1. 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
  2. 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
  3. Statistics

    A group of freshmen and sophomore students was selected and each was asked whether they were a member of a student club. The following table was constructed: Student Club No Student Club Freshman 4 15 Sophomore 9 7 Find the probability that a randomly
  4. Math

    Rolando is 61 1/2 inches tall. Marcus is 4 5/8 inches taller than Rolando. How tall is Marcus? A.66 1/8in B. 65 7/8 in C. 65 2/3in D.65 1/8in D Brett asked 20 students in his class which breakfast cereal they prefer. The table shows the results Frosties 12
  5. 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
  6. stat

    for randomly selected adults, IQ scores are normally distributed with a standard deviation of 15. the scores of 14 randomly selected college students are listed below. use a 0.10 significance level to test the claim that the standard deviation of IQ scores
  7. 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/
  8. 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/
  9. 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
  10. 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
  11. 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
  12. Math: Reiny

    I already posted this question, and Reiny had a question about the question. How many square units are in the region satisfying the inequalities y>=(x) and y<=-(x)+3? Express your answer as a decimal. * the () are absolute value signs. •Math -
  13. maths

    The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 Where I is the body mass, W is the person’s weight in kg, and H is the person’s height in metres. Use
  14. Math

    The air pressure in a tire is 800.000kPa.The internal surface area of the tire is 550.000cm^2. Determine the total force applied by the air to the tire. (Round to 3 decimal places). ANS = 44.000kN Force = Pressure x Area = 800.000kPa x 550.000 =
  15. Calculus (Help)

    Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The
  16. math

    Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds, 7,035 are good risk, 1,388 are medium risk, and the rest are poor risk. One bond is chosen is chosen at random. what is the
  17. 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
  18. Chemistry AP

    Calculate the pH of a 0.44 M aqueous solution of NH4Cl. Kb = 1.8 × 10−5 . I've tried used the Ka=Kw/Kb equation then used the resulting 5.5e-10 in Kw=([H+][Cl-])/[NH4Cl] , using that to get the [H+], but it isn't correct and I don't know what else
  19. math(check answers)

    please check my math!! THANKS SO MUCH 1. Identify the decimal And simplified fractional form of 80%. A. 0.8 and 3/5 B. 0.8 and 4/5(I PICK THIS) C. 0.08 and 3/5 D. 0.08 and 4/5 2.A baseball team wins 45% of its games. What fraction of games does it win? A.
  20. Algebra

    Determine all pairs (m, n) of a two-digit natural number m and a single-digit natural number n satisfying the following conditions. 1) If the number n is given as the number between the two digits of the number m, then a three-digit number is obtained
  21. Math

    Determine all pairs (m, n) of a two-digit natural number m and a single-digit natural number n satisfying the following conditions. 1) If the number n is given as the number between the two digits of the number m, then a three-digit number is obtained
  22. 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
  23. english

    Identifying the subordinate clauses.then write Noun,adjective, or adverb to tell what kind of clause it is. 1-Elizabeth Kenny was a nurse who treated polio patients. answer: who treated polio patients. its an adverb clause. 2-Whoever broke the window will
  24. 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.
  25. aed 205

    Read the following vignette and identify the factors that threaten the activity flow of the lesson. Once you have identified the problems, explain how you would avoid the problems if you were the teacher. Here is the story Mrs. P.waits while her
  26. calculus

    Evaluate these limits. (Enter answer as a decimal. Enter INF if the limit is +∞; -INF if the limit is −∞; and DNE if the limit is neither ±∞ and does not exist.) (a)
  27. math

    What was the percentage increase in motor vehicle production in countries outside the United States from 1950 – 1997? 1950- 10,577 1997- 53,463 I'm trying to figure out the percentages of population increases between different countries at different
  28. Finance

    You find the following Treasury bond quote. To calculate the number of years until maturity, assume that it is currently May 2016. The bonds have a par value of $1,000. Rate Maturity Mo/YR Bid price Ask price Chg Ask Yld 5.374 May 30 104.4991 104.6448
  29. 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 =
  30. Math

    Little Billy was out trick or treating on Halloween. He had gotten a lot of candy and was peering into his bag, when out from behind a tree came Freddy Krueger. Freddy reached into Billy's bag and took half of his candy plus one piece. Within a few steps,
  31. 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
  32. English

    Could you check the following statements, please? My doubts concern the words before the parentheses.I really hope you can help me!! 1) Elizabeth believes her closest friend Charlotte has demeaned herself in (?) marrying Mr Collins. Though she is
  33. Statistics

    Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. Use the data to
  34. Math Help

    A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a variance of 2209. (Give your answers correct to four decimal places.) (a) If a truck can carry 3940 lb. and 25 appliances need to
  35. 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
  36. history

    Is it a good idea for consumers to spend on credit cards? Why or Why not? Can it be both good and bad to buy on credit? It is not a good idea for consumers to spend on credit cards because it gives a false sense of security you have money that you really
  37. English

    Thank you for your last corrections. Can you check these sentences, too? Thank you very much in advance. 1) Go straight on (but not go straight on Crown Street?) but go along Crown Street. 2) Where is cinema in Crown Street and how do I get (can I use
  38. Math

    a carnival has a duck pond booth. You choose a rubber duck at random,7 ducks marked as large-prize winners, 9 ducks marked as medium prize winners, and 26 ducks marked as small prize winners. What is the theoretical probability of winning a small prize at
  39. math

    the pizza was sliced into 6 equal pieces. Matrin ate 2 pieces. What fraction of the pizza did he eat. what percent did he eat? If the pizza is sliced in 6hts then its 2 over 6 and you reduce that because 2 goes into each of those numbers making it 1/3. to
  40. English expression

    Let's play the 'who is it' game, in which the appropriate person stands up. Class, first, stand up. I will ask you questions. If your answer is 'Yes, I do' or 'Yes, I am', you should remain standing. However, if your answer is 'No, I'm not' or 'No, I
  41. 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
  42. Math

    I know that year 2010, the population is 38.447 million and year 2011, the population is 38.935 million. The formula given: A=36.1e^(0.0126*t) Determine the population in 2010 and 2011 to nearest thousand people. Use these values to determine the increase
  43. Math

    A motorist makes a journey of 240 km from Singapore to Malacca to visit his inlaws at an average speed of x kilometers. On his return journey, his average speed is reduced by 6km/hour due to traffic. If the return journey takes 20 minutes longer, form an
  44. 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
  45. math,help

    can someone help me set this word problem up into equations so i can solve. I don't want the answer just if you could help me with how to set it up. thanks The base of ladder is 14feet away from the wall. The top of the ladder is 17feet from the floor.Find
  46. ACCOUnting

    Chen Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2010 are as follows. Production Data-Basketballs Units Percent
  47. calculus

    A bicycle wheel has a diameter D = 60 cm and the tyre has a cross sectional radius of r = 2.5 cm. The volume V of the inner tube is given by V = pi^2 D r^2 + (8/3*pi*r^3) If air is being pumped into the tyre so that the volume of the inner tube is
  48. U.S History

    After World War II, the United States offered aid to the nations of Eastern Europe. Why did the nations turn down the aid? MY ANSWER>>> After the war the united states and the soviet union distrusted each other, both were involved in the Cold War.
  49. CHECK my drivers ed answers

    1. Searching for other roadway users includes identifying (1 point) only those in motor vehicles. signs, signals, and roadway markings. users of different sizes and shapes. the characteristics of the roadway.**** 2. What is the Zone Control System? (1
  50. Calculus

    Can someone explain to me how to do these? Given the following definite integral and n=4 answer the following questions. (Round your answers to six decimal places.) 1. Use the Trapezoidal Rule to approximate the definite integral. Answer: T4= 2. Use the
  51. Algebra

    Suppose A is the amount borrowed, r is the interest rate (in decimal form), and m is the total number of monthly payments. Let w = (r)/(12) Then the formula to determine the monthly payment amount for a loan is given by (Aw)/1-(1)/ (1+w)^m (a) What is the
  52. 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
  53. 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=
  54. statistics

    A bag contains a total of 24 white, red, and blue marbles. A student randomly selects a marble from the bag, records the color, and then returns the marble to the bag. The student repeats the process 24 times. The bar graph shows the results of the
  55. English

    Rewrite this fluently into 2 or 3 sentences. Don't use 'and' more than once and avoid using 'then'. I awoke in the darkness. I was in great pain. I was tied up. I heard the roaring of water. I heard thunder. I also heard sailors shouting. The whole world
  56. statistics

    For the major airlines, 21% of all flights depart at least 15 minutes late with a standard deviation of 5%. Currently, 24% of all American Airlines flights depart at least 15 minutes late. If American wants to be in the top 10% of all major airlines with
  57. Math

    The gravitational acceleration, g, on the Earth is proportional to the mass, M, of the Earth and inversely proportional to the square of the distance, r, from the Earth's center. If the gravitational acceleration on the center of the Earth is 9.8 m/s^2,
  58. math check and help

    A certain population has a mean of 472 and a standard deviation of 40. Many samples of size 46 are randomly selected and the means calculated. (a) What value would you expect to find for the mean of all these sample means? (Give your answer correct to
  59. Calculus

    A rectangular recreational field needs to be built outside of a gymnasium. Three walls of fencing are needed and the fourth wall is to be a wall of the gymnasium itself. The ideal area for such a field is exactly 250000ft2. In order to minimize costs, it
  60. math: please help

    The luncheon special at Little Jimmy's costs $4.89. The lunch bunch has $23.50 in it's account. What is the greatest number of luncheon specials they can buy with the money in their luncheon account? I got 4 lunches with about $0.80 left over. Is that
  61. 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
  62. accounting

    Fergie has the choice between investing in a State of New York bond at 5.8 percent and a Surething bond at 9.2 percent. Assuming that both bonds have the same nontax characteristics and that Fergie has a 30 percent marginal tax rate, what interest rate
  63. Statistics help please!!!

    The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are
  64. Statistics

    The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are
  65. math

    any help appreciated on this one, none of us can get it right. Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (b) Determine the critical region and critical value that are used in the classical approach for
  66. Programming

    As instructed by jim, I am reposting my question with work done so far... In this lab, you will demonstrate your understanding of two-dimensional arrays by implementing a TicTacToe game. The service class created in this lab will be utilized later in the
  67. English

    I forgot to include the very last sentences of the day. Thank you. 1) Do you dress your salad with oil and vinegar? Do you season your cutlet with salt and pepper? Do you usually serve pasta with a (?) meat sauce? 2) How do you call the dish you eat your
  68. algebra

    How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:
  69. maths

    Sixty people were asked how many films they had seen in the past year. The results are shown in table 1. Table 1: number of films seen by a group of people during the past year No of film seen(x)0 1 2 3 4 5 6 7 8 N0 of people(f) 23 12 9 6 3 4 2 0 1 What
  70. math check

    Suppose that you are in a class of 31 students and it is assumed that approximately 13% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed.
  71. math...please help asap

    Solve the following; use proper fractions in your answer: 1. 1/3 + 1/4 = 7/12 2. 4/5-2/3 = 2/15 3. 5/6 * 4/5 = 2/3 4. 3/7 divided by 6/8 = 4/7 5. 3 1/4 - 1 3/8 = 1 7/8.....is this a proper fraction? 6. 5 8/9 + 2 4/7 = 8 29/63..is this a proper fraction?
  72. Math

    Write the decimal number for each given number. 1.five and three hundred ten thousandths 2.nineteen and two hundred ten thousandths 3.fifteen hundredths 5.one hundred one and one tenth 6.forty six and sixty three thousandths 7.five hundred and three
  73. Healthcare Statistics

    As a data collection specialist at the National Institutes of Health (NIH), you have been involved in a research study conducted over the past year. The study found that liver cancer rates per 100,000 males among cigarette smokers to nonsnmokers, in a
  74. 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
  75. Managerial Finance

    Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for $200,000 and sell its old low-pressure glueball, which is fully depreciated, for $36,000. The new equipment has a 10-year useful life and will save
  76. Maths ...

    Hi Can anyone help with this little problem , I have to compare the percentage change for the following numbers from a graph (Tonnes) Comparing the lower years with the year 2050 Year 2050 = 14672.873 2046 = 14745.197 1990 = 6096.0 I have worked out the
  77. Physics

    A 51-kg vampire and 139-kg werewolf clash during the Feat of Strength part of the annual celebration of Festivus. The werewolf velocity just before the clash is 6 m/s and is directed upwards, while the vampire velocity at the moment of the collision is
  78. English

    I need to find a good site containing colloquial expressions used in everyday conversations (example, at the phone, at meals etc). I'd also like you to check these sentences, please. 1) Can you use the word “class party” where(to which?) you invite all
  79. Algebra

    The cost, in millions, to remove x% of pollution in a pond is modeled by the equation: . What is the cost to remove 75% of the pollution? Hint: Plug in and calculate, do not convert to a decimal. what value of x would make the equation undefined? Hint:
  80. Math

    Water is leaking out of an inverted conical tank at a rate of 0.0109 {\rm m}^3{\rm /min}. At the same time water is being pumped into the tank at a constant rate. The tank has height 9 meters and the diameter at the top is 4.5 meters. If the water level is
  81. Accounting

    Accounting for a Job-Order Cost System [LO 3, 6, 7, 9] Bob and Beth Ford retired from the food services industry and began catering wedding receptions on a limited basis. The major costs in setting up their business included: linens, $1,600; two complete
  82. Stats Math 2

    Exit polling is a popular technique used to determine the outcome of an election prior to results being tallied. Suppose a referendum to increase funding for education is on a ballot in a large town (voting population over 100,000). An exit poll of 300
  83. math check

    While writing an article on the high cost of college education, a reporter took a random sample of the cost of new textbooks for a semester. The random variable x is the cost of one book. Her sample data can be summarized by the following. (Give your
  84. Physics

    Using the following equations as a guide (some may be used, some may not-choose wisely) y1 OR x1= initial position x2 or Y2 =final position V1 or Vi= Initial velocity V2 or Vf- Final velocity a= Acceleration T- time Equation 1.) x2=x1 +vt Equation 2.) v2=
  85. business management and leadership

    Assignment Detail MGT240-1003A-01 Business Management and Leadership Assignment Name: Unit 3 Individual Project Deliverable Length: 2-3 pages Details: Turning a failing organization around is one of the most interesting activities in management. When
  86. Urgent math

    please help The fox population in a certain region has a relative growth rate of 7% per year. It is estimated that the population in 2005 was 19,000. (a) Find a function n(t) = n0ert that models the population t years after 2005. n(t) = (b) Use the
  87. maths

    Solve the equation using the multiplication principle. -35 = 7k Solve the equation. clear fraction and decimal first. 2.(y-7)- (y+4)) = 6y 3. -5b - 8 = -5 - 2b - 1b Problem one: multiply both sides of the equation by 1/7 Problem two: I will be happy to
  88. ECE 101

    For this assignment, you are asked to design a Plan-Do-Review activity. Be sure to describe in detail each stage of the process (student involvement in the planning, what students would actually do, and what specific questions you would ask during the
  89. Staatistics

    2 Packets of crisps from a production line have a weight distribution that is normal with a mean of 50.0 grams and a standard deviation of 2.0 grams. Samples are taken of size 36. 1. What is the probability that a sample mean is less than 49.0 grams? (Give
  90. English

    1)When passing through the woods, we must pause to see the squirrels busy (in?) hiding their nuts in the grass 2) "No time to turn at Beauty's glance, and watch her feet, how they can dance (Is the rephrase correct? We have no time to see the beautiful
  91. Utopia repost

    how's this? help on grammar and such also needed. "Middletownopia" Middletownopia is a very peaceful and beautiful place to spend ones life. It is located on the southern part of the island Sandi Road. People come from all over the world to visit. The laws
  92. english

    Poem title, author Setting Characters Conflict(s) Resolution Rhyme or rhythm, pattern? on turning 10 You tell me it is too early to be looking back, but that is because you have forgotten the perfect simplicity of being one and the beautiful complexity
  93. Math - Another question to check, sorry... =/

    7. 72 is what percent of 480? Write and solve an equation to solve the problem. Step 1. First, I will write out the equation. part = percent x whole Step 2. Now, fill in the parts… 72 = p x 480 Step 3. I will simply divide 72 by 480, which will be 0.15.
  94. 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
  95. 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.
  96. CHEMISTRY

    I see you took my advice literally about carrying extra places. It isn't necessary to use ALL of those numbers that show up on your calculator. I think 1.5377X + 1.8447Y = 0.944 will be quite sufficient and I suspect even one number fewer still will work
  97. Finance

    1. Briarcrest Condiments is a spice-making firm. Recently, it developed a new process for producing spices. The process requires new machinery that would cost $2,218,246. have a life of five years, and would produce the cash flows shown in the following
  98. Physics (Stress & Strain)

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N. The steel hanger in question has a cross sectional area of 7.000cm^2. ANS = (Round to 3 decimal places) ultimate strength =
  99. Physics (Stress & Strain)

    What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N. The steel hanger in question has a cross sectional area of 7.000cm^2. ANS = (Round to 3 decimal places) ultimate strength =
  100. statistics

    Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4 = ì5, with