1. physics

    A bicyclist traveling with speed v=3.3 m/s on a flat road is making a turn with a radius r=8.6 m. The forces acting on the cyclist and cycle are the normal force (FN) and the friction force (Ffr) exerted by the road on the tires, and mg, the total weight
  2. physics134

    A ball, with a mass of 0.144 kg, is thrown from the top of a 76.8 m building (point A) at an angle, θ = 65º with respect to the horizontal. The initial speed of the ball is unknown. The ball reaches a maximum height of 12 m above the building after which
  3. Math 11

    I am really stuck at these 4 questions. Pls help: a) Two spheres of the same density have a ratio of 9 to 16 inches in surface area, If the small sphere weighs 15 kg what does the sphere weighs. Answer to the nearest 10th of KG. b) The ratio of the volume
  4. Physics

    A movie stunt man (mass 82.3 kg) stands on a window ledge 5.69 m above the floor. Grabbing a rope attached to a chandelier, he swings down to grapple with the movie’s villain (mass 72.3 kg), who is standing directly under the chandelier. (Assume that the
  5. Chemistry

    How would you write these chemical reactions?Can someone do one or two reactions for each problem, so I could get an idea of to them? ..I'm nit sure how most of the oeoducts wouls turn out..especially if it is a precipitate. 5. When Mn^2+ ions are
  6. Statistics

    In a murder trial in Los Angeles, a shoe expert stated that the range of heights of men with a size 12 shoe is 72 inches to 76 inches. Suppose the heights of all men wearing size 12 shoes are normally distributed with a mean of 73.5 inches and a standard
  7. math

    Tommy, Shawn and Ricky had a total of 192 picture cards. In a game, Tommy lost some picture cars to Shawn and Shawn’s picture cards doubled. Shawn in turn lost some picture cards to Ricky and Ricky’s picture cards doubled. Then they each had the same
  8. Math

    Please double check In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h? Answer: 1.00 or 0.20 A circular coffee table has a
  9. physics

    First off, thanks a lot for your help. Secondly, will you do it again? A bicyclist traveling with speed v = 3.2m/s on a flat toad is making a turn with radius r = 2.8 m. The forces acting on the cyclist and cycle are the normal force (N) and friction force
  10. Math

    A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability
  11. Math Help

    A brewery's filling machine is adjusted to fill bottles with a mean of 31.5 oz. of ale and a variance of 0.003. Periodically, a bottle is checked and the amount of ale noted. (a) Assuming the amount of fill is normally distributed, what is the probability
  12. Essay proofread Final

    Eric Yiadom is a hotheaded volcanic tempered basketball player whose attitude often leads others to malign him. He is tall and slim with dark olive skin and has short red hair as hot as his temper. On the court he lacks good sportsmanship. Deliberately,
  13. Statistics

    A sample of 148 values is randomly selected from a population with mean, μ, equal to 46 and standard deviation, σ, equal to 17. (Give your answers correct to one decimal place.) (a) Determine the interval (smallest value to largest value) within which
  14. financial resources

    Assignment Type: Discussion Board Deliverable Length: 2-3 paragraphs Points Possible: 55 Due Date: 5/18/2008 11:59:59 PM CT Bob Brown was recently involved in a minor auto accident. His car was hit from behind, and he, in turn, slammed into the car in
  15. math please help

    The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting this
  16. fin/370

    The target capital structure for Jowers Manufacturing is 51% common stock, 20% preferred stock, and 29% debt. If the cost of common equity for the firm is 20.8%, the cost of preferred stock is 11.8%, and the before tax cost of debt is 10.8%, what is the
  17. calc

    On January 1, 2013, at a price of x dollars, the demand for a certain product was D(x) = 300 x2 + 10px thousand units per month. t months after January 1, 2013, it is estimated that the price of the product will be x(t) = 3t4/3 +16 dollars. At what rate is
  18. Calc..Help Please

    A model for the length of daylight (in hours) in Philadelphia on the t th day of the year is L(t)= 12+2.8 sin[2pi/365(t-80)] Use this model to compare how the number of hours of daylight is increasing in Philadelphia on March 21 and May 21. (Assume there
  19. algebra

    For 1983 through 1995, the amount of private donations D (in millions) allocated to education can be modeled by D= 1.78t^3-6.02t^2+ 752t+ 6701 where t is the number of years since 1983. In what year was 14.3 billion of private donations allocated to
  20. Health

    Writeacher, I need you help to rephrase and answer a question on the use of children in advertising. 1) I need to rephrase this: “ Advertisers want to reach into the hearts and minds of the people who are watching the ads. Today’s washing powders
  21. Advanced Functions/ Precalculus Log

    1. Evaluate 4^(log base4 64) + 10^(log100) 2. Write 1+log(base2)x^3 as a single logarithm 3. Write log(base b)√(x^3 y z^6) 4. Solve log(base 2)x-log(base 2)6=log(base 2)5+2log(base 2)3 5. Solve 3^(2x) = 9(81^x) 6. Solve 3^(2x)=7^(3x-1). Round answer to
  22. English

    I left out the following sentences on the same theme. Thank you. 1) If Duncan is bleeding, she will smear the grooms’ faces with blood and she goes to perform to task. 2) She will paint their faces with the golden blood. 3) Macbeth wonders whether all
  23. Math Decimals

    Jason has 4 tiles. Each tile has a number printed on it. The numbers are 2,3,6, and 8. A decimal number is formed using the tiles and the clues. Be a math detective and find the number. Clues: digit in tens place is the greatest number. digit in tenths is
  24. Statistics

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability
  25. Math

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability
  26. finance

    On March 11, 20XX, the existing or current (spot) 1-, 2-, 3-, and 4-year zero coupon Treasury security rates were as follows: 1R1 = 0.40%, 1R2 = 1.00%, 1R3 = 1.40%, 1R4 = 1.55% Using the unbiased expectations theory, calculate the 1-year forward rates on
  27. Math

    38.In science lab 20 out of 25 students wore protective glasses. The other 5 students filled out lab reports. Which decimal number is equivalent to the fraction of students who did Not wear protective glasses? A.0.25 B.0.80 C.0.50 D.0.20 A 39.Nik is
  28. English

    Mom, I'm going to the stationery store. I'll buy some ball-point pens, fountain pens, and mechanical pencils. I'll buy some notebooks and workbooks, too. I'll come back around 7:00 p.m. Don (Is this passage corect?) 1. I'll be back around 7:00 p.m. 2. I'll
  29. FIN

    Question 2 Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of $12.00 million. This investment will consist of $2.00 million for land and $10.00 million for
  30. Principles of Finance

    A five-year project has an initial fixed asset investment of $335,000, an initial NWC investment of $35,000, and an annual OCF of −$34,000. The fixed asset is fully depreciated over the life of the project and has no salvage value. If the required return
  31. math

    In 2008 (Leap year) KIT Hospital had 150 licensed beds for adults and children from January 1st through June 30th. From July 1st through December 31, licensed beds increased to 175. During the first half of the year there were 23114 inpatient service days.
  32. Social 30

    So I have to write an essay test on this question: "To what extent should political decision-making be restricted to a specific group in society?" I'm having a lot of trouble on what to say, I'm terrible at essay writing, so if someone could help that
  33. ALGEBRA

    Find the range and the variance (correct to one decimal place). 77, 92, 93, 93, 98 (b) Find the variance = I had the range correct except the variance.
  34. Organic Chemistry - Refractive Index

    Hi, I have a question that I don't know if I am on the right track to answering. If two samples of organic liquids give the same refractive index reading, are the two liquids the same? I know the refractometer is a very precise instrument - up to 8 decimal
  35. SCIENCE (correct I hope)

    Summarize the hydrologic cycle. How important is this cycle to Earth? The hydrologic cycle is a circulation of water from the oceans to the atmosphere and land, and back to the oceans. The hydrologic cycle starts with evaporation of water which comes from
  36. Biology Research Paper

    Is this the correct way to cite a source using parenthetical documentation in my research paper? Coal is a solid fossil fuel formed over millions of years by decay of land vegetation. When layers are compacted and heated over time, deposits turn into coal.
  37. Literacy 4

    Please check my work. Thank you. 1. Government documents in a library are classified according to which of the following schemes? A. Superintendent of Documents B. Government Printing Office C. Dewe Decimal D. Library Of Congress Answer #1 is A 2. You're
  38. Calculus I (PLEASE HELP!)

    These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the
  39. Calculus

    These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the
  40. Chemisty

    In titrations of acids and bases, what is the difference between the end point of the titration, and the equivalance point? Also, what is chemically occuring during the buffer zone? Thanks! Good question and one that students sometimes have trouble with.
  41. Language Arts

    Excerpt from “I Am a Native of North America” by Chief Dan George Man must love fully or he will become the lowest of the animals. It is the power to love that makes him the greatest of them all . . . for he alone of all animals is capable of love.
  42. ap physics

    A force of magnitude Fx acting in the x-direction on a 2.55-kg particle varies in time as shown in the figure below. (Indicate the direction with the sign of your answer.) (a) Find the impulse of the force. (Give your answer to one decimal place.) kg ·
  43. Algebra

    This is not a question, but six problems with answers, so please review them. If I have any wrong then please explain how to do it step by the step for the answer and suggest any thing. Thank you tutors. Solve. 1. Sasha can mow 3/8 of an acre of grass in
  44. english grammar

    please kindly help me to correct the usage in english grammar. 1. Teacher: So what do you know __about___ prepositions? From At In About 2. Student: Well I know that they usually come _before___ nouns. On After Under Before 3. Teacher: Very good. Which do
  45. math

    Statistics. The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting
  46. Physics,2.01x

    The shaft ACB, of constant outer diameter 2R and length 2L, is fixed to walls at both ends A and B. The left half of the shaft (AC) is solid, while the right half (CB) is hollow, with an inner diameter 2√R. The right half, CB, is subjected to a uniform
  47. Algebra II

    last 2 for tonight Express log6(19) in terms of common logarithms. Then approximate its value to four decimal places. Answer: log19/log6=1.6433 In a certain area, the sale price of new single-family homes has increased 4.1% per year since 1992. If a house
  48. Physics

    A mixing beater consists of three thin rods, each 10.9 cm long. The rods diverge from a central hub, separated from each other by 120°, and all turn in the same plane. A ball is attached to the end of each rod. Each ball has cross-sectional area 3.70 cm2
  49. US history questions

    CAN SOMEONE CHECK THESE QUESTIONS, I'M NOT 100% CONFIDENT IN MY ANSWERS? PLEASE THANK YOU! US-Soviet relations during the early years of Reagan Administration: A. improved because NATO decided not to deploy cruise missiles in Europe. B. changed little
  50. science

    The molecular structures of two ‘penicillin-like’ compounds, A and B. in the compound A the C-C-N ring is intentionally bold, as is the C-C-C-C-N ring in compound B. By comparing these structures assess which of A and B, might be (i) more active than
  51. Physics

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position
  52. english

    Please help if my answers are correct and let me know the correct answers below. thank you. Can we see (1) _____ the earth is a globe? Yes, we can. When we watch a ship that sails out to sea, we can see that the ship begins (2) _____. The bottom of the
  53. math

    A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final
  54. math

    A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final
  55. math urgent help needed!!

    I am so sorry but this homework is due in half an hour. Please help me! A smokestack deposits soot on the ground with a concentration inversely proportional to the square of the distance from the stack. With two smokestacks 20 miles apart, the
  56. English

    I need help with 2 questions for this poem: Hear, nature, hear; dear goddess, hear! Suspend thy purpose, if thou didst intend To make this creature fruitful! Into her womb convey sterility! Dry up in her the organs of increase; [5] And from her derogate
  57. physics please someone help

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position
  58. Physics

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position
  59. English

    I left out the following sentences, thank yoU, Writeacher. 1) She tells him to wash his bloody hands with water. 2) The main characteristics of a revenge tragedy are as follows. First, a violent or sexual crime is committed against a member of the hero's
  60. Stats

    Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 17 Allen's hummingbirds has been under study in Arizona. The average weight for these birds is x = 3.15 grams. Based on previous studies, we can
  61. College Algebra and Finance

    Please help! Just need the answer... A lender gives you a choice between the following two 30-year mortgages of $200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of $1283.93 Mortgage B: 6.8% interest compounded monthly, no
  62. Statistics p-value

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls
  63. please help me in math

    The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. Among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? Express
  64. Algebra

    I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an
  65. Algebra

    A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria,
  66. Stats

    This is the question: Let's propose a hypothetical situation where you plan to apply your newly acquired analytical skills to the end of the baseball season. The Dodgers most recent win percentage is 0.569. Assume that the team that they are playing and
  67. physical geography

    If u left New Orleans 30 degrees N, 90 degrees W at 4:00 am on Friday Dec, 31, and traveled for 12hrs be4 arriving in Baku, azerbajjan 40 degrees N,30 degrees E at what time and on what day would u arrive in Baku?(show work) 1-if you live in los angles
  68. Algebra--please help!

    I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me through it, too, so I can fully understand it, because just the answer won't really help. #1: A math teacher wants to curve a set of
  69. calculus

    An Olympic athlete is standing at the edge of one side of a 3.7km wide river and wants to reach the point 7.4km downstream just along the edge of the opposite side. For this entire 7.4km stretch, the river is completely straight. The velocity of the
  70. Statistics

    In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In
  71. English

    I left out the following sentences. I did some corrections myself. I hope you can help me. Thank you very much. 1)All revenge tragedies derive from the Greeks, then came Seneca who set the rules for all revenge tragedies written in the Elizabethan Age. 2)
  72. FIN/370

    If a firm buys on trade credit terms of 1/10, net 45 decides to forgo the trade credit discount and pay on the net day, what is the annualized cost of forgoing the discount (assume a 360-day year)? The annualized cost of the trade credit terms of 1/10, net
  73. religions

    I have a final due within 9 wks from now. I have to do an interview to a different religion which is not mine. I am catholic. But i don't know what type of questions are good enough to ask. Does anyone know of a site or some type of good questions to ask.I
  74. Statistics

    A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. Number of days: 0 , 1 , 2 , 3 , 4 , 5 Frequency:
  75. Math (Calculus) (Work)

    Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.) This is what I did so far: 4 in =
  76. geometry

    On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between
  77. Statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
  78. College Algebra

    On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between
  79. statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
  80. statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
  81. statistics 2

    In Hamilton County, Ohio the mean number of days needed to sell a home is 86 days (Cincinnati Multiple Listing Service, April, 2012). Data for the sale of 40 homes in a nearby county showed a sample mean of 80 days with a sample standard deviation of 20
  82. Stats

    In a study of children with a particular disorder, parents were asked to rate their child on a variety of items related to how well their child performs different tasks. One item was "Has difficulty organizing work," rated on a five-point scale of 0 to 4
  83. Geometry

    I need help... Did I end up with the correct answer? A trapezoid has equal nonparallel sides, The upper base is 6, the lower base is 16 ( 11,5) and the diagonal is 12. What is the altitude of the trapezoid? Round your answer to the one decimal place. I was
  84. Ed Tech plz helppppp

    What does it mean to troubleshoot your computer? identify problems with your computer and attempt to fix them*** to open your computer to see what's missing from the hard drive to switch the mouse and keyboard plugs to download and print an new computer
  85. Math

    Statistics. The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting
  86. English

    Can you please check the grammar in the following sentences? Thank you. 1) His father is the perfect king who symbolizes justice and strength, unlike (?) his uncle, who is pure evil. (or who stands for pure evil?) 2)He fears that when becomes King, he will
  87. Math help

    We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and
  88. Math help

    We have no ideal on how to start this problem, we have look for it on the charts, did not see. Please help Consider the following. (Give your answers correct to two decimal places.) (a) Find the standard score (z) such that the area above the mean and
  89. Algebra

    During the first part of a trip, a canoeist travels 98 miles at a certain speed. The canoeist travels 10 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on the FIRST part of the trip?
  90. Physics

    In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 49 N to the input piston, which has a radius r1. As a result, the output plunger, which has a radius r2, applies a force to the car. The ratio r2/r1
  91. CALC

    A 200-gallon tank is currently half full of water that contains 50 pounds of salt. A solution containing 1 pounds of salt per gallon enters the tank at a rate of 6 gallons per minute, and the well-stirred mixture is withdrawn from the tank at a rate of 6
  92. Math

    Sophie measured a piece of paper to be 21.7 cm by 28.5 cm. The piece of paper is actually 21.6 cm by 28.4 cm. Determine the amount of square centimeters in the area of the piece of paper using Sophie's measurements.(I got 618.45 sq cm) Determine the number
  93. checking answers 4 algerbra

    1. simplify by removing the parenthses and collecting like terms. 83q - (39q-38)=44q+38? 2. solve for y---z=ym answer y=z/m? 3. divide if possible -6/"over" 17 divided by (-5/"over"17)=undefined? 4. translate to algerbirc expression the sum of c and n=
  94. College Calculus 1

    A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a distance 300 m from the center of the track. How fast is the distance between the friends changing when the distance between them is
  95. Physics

    A rapidly changing magnetic field in any region of space induces a rapidly changing A.Magnetic field or B.Electric field? which in turn induces a rapidly changing A.Magnetic field B.Electric field?
  96. Statistics

    A monthly report to the Texas Department of Health, division of Water Hygiene, contained the following water production data in thousands of gallons: 5263 5636 5264 4395 6090 5293 4668 5725 5171 4378 5118 5538 4838 5167 5119 5438 6843 5262 4653 5303 5913
  97. Physics

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/
  98. Physics

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 64000.000N. The steel hanger in question has a cross sectional area of 7.600cm^2 ANS= Round to 3 decimal places Safety factor = design load/
  99. science

    scientists performedan experiment to determined whether there is a connection between learning ability and food. they took two groups of 20 mice each, all from the same purebred strain. the mice were deprived of food for 3 days and then given a standard
  100. Mathematics

    1.find the capacity of rectangular tone in liters.. Length 5.5 Width 3.5 height 3.6 Height 2.7 Length 4.75 width 3.5 2.Find total surface area of solid cube of volume: 3.A man earn $1200 and spends $450 per month. Find ratio of (a) his income to his