Questions Asked on
January 15, 2010

  1. chemisty

    How many moles of molecules are there in 250 grams of hydrogen nitrate?

    asked by mary
  2. Geometry

    How do you go about finding the lateral area of a trianglar prism? Ex: The base of a triangular prism is an equilateral triangle with a perimeter of 42 cm. If the height of the prism is 10 cm, find the lateral area. Thanks for the help in advance

    asked by Nicole
  3. Chemistry

    Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S

    asked by Saira
  4. math

    the scale factor for two figures is 3(new figure)to 2(old figure)the new figure has a side of 9.9 what is corresponding side in the old figure? A)6 B)6.6 c)6.06 D)6.16

    asked by makeeda
  5. math

    you traveled 189 miles on 7 gallons of gasoline. at this rate how many gallons of gasoline would you need to travel 297 miles? A)11 b)14 C)20 D)15.5

    asked by makeeda
  6. physics

    Determine the percent error in this approximate value. (There are 365.24 days in one year.)

    asked by john
  7. us history

    Why did Alexander Hamilton propose paying the entire national debt at its face value?

    asked by Anonymous
  8. earth

    1) On a horizontal straight line graph of distance (vertical axis) against time, which variable is not changing? a) Distance b) Time c) Wind speed d) Temperature 2) A graph of distance against time is a straight line with a slope of 1. If you wait for 3

    asked by Sarah
  9. geometry

    How do you find the lateral area and perimeter of a pentagonal pyramid? ex: The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.

    asked by Nicole
  10. physics

    A golfer rides in a golf cart at an average speed of 3.10 m/s for 26.0 s. She then gets out of the cart and starts walking at an average speed of 1.20 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and

    asked by Mary
  11. physics

    A block starts at rest and slides down a fric- tionless track. It leaves the track horizontally, flies through the air, and subsequently strikes the ground. What horizontal distance does the block travel in the air? Answer in units of m. What is the speed

    asked by Anonymous
  12. algebra

    One number is 4 times and then positive number. The sum of the two numbers is 620. Find the two numbers.

    asked by kate
  13. Chemistry ....Please Double check

    If 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulphide, an insoluble compound, that could precipitate? What reactant was the

    asked by Saira
  14. physics

    lots of questions 1) a 2N and 6N force pull on an object to the right and a 4N force pulls to the left a 0.5 kg object what is the net force on the object 2)a 20mkg bike accelerates at 10m/s2 with what force was the person pedaling 3)if a person is pushing

    asked by lauren
  15. physics

    if a person pulls on a cart to the right with a force of 10N and a second person pulls to the left with a force of 3N what is the net force (+ direction)on the cart

    asked by lauren
  16. Math

    How many ways can 3 students be arranged in three chairs? I'm not really sure but I think that the answer will be 9 (nine), is that correct..?

    asked by Sasha
  17. Maths

    A sum of money was shared among Amos, Benny and Cathy. Amos received 1/4 of the sum. Benny received 2/5 of the remainder and Cathy received the rest. As a result, Cathy received $150 more than Benny. (a) What is the amount received by Amos? (b) Find the

    asked by danial
  18. math

    a swimming pool is 60ft long and 35ft wide. a model of the pool is wide is the model? A)3.25 B)4.25 c)5.25 d)6.25

    asked by makeeda
  19. geometry

    how do you find the height of an isosceles triangle only knowing the lengths of all three bases? EX: There's isosceles triangle ABC with vertex angle B. AB= 5x-28. BC= 2x+11. AC= x+5

    asked by erin
  20. chemistry

    1) 14 moles of Ar 12 moles of N2 2 moles of BF3 If the total number of mol present in the mixture visualized is 1.43, calculate the number of mol of N2. 2) 11 moles of N2 4 moles of CSH4 If the total number of mol present in the mixture visualized is 1.68,

    asked by eng
  21. math

    a blueprint for a house shows a bedroom being 5.5 inches wide.the scale used to create the blueprint is 0.50in=1ft what is the actual width of the bedroom? A)11 b)10 C)9 D)8

    asked by makeeda
  22. chemistry

    The Rydberg equation (1/lambda=R/ni^2–R/nf^2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? by GC 1/lambda = R/ni^2–R/nf^2 y = mx + b (standard form) of a linear equation) x = (y-b)/m Let,

    asked by bubble
  23. math(please help urgent)

    1) Find the values (if possible) of the six trigonometric functions of o if the terminal side of o lies on the given line in the specified quadrant. y=1/3x 2)Evaluate (if possible)the sine, cosine, and tangent of the angles without a calculator. (a)

    asked by Hannah
  24. Physics

    My question is how does metal corrosion affect a reed switch? This question is from my textbook. We are following cambridge igcse science.

    asked by Amir
  25. math/probability

    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 KiKi
  26. chemistry

    If the ratio of the rate of effusion of an unknown gas to that of CO under the same conditions is 0.7978, calculate the molar mass (g/mol) of the gas

    asked by eng
  27. college algebra

    When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in

    asked by Sherry
  28. chemistry

    pH Indicators 7 test tubes Added 5mL of water of 0.1 HCl and 5mL of water to 1st test tube. Poured 9mL of water to remaining 6 test tubes. Poured 1mL of solution from 1st test tube to 2nd. Poured 1mL from 2nd to third. Poured 1mL from 3rd to 4th. " " 4th

    asked by linda
  29. physics

    Which of the following are not transverse waves? a) Water ripples in a small pool. b) Sound waves traveling through water. c) Radio waves traveling through space. d) Microwaves inside a microwave oven. e) The vibrations on the surface of a drum.

    asked by hilary
  30. chemistry

    Calculate the average kinetic energy (J/molecule) for a molecule of an ideal gas at 382 K?

    asked by bubble
  31. physics

    a sled is being pulled to the left by 5 dogs, each dog pulling with 6 newtons of force what is the net force

    asked by lauren
  32. Math

    20. 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 for Ms. Sue
  33. Pre-Calculus

    cos^2(x) + sin(x) = 1 - Find all solutions in the interval [0, 2pi) I got pi/2 but the answer says {0, pi/2, pi} Where does 0 and pi come from for solutions? When simplifying I just get sin(x)=1

    asked by George
  34. just for knowledge

    How much do my shares worth if Authorized capital 60,000 shares and I own 500 shares at $1.00 par value. Thank You

    asked by Sharon
  35. math(please help)

    1) Find two values of o that satisfy the equation. Give your answers in degrees and radians. Do not use a calculator. (a) sec o = 2 (b) sec 0 = -2

    asked by Hannah
  36. Social Studies

    Can you help me with this other question Which african countries were not controlled by a foreign power in the years 1880-1914. thanks:)

    asked by just another pretty face
  37. Religious

    Explain the concept of hedonism an how is this concept seen as the dominant theory in our society today.

    asked by TOM
  38. physics - PLEASE HELP!

    Sam is sitting in her fishing boat watching a trout swim below the surface. She guesses the apparent depth of the trout at 2.0m. She estimates that her eyes are about 1.0 m above the water's surface, and that the angle at which she's observing the trout is

    asked by Sarah N H
  39. math

    i can type 19 words in 38 seconds how many can i type in60 seconds? A)25 B)30 C)40 D)50

    asked by makeeda
  40. Physics

    If you cut a magnet in half does each half become a magnet. Give a clear explanation to your answer.

    asked by Amir
  41. math

    Decrease a number by 5, divide the result by 2, then add 17 and multiply by 5. If the final result is 100, with what number did you start?

    asked by Laura
  42. child care

    what are 10/ some questions to ask your parents about life with kids for example; I have these ones do you like life now with kids what made you want kids were you ready for kids anymore suggestions? thank you(:

    asked by anissa
  43. english

    what is being said in the following line: “Foul devil, for God’s sake, hence, and trouble us not; For thou hast made the happy earth thy hell, Fill’s it with cursing cries and deep exclaims.”

    asked by kim
  44. grade 11 physics

    what is the index of refraction of a medium in which the speed of this radiation is 2.54X10^8 m/s? I don't even know where to start...

    asked by Nicole
  45. English Lit

    Need help on writing a prose satire and how it changes the behavior?

    asked by Anonymous
  46. child development

    what level and stage he or she is at developmentally, and list some characteristics demonstrating the nature of the stage. i picked adolecent can you help me find some sites plz

    asked by scooby
  47. physics

    Dolphins ca detect small fish whose size is about equal to the wavelength of the sound the dolphin makes with its echo-location system. A dolphin emits a chirp at a frequency of 220 kHz. Using the speed of water as 1530 m/s, what is the smallest fish this

    asked by hilary
  48. physics

    two loudspeakers are set to produce waves at 255Hz and 258Hz respectively. a tuning fork of unknown frequency is sounded together with each speaker in turn. with the 255Hz speaker it produces 10 beats in 10second and with the 258Hz speaker it produces

    asked by sofi
  49. Health Administration

    Bayside insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $250, but only 20% of the rest. For what amount of mediacl bills will

    asked by Frank
  50. world history

    How did the Reformation in Great Britain affect the colonization of the New World? Explain

    asked by Anonymous
  51. child development does it sound ok

    During the early adolescence (ages 12-14) the teens are very moody. As puberty is in full swing they will experience rapid body changes. The teens are sensitive to their body as it changes. Girls tend to be less fulfilled about their body image. Most want

    asked by scooby
  52. Religions of The World

    Assignment World Religions Report (The Class Final) • Resources: Appendices A, B, & F • Due Date: Day 7 [Individual] forum • Submit your World Religions Report. For this project you will choose one of the following religions: Buddhism, Hinduism,

    asked by Darlene
  53. childhood

    The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major categories are they broken into? A Body,space, and time B What,who,where C Awareness, knowledge,and understanding D Movement, skill

    asked by Abbie
  54. geometry

    What is the lateral area of a cylinder? How do you find it? Is there a formula?

    asked by Nicole

    PLLEASE HELP ME i have no clue what to put. Write a series of five journal entries from the point of view of a member of a tribe that has been conquered by the Incas. Make sure that you bring out positive and negative aspects of Inca rule. Each journal

    asked by Tiffany
  56. Social Studies

    I can tell everyone has some different ideas as to favorite teaching methods. I was curious about something, so I thought I would throw it out to the group. Do you think that one of these methods should be used the majority of the time and then be

    asked by Anonymous
  57. algebra

    53.27 plus 30% is what

    asked by christina
  58. IT web

    What are good coding practices? How can these be integrated into the learning of how to code in XHTML? What effects will it have on a web page if container tags or stand-alone non-empty tags are not used when coding in HTML?

    asked by jessica smith
  59. chemistry

    Given the plot of 1 vs 1ni2, what is the value of nf? y=-0.011x+0.0027 R^2=1 1/n(initial)^2=.04 1/lambda=.0023

    asked by bubble
  60. English/ History-Urgent

    Was there a person in history whose personality changed dramatically in his/ her life? Who was he/ she? I did google search but still had no ideas? Can someone please give a name of person who changed dramatically in history? Any help will be appreciated.

    asked by Anonymous
  61. algebra


    asked by james
  62. social studies

    I need to know plants vegetation in alberta

    asked by polly
  63. Writing

    Which guidelines are less important to a business document but more important to a academic paper.

    asked by John
  64. chemistry

    1) 15 moles of Ne 10 moles of N2 Enter the mass percent of Ne MM[Ne]=20.18 g/mol, MM[N2]=28.01 g/mol

    asked by bubble
  65. why was I banned?

    Why was I banned from my previous post, I was not able to post anything new.

    asked by deeguyz
  66. physics

    How do you convert from nanometres - metres and vice versa? I need to convert 0.6 X 10-6 (the -6 is an expom to nm...

    asked by Sarah
  67. geometry

    In geometry, can a counterexample be used to determine if a conjecture is false or not?

    asked by erin
  68. english IV

    Write a prose satire aimed at changing the behavior or attitude of your audience.

    asked by Anonymous
  69. For all teachers

    Does anyone know if Sra will be on here today because I really need her to check my french.

    asked by Rachel
  70. algebra


    asked by SEXY SLIM
  71. math

    the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.

    asked by disha
  72. international business

    Debate the benefits and drawbacks of both market and mixed economies on the Discussion Board. Present questions for any opponent's arguments, looking for holes and inconsistencies. Attempt to answer any arguments made against your position.

    asked by helpless
  73. english

    distinguish between the prejudicial and nonprejudicial use of rhetorical devices?

    asked by Anonymous
  74. accounting

    describe briefly how businesses make capital budgeting decisions.

    asked by frances
  75. college

    two organizational departments in a business.

    asked by monica
  76. health

    Myelin visited my office yesterday complaining of numbness in his right leg and face. He also has been experiencing muscle weakness and mile depression. i noticed a delay in his visual response in both eyes. what nervous system disorder is he suffering

    asked by joy
  77. biology

    why is the cycle of some types of cells faster than in others, and which part of the cell cycle is the most variable in length

    asked by Ron
  78. to Scooby

    See below:

    asked by Writeacher
  79. math

    Find (if possible) the trigonometric function of the quadrant angle. sec 3pie/2 I really do not know how to do this.

    asked by Hannah
  80. science

    Post a 200- to 300-word response to the following: In your own words, summarize each of the major theories of biology. • Choose one theory and provide an example of how this theory relates to the news today. • Use at least one outside reference in

    asked by k
  81. Academic English Literature, Restoration & 18th c

    How to write a prose satire aimed at changing the behavior or attitude?

    asked by Anonymous
  82. Religious

    why is the concept of determism often regarded as more important than christianity.

    asked by TOM
  83. Hum130

    Assignment World Religions Report (The Class Final) Due Sunday • Resources: Appendices A, B, & F • Due Date: Day 7 [Individual] forum • Submit your World Religions Report. For this project you will choose one of the following religions:

    asked by Darlene
  84. childhood

    The major emphasis of movement programs for young children is the development of concepts. Wich of the following three major categories are they broken into? A Body,space, and time B What,who,where C Awareness, knowledge,and understanding D Movement, skill

    asked by Abbie
  85. 11th grade-Amercain Lit

    I need some help editing this paper. Public’s right to know V.S You’re right to privacy When does the public right to know become unreasonable? Does an individual’s privacy become irrelevant when the public’s safety is concerned? When the

    asked by Cody
  86. social studies

    I need to know lots of animals that live in alberta and about thier lives.

    asked by polly
  87. French

    Could you check these thanks Directions: Answer as indicated, using the pronoun en. Part 1 1. Tu as de l'aspirine? Answer: Oui, j'en ai. 2. Tu as du sirop? Answer: Non, je n'en ai pas. 3. Tu as des médicatments? Answer: Non, je n'en ai pas. 4. Tu as de la

    asked by Rachel
  88. Writing

    Which guidelines are most important for formatting?

    asked by John
  89. English

    I have to debate on legal prostitution. My view point is against legalizating prostitution... Can you help me find clean sites/info? I need to have logical, emotional, and ethical appeals...

    asked by Amber
  90. hca210

    One major problem for the elderly is the lack of coverage in covering all their expenses for long-term care. In many traditional cultures, the elderly are taken care of by their children. However, because that is not the case here, an alternative method

    asked by luz
  91. com 140

    name 3 reasons for writing an informative message?

    asked by quita
  92. religous

    from the 4 theories which is least likly to bene fit from wining the lottery and why

    asked by TOM
  93. physics

    A car travels 0.90 km at an average speed of 84.8 km/h and then 0.97 km at an average speed of 41.6 km/h. What is the car's average speed during the 1.87 km interval?

    asked by Kim
  94. spelling/analigies

    wouldnt:couldnt::green:?? i really need help...??

    asked by jacquieisawesome
  95. math

    A student reports that it is impossible to mark a product up 150% because 100% of something is all there is. What is your response?

    asked by Anonymous
  96. social studies

    what is the population of alberta 2010

    asked by polly
  97. social studies

    how many people have joined alberta since 2009 ?

    asked by polly
  98. data management

    It is 21% likely that any particular person has seen the latest box-office hit. If you are going to a party where you will see 10 people, how likely is it that fewer than 2 of the 10 have seen it?

    asked by sara
  99. carpentry

    how to install a lock

    asked by TOM
  100. geometry

    how do you find the base area of a pyramid?

    asked by Cara