Questions Asked on
July 4, 2011

  1. physics

    a woman walks 250 m in the direction 30 degree east of north,then 175 m directly east.A) using graphical methods,find her final displacement from the starting point.B) compare the magnitude of her displacement with the distance she walked.,

    asked by mark paul
  2. chemistry

    can O3, AsH3 and H2Se act as a lewis acid? please explain.

    asked by Bill
  3. Chemistry

    Two lists of nucleophiles: H2O CH3CH2OH H3CO- CH3COO- OH- OH- H2N- CH3CH2O- H3COH (CH3)3CO- The first part is to give the strongest nucleophile in group 1. I picked H2N-because its the strongest base. Part two asks for the BEST (doesn't say strongest)

    asked by Carole
  4. stats

    TABLE 1 The general manager of a chain of pharmaceutical stores reported the results of a regression analysis, designed to predict the annual sales for all the stores in the chain (Y) – measured in millions of dollars. One independent variable used to

    asked by Maggie
  5. Chem

    10 grams of sodium chloride is treated with excess silver nitrate AgNO3 + NaCl =AgCl +NaNO3.. HOW MUCH IS PERCIPITATED

    asked by Jessica
  6. Physics - Newton's first law

    A pair of fuzzy dice hang from the rear view mirror of a car. For each of the motions indicate which way the dice would move and why: a) constant velocity forward b) speeding up backward c) slowing down forward I understand that when the car's state of

    asked by Allison
  7. Physics

    three masses are suspended from a meter stick as shown. How much mass must be suspended on the right side for the system to be in equilibrium?

    asked by Faith
  8. Nutrition

    How many grams of nitrogen are contained in a 2,500 kcal diet that provides 15% of the energy as protein? What would be the approximate weight gain of a person who consumes an excess of 500 kcal daily for one month? Which of the following is an FDA

    asked by allison
  9. Math

    Let (3,-2) be a point on the terminal side of theta. Find cos theta, csc theta, tan theta?

    asked by Chander
  10. math

    a motorist goes 78km in 40minutes calculate it speed

    asked by Anonymous
  11. chemistry

    Glauber's salt undergoes a phase transition according to the following equation: Na2SO4*10H2O(s)--> Na2SO4*10H2O(l) ∆H = 74.4 kJ/mol Calculate the mass (g) of Glauber's salt (use the masses to two decimal places found in the front of your text) needed to

    asked by lynn
  12. Science

    Calculate the mass of O2 produced of 3.450g potassium chlorate is completely decolmposed by heating in the presence of a catalyst (Magnese dioxide).

    asked by Tamara
  13. phy

    Starting from rest, a car accelerates at 3.0 m/s^2 up a hill that is inclined 5.9 ^\circ above the horizontal. 1-How far horizontally has the car traveled in 14 s? 2-How far vertically has the car traveled in 14 s?

    asked by elin
  14. geometry

    In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

    asked by katie
  15. Grammar

    Question: When two words act as a single modifier, or adjective, for a noun, this is called a/an ________. a. compound modifier b. coordinating conjunction c. adverb modifier d. prepositional phrase ANSWER: a. compound modifier

    asked by Leslie-To:Writeacher
  16. physics

    An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.4 s. A passenger in the elevator is holding a 6.3 kg bundle at the end of a vertical chord. what is the tension in the chord as the elevator accelerates? The

    asked by alexa
  17. math

    A surveyor has a unit pace of 0.9 m/pace. (a) she counts 37 paces while walking From point C to point D. What is the distance between C to D? (b) how many paces should the same surveyor. count to lay out a line roughly 122m long?

    asked by sal
  18. Physics

    The engine is in the back of the train it is pushing. The passengers were in the car closest to the engine. There were five cars in total. The front car had one person in it. When he noticed a semi truck trailer sitting on the track he pulled the emergency

    asked by Dakota
  19. geometry

    In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c

    asked by katie
  20. Finance

    Security A has an expected return of 7%, a standard deviation of returns of 35%, a correlation coefficient with the market of -0.3, and a beta coefficient of -1.5. Security B has and expected return of 12%, a standard deviation of returns of 10%, a

    asked by Jamal
  21. macroeconomics

    which combinations of fiscal policy actions would most likely be offsetting? A) increase taxes and government spending B) decrease taxes and increase government spending C) increase taxes, but make no change in government spending D) decrease taxes, but

    asked by james
  22. biology

    In chickens, males have two Z sex chromosomes (ZZ) and females have one Z and one W sex chromosome (ZW). The mechanism for inheritance of the sex chromosomes is exactly the same as for X and Y sex chromosomes in other species. In chickens the character of

    asked by mj
  23. physics

    I have a question based off of the response to the question I posted below. A dragster and driver together have mass 918.8 kg. The dragster,starting from rest,attains a speed of 25.8 m/s in .53s . Find the average acceleration of the dragsters during this

    asked by alexa
  24. arithmetic

    If the numerically smaller root of x2+mx=2 is 3 more than the other one, find the value of m

    asked by vinay
  25. Accounting

    Your firm uses return on assets (ROA) to evaluate investment centers and is considering changing the valuation basis of assets from historical cost to current value. When the historical cost of the asset is updated, a price index is used to approximate

    asked by Jamal
  26. algebra 1

    I was given this interesting problem: The length of a rectangle is 6 feet longer than its width. The perimeter is less than 48 feet. Write a mathematical expression for the width of the rectangle. How do I go about doing this?

    asked by Elle
  27. chemistry

    If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?

    asked by lynn
  28. science

    the volume of nh3 at stp needed to pass into 30 ml of in h2so4 solution to bring down its strength to m/10

    asked by aditya
  29. science

    the volume of nh3 at stp needed to pass into 30 ml of 1N h2so4 solution to bring down its strength to m/10

    asked by aditya
  30. Algebra 2

    Determine whether the function is even, odd, or neither. f(x)=-4x²+5x Its odd right?

    asked by Reanna
  31. chemistry

    give the full, ionic and net equations for the reaction (if any) that occurs when aqueous soulutions of Na2CO3 and MgCl2 are mixed.

    asked by Kayla
  32. Accounting

    Panarude Airfreight is an international air freight hauler with more than 45 jet aircraft operating in the United States and the Pacific Rim. The firm is headquartered in Melbourne, Australia, and is organized into five geographic areas: Australia, Japan,

    asked by Jamal
  33. Accounting

    you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, $500,000 semiannual payments starting today, or you can take your winnings in a lump-sum payment now based on 7% annual interest rate. Determine the

    asked by Jessica
  34. American Gov

    What percentage of voters are young voters? 18-25 of age?

    asked by Jial
  35. economic

    suppose marijuana legalized in usa .what will happe to the quantity of marijuana (i.e purchased and sold )if the demand of marijuana rises by more then the supply of marijuana falls (hear Demand curve is shifting left)

    asked by tanvir
  36. Algebra 1

    So I have this problem: Dave can vote. (18 or over.) Dave is 5 years older than Jim. Jim is not old enough to vote. Write a mathematical inequality expressing Dave's age. (Hint: determine Dave's maximum and minimum age.) So I have his minimum age as 18 and

    asked by Veronica
  37. arithmetic

    What is the percentage change in the volume of a sphere if its radius increases by 20%?

    asked by vinay
  38. algebra 2

    a research station in antartica is at approximately 75 degreess latitude. how many miles is the station from the equator, given that the radius of the earth is approximately 4000 miles? round your answer to the nearest mile.

    asked by alicia
  39. Math

    Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before

    asked by Staffon
  40. English

    Hello again. Please help me with several more questions. 1)Is it possible to say "treaty about" or is it only "treaty on (nuclear disarmament)"? 2)Is the verb "proclaim" OK in the context "he proclaimed that children were starving in Zimbabwe"? 3)Does

    asked by Ilma
  41. Algebra II

    Determine whether the grapg of the given equation is symmetric with respect to the x-axis, y-axis, and/or the orgin. f(x)=3x²+1 x²+y²=81

    asked by N/A
  42. biology

    Which of these statements concerning the centromere is NOT true? a. it appears to join dupicated DNAs b. It anchors proteins to DNA. c. Its position along the chromosome varies d. It is visible as a constriction on the chromosome. e. IT is where sister

    asked by akim
  43. English

    Hello. I'm very grateful for all your help, and I need some more. 1)Is the article necessary in the following context: "(the)Libyan armed forces launched a military campaign against the rebels"? 2)Is it possible to say: "the situation has greatly /

    asked by Ilma
  44. English

    I urgently need to know your opinion on this: Complete the sentences with the missing phrases: 1) g..... u.... together. 2) b....... friends 3) ......... on the phone 4) h......... a party How would you complete the phrases? Where now? Where do

    asked by Henry2
  45. biology

    A poultry farmer hopes to profit from the current craze for keeping egg laying chickens as pets and wishes to increase his stock of interesting and unusual breeds. (a) The farmer crossed a pure-breeding white chicken with a pure-breeding black chicken and

    asked by mj
  46. Math

    Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $90, but only 25% of the rest. For what amount of medical bills will plan

    asked by Toni
  47. macroeconomics

    Generally speaking, the greater the amount of financial wealth people hold in the form of near-monies, the: A) greater is their willingness to spend out of their money incomes, B) less is their willingness to spend out of their money incomes, C) greater is

    asked by james
  48. arithmetic

    What is the sum to 15 terms of an arithmetic progression whose 8th term is 4?

    asked by vinay
  49. physics

    If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?

    asked by lynn
  50. English

    Could you please check these last few sentences, please? Thank you in advance 1) What did you like most among the various topics we dealt with during your school year? 2) Are you going to continue your study of English at university? 3) Are you going to

    asked by Henry2
  51. Geometry

    I having diffucltly with this triangle.This trangle angles are 3x,4x,x.You have to solve for x.I know you have to use the triangle sum therom.I got 7x=180.That would equal a decimal point which is not right.It has to be whole number.

    asked by Anonymous
  52. science

    what scientic evidence would you need to seettle the claim that famines are caused more by human than enviromental

    asked by sandy
  53. math

    Show that f(-x) = -f(x)

    asked by juan
  54. chemestry

    How many molecules of water are present in 3.45 mL of water at 4°C?

    asked by luis
  55. true

    -4.005 < -4.05

    asked by hi
  56. English

    Why is it wrong to say " a child of six years old" and is possible to say "a six-year-old child"? Example: My family consists of /is made up of/ is composed of two adults and two children, six years old and ten years old. But: .... of a six-year-old child

    asked by Henry2
  57. chemistry

    What will be the concentration % of 50ml ethyl alcohol and 150 ml water

    asked by Manan
  58. math

    how would i get the domain and range of f(x)= sq.root of 3-x-4? pls. explain.

    asked by geekgirl95
  59. business law

    Do you think that business law is necessary to promote trade & business in Bangladesh?write a short essay.

    asked by ithneen
  60. biology

    Growth factors a. are adhesion substances b. inhibit the cell cycle c. can cause neoplasms d. invite transcription of growth genes e. are nucleic acids is it b?

    asked by akim
  61. human service

    I need help on how to answer this question. I am not sure where to begin. Discuss the implications of your values for your work as a human service professional

    asked by patiance
  62. English

    Thank you for your hotel raccommandations! Do you think that "Holiday Inn" West Yellowstone is a good choice??

    asked by Henry2
  63. Algebra 2

    Simplify: 1/xy + 1/yz + 1/xz

    asked by Amanda
  64. health/help me please

    I am confused because it depend on the quantity and in my question they did not list it . It can be too the METHAMPHETAMINE as 1st offense please help me pick the write answer I read it more than one time

    asked by joy
  65. English

    Can you please check these statements, please? Thank you. 1) Britain was unprepared for the use of the terrible destructive modern artillery, machine guns and tanks, and the use of gas and shells durin the attacks. 2) Shell shock was the term used by

    asked by Henry2
  66. Algebra 2

    Solve: (x-3)^2= -4

    asked by Adam
  67. Math

    Let f(x) = x^4 + 2x^2 + 1 / x + 1 Find f(-x)and determine if f is even, odd, or neither.

    asked by MSM
  68. Algebra 2

    f(x)=(6x-6)/4 g(x)=1/x Find (f/g)(x) f(x)=6x-7 g(x)=8x-3 Find (f-g)(x) f(x)=2-4x g(x)=-6x+4 Find (f+g)(x)

    asked by Reanna
  69. World Lit

    what is the theme of the story: Confession by Jean- Jacques Rosseau

    asked by renee
  70. english

    I am really struggling to write and example of figurative language device, emphasis. How would I do this? I have one written for repetition, but I am not sure how to do emphasis.

    asked by lizzie
  71. Statistics

    For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size: 3

    asked by Christy
  72. Computer science

    What is the difference between c++ and c#.secondly if i'm to write a program on hello world with c#,i do i go about it?

    asked by Malosky
  73. Ethics

    I have to read the essay "Some Moral Minima" by Lenn Goodman. I have tried to read this a zillion times and I don't know if it's my ADD or what, but I cannot wrap my mind around this unless I sit and look up each word out of the dictionary. Can someone

    asked by Holly
  74. arithmetic

    How many 2-digit numbers, with tens digit less than units digit, have the sum of digits equal to 3 times the difference?

    asked by vinay
  75. English

    A friend of mine wrote these sentences as part of a test. She told me the correct phrases should be: glow up together have/host a party become/be friends send e-mails write letters go on a blind date talk on the phone Actually, I don't know the meaning of

    asked by Henry2
  76. health/check please

    The first offense for federal trafficking penalties that is not less than 10 years and not more than life applies to wich drugs: a) cocaine b) Heroin c)Methamphetamine d)LSD e)none of the above My answer is A

    asked by joy
  77. science

    the volume of nh3 at stp needed to pass into 30 ml of in h2so4 solution to bring down its strength to m/10

    asked by aditya
  78. English

    I forgot to add these sentences. Thank you very much. 1) The rise in population caused an increase in the demand for clothes. As more energy was needed to drive machinery, the steam engine (power?) was introduced (developed?). 2) The introduction of the

    asked by Henry2
  79. psy

    Explain the biological, emotional, cognitive, and behavioral components of postpartum depression

    asked by JT
  80. true or false

    Write a true sentence using either < or > -4.005 __ -4.05

    asked by hi

    For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The

    asked by Vanessa
  82. statistics

    What is the probability that, in a random sample of 100 drivers aged 16 to 18, 23% or more would be involved in accidents in a one year period?

    asked by Reuben
  83. chemistry

    can O3, AsH3 and H2Se act as a lewis acid? please explain.

    asked by Bill
  84. Algebra 2

    Factor x^3-5x^2-50x/x^4+10x^3

    asked by Amanda
  85. Media Influences on American Culture

    Take the role of Director of marketing for WhizBang Games as it evaluates various forms of Social media in helping to create a "buzz" around the latest game, Master Dynasty; a social game

    asked by carrie
  86. English

    I forgot to include the following sentences. Thank you. 1) Which authors, among the ones you studied this year, was born in Ireland? Can you make a distinction between the Wildean dandy and the bohemian? How does the Wildean dandy distinguish himself from

    asked by Henry2

    Question: After 5 p.m., the nurse will be unable to see her ( anymore, any more.) Answer: = anymore Why is this the answer? Thanks

    asked by Leslie-To:Writeacher
  88. Pre calculus

    f(x)={ x+5, if x>0 3, if x

    asked by HELP
  89. math

    what is the exact area of a circle with a diameter of 15 inches?

    asked by jenna
  90. Algebra 1

    I have a problem that says: Combine these two statements into a single mathematical statement: x>2 and x

    asked by Ashley
  91. Healthcare Administration

    Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5 percent.

    asked by Nancy
  92. arithmetic

    The number of non-negative solutions of the equation 12x+7y =35 is?

    asked by vinay
  93. science

    During a storm, the wind traveled 90 km/h. after 2 min, the wind become stronger and traveled at 130 km/h. assuming the rate of speed occurred at a constant rate, what was the acceleration of the wind in m/s(squared)???

    asked by brayn
  94. Algebra 2

    Simplify: (x^3-4x)(x^2-4x+4)^-1

    asked by Josh
  95. algebra

    what is the answer of the sum of a and b's age is 32; b and c's is 39; a and c's is 62. how old is c?

    asked by teresa
  96. Algebra 2

    How do I factor 4x+12??

    asked by Adam
  97. Algebra II

    f(x)= 1/(x+2) i have to graph this, can some one please help me!

    asked by HELP
  98. Math

    solve 2x^2= 3x+6

    asked by Richie
  99. math

    what is the greatest comnmon factor of 75 and 55 and 70 ?

    asked by la
  100. English

    1) Why is "at university" wrong? Does this word always be followed by "a" or "the"? Thank you. 2) Can you help me express this? You found it difficult to express your personal opinions as well as to revise your topics critically.

    asked by Henry2
  101. Elem. Statistics

    What is the level of measurement for the following variables? I know a.& b., but I am not clear about c. a. Gender: Nominal b. Age: Ordinal c. Accident: Please help me with c.

    asked by Simple Stats
  102. Algebra 2

    Simplify: a+1/a-1 times a^2-1/(a+1)^2

    asked by Josh
  103. pharmacology

    Cocaine causes painful ulcerations of the mucosal layers of the nose. Why would someone be motivated to continue using this route of administration even with this problem? How quickly can death occur with acute overdose of cocaine? What treatment would be

    asked by Anonymous
  104. science

    A patient presents with angina pectoris due to inadequate blood supply. Which diagnosis best describes this condition?

    asked by megan
  105. English

    I think I made a mistake. Which authors, among those you studied this year, were (not was?) born in Ireland?

    asked by Henry2
  106. Substitution Method

    4x+5y=12 2y=6x+8

    asked by Alexis
  107. psychology

    Rennee Thanks you Rennee so much

    asked by Deanie
  108. Algebra 2

    Solve: (x-3)^2= -4

    asked by Adam
  109. biology

    what is the scientific study of heredity

    asked by haley
  110. Algebra II

    f(x)= 1/(x+2) i have to graph this, can some one please help me!

    asked by HELP
  111. art

    does anyone know anamorphic art?if yes,can u somehow teach me?( the measurements to be taken,things like that...)

    asked by Nayam
  112. English

    Thank you very much. Can you please tell me if "get us together" is possible?

    asked by Henry2
  113. Graphing Method

    y=4x+3 y=x-5

    asked by Lexi
  114. Simplifying Expressions

    2x^2+x-5-(2x^2+x+5) 2x^2(3x^2-2x-4)

    asked by Deborah