1. Math

    If Rachel is at 52% in her class and she gets 50% on her final exam (her final exam is worth 40% of her grade) then what is her final grade?
  2. Chemistry

    I cannot find information that gives me a clear answer whether NaBr is an electrolyte or non electrolyte. I have found some information that K2SO4 is an electrolyte, but now I am doubting that. All of my others I have been able to find solid information
  3. science

    An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? OK, I will bite: What do you think the
  4. cultral diversity

    Help! check my answer Emergent literacy skills are significantly enhanced by a. the educational or professional level of one or both parents b. engaging in literacy events with other persons,especially adults. c.the family's socio-economic ststus and
  5. college

    The results from an independent-measures research study are being used to estimate how much difference there is between two treatments. If the study used a total of n = 10 participants, then the t values for a 90% confidence interval would be __________.
  6. psychology

    My question is about connectionism.I have a program that conctruct connectionist models.Presumably I have number of unit for example one of them is unit1 that represent room: for example office how do I find out data input for that unit I saw somewhere
  7. Stats

    In a qualitative study, which of the following is mostly likely to appear as an outcome of the study?
  8. Chemistry

    How many moles of nitrate ions are present in 24.0mL of a 2.93M solution of potassium nitrate? I'm thinking this is some form of unit conversion problem I know that M= molarity which is mol/L how ever I am confused on how to set this up and input
  9. 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
  10. Algebra Word Problem

    A student has grades of 87, 94, 89, and 92 on four of the five unit tests in a course. Let x represent the grade on the fifth test. This must be a whole number. An average, which can be a decimal, of more than 90 is desired. a) Using this information,
  11. Geography

    Some time ago, I posted up an essay that I had to write but its information was out of my book so i was told to make it in my own words. I have to mail out the exam today and I still havn't gotten anywhere with it!! I've tried to understand each of the
  12. science

    Frenda et al. (2013, p. 285) stated "first, because Slate gathered little information about its participants other than political ideology, it may be that variables confounded with ideology—and not ideology per se—were responsible for the differences
  13. science

    Frenda et al. (2013, p. 285) stated "first, because Slate gathered little information about its participants other than political ideology, it may be that variables confounded with ideology—and not ideology per se—were responsible for the differences
  14. Information Literacy

    1-When choosing your search strategy for a search engine, it's best to A. enter the least important word first. B. ignore alternate spellings. C. combine keywords into phrases by using quotation marks. D. use verbs, articles, and capitals My answer C 2- To
  15. advanced statistics

    suppose the probability is 0.30 that a student taking an exam did not review. what is the probability,that among 6 students taking an exam, 5 did not review? less than or equal to 4 did not review?
  16. Math

    In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or
  17. Math

    In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or
  18. Math

    In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or
  19. Physics for exam

    I can't get this question and its been driving me crazy. I need to know how to do this for my exam. Any help would be appreciated. A golfer is practising his/her swing at a distance of 150m from a house. On the way back to the ground, 5.00 seconds after
  20. rfvv

    1. Alice (is studying) hard for an exam. 2. Alice ( is *doing*) hard for an exam. Thank you for your help. The correct words for the blank in Sentence 1 (in the reading text) is 'is studying'. However, a student wrote 'is doing' instead. The point for 'is
  21. 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
  22. Geography (Ms. Sue)

    1). Which countries besides Spain sent settlers to South America? A: ? 2). Which countries in South America have the highest literacy rates? A: Argentina, Chile, and Uruguay have the highest literacy rates in South America. 3). What have been some
  23. Ethnics

    I truely need help i just don't understand anything and I've read so many times the chapters that I just can't comprehend anything nomore. I have a test on the first friday of november. I'm trying to answer all the questions in the study sheet and these
  24. Grammar

    1. Select the sentence which is correctly punctuated: A) He has 2 major hurdles to accomplish before becoming a doctor: completing his residency and passing the state exam. B) He has 2 major hurdles to accomplish before becoming a doctor; completing his
  25. College Physics

    The electron-volt, eV, is a unit of energy (1eV = 1.602 ·10–19 J, 1 MeV = 1.602 ·10–13 J). Since the unit of momentum is an energy unit divided by a velocity unit, nuclear physicists usually specify momenta of nuclei in units of MeV/c, where c is the
  26. stats

    Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Many students in
  27. Calculus

    Find the area between the curve y=4/x and the x-axis from x=1 to x=e. It is a review question for my final exam and I am really stuck on how to solve You should hope for a final exam question so easy. area= INT y dx= INT 4/x dx from 1 to e area= 4ln x from
  28. Epidemiology

    1. Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of
  29. math

    Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of
  30. English

    Here is the second exercise. Thank you very much for the revision. 1) John ……………………… buy the dictionary for the exam: he can take mine. 2) You ………………………stand on the left on the escalators. 3) I
  31. ISBM

    CASE STUDY : 2 The price P per unit at which a company can sell all that it produces is given by the function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number of units produced. Find x so that the profit is maximum. Question:
  32. algebra

    Snookers Lumber can convert logs into either lumber ofr lywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $40 on a unit of plywood. How many of each unit must be
  33. Algebra

    Snookers Lumber can convert logs intoeither lumber or plywood. In a given day, the mill turns three times as many units of plywoos as lumber It makes a profit of $25 on a unit of lumber and $40 on a unit of plywood. How much of each unit must be produced
  34. INFORMATION LITERACY:

    Which of the following is a primary source? A. A recently published history book that cites diaries and letters from the 1880s B. Diaries and letters from the 1880s published in a recent book that is a collection of diaries and letters from the 1880s C. An
  35. 9th grade Biology

    I really need help with the answers for the unit 2 Lesson 16: Ecology Unit Test
  36. Math

    If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? give an example
  37. math

    A product costs $42.75 per unit and we sell each unit for $78.42 there is a difference of $35.67. What is the percentage of the markup? Thank you.
  38. Measurement Unit Test Unit 1 Lesson 13

    Can someone post the answer that goes to connections academy please?
  39. Math

    Lesson 14 equations and inequalities unit test unit 4 7th grade please help
  40. unit rate

    ok im having trouble with unit rates i cant seem to get them can sum 1 help me or like giv an example to me so i can do the rest of my hw and understand it
  41. Maths

    If a unit is 465mm x 320mm how much will it cost for one unit if its priced at $25 per metre squared
  42. physics 1

    Q4= The unit of mass in S.I. unit is? a. kilogram b. gram c. tonne d. quintal e. newton
  43. Math

    If the number in the numerator of a unit rate is 1 what does this indicate about the equivalent unit rates give an example
  44. Math

    Unit Rates.. But trying to find the unit cost.. $2.00/64 $7.50/256 My answer for the first one is 32. Not sure about the second one .
  45. CHEM

    An atom at the face of a unit cell is shared by how many unit cells? 1 2 4 6 8
  46. Unit rates

    Explain how you can use a unit rate to compare what store is a better buy.
  47. Geography

    Can someone help me with lesson 19 language arts 7A unit 2: Different perspectives unit text
  48. Algebra

    Anyone in Connexus finished the Lesson 13 B Unit 1: Functions Unit Test ??
  49. Math-unit rates

    Find the unit rate for $27.40 for 4 hours of work
  50. algebra

    I need help with the lesson 13 unit 5 fuctions unit test for connexus pls help me.
  51. Math-unit rates

    Find the unit rate for $27.40 for 4 hours of work
  52. Art

    I urgently need you to revise these sentences. Thank you. 1) You can cheat by conceiling pieces of paper full of information in your pencil case. 2) you can take a picture of your exam questions and email it to a friend 2) you can instant message homework
  53. stats ?

    There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students
  54. stats ?

    There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A. Kindergarten
  55. stats ?

    There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students
  56. STATS ?

    There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students
  57. biology

    I need help on the following: Imagine that a motor unit, with its nerve intact, is placed in a solution that is calcium-free (but has the proper ionic strength – don’t worry how). Further imagine that the ends of the muscle fibers in the motor unit are
  58. Statistics

    In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major
  59. 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
  60. math

    a teacher teaches two class and each class contains 35 students. if she grade final exam at a rate of 15 minutes per exam. how many minutes will it take to grade all final . how many hours is this?
  61. Math

    I really need help with unit 5 lesson 14 Equations and inequalities unit test I have been working on this for days but I just don’t get it
  62. chemistry

    does the half life formula t=ln2/k give sec as unit or min as unit
  63. Pre-Algebra

    Hi i need help with lesson 10: Geometry Unit Test Unit 1 1. Name a pair of complementary angles. 1 and 4 1 and 2 3 and 4 1 and 6 2. If m<1 = 53, what is m<4? 53 43 37 27 3. If m<1 55, what is m<5? 55 40 35 25 Please help me :(
  64. Algebra please help out

    If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? Please help answer and give an example. Thanks
  65. algebra 1

    can someone give me all of the answers to linear function unit test unit 6 from connections you will be rewarded
  66. microeconomics

    . For each event, illustrate the impact on the relevant market and determine what will happen to the equilibrium price and quantity in that market. (40 points – 10 points per line item) Event Market for: Show which curve shifts Equilibrium price rise or
  67. HELP MATH

    lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the
  68. calculus

    Argus Company makes three​ products: A,​ B, and C. Each unit of A costs​ $4, each unit of B costs​ $2, and each unit of C costs​ $1 to produce. Argus must produce at least 20​ As, 30​ Bs, and 40​ Cs, and cannot produce fewer than 200 total
  69. Math

    The quantity demanded each month of Russo Expresso Makers is 250 when the unit price is $136.oo. The quantity demanded each month is 1,2oo when the unit price is $98.00. The suppliers will market 700 espresso makers if the unit price is $58.00 or lower. At
  70. Final Exam- Honors Physical Science

    how can you determine the number of protons, electrons,neutrons, atomic number, and the atomic mass of an element using the periodic table? Atomic mass is given in the table, as well as the atomic number and atomic mass number. Atomic number is the number
  71. math

    In 2014, Timmers, Inc. (a retail clothing company) sold 102,300 units of its product at an average price of $100.00 per unit. The company reported estimated returns and allowances in 2014 of 1.5 percent of gross revenue. Timmers actually purchased 109,500
  72. math lit

    The price of a apple increase from R2,40 to R3,72. What is the percentage increase in the price of the apple?? If an exam is 2 and a half hours long and its out of a total of 100 marks A)how many mintutes do you have in whic to complete the paper?? B) at
  73. math

    Anxious Billy Bob pulled out his math recording sheet and saw the following scores 54,62,65,68,70,70,78,82,84 A. He want to calculate his average.Which measure of center is the average?compute it ? I have this :The measure of center is the average, mean
  74. English

    1. I'm very happy because I can go to school and study now. 2. I'm very happy that I can go to school and study now. 3. I'm very happy I can go to school and study now. -------------- Are both the same in meaning? Which one is popular, 'because' or 'that'?
  75. Algebra readiness

    Unit 4 Lesson 11 Real nmbers and the coordinate plane unit test. Need help on questions 1-20
  76. math. metric system

    To convert from a smaller unit to a larger unit you divide or multiply or add by 10 ?
  77. geomertry

    i am at connexus and on lesson 10 unit 1 in pre-algebra b. we are at the unit test and i want to know what are the awsers please to 1-18 i have the rest, i just need to check.
  78. la

    Does anyone have the answers to Connections Academy Lesson 19: Unit Test Language Arts 8A Unit 2: Turning point?
  79. Social Studies

    If there is anyone in Connections Academy, could you help me with the Mesopotamia Unit Test - Unit 3 - Grade 7? It would be much appreciated! Thx!
  80. math

    Why a rectangular prism composed of 2 unit cubes has 6 faces. How do its dimensions compare to a unit cube
  81. Chem

    What would the unit be if you calculate the rate when A= 0.30 M and b= 0.30 M. I have the calculation done right and its 1.57 x 10 to the -3 but I don't know the unit
  82. Math

    Can the sum of two unit vectors be a unit vector? Can the difference?
  83. science

    establisHey relationship between si unit and commercial unit of energy
  84. physics

    mass is a quantity unit rate magnitude. unit?
  85. ratios....unit rates

    what is the unit rate of 120 b lbs/ $15
  86. math

    what standard unit is comparable to a unit? thank you mrs.Sue
  87. interior decorating

    In which of the following ways do the Montessori organizations differ from the other accrediting groups you learned about in your study unit? A. Your facility must be evaluated by an accreditation committee. B. You must be a member of the organization
  88. ethic and social responsib

    People who work in the field of mental health__________a________ (Points : 1) may reveal information in cases where the patient intends bodily harm to another person. may never reveal confidential information. ought to never reveal any information. may not
  89. Statistics

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))
  90. statistics

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))
  91. basic statistics for the behavioral sciences

    (a)on a normal distribution of exam scored, poindexter scored at the 10th percentile, so he claims that he outperformed 90% of his class. Why is he correct or incorrect? Because Foofy's score is in a tail of the distribution, she claims she had one of the
  92. Statistics

    Quick Normal/InvNormal Calculator In a study of human mortality rate, an Actuary estimated that in US and Canada, about 78% (fictional figures) of life insurance claims resulted from accidental deaths. Suppose a study is being planned to estimate the
  93. Inferential Statictics

    Welsh, Davis, Burke, and Williams (2002) conducted a study to evaluate the effectiveness of a carbohydrate-electrolyte drink on sports performance and endurance. Experienced athletes were given either a carbohydrate-electrolyte drink or a placebo while
  94. English

    1. A lot of studens are studying in the study room. (Can we use the term 'study' room' as a big place where students can study together? Do you have some other expressions for that?) 2. He is in the reading room with his friends to read books. (Is it
  95. ethics & law

    Can anyone help me locate the code of ethics for the FBI Behavioral Science Unit? I have to tell the code of ethics and list two examples of potential ethical dilemmas and I can't find this information anywhere.
  96. 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
  97. Health and physical education

    I really need help on the connexus academy health and physical education grade 6 semester b unit 6 lesson 6 human body systems test. Please someone help me! If I don't finish this test today I will be in a lot of trouble and I don't have time to study!
  98. Health

    How do states handle access to non-identifying information for a party to an adoption? A. All states allow access to such information to anyone interested in it. B. All states allow an adoptive parent or a guardian of an adoptee to access the information.
  99. Accounting

    Currently, the unit selling price of a product is $110, the unit variable cost is $80, and the total fixed costs are $345,000. A proposal is being evaluated to increase the unit selling price to $120. a. Compute the current break-even sales (units). units
  100. statistics

    An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75