Questions Asked on
August 8, 2009

  1. Physics

    A race car moves such that its position fits the relationship x = (5.0 m/s)t + (0.75 m/s3)t3 where x is measured in meters and t in seconds. (a) Plot a graph of the car s position versus time. (b) Determine the instantaneous velocity of the car at t = 4.0

    asked by annemarie
  2. physics

    A race car moves such that its position fits the relationship x = (5.0 m/s)t + (0.75 m/s3)t3 where x is measured in meters and t in seconds. (a) Plot a graph of the car s position versus time. (b) Determine the instantaneous velocity of the car at t = 4.0

    asked by annemarie
  3. MATH Prob.

    a bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. what is the probability that both chips are red??

    asked by Twg
  4. Alegebra

    A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and a standard deviation of 50 seconds.

    asked by Samantha
  5. Ap world

    What were the scientific and technological contributions of China, India, and the Mediterranean? (during 8000 BCE- 600 CE)

    asked by Vero
  6. Elementary Math

    The temperature of a cup of coffee is a discrete or continuous random variable? Am I correct " Discrete"

    asked by J.J.
  7. Introduction to Finance: Harvesting the Money Tree

    7) The problem in stretching out the maturity of marketable securities is that A. long-term rates higher than short-term rates. B. interest rates are generally lower. C. you are legally locked in until the maturity date. D. there is greater possibility of

    asked by scooby9132002
  8. AP Economics

    Identify the trade-offs and opportunity cost of a decision using a decision-making grid. what is a decision making grid???? please can someone help me????

    asked by Ami
  9. Algebra Word Problem Help

    A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x

    asked by Katrina
  10. MATH Prob.

    You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that both cards are black.

    asked by Twg
  11. elmentary math for educators

    Suppose B is proper subset of C. If n(c)=8, what is the maximum number of elements n B? What is the least possible number of elements B?

    asked by sabrina
  12. math word problem

    Case Eastern Junior College awarded 26 varsity letters in crew, 15 in swimming, and 16 in scoccer. If awards went to 46 students and only 2 lettered in all sports, how many students lettered in two of the three sports?

    asked by Martin
  13. MATH Prob.

    A box contains 13 white cards numbered 1 through13. List the sample space of the event choosing one card with a number greater than 6.

    asked by Twg
  14. math

    Heidi has a brown pair and a gray pair of slacks; a brown blouse, a yellow blouse, and a white blouse: and a blue sweater and a white sweater. How many different outfits does she have if each outfitshe wears consists of slack, a bluse, and a sweater?

    asked by pAULA
  15. MATH Prob.

    A 6-sided die is rolled. The sides contain the numbers 1,2,3,4,5,6. List the sample space of rolling one die.

    asked by Twg
  16. Chemistry question!

    Please help! What do both an atom and an ion of the isotope of sodium, Na, contain? a) 11 electrons b) 12 neutrons c) 23 protons d) 23 neutrons I really don't get the question. Ok, firstly, choice c and d are out, because it is the RMM of Na that is 23,

    asked by Riel
  17. Math

    Did I answer this correctly? Consider the experiment of rolling a single die. Find the probability of the event described. What is the probability of rolling an odd number? 1/2 is my answer. Thanks.

    asked by B.B.
  18. MATH Prob.

    if a bag contains 8 red marbles, 6 blue marbles and 9 green marbles, what is the probability of choosing a blue marble??

    asked by Twg
  19. business statistics

    what null and alternative hypotheses would be appropriate for the one-way ANOVA to examine the data? Given the following data, what conclusion would be reached at the 0.05 level of significance? From the F distribution tables, what is the approximate

    asked by Jenny
  20. physics (electricity)

    note: E is for exponetial two large horizontal, parallel metal plates are 2.5cm apart in air and the upper is maintained at a positive potential relative to the lower so that the field strenght between them is 2.1x10E3vmE-1 the potential difference between

    asked by matrix school 2
  21. acc math 2 high school

    I need help finding constraints to put this on the graph. the objective function is c=16x+25y. Problem: Your club plans to raisse money by selling two sizes of fruit baskets. The plan is to buy small baskets for $10 and sell them for $16, and to buy large

    asked by preston jones
  22. geography check

    which of the following best describe the earths inner core? A) liquid and extremly hot B)solid and cool C)liquid and cool D)solid and extremly hot (i choose c.)

    asked by henry
  23. geography check

    the atmosphere:A)creayes tides b)has no effect on heat gain or loss c)allows heat to escape quickly D)keeps heat from escaping too quickly into space. i choose b

    asked by henry
  24. Geometry

    I'm really stuck with this question can someone please help me. A bus is scheduled to stop at a certain bus stop every 45 minutes. At the end of the day, buses still stop after every 45 minutes, but because delays often occur earlier in the day, the bus is

    asked by Christina
  25. college algebra

    I am dealing with Interest Compounded Continuosly. I am looking for the balance after 10 years. The book shows that P(10) = 2oooe^0.08(10) = 2000e^0.8 = $4451.08 My questions is how do you calculate 2000e^o.8 and end up with 4451.08?

    asked by Sydney
  26. Ethics

    Select any of the subordinate groups from Ch. 1 of the text, provided below. Because the chapter does not list all subordinate groups, you may select any other group that has a documented history in the United States. Subordinate Groups: Native Americans,

    asked by Jsh
  27. history

    Describe the connection between student unrest and the Vietnam War, noting how each affected the other. o Explain the political and social outcomes of the end of the Vietnam War. any websites to look at?

    asked by scooby91320002
  28. math

    The body mass index, I, can be used to determine an individual risk for heart disease. An index less than 25 indicates a low risk. The body massis given by the formula, or model, I=700 W W=weight H=hight in inches H2 Jerome is 69 inches tall. What weight

    asked by bere
  29. Elementary Math for Educator

    Suppose C is a subset of D and D is a Subset of C. If n(c)=5,find n(D) what other relationship exists between C and D

    asked by Sabrina
  30. MATH Prob.

    If you select a card from an ordinary deck of 52 playing cards, what is the probability that a diamond is drawn and that a BLACK 10 or a BLACK 7 is drawn??

    asked by Twg
  31. math

    what is the z-score for the given raw score, mean and standard deviation, assume a normal probability dist. raw score=66,u=60, and 0=6 u and o are those wierd symbols is the answer 1, 10, 6, or 66

    asked by Diana
  32. MATH Prob.

    Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.

    asked by Twg
  33. Math

    How do find the inverse function for this problem: f(x) = -(x+3)^2, x is greater or less than 3 I know the first thing you do is switch the variables, so it looks like this: x = -(y+3)^2 Then expand: x = -y^2-6y-9 And solve for y: x + 9 = -y^2-6y I get a

    asked by Monique
  34. psycholgy

    Prepare a 1,050 to 1,400-word paper in which you reflect on a challenging experience that you have encountered in either a professional or personal environment that involved significant “thinking through” or reasoning. Be sure to address the following

    asked by karl
  35. check geo.

    a low latitiude area of very little wind is known as A)leeward b)weather c)permafrost d)dolddrums my ans is d. places located in high latitiudes have )a mix of extremly hot and extremly cold weather b)a very warm climate my ans is b.

    asked by henry
  36. Accounting Concepts

    To close the accounting cycle for Joe Smith's business, complete the following: Journalize and post the adjusting entries for Joe's business. Make the following adjusting entries: (Note: you may need to create additional ledger accounts) Adjustment for

    asked by Brenda
  37. check geo

    places located in high latitudes have: a)the coldest climates on earth B)the same weather as places in other latitiudes. i choose a. places the atmosphere: A)create tides B)has no effect on heat gain or loss C)allows heat to escape quickly in order to cool

    asked by henry
  38. Accounting

    (Question) June 1 2008---Received a $6000, 1-year, 8%, note from Sue Forest as full payment on her account. (Ans)Merchandise Inventory---$6,480 Accounts Payable------$6,480 Is this correct? To get the amount $6,480->I have done: 6000*.08 = 480 6000+480 =

    asked by Thara
  39. Engineering

    Based on the force vector that is hown, I have to determine the x and y vector components. |\ fy=?| \ f= 200 lb | \ |___\ fx=? How do I do this with only one side given and the given 90 degree angle

    asked by Victor
  40. art

    Create a table with the following column headings: Manager, Teammates, Travel Agent. „h Add the following row headings to the table: Purpose, Audience, Tone, Content. „h Use the table to enter the appropriate purpose, audience, tone, and content for

    asked by Anonymous
  41. Accounting (Journal Entries)

    (Question) June 1 2008---Received a $6000, 1-year, 8%, note from Sue Forest as full payment on her account. (Ans)Merchandise Inventory---$6,480 Accounts Payable------$6,480 Is this correct? To get the amount $6,480->I have done: 6000*.08 = 480 6000+480 =

    asked by Thara
  42. college

    Suppose you are playing a word game with seven distinct letters. How many seven letter words can there be? Hint:Think about scrabble. It is ok it the word is gibberish in this case

    asked by Ralph
  43. latin

    Short form of the question: is "reductio ad miseratum" correct Latin? But if you're interested, here's the whole story: "Reductio ad absurdum" is a logical argument where you use the premise to deduce an absurd conclusion-- since the conclusion is so

    asked by James
  44. ecology

    in what biomes can black, gray, and albino squirrels be found

    asked by Anonymous
  45. accounting

    Rigsby Company purchased many small tools during 2010 at a total cost of $9,500. Some tools were expected to last for a few weeks, some for several months, and slme for several years. Rigsby income for 2010 will be about $5.2 million. How should Rigsby

    asked by Ashanti
  46. Math (repost)

    How do find the inverse function for this problem: f(x) = -(x+3)^2, x is greater than or equal to 3 I know the first thing you do is switch the variables, so it looks like this: x = -(y+3)^2 Then expand: x = -y^2-6y-9 And solve for y: x + 9 = -y^2-6y I get

    asked by Monique
  47. check geo.

    what are ice ages? A)periods of time glaciers receded to cover only the poles. B)eras during which earths orbit kept the planet far from the sun. C)periods of time when glaciers covered much of the earth. D)times when human and animal life thrived in high

    asked by henry
  48. word problem elementary reposed

    A ski resort offers a weekend ski package for $80 per person or $6000 for a group of 80 people. Which would be the less expensive option for a group of 80?

    asked by Heather
  49. biology

    What is the outer edge of a cheek cell called? please urgent homework due tommorow

    asked by Joseph
  50. Algebra Help

    Express in terms of sums and differences of logarithms: log_a x^3 y^2 z

    asked by Rachale
  51. medical terminiology

    Devise memory aids for any five terms relating to the musculoskeletal system.

    asked by Brenda
  52. english

    what were the causes for mahatma gandhi revolution? i need at least four causes and four effects of it..

    asked by bindiya farswani
  53. MATH Prob.

    how many three letter symbols can be formed from the letters A,C,K,L, & M without repetition? so far I have 12

    asked by Twg
  54. MATH Prob.

    if you have two fair dice that are rolled, what is the probability of a sum 6 given that the roll is a 'double'?

    asked by Twg
  55. MATH Prob.

    Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second card is a face card,if the first card was a queen?

    asked by Twg
  56. business statistics

    A researcher has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times, in minutes, are listed in the following table,Using the 0.025 level of

    asked by Jenny
  57. Math

    How can the excel tool sheet data consolidation apply to someone personal life? How can it be used.

    asked by Bryan
  58. math

    Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element. Your Solution Hints œ I

    asked by Jacob
  59. psychology

    reflect on a challenging experience that you have encountered in either a professional or personal environment that involved significant “thinking through” or reasoning.

    asked by karl
  60. Algebra

    (x)/(x^2-4) State the y-intercept. Would the y-intercept be (0,0)? or just 0? State the vertical asymptote(s). Would the vertical asymptotes be x = -2, x = 2 State the horizontal asymptote. Would that be 0 as well?

    asked by Alyssa
  61. english

    need help on how to write a toast about determination.

    asked by tegan
  62. check geo.

    what are ice ages? A)periods of time glaciers receded to cover only the poles. B)eras during which earths orbit kept the planet far from the sun. C)periods of time when glaciers covered much of the earth. D)times when human and animal life thrived in high

    asked by henry
  63. English

    What is an example of a quote in The Catcher in the Rye by J.D. Salinger that shows what the tone of the novel is?

    asked by Sara
  64. Environmental Science

    2 pages Details: Your comments to the editor of your favorite magazine intrigued her enough to call you and request that you write an editorial, for which, you note with a little surprise, you will be well-paid. She provides you with two topics which she

    asked by BLP
  65. math problem

    In a television game show, there are five questions to answer. Each questin is worth twie as much as the previous question. If the last question was worth $64000, what was the first question worth?

    asked by marcus
  66. word problem

    Heidi has a brown pair and a gray pair of slacks; a brown blouse, a yellow blouse, and a white blouse; and a blue sweater and a white sweater. How many different outfits does she have if each outfit she wears consists of slacks, a blouse, and a sweater?

    asked by Paula
  67. math

    Use the definition of less than to express the followings. 2

    asked by kendra
  68. Class 11th Physics

    My question is that, I read about Instantaneous Speed "Instantaneous speed of an object at an instant of time (t) is defined as the 'limit of the average speed as the time interval delta(t) at the given instant of time becomes infinitesimally small.'" What

    asked by Akashdeep
  69. Algebra

    What is the numerical value of the equations below? Thank you! 24*e^(0.06*384)

    asked by Angie
  70. Introduction to Juvenile Justice

    I am having a hard time finding descriptions for federal, state, or local programs in social structure theory, social process theory and social conflict theory.

    asked by Shan
  71. social studies

    My child is having problem memorizing the dates related to the battles and establishments of kingdoms.so was browsing to find methods to help him improve his memory,came across a site funnelbrain which provides a collaborative platform to study using flash

    asked by lisa
  72. Biology

    Can some body help me to explain how DNA is formed?

    asked by Richard