  30. Science

    hi i have a science exam on tuesday and i don't understand what isotopes are??

  31. English

    Everybody in my class got their paper work they have to do by the end of the week.I got mine too,so i would like you to help me with this :D? I got a paper with instructions: There are 8 students,each with different IQ.Those students received 10 medical

  32. Reimbursement Methodologies

    Jessica, I am aslo doing my exam but I am really having problems with number 4 in part B exam # 40976200 was wondering if you can help. Thanks

  33. early childhood currirulum

    Penn foster Test exam questions exam number 405550

  34. math

    you are given an exam with only 9 questions. if each question has 4 choices, how many different possible answers can you have for the entire exam?

  35. Grammar

    Proofread the following sentences. insert punctuation as required. After the exam the patients demeanor was improved. Answer: After the exam, the patient's demeanor was improved. * added comma after exam and ? added an ' patients.

  36. Math

    Gail needs to earn a B in her Geology class. Her current test scores are 89, 78, 77, and 85. Her final exam is worth 3 test scores. In order to earn a B, Gail's average must lie between 80 and 89 inclusive. What range of scores can Gail receive on the

  37. math,help

    Can someone explain to me the reasoning involved in each step when simplifying the fraction 42/56. I had this question wrong in my previous exam...I don't know what i was thinking when answering it......but i like to know what was the actual responce for

  38. Probability (Pre-Calculus)

    A class is given a list of eight study problems from which five will be part of an upcoming exam. If a given student knows how to solve six of these problems, find the probability that the student will be able to answer: (a) all five questions on the exam.

  39. math

    I need help figuring the grade for two students I keep getting a big number. *Note Final can replace a low exam grade 𝐺𝑅𝐴𝐷𝐸 = .15 ∗ (𝐷𝑎𝑖𝑙𝑦 𝑎𝑣𝑔) + .65 ∗ (𝐸𝑥𝑎𝑚 1 + 𝐸𝑥𝑎𝑚 2 + 𝐸𝑥𝑎𝑚 3

  40. grade nine science

    How are elements arranged in the periodic table? Its for my exam notes and I don't have this answer anywhere in my book and I need it because its on the exam review.

  41. Physics

    Hello! I live in Mexico, and I have a couple of questions I asked on Y answers, both English and Spanish, and have gotten no reply, and I need to turn this in for my bimonthly exam in physics this Monday. I need to calculate the volume and surface area of

  42. Chemistry - HELP IGCSE

    I have a chemistry exam tomorrow and I don't get the double bonding in covalent bonding I tried many websites , textbooks and other books and yet nothing worked Can someone please explain it clearely and in a simple way and please don't put any links for

  43. English

    I am currently attending college but I recalled a couple days ago of my provincial English exam that I took in gr 12. I had wrote a beautiful story in the essay and I really wanted it back but I don't know if that is possible since we only got our percent

  44. Science/English/Math

    I was selected to the Math Academy at my school. I have it every wednesday after school. They are going to prepare me for the NYS Math Exam!!! :) I got a 80 on my Science Quarterly Exam!!!! :) (i didn't know some of my friends and other people were saying

  45. math

    my teacher gave me exam review booklets and there is something i don't understand.. the question is : Find the slope of a line that passes through the points (-9,-3) and (-7,-1). if someone can please explain to me how to solve this it would help majorly !

  46. English

    Please help with this question that has been bothering me! I take bio college class and we have graduate/student assistant for labs & when taking an exam. The professor is never there during those sections.Due to my low exam results,I feel I'm not being

  47. Statistics

    On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \σ=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, σ=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120

  48. statistics

    On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120

  49. statistics

    On this semesters final exam, john scored 72 on his calculus exam and 53 on his statistics exam. The z score for both exams was the same. Which on would he do better on? a. calculus b.statistics c. the exam scores are equivalent

  50. statistics

    On this semesters final exam, john scored 72 on his calculus exam and 53 on his statistics exam. The z score for both exams was the same. Which on would he do better on? a. calculus b.statistics c. the exam scores are equivalent

  51. English (about Ireland)

    Hello, For my final exam in English, I have to do a five minute presentation about Ireland and I've chosen to talk about "the political and economical situations in Ireland". The thing is just that I don't really know much about this topic. Can anyone

  52. statistics

    On this semester’s final exam, Susie scored 72 on her classics exam (class distribution: μ = 65, σ = 3.57) and 53 on her psychology exam (class distribution: μ = 49, σ = 2.04). For which exam should Susie expect the better grade? a. Classics b.

  53. AP physics C suggestions..........thanx!

    I have signed up for both AP Physics C Mech exam and E&M exam. Now I found that I don't have enough time to study for both exams (2 days left), should I give up E&M and focus on Mech? I felt that E&M is not harder than Mech, but need to remember many

  54. english

    1. An essay-type exam is an example of a(n): 2. A discussion board in an online course can be another form of: 3. Explain, discuss, analyze, state, and evaluate are examples of __________ words in an essay-type exam

  55. Math

    So I just have basic questions about limits which I just need to clear up. So when I'm solving for a limit , when the greater exponent is on the top of the fraction ex: x^2+2x/x+1 then the limit will always =infinity? And how do u know when a limit = 0 ? I

  56. Math ?

    I have a dilemma; my English professor doesn’t give us our grades so I currently don’t know what percent I am at in the class. I really need to know since I need to know if I’ll be passing or not. He doesn’t grade anything with percent’s, and

  57. statistics

    Correction On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960

  58. Analytical Skills

    If your score on a statistics exam was 76 and the professor gave you the distribution for the exam score for your class, you could find your percentile to understand where you stand in comparison to your fellow students. Assume that the distribution for

  59. penn foster world history

    see ive passed Foragers,farmers,and Builders (exam 007678) & The Axial Ages And Fitful Transitions (exam 007679) but i failed Contacts,conflicts,and The Crucible (exam 007680), Convergence,divergence,and Global Enlightenments (exam 007681), Frustrations Of

  60. AP Exams?

    I am in AP Chemistry and AP U.S Hisotry and I have planned on taking the tests. So far I have made an A+ in APUSH, but I an B in AP Chem. I've done kinda bad on the tests I've taken in there and I don't think I will do good on the Ap exam. I think I have a

  61. calculus please help

    what is the integral of x/(1+x^2)^2 dx This is a question of a past AP exam of calculus BC i know i have to use the substitution method where u=(1+x^2), du=2xdx. I have to find the integral but i'm just focused on the coefficient because i get a different

  62. Math

    Monica wants to know what she needs to get on the exam to get a certain grade in her English class. The term Mark is worth 70% of the course and exam is worth 30%. The following is the formula used to calculate her overall Mark. Course Mark = term Mark +

  63. Exam-related stress help

    I have an exam tomorrow and everyone's telling me that I'm totally prepared, that I know the material so well that I could teach the class. I am still very stressed. I've studied incredibly hard, but I don't feel ready. I don't think I'll be able to sleep

  64. physics

    Spaceship I, which contains students taking a physics exam, approaches Earth with a speed of 0.640 c, while spaceship II, which contains instructors proctoring the exam, moves away from Earth at 0.280 c, as in Figure P26.27. If the instructors in spaceship

  65. physics

    Spaceship I, which contains students taking a physics exam, approaches Earth with a speed of 0.640 c, while spaceship II, which contains instructors proctoring the exam, moves away from Earth at 0.280 c, as in Figure P26.27. If the instructors in spaceship

  66. Science

    I have a science exam tomorrow for 9 Space Science. I was wondering if you could help me find free practice exams, tests or questions to review for my exam. We have no way of knowing what your exam will cover. Your best bet is to review your own text,

  67. ap chemistry

    I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience

  68. statistics

    Leslie took two midterm exams and earned the following scores: 82 on the chemistry exam (class distribution: μ = 75, σ = 6.25) and 63 on the physics exam (class distribution: μ = 59, σ = 3.57). Rounding to two decimal points, on which exam should

  69. human growth

    The esteemed Dr Bookworm has just completed a study in which he found a +1.0 correction between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation means that: A. the less coffee

  70. Statistics

    In Professor White’s statistics course the correlation between the students’ total scores before the final examination and their final examination scores is r = 0.9. The pre-exam totals for all students in the course have mean 275 and standard

  71. Math

    Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and 2/3 of the final exam score. To get a “C” or better students must have at least 70 semester average. If Laura scored only a

  72. English

    I forgot to include a few more things. I follow your suggestions. Thank you. 1) Briefly outline the main values on which Victorian society was based. Explain then the role of women and the Victorian (??) view of the family. 2) In your previous post you

  73. Math Statistics

    Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

  74. statistics

    Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the exam? b) What percentage of

  75. social studies

    The esteemed Dr. Bookworm has just completed a study in which he found a +1.0 correlation between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation means that: A. the less

  76. Math

    There are 100 fish species that I have to be able to identify in a lab exam. I only had enough time to recognize 50 species. On the exam, they will randomly select 25 of the 100 species for testing. What's the probability or chance that I would be able to

  77. sentence patterns

    we need some help.We write tomorrow an exam-sentence patterns.we have already written 3 times this exam but we cannot pass.it is too complicated.we get a sentence which has 3 lines it is very hard to understand a sentence at all.we understand those basic

  78. Statistic

    The professors at Wilfred Laurier University are required to submit their final exams to the registrar’s office 10 days before the end of the semester. The exam coordinator sampled 20 professors and recorded the number of days before the final exam that

  79. Geometry

    Hey. I was wondering if someone could help me with this question? I asked my teacher to explain it to me, but I still don't get it. I don't care for an answer, I just want to know how to solve. Thanks in advance. - A (-3, -4) - B (5, 2) - C (11, -6) What

  80. English

    I just had an English exam, and I don't think I do too well. Anyways, there was a few questions in it that I didn't quite understand in the prose questions (comprehensions or whatever they're called). After reading the passage, there was a question asking

  81. English

    Hello all. I speak very little of english. My teacher emailed me this and I wan't to make sure I understand correctly. [The final exam will only cover material since the midterm.] this means that final exam will ONLY cover what we learned after midterm??

  82. statistics

    Scores on a national exam assume a normal distribution with a population mean of 50 and population standard deviation of 10 points. A sample of 36 exam scores was selected from UCA with a mean score of 58 points. Using a significance level of 0.01,

  83. MATH

    Katie must take five exams in a math class. Her scores on the first four exams were 68, 66, 82, and 80. Answer the following questions: The maximum score on an exam is 100 points. If it is not possible for Katie to achieve the required score on the exam,

  84. sta

    1800 students took the scholarship exam and the resulting scores generated a mean of 40 and SD of 10. How many will pass the exam?

  85. Science

    I have a exam coming up,my final grade is 67% and I was wondering what would my mark have to be on my exam to overall pass with atleast 75%?

  86. English

    I took two exams and iffy about my results. Exam one:32/46.8 A >= 46.8 B >= 41.6 C >= 38.5 D >= 33.0 Exam two: 54/100 (curve (Bonus)6%. Thank you!

  87. How to calculate marks to pass with the exam

    My friend has currently 62.4% and the final exam is worth 30%. She's wondering how much she should get on the exam to at least pass or boost it up. Please show the math :o

  88. ap english exam

    Does anyone know where I can find a free online copy of questions 28-43 on the 1996 AP English Language & Composition Exam? I found the exam but for some reason they skipped questions 28-43. I couldn't find it online, but it's possible that questions 28-43

  89. Spanish

    Can someone please explain to me how to do this: Traduce las frases al espanol, por favor. 1. Don't rent the apartment 2. Don't leave 3. Don't pass the papers 4. Never play the piano 5. Don't visit your grandmother etc.... Please help. I have to do 20

  90. Chemistry

    On a practice exam, we have a question that says "How many enantiomers does kendomycin have?" It says the answer is 1, but I don't understand why?

  91. Sue: acc300

    I removed your post because it contains 25 questions for your final exam. We do not do exams. I also doubt if your instructor would welcome this exam being posted on the internet.

  92. physics

    Name of physics book for 11 and 12.to catch engineering exam and other competetive exam

  93. algebra

    the final exam in a course will count as 30% of the total. prior to the final exam, 245 points are possible. how many points will the final exam be worth?

  94. Science- urgent-review

    what type of galaxy do astronomers consider to be the oldest? It's urgent because I am studying for a grade 9 exam but I don't know what this is.. please help.

  95. Science

    hi i have a science exam on tuesday and i don't understand this question and really need some help. Define: reactant and product

  96. Final-Chemistry

    I have finals coming up in a week and a half. I know I should have started studying earlier, but I just had an exam in my chem class and was focused on getting the information for that exam mastered before I started studying for the final. Now, I'm

  97. math

    In a class of 36 students 75% pass the exam. How many failed the exam

  98. Bio

    I have a 67% in bio and our final exam is worth 30%. how much would I have to get on the exam to pass the course?

  99. busines ethics and starting a small business

    I need exam answers to 25 questions that are on the the above college subject exam.

  100. PHYSICS 102E

    (0.2kg)(4190J/kg.degree Celsius)(T-70 degrees Celsius)+(0.1kg)(390J/kg.degree Celsius)(T-20 degrees Celsius)= 0. how will I equate it to get the final Temperature? I don't understand how did they get the answer of T=67.8 degrees Celsius. can someone

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