one task takes 7 mins second task takes 12 min third task takes 21 nin how long dids the 3 tasks take, as a fraction of a hour 7/30+12/30+21/30=40/30 =1 1/3 hr is that right? no 2/3 Prinness is correct.

11,281 results
  1. Career prep

    Which of the following is true about careers? is it possible for a person to have the same job title but do completely different task? is it typical for a person to only be responsible for performing one or two task of work ? is it unusual for a person to

  2. Stats

    The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 150 sec and a standard deviation of 20 sec. The fastest 10% are to be given

  3. Math

    Plz help me understand this. I need to know how to do it. It took Khalid 90 minutes to complete 40 tasks. Which answer choice is an equivalent rate? A). 10 task in 0.9 minutes B). 10 task in 2.25 minutes C). 10 task in 9 minutes D). 10 task in 22.5 minutes

  4. Algebra

    Solving Inequalities Portfolio – Unit 4 Make sure you answer each part of each task. Label each answer with the letter that corresponds to it. Task 1 You can pick any amount of money you want to invest, but keep it logical. I doubt if you have 1 million

  5. statistics

    The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 120 sec and a standard deviation of 25 sec. The fastest 10% are to be given

  6. algebra

    A can do certain task in 8 hours, B in 10 hours and C in 12 hours. How long will it take to do the task if A and B work 1 hour and then A and C finish the task?

  7. Physics

    An elevator motor provides 45.0 kW of power while lifting a 2000 kg elevator 35 m. If the elevator contains six passengers of the same mass and it takes 20.0 s to accomplish this task, determine the mass of each passenger. Assume the system is 83 %

  8. operation management

    A firm is planning to set up an assembly line to assemble 40 units per hour. Assume that 57 minutes per hour are productive. The time to perform each task and the tasks preceding each task are as follows: Task Preceding Task Time to Perform (Min) A - 0.69

  9. Fraction help wrong answer

    It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I did this : It takes Nadia Language Arts home work longer by 13.34 minutes longer. 4/9 x 60 min = 240/9 =

  10. Business

    Your coworker struggles with a task. You take it upon yourself to train your coworker how to effectively complete the task. Which ability does the following example represent? A:assertive B:persuasive C:systematic** I think it is systematic because it is

  11. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

  12. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

  13. Math

    A man can do a certain task in 21 hours, another man can do the task in 28 hours and a boy can do the task in 48 hours. Find how long it will take to do the task if all three work.

  14. math

    if wayne completed a task in one hour and sarah completed a task in two hours, how long will they take if they work together?

  15. mathematics

    A gardener has the task of digging an area of 800 metres per square. On the first day he digs an area of 10 metres per square. On each successive day he digs an area of 1.2 times the area that he dug the previous day, until the day when the task is

  16. english

    I have to conduct a team task anaylsis, cognitive task analysis and task analysis of my job as being a student? Im not sure how to do this. I have already thought of all related behaviours and duties for each but again can anone give me an example? or

  17. physics

    Paul lifts a sack weighing 245 newtons vertically from the ground and places it on a platform at a height of 0.7 meters. If he takes 10 seconds to do this task, what power has he expended during this time?

  18. English

    Hi! Need some advice.Next week I need to teach a class. My task is to find a text (I have found it,it's a german literature)and now I need to do something with this text and it needs to last for 45-60 minutes.It shouldn't be just one task but more(3 at

  19. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

  20. algebra

    A man can do a certain task in 21 hours, another man can do the task in 28 hours and a boy can do the task in 48 hours. Find how long it will take to do the task if all three work.

  21. Criminology

    Which traits are shared by most task forces? There may be more than one correct answer. Be sure to select all that apply. ANSWER: - task forces work across jurisdictions - task forces require different kinds of expertise

  22. help please

    sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. why is this not an effective study plan ? A. The task is irrelevant to her priorties. B. The task is not realistic for the time she has set

  23. Algebra 2

    Task: Come up with a new linear function that has a slope that falls in the range -1

  24. math

    Find the time for two people working together to complete a task if it takes them 4.5 hrs and 6 hrs working individually.

  25. computer

    Object-Oriented Data and Processes • Identify a task you perform regularly, such as cooking, mowing the lawn, or driving a car. • Write a short, structured design (pseudocode only) that accomplishes this task. • Think about this task in an

  26. Lesson 6 Principles of Management

    According to the job characteristics model, skill variety, task identity, and task significance combine to affect: knowledge of results, meaningfulness of work, responsibility for results, autonomy

  27. Math

    A team of workers took 167.3 hours to complete a task. A smaller team of workers will computer the same task, but it will take them 1.25 times as long as it took the first team based on this information, which statement is true

  28. Business Management

    The Environmental Protection Agency administers environmental standards in the U.S. EPA represents the what, and of what organizations? A.local communities; task environment B.finiancial institutions; internal environment C.government regulators;task

  29. English

    1. You should not take on the task because you have to spend a lot of time on it. 2. You should not take the task because you have to spend a lot of time on it. 3.You should not take over the task because you have to spend a lot of time on it. (Which one

  30. english

    FURY has erupted at a gruelling summit in Copenhagen on rolling back climate change as poor nations took to task a draft deal whose supporters even said was less than they sought. this is extracted from newspaper for the purpose of study english . Who can

  31. math

    Bijous I and II start their movies at 7:00 p.m. The movie Bijou I takes 75 min, while the movie Bijou II takes 90 min. If the shows run continuously, when will they start at the same time again?

  32. math

    My son has been given the collinear problem below that has be stumped two folds. 1- By trying to solve the problem using (y2-y1)/(x2-x1)=slope -- and then, find the (b) in y=mx+b for two points takes way way too long to be a 7th grade probem. My son has

  33. math

    one task takes 7 mins second task takes 12 min third task takes 21 nin how long dids the 3 tasks take, as a fraction of a hour 7/30+12/30+21/30=40/30 =1 1/3 hr is that right? no 2/3 Prinness is correct. There are 60 minutes (not 30) in an hour. So -- your

  34. Radical and Rational exponents

    Estimate how long it takes you to complete a task of your choice (house cleaning, mowing, etc.) in a given week. Suppose that Joe is slower than you at the given task and takes three times as long as you do. If you work together, how long would it take you

  35. MATH

    An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two workers to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task. Estimate how

  36. Algebra

    Working​ together, Sarah and Jeff can do a task in 6 hours. Jeff uses a motorized cart to do the​ task, whereas Sarah uses a pushcart. If each person does the task without the help of the​ other, it takes Sarah twice as long as it takes Jeff. How

  37. Statistics

    Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for person i (i = 1, 2, 3, 4) has a uniform distribution on the interval [0, i]. Suppose each person begins the task at the same

  38. math

    it takes janet 9 hours to do a task and it take jancie 10 hours to do the same task how long will it take both of them to do the task together

  39. Statistics

    Four people working independently on an assembly line all perform the same task. The time (in minutes) to complete this task for person i (i = 1, 2, 3, 4) has a uniform distribution on the interval [0, i]. Suppose each person begins the task at the same

  40. math

    need to check answers please 9/11-3/11+7/11=13/11=1 2/11 evaluate then to lowest form One task took 7 minutes (min), a second task took 12 min, and a third task took 21 min. How long did the three tasks take, as a fraction of an hour?2/3 find perimeter of

  41. College Algebra

    Part 1: Using the Library, web resources, and/or other materials, find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds

  42. Computer Science

    Mythical Man question: If it takes one person 3 months to complete a task, why does it take 4 people 6 months to complete the same task?

  43. college algebra

    Find the time for 2 people working together to complete half of a task if it takes them 8 hours and 10 hours to complete the entire task working individually. Thank you!!!

  44. college algebra

    Find the time for two people working together to complete half a task if it takes them 8 hours and 10 hours to complete the entire task working individually.

  45. Exceptional children

    I need to do a task analysis on a self-care task that i usually do everyday.I need to find out all the diferent tiny skills that make up that one task that I don't think much about it.I could do it in 2 different ways, and each way will give me a better

  46. Physics

    A particular task exposes the operator to alpha radiation at an average dose of 200 ìGy each time the task is performed. If the company needs the task performed once per day over a 250-day working year and the maximum occupational dose limit is 20mSv per

  47. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

  48. math

    If 3 people walk around a track, one takes 6 min, one takes 9 min and one takes 12 min. How long til they meet at the start line?

  49. Assistance Dogs

    Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds,

  50. physics

    This is an example question which I have the answer to but can not seem to get the same answer through my workings, any help with the equation would be great. A particular task exposes the operator to alpha radiation at an average dose of 200 ìGy each

  51. Science...ANSWER ASAP

    i've lost my task sheet and i can't find it online. but my other class mates have managed to find it. I cant get hold of them as it's bank holiday monday. my homework is due in first thing. my task sheet is called: 9G task sheet (L5-7) please help..it hass

  52. AED

    Can anyone give me suggestions on the following information that will help me please.. Choose a disruptive or off-task behavior that is routinely displayed in a classroom. • Prepare a 10-minute role-playing script based on the off-task or disruptive

  53. direct and indirect guidance

    Jenny's mom handed her a block and told her, "Here, Jenny. Take the block." Jenny's mom has asked for _______ compliance. A. task B. attentional C. contact D. threatening My answer between C and A. C is because mom makes a direct contact. Or A. mom gives a

  54. MATH

    Lenny,mark,andliza are going to jog along 3 different trails in the park. To complete one circuit , lenny takes 6 min., Mark takes 12 min., and liza takes 9 min. if they start at the same place and the same time, how long will it be before they are

  55. Homework

    Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this not an effective study plan? A. Her scheduled break is not long enough. B. The task is not concrete or specific enough. C. The

  56. Reading

    Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this not an effective study plan? A. Her scheduled break is not long enough. B. The task is not concrete or specific enough. C. The

  57. math

    If A and B work together,they can finish a task in 2 hours. If they do the task separately, B can finish 3 hours earlier than A can. Find the time required for B to finish the task alone.

  58. statistics

    On a standard anagram task, people successfully complete an average µ=26 anagrams with a standard deviation=4. This distribution is normal. A researcher would like to demonstrate that the arousal from anxiety is distracting and will decrease task

  59. college maths

    Suppose that you have been asked to take over as a project manager on a small construction project which has been decomposed into 7 tasks – activities. Let Qi be the quantity of work for task i (expressed in labor days/machine days/ days needed to

  60. Business

    What job enrichment practices does Nestle follow regarding: task identity task significance autonomy

  61. HIstory

    Why did congress feel that construction was a confessional task and not a presidential task?

  62. Algebra

    An artist paints t shirts. It takes 15 mins to set up and 40 mins to clean up. Once it is set up it takes the artist 12 mins to paint the shirt. What would an equation be for how many shirts he makes in 127 mins?

  63. Math

    Every moment of every day, light pours out from the Sun at the center of our solar system and travels to Earth. It does not arrive at Earth instantaneously though; it takes time to get here. Your task is to figure out how long it takes for light to travel

  64. physics

    an elevator motor provides 45 W of power while lifting a 2000 kg elevator 35 m. if the elevator contains six passengers of the same mass and it takes 20.0 to accomplish this task, determine pass of each passenger.

  65. Math

    Skyler = 32.35 LuiZ = 21.78 Todee= 28.19 Together= 28.19 U sing the individual times for your tema member. Erige an equation to model the work done and solve that equation for the estimated time that it takes to complete the task together.

  66. math

    Imelda, susan and clara are driving go carts around a track. Imelda takes 14 min, susan takes 9 min and clara takes 10 min to drive one lap. suppose all three of them start together at a point and drive at their same speeds. after how many minutes would

  67. english

    if a task description is to write an essay what is a goal?( in a language learning diary) and if a task desription is to learn some theory for an exam what is a goal?

  68. MATH

    Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it

  69. Computer science

    Write a short response detailing which daily task you chose, and the high level and low level instructions to complete that task. Can someone give me an example, I'm not understanding this.

  70. business statistics

    For one of the tasks in a manufacturing process, the mean time for task completion has historically been 35.0 minutes, with a standard deviation of 2.5 minutes. Workers have recently complained that the machinery used in the task is wearing out and slowing

  71. Math

    it takes 8 men 11h40min to complete a task. If 2 out of 8 men leave after working for 1 hour, how long will it take for the remaining 6 men to complete the tast at the same rate?

  72. Algebra

    One person can complete a task in 3 minutes. A second person can complete the same task in 5 minutes. How long will it take to complete the task of the two people work together?

  73. social studies

    The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished:

  74. history

    The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished

  75. English

    I can re-word these two separate things. I found them on the internet but need to change the words. Any help would greatly be appreciated. "I believe that I deserve this scholarship because I put so much effort into every task that I am given. I give only

  76. Statistics

    An experiment was designed to test a hypothesis that stated that high-drive subjects would be able to learn a simple task much more quickly than would low-drive subjects. The hypothesis further state that on a difficult task the opposite would be found –

  77. Algebra 1 A

    I need some help with my Algebra project. I already finished task on but I'm unsure of how to solve my inequality. Please help. Task 1 Summary: You are going to decide on a summer business to start. Figure out what you will do, how much it will cost you,

  78. Physics

    i have the answers to these i just need explanations; steps on how to do them 1. Heather and Mathew walk with an average velocity of 0.98 m/s eastward. If it takes them 34 min to walk to the store, what is their displacement? 2.If Joe rides his bicycle in

  79. pe

    "Being an athlete takes more brains than brawn. It takes time and effort. It takes endurance and commitment. It takes an athlete who can stay in the air for 2.5 seconds while shooting a goal; an athlete who knows which laws of physics keep him there."

  80. Physics

    "Being an athlete takes more brains than brawn. It takes time and effort. It takes endurance and commitment. It takes an athlete who can stay in the air for 2.5 seconds while shooting a goal; an athlete who knows which laws of physics keep him there."

  81. Math

    Group member - Time take Juan. 32.35 Ricardo. 21.78 Lucas. 23.18 Calculate u sing the work model. Using the individual times for your three team members, write an equation to model the work done, and solve that equation for the estimated time that it takes

  82. algebra

    it takes an HP laserjet 1300 printer 10 minute longer to complete a 600 page print job by itself than it takes an HP laserjet 2420 to complete the same job itself. Together the two printers can complete the job in 12 min. How long does it takes for each

  83. Algebra 1

    If Jeremiah takes 1/8 of the birthday cake, and Chabreal takes 16%, who takes more? Show you're work and conversions. -Algebra 1.

  84. General(dont know actual subject)

    My project is research based... I chose plastic surgery.... Question is: why have you chosen this task? ( in the box below write a paragraph explaining why you have selected your particualar task idea.) I really cant think of why i chose plastic surgery

  85. Math

    The time it takes Javier to go to school and his walking rate are inversely proportional. If it takes him 12 mins walking at 3 mph how long does it take if he walks at 4 mph?

  86. Algebra 1

    If Sandra takes 3/14 of the candy, and Elise takes 0.3, whos takes more? Show you're work and conversions.

  87. Science

    [I choose b.] Why are there so many species still unknown to modern science? a.many of these species are found in remote environments. b.smaller species receive less attention than large organisms. c.Cataloging these species is a huge task d.all the above

  88. pre calculus

    Candy and Tim share a paper route. It takes Candy 70 min to deliver all the papers, and it takes Tim 80 min. How long does it take the two when they work together?

  89. mathematics

    A team of workers took 167.3 hours to complete a task. A smaller team of workers will complete the same task, but it will take them 1.25 times as long as it took the first team. Based on this information, which statement is true?

  90. math

    I know this is not on anyone else because it's my fault but, i need help writing 2 paragraphs. Task 3 Greece is currently experiencing a financial crisis. a. Research the financial crisis in Greece and summarize it in one-two paragraphs. It's currently

  91. Physics

    Basically... distance is 4 km Takes 4 min to go down river Takes 6 min to come up How fast is the river?

  92. Math

    Having trouble knowing where to start with this one: A maker of tools claims the average amount of time it takes to assemble a table saw is 50 mins with a standard deviation of 40 mins. What is the probability that the sample mean will be less than 44 mins

  93. English

    Could you please help me express sentence 1. We have to consider the fact that groups of 10 students will be working on biodiversity in each school of the three schools separately and at the end they will compare their results. 1) Task organization and

  94. computer

    construct function prototypes for descriptions given below: 1) Rarb() takes no arguments and has no return value. 2) Mains() takes a float argument and returns an int. 3) San() takes two double arguments and returns a double. 4) Sum() takes an int array

  95. Algebra

    Tom and Jerry are working together to weed the garden. Working together it takes them 2 hours and 24 minutes. If it takes Tom two hours longer to finish the job alone than it takes Jerry to finish the job alone, how long would it take each of them to weed

  96. Math

    In preparation for a party, Heather fills a jar with gumdrops. Before the party begins, Erik sees the gum drop jar, he (hoping that no one will realize) takes one-third of the drops. Soon after sonia takes takes one-third of the gumdrops(she too, hopes

  97. English

    1. He picked up the stone. 2. He took up the stone. (Are both the same?) 3. Volunteer work takes up a lot of time. (What is the meaning of 'takes up'? What other words can we use instead of 'takes up'?

  98. Science

    A negatively charged metal ball of negligible mass is separated from a negatively charged rectangular block (assume the charge cannot escape) by an initial linear distance ‘d’. On the other side, the metal ball sits at the start of a semicircular loop

  99. Math Help

    It takes Andy and Ben the same amount of time to eat 1 large piece of chocolate. It takes Charlotte 3 more mins than Andy and Ben to eat the same piece of chocolate. One day, Andy, Charlotte and Ben share 2 pieces of chocolate among them. It takes them 5

  100. Math

    It takes Andy and Ben the same amount of time to eat 1 large piece of chocolate. It takes Charlotte 3 more mins than Andy and Ben to eat the same piece of chocolate. One day, Andy, Charlotte and Ben share 2 pieces of chocolate among them. It takes them 5

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