Questions Asked on
August 24, 2013

  1. Geography

    Why do geographers study human-environment interaction?

    asked by Anonymous
  2. GEOMETRY (Angles) PLEASE

    in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC

    asked by yuri
  3. Chemistry :)

    How does intermolecular force of attraction is responsible for a change of state?

    asked by Celine
  4. Statistics

    A statistician analyzing a randomized controlled experiment has tested Null: The treatment does nothing. Alternative: The treatment does something. using a 4% cutoff for P-values. The P-value of the test turns out to be about 1.8%. 1. The conclusion of the

    asked by stat
  5. science

    A statistician analyzing a randomized controlled experiment has tested Null: The treatment does nothing. Alternative: The treatment does something. using a 4% cutoff for P-values. The P-value of the test turns out to be about 1.8%. 1. The conclusion of the

    asked by stat
  6. science

    A statistician analyzing a randomized controlled experiment has tested Null: The treatment does nothing. Alternative: The treatment does something. using a 4% cutoff for P-values. The P-value of the test turns out to be about 1.8%. 1. The conclusion of the

    asked by stat
  7. science

    A coin will be tossed 15 times, and I have to decide whether it lands heads with chance 0.6 or 0.3. I’ll test the hypotheses Null: p = 0.6 Alternative: p = 0.3 1. First, I will use a simple decision rule: if fewer than half the tosses are heads, I will

    asked by stat
  8. math

    Solve 3^x * 9^2x * 8^x/18^x *27^2x *3^2x

    asked by James
  9. Physics

    Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ? I have come up with is IN (2) / 0.000001 s-1 = 693147.18055 which i am having troube working into real figures Can anyone help please .. thanks

    asked by Freddo
  10. Early childhood

    I need to see an written example of a summary report on a child for preschool that covers the seven domain. 1.Personal and social development 2. Language and Literacy 3. Mathematical Thinking. 4. Scientific Thinking. 5. Social Studies. 6. the Arts.

    asked by Karen
  11. Maths

    Twenty-four ladybirds were sitting at various places around the garden.One sixth of the ladybirds flew away to settle in the garden.Half of the remaining ladybirds sat on a yellow sunflower.Then half of those on the sunflower flew onto a fence post.There

    asked by Sarah
  12. Maths

    Twenty-four ladybirds were sitting at various places around the garden.One sixth of the ladybirds flew away to settle in the garden.Half of the remaining ladybirds sat on a yellow sunflower.Then half of those on the sunflower flew onto a fence post.There

    asked by Sarah
  13. Maths

    Heather loves roses.In her rose garden she has half as many pink roses as red,and four times as many red ones as white.There are 37 roses that are either yellow or white.Twenty are yellow.How many roses are in Heather's garden? Help me out please anyone

    asked by Sarah
  14. science

    Nitrate concentrations exceeding 44.3 mg NO3-/L are a concern in drinking water due to the infant disease, methemoglobinemia. Nitrate concentrations near three rural wells were reported as 0.01 mg NO3- N/L, 1.3 mg NO3- N/L, and 20.0 mg NO3- N/L. Do any of

    asked by cucu
  15. science

    A reversed osmosis plant desalinates 5×106 L/day of feedwater containing 1,500mg/L of salts, yielding 3 x106 L/day of product water with 75 mg/L of salt. What is reverse osmosis? What is desalination? What would the salt concentration be in the brine?

    asked by cucu
  16. science

    Wax is coated on the inner wall of a capillary tube and the tube is then dipped water. Then, compared to the unwaxed capillary, the angle of contact theta and the height h Upto which water rises change. These changes are: 1)Theta increases and h also

    asked by nalin
  17. math

    the arithmetic mean of x,y and z is 6 while that of x,y,z,t,u,v and w is 9. Calculate the erithmetic mean of t, u, v and w

    asked by lawrence
  18. mathematics

    the arithmetic mean of x,y and z is 6 while that of x,y,z,t,u,v and w is w. Calculate the arithmetic mean of t,u,v and w.

    asked by lawrence
  19. physics

    How many coulombs of positive charge are there in 8.70 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?

    asked by Justin
  20. Algebra

    -1/4-3 simplify as integer or fraction Can someone show me how?

    asked by Christopher
  21. Genetics

    Genes: Brown = B Big eyes = E Small ears = S Frizzy hair = F These 4 phenotypes B, E, S, F are dominant. Recessive alleles = b, e, s, f Assume that all 4 genes are present on the same chromosome and 1) Be/bE and be/be resulted in 400 Be/bE, 300 be/be, 200

    asked by John
  22. Purchasing a car

    Which one of the following sources is most likely to give you objective information about the expected performance of a new car model? A. Newspaper ad B. Dealer's local radio commercial C. Manufacturer's television advertising D. Consumer Reports magazine

    asked by LadyT
  23. Physics

    Two cars lost in a blinding snowstorm are traveling across a large field, each thinking they are on the road, as shown in the figure on the left. They collide. If the distance x is 141 meters and the red car is travelling at 19.5 mph, how fast to the

    asked by Mirana Alam
  24. American Goverment

    Philadelphia, Pennsylvania was NOT _____. the location the 1787 Constitutional Convention. the city where the Declaration of Independence was signed the childhood home of Thomas Jefferson and John Adams an important city in colonial America 22. For the

    asked by Miranda
  25. FRM 130 Retail Math

    You are working a floor manager of the hosiery department in Betty's Fashion House. You have purchased items which are invoiced at $38,000 that carry a freight charge of $347 and the cost $150 from a particular vendor to set out on the sales floor. The

    asked by Tomika Davis
  26. American Goverment

    Despite their differences, the Founding Fathers all agreed that _____. democracy was the most important political value the Constitution should balance order, liberty, and popular sovereignty freedom must be protected at all costs a monarchy should be

    asked by Miranda
  27. math

    Dents and Dings Auto Body buys paint with a list price of $29,000. If the supplier extends trade discounts of 30/35/20, what is the trade discount amount?

    asked by charles
  28. SAT Writing

    I am rewriting the essay that is regarding to the memory prompt. Essay Life consists of memory and without it, people will have nothing to recall. Everyone at least have to remember something in order to initiate a conversation. Some might tell others

    asked by Anonymous
  29. physics

    A car accelerates from 44 m/s to 52 m/s in 3.4 seconds. What distance is covered?

    asked by Sara
  30. ap world history

    how did coca cola become the worlds most recognized product?

    asked by Anonymous
  31. maths, limits

    lim of x to 0 = x^2+1

    asked by dlvan
  32. Geography

    What states might be included in the Sunbelt?

    asked by Anonymous
  33. Geography

    Why do geographers study human-environment interaction?

    asked by Anonymous
  34. Algebra 1

    Roses-R-Red sells its roses for a fixed down payment of $20 plus $0.75 per stem. Flower Power sells its roses for a fixed down payment of $60 plus $0.50 per stem. Which company offers the better deal? Which flower distributor would you use? why?

    asked by Angela
  35. Social studies

    Why did Spain not colonize in some significant areas of north america??

    asked by Unknown
  36. Algebra

    The ages of three brothers are three consecutive even integers. If the sum of the 1st, four times the 2nd, and twice the 3rd is 86, what is the age of the oldest brother?

    asked by Yasmen
  37. Chemistry

    0.2 Faradays of electricity were passed through solutions of sulphuric acid. Calculate the volume of hydrogen evolved at s.t.p in sulphuric acid.

    asked by Shane
  38. Physics ...

    Hi Radioactive decay - A radioactive nuclide has a decay constant of - 10^-6 s-1 what is its half life ? I have come up with is IN (2) / 0.000001 s-1 = 693147.18055 which i am having troube working into real figures Can anyone help please .. thanks

    asked by Freddo
  39. math

    How long (in minutes) will a 400 -mile road trip take at 70 mph? Round your answer to the nearest minute.

    asked by Anonymous
  40. French

    Does "je marche" mean "I walk" or "I am walking?"

    asked by Anonymous
  41. home economics

    what does the South African government not providing enough welfare or subside to the poor under priviledged

    asked by Anonymous
  42. Math ASAP

    Base Area: 23 square inches Height: 11 inches What is the Volume of the hexagonal prism?

    asked by Omar
  43. Math

    Last year company x produced 96.8% of a certain product. If company y produced the remaining amount of this product what percent did company y produce?

    asked by Lucky
  44. Math ASAP

    Top Area: 13 square inches Total Surface Area: 346 square inches What is the Lateral Surface Area of the 5-sided prism?

    asked by Omar
  45. Geography

    How might the military use both GEOS and GPS?

    asked by Anonymous
  46. STUDY UNIT MAIN IDEA

    THE PHRASE WHAT CALLED THE GREENHOUSE EFFECT PRESENT A/AN

    asked by MOOICA
  47. Physics

    In a physics study group, a friend says in a profound tone that light is the only thing we can see. After a few laughs, your friend goes on to say that light is produced by the connection between electricity and magnetism. Is your friend correct? My

    asked by Trinitee
  48. Math ASAP

    Top Area: 26 square inches Top Perimeter: 34 inches Height: 11 inches What is the Surface Area of the 12-sided prism?

    asked by Omar
  49. Math ASAP

    Base Area: 22 square inches Lateral Surface Area: 308 square inches What is the Surface Area of the hexagonal prism?

    asked by Omar
  50. Writing

    Can you proofread my essay and I also need a good title? Christopher Columbus was a brave, strong, hard-worker who took sea to America in 1470. What is biased? Biased is your opinion or idea on someone. In Christopher Columbus journal excerpt, there were

    asked by Allie
  51. AP Calculus

    Find an equation of the tangent line to the graph of f at the given point. f(x)=27/(x^2+9) (-3,3/2) I got y=x/2+3, but I don't think its right.. please help!

    asked by LaLaLa
  52. ap world history

    any good websites for map outlines for the book "history of the world in 6 glasses" by tom standage?

    asked by Anonymous
  53. Geography

    Why do geographers study human-environment interaction?

    asked by Anonymous
  54. math

    Biologists have noticed that the chirping of crickets of a certain species is related to temperature, and the relationship appears to be very nearly linear. A cricket produces 119 chirps per minute at 67 degrees Fahrenheit and 172 chirps per minute at 88

    asked by allison
  55. Math ASAP

    Base Area: 22 square inches Lateral Surface Area: 308 square inches What is the Surface Area of the hexagonal prism?

    asked by Omar
  56. Statistics

    The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard deviation of 12. 16) Given

    asked by Tara
  57. Statistic

    In a population of over 15,000 patients, the distribution of systolic blood pressure follows the normal curve. Investigators believe the average systolic blood pressure in the population is 120 mm. The investigators take a simple random sample of 6

    asked by Anonymous
  58. statistics

    Use the following scenario to answer the next 5 questions. Millions of Americans are subjected to drug testing in the workplace. The tests are not always reliable. A false positive rate of 5% is considered to be a conservative estimate. Suppose that there

    asked by help im lost
  59. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy
  60. Algebra 2

    A lamppost casts a shadow that is 24 feet long. Tad, who is 6 feet tall, is standing directly next to the lamppost. his shadow is 15 feet long. How tall is the lamppost?

    asked by Annabelle
  61. business math

    . What is the net price of each Natureland Garden Center lawn mower?

    asked by Anonymous
  62. Geography

    In what direction does the Ganges River flow? I am uncertain of whether the river flows in a south or a southeast direction.

    asked by Anonymous
  63. Complements

    I think I have the complements right (see what's in brackets), but I need to say whether they're predicate adjective, predicate nominative, direct or indirect objects. At first this Saturday had been a warm, sunny [day]. However, the sky became [greyer]

    asked by Jennifer
  64. world history

    explain the relationship between tea and a) the Industrial Revolution and b) the expansion of the British Empire

    asked by anonymoose
  65. Geography

    China is the northern neighbor of which countries?

    asked by Anonymous
  66. world history

    How did spirits (rum, brandy) help in the building and shaping of early America (politically and economically)?

    asked by anonymoose
  67. SAT Math

    1. If xy>1 and zz II.xyz

    asked by Anonymous
  68. Finance

    Mrs. Jones owns 100 shares of stock in Daimler-Benz valued at 16.5 Euros per share. What is the value in $U.S. of her stock if: 0.90 € = $1 Value of 100 shares at €16.5 per share 1,650.00 Euros Value of 1,650.00 Euros at 0.90 € = $1 is $1,833.33 0.70

    asked by Laura
  69. Geography

    Which city is closer to the Thar Desert-Lahore, Pakistan or New Delhi, India?

    asked by Anonymous
  70. Algebra

    Rays PQ and QR are perpendicular. Point S lies in the interior of angle PQR. If angle PQS= 4+7a and angle SQR=9+4a, fing angle PQS and angle SQR.

    asked by Jack Reeg
  71. Psychology

    1.Which of the following is an example of something that remains stable across the lifespan? A. Gender (I chose this) B. Physical size C. Language D. all over above 2. Which of the following is true of the life-span perspective? A. It is primarily

    asked by Lisa
  72. business math

    Classic Furniture purchases dining room sets with an invoice date of September 27, and terms of sale of 3/10, n/60. What is the net date?

    asked by Anonymous
  73. Physics

    A monochromatic wavelength 600nm passed through a singlde slit which has a width of 0.8mm. A,calculate the distance between six and nineth bright frings.

    asked by Ashebir
  74. math

    line l bisects XY at M and divides XY into two equal parts name a pair of congruent segments

    asked by Jae
  75. algebra 2

    Teaneck High had an enrollment of 11050 in 1990 and an enrollment of 13390 in year 1998. What is the predicted enrollment of Teaneck High in 2018 if we assume a linear model?

    asked by allison
  76. math

    what is the smaller angle between the hour and the minute hand of the clock at 12:20.

    asked by sanjay saini
  77. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy
  78. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy
  79. Material Science

    A polystyrene ice chest contains 3 kg of ice at 0 degrees Celsius. Triangle H for melting = 3.34 x 10 to the 5 power J/kg p = 1000 kg/m cubed, CP =4190 J/ (kg K). Heat transfer is limited by conduction (k=0.06W/m K)) from the outside wall at 30 degrees

    asked by Joy
  80. Material Science

    Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed, Cp= 440 J/(kg K). Passage of electrical current produces thermal energy generation = I triangle V= I squared R (J/sec). Note that

    asked by Joy
  81. Material Science

    Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed, Cp= 440 J/(kg K). Passage of electrical current produces thermal energy generation = I triangle V= I squared R (J/sec). Note that

    asked by Joy
  82. Material Science

    Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed, Cp= 440 J/(kg K). Passage of electrical current produces thermal energy generation = I triangle V= I squared R (J/sec). Note that

    asked by Joy
  83. Geography

    Why are so few nations shown on the cartogram?

    asked by Anonymous
  84. physics

    A diver of mass m drops from a board 12 m above the water surface. Calculate his speed 6m above the water surface. What is the speed of the diver just he strikes the water?

    asked by zah
  85. Biology

    What does the notation 4n = 28 tell you about how many types of chromosomes there are and how many of each type of chromosome are present in a cell? I am a little confused on how this is determined. Would it be 4 sets of chromosomes with 7 of each type of

    asked by Zach
  86. physics

    A 45.0 g ball of copper has a net charge of 1.5 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)

    asked by Justin
  87. physics

    What is the repulsive force between two pith balls that are 12.0 cm apart and have equal charges of -39.0 nC?

    asked by Justin
  88. physics

    Two point charges exert a 2.50 N force on each other. What will the force become if the distance between them is increased by a factor of 5?

    asked by Justin
  89. physics

    (a) Two point charges totaling 8.50 µC exert a repulsive force of 0.100 N on one another when separated by 0.839 m. What is the charge on each? smallest charge (µC) largest charge (µC) (b) What is the charge on each if the force is attractive? smallest

    asked by Justin