Questions Asked on
June 7, 2015

  1. Calculus

    An architect needs to design a rectangular room with an area of 77ft^2. What dimensions should he use in order to minimize the perimeter? I keep getting stuck on this problem. I know when I take square root of 77, it gives me 8.77. But how do I get there.

  2. Statistics

    A roulette wheel has 38 slots, numbered 0, 00, and 1 to 36. Two slots are green, 18 of the others are red, and 18 are black. a) What is the probability of winning with a bet on red in a single play of roulette? b) You decide to play roulette 4 times, each

  3. Pre-Algebra

    If y varies directly with x, find the constant of variation with x = 4 and y = -24 If y varies inversely with x, find the constant of variation with x=5 and y = 10 If y varies directly with x, and y = 35 when x = 5 , find x when y = -7 If y varies directly

  4. chemistry

    During the combustion of 5.00g of octane C8H18, 239.5 kcal is released. Write a balanced equation for the combustion reaction. Are reactants or products favored? What is the sign of change of heat for this reaction? how much energy is released by the

  5. maths

    from a point R,300m north of P,a man walks east wards to a place Q which is 600m from P find the bearing oF P from Q,correct to the nearest degree and the distance between R and Q.

  6. U.S History

    Which group believed that failure to approve the Constitution would lead to chaos and mob rule? Federalists**** Anti-federalists 2. Which group believed a strong national government was critical to the country? Federalists*** Anti-federalists 3. Which

  7. calc

    Find the interval on which the curve y= integral x to 0 of 6/(1+2t+t^2) dt is concave upward

  8. history

    Which of the following caused a rapid increase in the demand for coal and other fossil fuels in the late 1800s? HOME HEATING IN THE NORTH NEW SHIPS USING STEAM POWER COTTON PRODUCTION IN THE SOUTH MANUFACTURING IN THE NORTHEAST

  9. Chemistry

    Can someone please help me with this question? Hydrazine is somewhat toxic. Use the half-reactions shown be- low to explain why household bleach (a highly alkaline solution of sodium hypochlorite) should not be mixed with household ammonia or glass

  10. Math

    One cell phone plan costs $15 per month plus $0.10 per minute used. A second cell phone plan costs $50 per month for unlimited use. Write and solve an inequality to find when the second plan is cheaper than the first.

  11. COLLEGE MATH

    a manufacture of brand A jeans has daily production costs of C =0.2x^2 -96x+12,095 where C is the total cost in dollars and x is the number of jeans produced. How many jeans should be produced each day in order to minimize costs? what is the minimum daily

  12. English

    -----------the gift was intended ,we never discovered. a To who b To whom c For who d For whom

  13. English

    According to her parents, the book that I found was her’s. She told me, however, that she didn’t want it back. 1. Which of the following is an error in the sentence above? A. Improper use of commas around “however” B. Improper use of a comma after

  14. english comp2

    Which thesis statement is the strongest? A. The most effective way to create jobs, in my opinion, is through government-supported programs aimed at renewing the nation’s infrastructure. B. I think the most effective way to create jobs is through

  15. chemistry

    How much heat in kilocalories is absorbed in the reaction of 1.94g of Na with H2O? 2Na(s)+2H2O(l)->2NaOH(aq)+H2(g) change in heat= -88.0kcal/mol

  16. chemistry

    Chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate 2NH4Cl(s)+Ba(OH)*8H2O(s)->2NH3(aq)+BaCl2(aq)+10H2O(l) the change in heat for this reaction is 54.8kJ how much energy would be absorbed if 24.9g of NH4Cl reacts

  17. French

    Bonjour! Are these sentences grammatically correct? 1. J’étais trés réservée. C’était une bonne chose, parce que je n’ai jamais eu des problémes pour parler. Mais il était difficile de se faire des amis (I was very quiet. It was good thing,

  18. Stats

    Suppose that weights for women in their 20’s average 125 lb., with a standard deviation of 14 lb. For a sample of size 50 how likely is it that a random sample will produce a mean weight between 100 and 140 lb.?

  19. Statictics

    A coding supervisor must determine the number of full-time equivalents (FTEs) needed to code 500 discharges per week. If it takes an average of 20 minutes to code each record and each coder works 7.5 productive hours per day, how many FTEs will the coding

  20. Algebra

    Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x). The graph has a point on (2,2)the y-intercept is 4 the x intercept is 3 x =-4, 8, 0, -2, 2 f^{-1}(x) Note: You can earn partial credit on this

  21. Another math related question

    Two urns both contain green balls and red balls. Urn 1 contains 6 green balls and 4 red balls and urn 2 contains 8 green balls and 7 red balls. A ball is drawn from each urn.What is the probability that both balls are red

  22. English

    Dragonwings by Laurence yep What conflict is left unresolved at the end?

  23. Chemistry

    How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? Calculate the volume of solution of 3.6 NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you

  24. Chemistry

    Methanol is produced commercially by the catalysed reaction of carbon monoxide and hydrogen: CO(g) + 2H2(g)  CH3OH(g). An equilibrium mixture in a 2.00 L vessel is found to contain 0.0406 mol CH3OH, 0.170 mol CO, and 0.302 mol H2 at 500 K. Calculate Kp

  25. chemistry

    methanol CH3OH is used as race car fuel write the balanced equation for the combustion of methanol. change in heat= -174kcal/mol methanol for the process How man kilocal are released u burning 33.0g of methanol

  26. chemistry

    Fe3O4 can be reduced by treatment with hydrogen to yield iron metal and water vapor write the balanced equation. this process required 36kcal for every 1.00 mol of Fe3O4 reduced. how much energy in kcal is required to produce 64g of iron. how many grams of

  27. Economics

    What are the costs and consequences of providing the subsidies and welfare

  28. algebra

    expand completely (X^4-Y)^5 do you just multiply by the exponents? X^20-Y^5

  29. algebra

    I am a little confused with the term expand. the question is find each term: the fourth term in the expansion of (4y+X)^4 I looked at pascals triangle is the answer -4X(-4y^3) does the problem call for the renaming or rearranging of x and y?

  30. Math

    Mr. Powell has 96m of wire. He used all of it to fence a square Garden. What is the length of 1 half of the garden?

  31. Algebra

    You have the numbers 1-25 written on slips of paper. If you choose a slip at random, what is the probability that you will select a number that is divisible by 4? 1/5 6/25***? 4/25 2/3 You have the numbers 1-24 written on slips of paper. If you choose a

  32. Geography

    Ottawa replied that it will make “climate-related investments in innovative technologies” to improve environmental performance in the oil sands, a pledge Ms. Metivier reiterated Thursday. Ms. Metivier said many of the regulations imposed by the federal

  33. Langalibalele

    What are the consequences of providing the subsidies and walfare

  34. Geography.

    Why is Canada running behind schedule in reducing green house gas emissions is important to Canada and Canadians and what affect does it have? I just need help with this question and I'm done my project !!

  35. Algebra

    You want to determine the average number of songs people keep on their MP3 players. You want to collect data from a random sample of at least 300. Which of these would be the most valid method of collecting data? a. Survey students coming in and out of

  36. English

    English homework: I have to write a level 6 PEA paragraph answer. P-point E-evidence A-analyse I want the LEVEL 6 PEA to include "because and why and the effect of that technique and why the poet has written this technique and to show what and using

  37. algebra

    if f(x)=square root of x-4 what is f inverse I came up with x^2+16

  38. algebra

    if f(x)=10x+7/6x+3 what is the f inverse

  39. statistics

    Community health center, a new patient clinic in your town serving only underinsured and uninsured patients, has asked you to help its HIM department get started. Calculate the number of new shelving units needed for a medical record filing system based on

  40. statictics

    An employee currently earning $13.85 per hour has been awarded a 3.5 percent merit raise. What will the employee's hourly salary be with this increase?

  41. Statistics

    The HIM coding supervisor agrees to pay a new graduate $13.50 per hour. This is a full-time coding position at 2,080 hours per year. The cost for a full-time employee's fringe benefits is 24 percent of the employee's salary. How much must the supervisor

  42. to damon

    thanks,,,, my course (which was very word intensive) Never used the term "expand", but went into depth on simple problems with pascals triangle. I think now I understand the principle behind the problems.

  43. statistics

    The forms used in your coding area cost $100.00 per 1000 forms for the first 2000 and $50 for every 1,000 thereafter If you need to order 5,000 forms what is the total cost?

  44. Math

    Solve {x}/{|x|} + {y}/{|y|} + {z}/{|z|} + {xyz}/{|xyz|} = 0.

  45. statistics

    last month, the release of information specialist received 232 requests for information. He was able to answer 176 within thee specified time frame of three working days. What is the rate of compliance in answering requests within the specified time frame?

  46. statistics

    Last year, community hospital had 23652 admissions. of these, 1569 were readmissions. What is the hospital's readmission rate? round to two decimal places.

  47. Walk two moons need help

    does anyone here read the book walk two moons because i need help

  48. calc

    use geometric formula to find 4-x and 2x-8 when integral is from 0 to 6

  49. physics

    A 2.0ìF capacitor, a 13ìF capacitor, and a 20ìF capacitor are connected in parallel. What is their equivalent capacitance? Could you explain how to do?

  50. calc

    using geometric formula evaluate 4-x and 2x-8 when integral is from x=0 to 6

  51. Math

    A drawer contains 2 red socks,3 white socks and 2 blue socks. without looking you draw out a sock return it and draw out a second sock.what is the probability that the first sock is blue and the second sock is red

  52. World History

    Draw Inferences What events influenced the growth of environmental movement in the United States? Why did the environmental movement attract many of the same people who had participated in other movements? Do you think the environmental movement has had a

  53. english please help

    1. The team __ is wearing the red jerseys is the one I came to see. Which of the following pronouns correctly completes the sentence above? A. who B. whom C. that D. which 2. The gist of the saying went something like this: If a person wants to get ahead

  54. science

    Arthropoda Chelicerata Merostomata (horseshoe crabs) Arachnida (spiders, mites, scorpions) Pycnogonida (sea spiders) Crustacea Copepoda (small crustaceans) Cirripedia (barnacles) Malacostraca (crabs, lobsters, shrimp) Uniramia Insecta (insects) Chilopoda

  55. english please help

    1.Which of the words means the same as “confidence” as used in the sentences She told me in confidence what her plans were, and I refused to divulge them to anyone else. A. Secret b. Reliable C. Assurance d. Certainty 2. The gist of the saying went

  56. HISTORY

    The War Powers Resolution is possibly unconstitutional because: A.Encroaches upon executive authority. B.All are correct. C.It is a legislative right. D.Was not properly enacted.

  57. math

    Mr Shah has been involved in a sheep farming business for several years and he supplies meats and milk products to the communities. He wishes to build a rectangular sheep pen with two parallel partitions using 200 meters fence. Find the dimensions of the

  58. math

    Find an equation to describe the following data, (4, 3), (6, $1.50), (8, 6)

  59. Art History

    What are the main differences between Cycladic and typical Mycenaean art?

  60. Math (PLEASE HELP!)

    The temperature of an enclosure for a pet snake should be about 27°C, give or take 3°C. (show your work) a) What absolute value expression can be used to represent this situation? b) Use the expression to determine the temperature range the enclosure

  61. Inequalities

    solve the inequality: x-3/x-2 + 12/x^2-x-2> 8/X+1

  62. \World History

    What was the industrial revolution and why did it start in england? I don't understand it overall.

  63. geography

    what does intentional trade have to do with canada's free trade history

  64. algebra

    A music concert was attended by 450 people. Adult tickets sold for $70 and children’s tickets for $40. If total sales were $27,750, how much of each ticket was sold?

  65. algebra 1

    3 kids ages =60 if they are consecutive even integers hat are their ages

  66. HISTORY

    The War Powers Resolution is possibly unconstitutional because: A.Encroaches upon executive authority. B.All are correct. C.It is a legislative right. D.Was not properly enacted.

  67. Anatomy & Physiology

    A person is complaining of muscle weakness, numbness, paralysis and pain. Which disorder of the nervous systemis this person most likely experiencing?

  68. algebra

    An electrician needs to run a cable from the top of a 40-foot tower to a transmitter box located 30feet away from the base of the tower. Find how long he should make the cable

  69. Math

    How would you solve: 5 cos x + 2 = 0 In the domain of 0 degrees to 360 degrees

  70. Great Valley

    How many moles of potassium sulfate would you need to prepare 1200 grams of 5.0% sulfate (m/m) solution? Calculate the volume of solution of 3.6 NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you

  71. english please help

    1. The team __ is wearing the red jerseys is the one I came to see. Which of the following pronouns correctly completes the sentence above? A. who B. whom C. that D. which 2.Which of the following sentences is punctuated correctly? A. A carpenter must use

  72. English

    Arthropoda Chelicerata Merostomata (horseshoe crabs) Arachnida (spiders, mites, scorpions) Pycnogonida (sea spiders) Crustacea Copepoda (small crustaceans) Cirripedia (barnacles) Malacostraca (crabs, lobsters, shrimp) Uniramia Insecta (insects) Chilopoda

  73. Physics

    You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend

  74. Life skills

    onathan wants to go to The Ohio State University someday. His dad is trying to decide between two job offers, one of which is from The Ohio State University. Jonathan has been advising him to take the OSU job because he would then get free tuition.

  75. maths

    A fruit seller loses 10 per cent by selling oranges at 26 for rupees 25 .How many oranges should he sell for rupees 5 to gain 17 per cent?

  76. Chemistry

    Calculate the volume of solution of 3.6 M NH4CI needed to prepare 350.0ml of 1.24 M NH4CI. How many grams of ammonium chloride are in the solution you created in the above problem.

  77. Physics

    You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want to climb up the hill, so you tell your friend

  78. english please help

    1.Which of the words means the same as “confidence” as used in the sentences She told me in confidence what her plans were, and I refused to divulge them to anyone else. A. Secret b. Reliable C. Assurance d. Certainty 2. The gist of the saying went

  79. Chemistry

    What are some of the distinctive properties of gases with respect to: density, volume, shape?

  80. English

    Arthropoda Chelicerata Merostomata (horseshoe crabs) Arachnida (spiders, mites, scorpions) Pycnogonida (sea spiders) Crustacea Copepoda (small crustaceans) Cirripedia (barnacles) Malacostraca (crabs, lobsters, shrimp) Uniramia Insecta (insects) Chilopoda

  81. Thermodynamics

    A sample consisting of 2 moles of diatomic perfect gas molecules at 250K is compressed reversibly and adiabatically until its temperature reaches 300K. Given that Cv,m is 27.5 JK/mol calculate q, w, delta U, delta H and delta S.

  82. Writing Skill Test

    taking a compass writing skill, can't remember how/ to figure it out.

  83. nc bodiwala

    How do u write "7 june 2015" in 5 letters

  84. Algebra

    I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?

  85. Algebra

    what is (1.4*10^1)(8*10^4) in scientific notation?

  86. Geography

    The Harper government faced a grilling from global climate officials Thursday, as countries’ representatives questioned Canada’s policies and commitment to reduce greenhouse gas emissions. Canada’s chief negotiator Louise Metivier presented

  87. chemistry

    I2(g)+Cl2(g)->

  88. chemistry

    4HCl(g)+O2(g)->

  89. chemistry

    for N2O4(g)->