1. Physics

    A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An inextensible string of negligible mass is wrapped around the pulley and attached on one end to block 1 that hangs over the edge of
  2. Social Studies

    Which of the following describes the Gilded Age? Choose all that apply A a period of great prosperity for all Americans B a time of great social change and industrialization in America****** C a period of great prosperity for some Americans******** D a
  3. Research Practicum

    I'm conducting a research project on "to what extent are college students addicted to text-based college communication?" this is my survey I created. Is this a good survey? and how do I evaluate my responses from, let's say, 50 surveys to table data to
  4. government

    the california state constitution can be amended if a. a majority of state senators passes the amendment b. the california supreme court orders an amendment c. two-thirds of both houses of the legislature approve the amendment, and a majority of california
  5. algebra

    Please Help Me Check My Work :) 1) Find the 5th term of - f(n)= 3(n-3) My answer- -279 2) Find the third term if the first term is 4 - f(n)= 2f(n-1)+2 My answer- 16 3) Find the third term using the explicit rule - f(n) 4-n/n+3 My answer- 1/6 4) Recursive
  6. pre calc

    Formulate but do not solve the problem. Kelly Fisher invested a total of $20,000 in two municipal bonds that have yields of 8% and 9% interest per year, respectively. If the interest Kelly receives from the bonds in a year is $1680, how much did she invest
  7. Math - Venn Diagrams

    How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer
  8. Physics

    Suppose you wish to visit a star which is 450 light years away, and that you want your 21000 kg rocket to move so fast that you only age 20 years during the round trip. a. How fast must the rocket travel relative to the Earth? Give your answer as the
  9. Need some ideas.... for a Pre-K class

    I am teaching a Pre-K class this summer and the theme for the next two weeks is Community History. What could I all my pre-k class to do that connects to this theme? I thought of helping them to construct houses or certain buildings using boxes and also
  10. Physics

    Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is 8.60 m long. The first moves past her in 1.75 s and the second in 1.17 s. Find the constant acceleration of the train. I know how
  11. Physics HELP PLEASE!

    A kickoff sends a football with an initial velocity of 25 m/s at an angle of 50 degrees above the horizontal. a) find the x and y components of the velocity b) find the time the ball is in the air c) find the horizontal distance the ball travels before
  12. Calculus

    Using the equation x(t)= t^3 - 12t + 1, find the displacement during the first 3 seconds. And then find the velocity during the first 3 seconds. See, I know how to find velocity, but there's a question after that that says to find velocity when t=3...so
  13. calculus

    Help! I have a test tommorow! I don't understand (b), (c), (e), and (g). The answers are listed following the each question. Here's a discription of the graph: There is a graph of a function f consists of a semi circle (-3 to 1 faced downward on the
  14. probability

    1. The time it takes a student to cycle to school is normally distributed with a mean of 15 minutes and a variance of 2. The student has to be at school at 8.00a.m. At what time should the student leave her house so that she will be late only 4% of the
  15. Sign Language

    Which of the following would be considered a late deadened individual? a person born hearing who became Deaf as a teenager*** a person born Hearing who becomes Deaf at age 1 a person born Deaf who learns sign language later in life a person born deaf who
  16. Spanish-Please check

    When I say four thousand houses in Spanish, is it gender dependent like cuatra mil ollas or do I simply say cuatro mil ollas. I know the numbers from 200-900 are gender dependent but I'm not sure when you get to the four in front of thousand
  17. History

    How did spices impact exploration efforts during the Age of Discovery the papacy ordered exploration efforts and crusades against eastern European nations that condoned cooking with Muslim spices asian sices are believed to cure ailments caused by the
  18. Math

    1. What is the range of the ages shown in the stem-and-leaf plot? 3|0,2 4|1,4,4,5 5|3,5,8,9 6|2,2,2,5,6,8 7|5,5,6 A. 4 B. 6--- My answer C. 34 D. 46 What is the median of the ages shown in the stem-and-leaf plot? 58 58.5 59---- my answer 59.5 What is the
  19. English

    Please check my answers! Thanks :) 1. In Yeats’s poem “The Second Coming,” the falcon and the falconer are images that most likely represent *something out of control and unnatural. the beauty and abundance of nature. a sad, uncomfortable image of
  20. arithmetic

    ami is 8 years older than her sisiter,ceanne. in four years ami will be twice as old as ceanne. what is the sum of their ages now?
  21. Physics

    I don't know where to start with this one. "Find the work done accelerating a 2 kg box from 2m/s to 3 m/s." Can't find acceleration because I don't know time. In fact, I don't see how any of the kinematic equations can help me out to find either distance
  22. physics

    When the three blocks in the figure are released from rest, they accelerate with a magnitude of 0.900 m/s2. Block 1 has mass M, block 2 has 2M, and block 3 has 2M. What is the coefficient of kinetic friction between block 2 and the table?
  23. Physics

    the coefficient of friction between block A and the horizontal surface is 0.43. What must be the weight of the hanging block B if this block is to descend at constant speed once it has been set into motion? Mass of block A is 5.0 kg
  24. MATH

    When a draftsman draws three lines that are to intersect at one​ point, the lines may not intersect as intended and subsequently will form an error triangle. If this error triangle is long and​ thin, one estimate for the location of the desired
  25. Bus

    I am trying to find useful informations on "whether its a good idea to open a Pizza Hut business in Winnipeg?" Can you help me find websites. I really need it for my case study where i have to research and write 2 page, but i cant seem to find any suitable
  26. Algebra

    Which job would be better? One that has a salary where the mean and median are close OR one where the salary of the mean and median have huge gap (like mean 36,000 and median 20,000)
  27. English

    American Life, stereotypes? Just like television, commercial, etc. When we are watching TV, it gives us a "snapshot" of American life. If you look at the commercials alone, what would this tell you about how we live? I ask you to pretend that you are from
  28. statistics

    for a particular sample of 77 scores on a psychology exam, the following results were obtained: first quartile=44, third quartile= 71, standard deviation=6, range=45, mean=64,median=57, mode=32, midrange=60 a)according to chevyshev's theorem how many
  29. Earth, Space and Science

    8. A geologist is studying a section of sedimentary rock layers that have been newly exposed by a landslide. Based on what principle, the geologist would assume that the layers increased in age as they looked at them from top to bottom. A. unitarianism B.
  30. Math

    A dog kennel owner needs to build a dog run (rectangular area) adjacent to a kennel cage (so that it is in the shape of a rectangle, but only three sides need to be built- one long side is already there). The short side walls of the run are to be cinder
  31. American National Government

    Could someone please help me with this? I need to summarize a news or journal article that discusses the Freedom of Religion and The Establishment Clause. This article must have been published within the last 10 years. I looked for an article but I can not
  32. Physics Classical Mechanics

    A pulley of mass mp , radius R , and moment of inertia about its center of mass Ic , is attached to the edge of a table. An inextensible string of negligible mass is wrapped around the pulley and attached on one end to block 1 that hangs over the edge of
  33. college geology help please

    I was the same person from yesterday. I need help on a question. I don't type very good so I have one of my host family do it for me. so please help us. Suppose you have a sample of clamshell at a Paleoindian site and you measure the 14C activity of a
  34. maths - geometry

    In a space with an orthonormal coordinate system consider the plane; &: 4x-3y=12 (a)(i)Find the coordinates of the points of intersection of the plane & with the coordinates axes (=axes intersections???) (ii)Find the parametric equations for the line of
  35. Math

    Part C Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given math homework since she last surveyed them. By how much does the mean of Kelly’s second data set change in comparison with the mean of the data set in
  36. math, algebra

    Two expressions for calculating the drug dose for young children are: (2t^3 + t^2 -t)a / 48t^2 -24t and (3t^2 -2t)a / 3t^2 + 34t - 24 where t is the age of the child in years and a is the adult dose. If the adult dose for a pain killing drug is 250mg, then
  37. Ms. Sue please

    Ms. Sue I had asked this of you already and you said a histogram would be best but I get confused on this and when I enter it into excel it comes out wrong. The data we have is for age 1-14 death rate per 1000 is 4.6, 15-24 rate is 6.2, 25-44 rate is 16.6,
  38. math

    Ke is twice as old as Amy. Seven years ago, the sum of their ages was 31. How old is each person this year
  39. math

    Ke is twice as old as Amy. Seven years ago, the sum of their ages was 31. How old is each person this year.
  40. English

    Could you check the following sentences, please? I replaced "summarize" with "describe" in sentence 1. 1) Briefly describe the relationship between man and nature in the Romantic Age. 2) Up to the late eighteenth century the Church had been in charge of
  41. help scott biostats

    The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5
  42. help scott biostatis

    The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5
  43. english

    in the chapter of the story of keesh what was method of those pepole to coun t age of there children?
  44. Social Studies

    How did Asian societies influence trade and exploration during the Age of Discovery?
  45. american history

    who resigned in november 1861 due to age and physical infirmities?
  46. Global history

    Identify one way in which animals affected the way people lived in the Stone Age.
  47. 10th grade

    What were the complications of decrees in the Ottoman Empire during the Age of Nation States?
  48. World history

    Why was the Han period considered a Golden Age of Chinese civilization
  49. Biology

    Why is there a variation in systolic and diastolic pressure among members in different age groups and different genders?
  50. Math

    Would a scatter plot relating to the number of sweaters you own and your age have a positive or negative
  51. english

    My mother told me, I should establish credit at a young age. Is there a adjective in this sentence?
  52. English

    I need a synonym for "briefly outline" the relationship between man and nature in the Romantic Age. Thank you very much.
  53. physics

    How might you determine the age of a star from an Earth-based telescope? What measurements might you make?
  54. Geography

    What was the importance of Marco Polo's travels to the whole of the age of Exploration? Would like to know different levels of things he did
  55. health

    More that the appropriate weight for gender, height, age, body frame and growth pattern
  56. health

    Less than the appropriate weight for gender, height, age, body frame and growth pattern
  57. WORLD HISTORYY

    What did Ben Jonson mean when he wrote, "He [Shakespeare] was not of an age, but for all time"? Explain
  58. Focus on the Child, Part 1

    At what age is the number of synapses in the brain the greatest? A. 21 B. 3 C. 2 D. 15 my answer is b.
  59. physics

    Which of :acceleration,age,speed,temperature,and velocity are vector quantities? Are any of them scalars?
  60. physics

    How might you determine the age of a star from an Earth-based telescope? What measurements might you make?
  61. 4th grade science

    What parts of the world were covered with glaciers during the Ice Age?
  62. social studies

    What was the Stone age goverment? there was just a chief who ran everything, so monarchy, i suppose
  63. hum

    I have to do a powerpoint presentation on teaching a younger person age 9 to 14 about Judaism . please help, need some info.
  64. history

    Prior to the "democratizing" of politics during the age of Jackson, presidential candidates were usually chosen by a
  65. algebra

    a survey of 2,000 people was given to find their mode of transportation to work each day. the pie chart gives the results of people surveyed Bike 3.8% taxi 9.8% walk 3.4% bus 14.6% drive 68.4% how many traveled by bike to work?
  66. math

    Whats the difference between an arc [of a circle]'s length and measure? And how do you find each of them? The "measure" of an arc is the angle that it subtends from the center of the circle. Call that angle A. The length of the arc is 2 pi R * [A/(2 pi)] =
  67. Math

    Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local
  68. Math

    Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local
  69. Math

    How many two block towers can you make from: 1 black block,1 red block, and 1 blue block? Please explain.
  70. math

    U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U. a) Find n(A U B) b) Find n(A intersect B) c) Find n(A U B' ) d Find n(B intersect
  71. math

    U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U. a) Find n(A U B) b) Find n(A intersect B) c) Find n(A U B' ) d Find n(B intersect
  72. math

    g(x)=(2x^3+x^2-18x-9)/(x^2+x-6) A. Find the vertical asymptotes. b. find any holes. c. find any oblique or horizontal asymptotes. d. find if the graph crosses the oblique or horizontal asymptote.
  73. Trig

    Last question! Just seeing why I’m getting these wrong In a right triangle with a leg of 4 and a hypotenuse of 8, find the measure of all angles. Correct answer: 30deg, 60deg, 90deg How?
  74. Geo

    A 30ffoot tree cast a12 foot shadow find the measure of the angle of elevation of the sun to the nearest degree.
  75. geometry

    Find the measure of the vertex angle of an isosceles triangle if either of the exterior angles formed by extending the base measures of 112
  76. Math

    A storage box measure 24in by 12in by 3in. Find its volume to the nearest cubic meter (1in =2.54cm)
  77. calc

    Consider the function below. (Round the answers to two decimal places. f(x) = 2x tan(x) -p/2 < x < p/2 (a) Find the interval where the function is increasing. Find the interval where the function is decreasing. (b) Find the local minimum value. (c)
  78. US HISTORY

    1) How were William Lloyd and the Rev. Elijah Lovejoy alike? A) Both Lived in Boston and were Underground Railroad conductors. B) Both printed newspapers with antislavery messages to the North.*** C) Both used their houses as Underground Railroad stations
  79. Albebra

    Find the vertex of the function y = –x2 + 2x + 8. It is where the derivative -2x + 2 = 0. Since you probably haven't learned about derivatives, do it this way: Rewrite is as -x^2 +2x +8 = -(x-1)^2 + 7 Now look at the form of the formula on the right. It
  80. math

    Please help iv been stuck on these for two days! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n-4;696 ** D) 6n-4;596 2. Write a rule for the
  81. Reading

    Ernest Hemingway's first job was as a newspaper writer in Kansas, at the age of 17. He wrote about everything that happened at the local police station, the train station, and the hospital. Hemingway worked for the newspaper for six months. The Red Cross
  82. physics

    a rifle bullet of mass 8.0g strikes and embeds itself in a block of mass 0.992kg that rests on a frictionless horizontal surface and is attached to a coil spring. the impact compresses the spring 15.0cm. calibration of the spring shows that a force of
  83. Physics

    The internal resistance of a dry cell increases gradually with age, even though the cell is not used. The emf, however, remains fairly constant at 1.5 V. Dry cells must be tested for age at the time of purchase by connecting an ammeter directly across the
  84. college Geol 101

    Suppose you have a sample of clamshell at a Paleoindian site and you measure the 14C activity of a 100-gram sample of carbon as 320 disintegrations per minute (or 3.2 disintegrations per gram of carbon per minute). a.What was the activity (in
  85. Math

    The equation 2x^2+2y^2+x+4y+2c=0 represents a circle.(let's name it S1) 1)Find the values of a,b and and show that c<(17/16) 2)For positive integers of c,if the above circle is divided into two by, (x+p)^2=p^2 circle,find the value of the constant p.
  86. Physics

    Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0. Dog exerts a force of 256 and dog exerts a force of 344 . A) Find the magnitude of the resultant force. B) Find the angle the resultant force makes with dog 's
  87. Physics

    A block oscillates on a spring and passes its equilibrium position with a speed of .157m/s. It's kinetic energy is zero when the block is at the distance of .1m from equilibrium. Assume no friction between the block and the table. Force is 8.67N. Also mass
  88. math

    Could you please give me an example of gathering a set of data and choosing a small sample, between 10 and 20 pieces of data, and a simple value to measure, such as the ages of visitors in a park?
  89. Physiology

    Please check answers, and correct if it is wrong! 1) How many bones are there in the adult spinal column? 26 bones 2) How many bones are there in the thoracic section?12 3) At what age are the curves fully developed?10 1) What rib/s are attached to the
  90. physics oscillator energy

    a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed. a) calculate the maximum elastic potential energy of
  91. Child Development

    Prepare a Microsoft® PowerPoint® presentation, flow chart, or other visual aid to provide an overview of the normal developmental expectations for each of the five developmental stages. The content of your presentation should include a brief description
  92. calculus

    (A) Consider the wave equation with c=1, l=1, u(0,t)=0, and u(l,t)=0. The initial data are: f(x)=x(1-x)2, g(x)=sin2(pi x). Find the value of the solution at x=0, t=10, and at x=1/3, t=0. Find the value of the solution at x=1/2, t=2. (B) Suppose that l=2,
  93. science

    Please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where I can find
  94. History

    Hi, I have a project which requires us to "contrast the key traditional roles played by drums in English and Nishnabe cultures. Why might they have developed so differently" and I can't find any info. on the net. Does anyone know where I could find some? I
  95. math

    a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.
  96. Physics

    A 0.55 kg block slides across a tabletop with initial velocity of 3 m/s and it comes to rest in a distance of 0.53 m. Find the average friction force that retarded its motion.
  97. physics

    The displacement of a block attached to a horizontal spring is given by x=0.5sin(7.8t−1.06)m What is the earliest time (t>0) at which x=0.16m? Find the acceleration when x=0.44m helppppppp
  98. science

    if a block of mass 2kg slides on an inclined plane making an angle of 60° with the horizontal.Then find work done by force of gravity
  99. math

    a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.
  100. science VERY URGENT

    Once again please give me about 2 websites where i can find out interesting facts about Venus. 2 websites where i can find out if any robots or satellites landed on Venus.2 websites were I can find the average temperature of Venus. Lastly 2 websites where