Questions Asked on
November 21, 2010

  1. world history

    what is the process of ice fishing in the colonial times

    asked by Maria
  2. Math

    i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes

    asked by ash
  3. physics HELP

    a 18.0kg sled being pulled across horizontal surface at constant velocity. pulling force has magnitude of 82.0N and is directed at angle of 30 degree above horizontal. determine coefficient of kinetic friction

    asked by hy
  4. physics

    a rocket of mass of 450000kg is in flight. its thrust is directed at angle of 62.5 degree above horizantal n has magnitude of 6000000 N. find the magnitude and direction of rockets acceleration. give direction as an angle above horizontal

    asked by hy
  5. statistics

    what is random sampling and why is it important to statistical inference with reference to representativeness and error?

    asked by ash
  6. statistics

    what is sampling distribution and sampling distribution of means?

    asked by ash
  7. statistics

    what is meant by the standard error of a statistic? what is it an index of? what is meant by the standard error of the mean? what it is an index of?

    asked by ash
  8. IT

    4. Modify the program of Problem 3 so that it also computes and displays the employee’s net pay. Net pay is gross pay minus deductions. Assume that deductions are taken for tax withholding (30% of gross pay) and parking ($10 per month).

    asked by F COOPER
  9. PROGRAMMING PROBLEMS

    4. Modify the program of Problem 3 so that it also computes and displays the employee’s net pay. Net pay is gross pay minus deductions. Assume that deductions are taken for tax withholding (30% of gross pay) and parking ($10 per month).

    asked by F COOPER
  10. Limiting reagent

    If 270. mL of 0.08089 M aqueous Pb(NO3)2 and 710. mL of 0.05493 M aqueous Na+ are reacted stoichiometrically according to the equation, what mass (g) of Na+ remained? Pb(NO3)2(aq) + 2 NaI(aq) → PbI2(s) + 2 NaNO3(aq)

    asked by Confused
  11. chemistry

    If 0.0490 mol of solid CaCO3 and 380 mL of 0.135 M aqueous H2SO4 are reacted, what volume (L) of gaseous CO2 measured at 1.1 atm pressure and 301 K is produced. H2SO4(aq) + CaCO3(s) → CO2(g) + CaSO4(s) + H2O(l)

    asked by Confused
  12. AP Physics

    A basketball player makes a jump shot. The 0.700-kg ball is released at a height of 2.00 m above the floor with a speed of 7.70 m/s. The ball goes through the net 3.00 m above the floor at a speed of 3.10 m/s. What is the work done on the ball by air

    asked by Sierra
  13. college

    I have to write a "journal article reviews" for Medical Law & Ethics. I have some articles already but don't know how to start it. thanks

    asked by Mary
  14. physics Helppp

    3 mass are collienear formation A, B, C massA is 363 kg and is .5m away from mass B (517 kg)and mass B is .25m away from mass C (154kg) Find the magnitude and direction of the net gravitational force acting on each of the three particles (let the direction

    asked by hy
  15. physic

    The drawing (not to scale) shows one alignment of the sun, earth, and moon. The gravitational force SM that the sun exerts on the moon is perpendicular to the force EM that the earth exerts on the moon. The masses are: mass of sun = 1.99 1030 kg, mass of

    asked by hy
  16. physics asap

    Two fan carts with different fan speeds and different accelerations are started from rest some distance from one another. Cart A begins at position 0 with a velocity of zero and an acceleration of aA to the right. Cart B begins at position xB with a

    asked by cherin
  17. physics

    A 200 g ball is lifted upward on a string. It goes from rest to a speed of 2.0 m/s in a distance of 1.0 m. What is the tension in the string?

    asked by nona
  18. statistics

    proportion between 45 and 78

    asked by Anonymous
  19. Math

    Using the digits 0, 2,3 ,4 5, 6 make the largest 4 digit in terms of value that you can.

    asked by Martha
  20. physics

    a 82.7 kg ice skater is moving at 5.88 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. she then moves in a circle of radius 0.627 m around the pole. the acceleration of gravity is 9.8 m/s^2. Find the force exerted

    asked by vanessa
  21. physics

    an amusement park ride consists of a rotating circular platform 7.4 m in diameter from which 10 kg seats are suspended at the end of 1.81 m massless chains. when the system rotates, the chains make an angle of 26.6 degree with the vertical. the

    asked by vanessa
  22. Math

    A father's age is 3 times his son's age. Sum of their ages is 44 years. Find their ages.

    asked by Ruquaya
  23. physics

    a race car travels 22 m/s around a circular track of radius 142 m/ what is magnitude of the resultant force on the 1400 kg driver answer his car? answer in units of kN. the angle from the wheel to the horizontal is 32 degree..and u= .11

    asked by vanessa
  24. Chemistry

    John has 300 mL of 0.65 M NaCl solution. Mary has 500 mL of 0.35 M solution. What is the concentration of the solution if they pour them together

    asked by Tracy
  25. Physics

    A 3.5 kg body accelerates from rest to 20 m/s in 5 s. Calculate: A its acceleration B the force required.

    asked by Claire
  26. physic

    The acceleration due to gravity of mars is 3.7 m/s2. An astronautto throw a tennis ball 70 m upward on mars. How high will he able to throw it on the earth?

    asked by icasem
  27. acid and base titrations

    25.00 mL of a solution of HCL was titrated with 0.4500 M NaOH using the indicator bromthymol blue. Successice readings of the burette gave the following data: colour: Volume of NaOH (mL)= i.) 16.35 yellow ii.) 16.40 yellow iii.) 16.45 green iv.) 16.50 blue

    asked by jj reddick
  28. acid and base titrations

    Which of the following solutions should be used when titrating a 25.00mL sample of CH3COOH that is approximately 0.1 M? a.) 0.150 M NaOH b.) 0.001 M NaOH c.) 3.00 M NaOH d.) 6.00 M NaOH

    asked by jj reddick
  29. science

    i want help for krutisanshodhan

    asked by ahubhangi
  30. Phisycs

    Lake Point Tower in Chicago is the tallest apartment building in the United States (although not the tallest building in which there are apartments).Suppose you take the elevator from street level to the roof of the building.The elevator moves almost the

    asked by Sonny
  31. EDU310

    specific cases and laws that have evolved or have had an impact on U.S education

    asked by Anonymous
  32. math

    Assume that water lilies double in area every 24 hours. In the spring, there is one water lily on a lake. After thirty days, the lake is completely (100%) covered with water lilies. How many days did it take for lilies to cover 25% of the lake?

    asked by Max
  33. math

    If you pour 500,000 cubic centimeters of water in a barrel that was already holding 300 liters of water, how much total water would be in the barrel?

    asked by Max
  34. economics

    Describe the equilibrium using graphs for the entire market and for an individual producer.Now suppose that textile producers in other countries are willing to sell large quantities of cloth in the United States for only $25 per unit.

    asked by ankit
  35. economics

    Describe the equilibrium using graphs for the entire market and for an individual producer.Now suppose that textile producers in other countries are willing to sell large quantities of cloth in the United States for only $25 per unit.

    asked by ankit
  36. physics

    A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball backwards with a speed of 20 m/s relative to the truck at an angle of 39° from a height of 1.4 m. Neglect air resistance. At what x

    asked by sandhu
  37. physics

    a piece pf ice floats in water.what will happen to the water level when the ice melts completely?

    asked by sanjeet
  38. physics

    a steel rod when measured with a zinc scale both being at 25 degree Celsius appear to be one meter long.if the zinc scale is correct at 0 degree Celsius, what is the actual length of the rod at 0 degree Celsius? [linear expansivity of steel=12*10^-6

    asked by sanjeet
  39. algebra

    (6*5)/3 is this a true sentence

    asked by j
  40. English, Scarlet Letter

    Heya, i am supposed to come up with a thesis for my scarlet letter essay that i am doing for my higher level english class, and i want to do it one the hypocrisy and how the church and the religious authority and beliefs characterize it throughout the

    asked by Anonymous
  41. Asia

    A BRIEF DESCRIPTION ABOUT ASIA.

    asked by ANAGHA
  42. math

    Sandra has 8 coins that equal 87 cents what coins does she have

    asked by McKenzie
  43. 8th grade

    advertising in arecent uear, outdoor advertisements amounted to 2.2% of all advertising dollars spent in the u.s. what fraction is this?

    asked by tong
  44. Chemistry

    What is the ionic equations for the following metals and aqueous substances? With the same equation what is being oxidize and what is being reduced? Zn + AgNO3 Zn + CuSO4 Zn + PbNO3 Mg + AgNO3 Mg + CuSO4 Mg + PbNO3 Cu + AgNO3

    asked by Jose-Ann
  45. economics

    Suppose the USA and Canada are considering to trade. Assume there are only two goods in the economy: wheat and corn. The table below illustrates what each country can produce in a given year. Wheat Corn USA 4 2 Canada 5 8 In this case, which country should

    asked by roxanne
  46. geometry

    what is the answer to this; Alvan said that if 2 triangles are not congruent, then at least one of the 3 sides of one triangle is not congruent to the corresponding side of the other triangle. do you agree with alvan? justify your answer.

    asked by liz
  47. Physics

    find the deceleration of a cyclist reduces from 2.5m/s to 1.0 m/s in 12s?

    asked by Kevin
  48. 12th Grade English

    We have to find the synonym of the word in bold. I have a few choices but I'm stuck between two.. The words in bold are incumbent upon the phrase reads: incumbent upon all officials Deciding to choose between a) the duty of b) the term of office of

    asked by Leanna
  49. organic chemistry

    Propose a mechanism for the acid catalyzed dehydration of 1,1-dimethyl propanal

    asked by Jada
  50. Chemistry

    There's Fe+3 + SCN- FeSCN+2 + heat then we add heat to it. Which way is it going to shift?

    asked by Brianna
  51. miccoeconomics

    you are a painter, and the price of a gallon of paint increases from $3.00 a gallon to $3.50 a gallon. your usage of paint drops from 35 gallons a month to 20 gallons a month. perform the following. compute the price elasticity of demand for paint and show

    asked by pam
  52. algebra word problems

    you have 95 coins that total $10.75. the coins consist of only quarters and nickels. how many of each coin do you have?

    asked by mike
  53. Chemisty

    Are the following isotonic, hypotonic or hypertonic. 1) H2O 2 0.9% NaCl (isotonic) 3) 10% glucose 4) 3% NaCl 5) 0.2% NaCl

    asked by Terry
  54. division

    What is 9,360 divided by 1/12 What is 29,400 divided by 1/12

    asked by Phyllis Jones
  55. Chemistry

    When a vehicle is parked in the sunlight on a hot summer day, the temperature inside can approach 55 deg C. one company has patented a non-CFC propelled aerosol that can be sprayed inside a vehicle to reduce the temperature to 25 deg C within seconds. the

    asked by Rayana
  56. statistics

    an experiment consists of 4 tosses of a coin.denoting the outcomes HHTH,THTT,..and assuming that all 16 outcomes are equally likely, find the probability distribution for the total number of heads.

    asked by ali
  57. math

    WHAT IS INTEGERS

    asked by ANAGHA
  58. algebra

    -3r+18=6r

    asked by ashley
  59. CHEM

    A mixture of n2 and o2 contains 2.7 grams of O2 and occupies 3.1 L at 28 degrees Celsius, 810 mmHg. how many grams of N2 are present?

    asked by MAX
  60. 6th grade Science

    How can you make an event chain concept map of the different levels of cell organizations from cell to organ system?

    asked by Wyeth
  61. Math

    An object is heated to 90 degrees Celcius and is then allowed to cool in a room whose air temperature is 25 degrees celcius. If the temperature of the object is 75 degrees celcius after 10 minutes, when will its temperature be 50 degrees celcius? I have no

    asked by Hannah
  62. College

    For college admissions it stated for SAT tests there are no score cutoffs for standardized tests. What does this mean? That if you score low it won't affect your acceptance?

    asked by Amy
  63. 12th Grade Vocabulary

    We have to pick which sentence the vocabulary word is used incorrectly. Vocab Word: Verity a) Many people trusted the VERITY of the accused spies Ethel and Julius Rosenberg, but the defendants were convicted and executed for espionage in 1953. b) Although

    asked by Leanna
  64. Math

    The area of a circular swimming pool is 225pi square meters. What is the circumference of the swimming pool? Leave your answer in terms of pi.

    asked by Miley
  65. algebra word problems

    1) tina has 48 mL of a solution that is 25% acid. how much water should she add to obtain a solution that is 15% acid? 2) how many grams of sugar must be added to 60 grams of a 32% solution to obtain a 50% solution?

    asked by mike
  66. physics

    find the force of a toy jeep if the mass is 50kg and is traveling at 4 m/s and the radius is 50 centimeter

    asked by Mary
  67. Physics

    which would take more force to stop? something 1.6 kgm/s or something 4 kgm/s?

    asked by Johnny
  68. chemistry

    determine the total amount of energy required to heat 25g of ice at -18 C to steam at 125 C

    asked by laura
  69. computer & computer knowledge

    how do I over beat a chatroom that has a digit restrainer(meaning it will only let you type a certain amount of words)

    asked by jack elvis
  70. math

    solve the given inequality and graph its solution on the number line 2-x/3less than or eqaul to (

    asked by mimz
  71. physics

    The coefficient of static friction between a block and a horizontal floor is 0.37, while the coefficient of kinetic friction is 0.10. The mass of the block is 3.8 kg and it is initially at rest. Once the block is sliding, if you keep pushing on it with the

    asked by anonymous
  72. Fine Art

    4. Which of the following has a surface covered with coffers? a. Bath b. Apse c. Dome d. Arch I know it's not A, but I'm not sure what it is. 9. The Hellenistic style was exemplified in a. Seated Boxer b. geometric cases c. Kouros d. Classical Not sure

    asked by mysterychicken
  73. Chem

    Calculate the number of grams in each of the following. (3 s.f.) 19. 0.550 mol Au ________________________

    asked by SAMM
  74. US history

    1. During Nixon's first term, it could be said that: A. the nation was completely at peace again. B. he was more successful in foreign policy than with domestic policy. C. he was generally more successful with domestic policy than with foreign policy. D.

    asked by anthony
  75. history

    What does Paine say to the Tories who stand in the way of Independence? Why did he believe it necessary to address part of his essay to them?

    asked by Kat
  76. PHYSICS

    (1 pt) An aricraft carrier has a mass of 8.9 x10^7kg and can cruise at 55 km/h. a) What is the work required to stop it? J b) What constant force could stop it in 6 km? N a) If only half of the work required to stop it is done, what is its final speed?

    asked by applebottom
  77. Math

    cent, cent, scent equals 35128; how do you solve it?

    asked by Emily
  78. Physics

    Hi I have a question in Physics A block with mass 50kg is held on a slope. Ù friction coefficient = 0.35 between the plane and the block .. Planets angle v with the horizontal is 25 degrees. How far will the block slide down the plane in 5 seconds after

    asked by Oddbjørn
  79. organic chemistry

    what product would you expect to obtain from addition of Cl2 to 1,2-dimethylcyclohexene?

    asked by Jada
  80. Early childhood

    what do you think of the concept of Sit and wacth and Time-out could you please give some examles and i you could say how it ralates to the developmental-behavioral approach.if someone could help me thank you this will elp me to understand the question a

    asked by Theresa
  81. Biomechanics

    A pitched ball with a mass of 1 kg reaches a catcher's glove traveling at a velocity of 28 m/s. How much momentum does the ball have? how much impulse is required to stop the ball? If the ball is in contact with the catcher's glove for 0.5 s during the

    asked by Walter
  82. 6th grade

    Each letter in each questio stands for a 1-digit number. in each question, no two letters maystand for the same number. Two separate problems are unrelated.Find a value for each letter MOON Use Numbers 4,7,5,6,2.8,9,3 x AT ____ ACROSS

    asked by melissa
  83. history

    What obstacles lay in the way of Southern industrialization after the Civil War?

    asked by sara
  84. algerba

    A person wins 500 points in a game. What is the corresponding number?

    asked by tom
  85. 7th grade Algebra

    A set of whole numbers contains 1, 3, 4, 5, 6, 11, and X. The mean and median of the set are the same, and the mean is equal to one of the six known numbers above. What is the value of X?

    asked by Kristy
  86. Verb tense

    Write five sentences abut the roleof education in successful financial planning, in which you correctly use a different verb tensein each sentence. Mark eah ver used in bold and in parentheses identify the specific tense used.

    asked by Carly
  87. statistics

    A normal population has a mean of 21 and a standard deviation of 5. Compute the z value associated with 24 What proportion of the population is between 21 and 24? What proportion of the population is less than 18?

    asked by Barbara
  88. foreign language(SPANISH)

    i need help to unscramble these spanish words!!! srate,qeroiu,vosa,risvait,rpracmo

    asked by Rudi
  89. Statistics

    The closing price of Schnur Sporting Goods, Inc., common stock is uniformly distributed between $17 and 35 per share. What is the probability that the stock price will be: More than $31? Less than or equal to $23?

    asked by Barbara
  90. economics

    What is the significance of this and what are the consquences. I don't understand the world of economics. Maybe a little help to get started. Thank you. Canacol Energy, an oil firm listed in Toronto and Bogota has a goal to increase its output to 35,000

    asked by Sarah
  91. Physics

    For a certain transverse wave, the distance between two successive crests is 3.11 m, and 5 crests pass a given point along the direction of travel every 12.16 s. Calculate the wave speed.

    asked by Brian
  92. Precalculus

    The volume V(t) of air (in cubic inches) in an adult's lungs t seconds after exhaling is approximately. (Do not use mixed numbers in your answer.) V(t)= 53+28.5sin(pie(t)/2-pie/2) (a) Find the maximum and minimum amount of air in the lungs. Maximum is

    asked by Max
  93. Precalculus

    1.Simplify the expression (sin x+cos x)^2 - sin2x 2.Determine the period, amplitude, and phase shift of f(x) = 2/3sin(4x+pie) Is the amplitude: 2/3, period: 2pie/4 phase shift: -pie/4

    asked by Max
  94. physics urgent helppp!!!

    A rocket of mass 4.50 105 kg is in flight. its thrust is directed at an angle of 49.0° above the horizontal and has a magnitude of 6.00 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the

    asked by hy
  95. Math

    A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?

    asked by Nina
  96. algebra

    A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?

    asked by Nina
  97. geology

    2 trees grew near one another and have the same growth succession but one is larger than the other. The rate of growth of a tree is based on moisture, sunlight, temperature, and nutritious soil. Which of the four factors above is the reason for the

    asked by m
  98. Spanish

    Cuándo se pone ustede el abrigo? What does this mean: is it "when do you put your coat on?" Then how am I supposed to answer? the question doesn't really make sense.

    asked by Amy
  99. English 12

    Yesterday, i posted a question about writing a thesis for Life of Pi. However i'm not sure how to develop a thesis from my topic. The topic of my essay is "Yann Martel's depiction on the role of setting in India and Canada". If anyone can kindly help me to

    asked by Andy
  100. Chemistry Help!!!

    What is the maximum number of electrons that can have n=4, mi= -1 in an atom? Also, explain how you got that answer. I am confused.

    asked by Elizabeth
  101. AP math 11 grade

    the charges for a phone call are $.52 for first min. and $.35 for each additional min. A)graph this step function for 6 minutes.Let x represent time, and f(x) the charge B) for the domain 0

    asked by sal
  102. physics

    What provides the force when a car makes a turn? (This is dealing with centripetal force)

    asked by Lola
  103. English

    Can you please check these sentences for me, please? I rephrased the beginning of "The talented Mr Ripley". 1)The scene is set at the seaside on a small motor boat. Dickie, the son of a millionaire, is excited at the idea of going for a ride offshore. 2)

    asked by Franco
  104. Chemistry Help

    Have the electrons been added to this diagram from lowest to highest energy states? Yes or No? Why? This is an orbital diagram: I don't have arrows so, < means up > means down

    asked by Sarah
  105. geology

    How old are the oldest meteorites yet studied and what is the minimum age of Earth since Earth is at least as old as the meteorites. We know the oldest meteorites contain equal amounts of uranium 238 and lead 206. Uranium 238 has a half life of 4.5 billion

    asked by m
  106. Math

    Suppose human activity has caused a 0.1 Fahrenheit increase in global temperatures so far, and that this sift will grow exponentially with a doubling time of 10 years. a. How much will temperatures have risen 50 years from now? b. A politician suggests

    asked by Priya
  107. Physic-Please help

    Which of the following confirms that gravitational mass and inertial mass are equal? 1.Free-fall accleration is the same throughout the universe 2.Free fall acceleration is the same at all points where the gravitational field stength is the same 3.Newton's

    asked by Annie
  108. algebra2

    y varies directly as the square of x. When x = 2, y = 40. Find x when y = 640.

    asked by Rayniya
  109. chem

    write a balanced equation for:Gaseous carbon dioxide and liquid water react to produce aqueous glucose (C6H12O6) and oxygen gas. I try but everytime i change the coefficient it makes the other elements unbalanced. the starting formula i got was: CO2(g) +

    asked by hannah
  110. algebra2

    What is the standard form equation of the line passing through (–2, 8) with a slope of 2?

    asked by Rayniya
  111. algebra2

    What is the equation of the line passing through (0, 2) and perpendicular to the line y = 4x – 3 in slope-intercept form?

    asked by Rayniya
  112. algebra2

    What is the equation of the line passing through (1, 7) and parallel to the line y = –x + 5 in standard form?

    asked by Rayniya
  113. algebra2

    To which graph does the point (–1, 3) belong?

    asked by Rayniya
  114. algebra2

    What is the vertex of the graph of y = |–x + 4| + 1?

    asked by Rayniya
  115. algebra2

    Solve P = 2w + h for h.

    asked by Rayniya
  116. algebra2

    What is the equation of a vertical line passing through the point (3, –5)?

    asked by Rayniya
  117. algebra2

    Solve x – 2y = 4 for y.

    asked by Rayniya
  118. algebra2

    What is the solution set for |–2x + 16| – 9 = –3

    asked by Rayniya
  119. algebra2

    What is the equation in point-slope form of the line passing through (0, 5) and (–2, 11)?

    asked by Rayniya
  120. Physics

    A microphone has an area of 3.8 cm2. It receives during a 2.87 s time period a sound energy of 4.2x10-11 J. What is the intensity of the sound?

    asked by Mike
  121. algebra2

    What are the solution intervals for |2x – 1| + 6 > 9?

    asked by Rayniya
  122. algebra2

    On the graph of the equation 8x – 3y = 24, what is the value of the y-intercept?

    asked by Rayniya
  123. algebra2

    y varies jointly with p and q. When p = 12 and q = 4, y = 144. Find y when p = 10 and q = 6.

    asked by Rayniya
  124. algebra2

    What is the slope of the line that passes through (2, 12) and (4, 20)?

    asked by Rayniya
  125. Origami Sites

    Hi. I can't find any origami sites to make easy Christmas presents. Can anyone help me! Thanks, Erin

    asked by Erin
  126. Research

    Sociological research can be a difficult procedure what are some of the problems or concerns that need to be dealt with?

    asked by Blaze
  127. Chemistry Help

    The orbital diagram shown here has some mistakes in it. Indicate which of the following rules and principles were not observed when this diagram was constructed. Select all that apply. 1. aufbau principle 2. Pauli exclusion principle 3. Hund's rule This is

    asked by Sarah
  128. Physics

    If I'm driving a car and I make a turn to the right, what will happen to a bag of items that is sitting next to me in the car-in terms of inertia, friction and centripetal force I think they will fall the opposite direction but why?

    asked by Jacob
  129. algebra 2

    how do u do synthetic division with the problem: (x^5-7x^3+x+1)/ x+3

    asked by monique n.
  130. Economics help

    Article dealing with monopoly power, either regulated or illegal attempts at monopolization.

    asked by joe
  131. History

    Excuse me, but I need help in finding what Thomas Jefferson and Benjamin Franklin did to help the American Revolutionary War. Please, Lilly Social Studies P.S. Thank you.

    asked by Lilly Social Studies
  132. Fine Art

    28. Describe some of the different features architects used in the Colosseum that made it so unique. I need help answering this. Thanks! -MC

    asked by mysterychicken
  133. COLLEGE

    an you please tell me if this passage is correct? I am looking for 20 grammatical errors, comma(six); capitalization(six); question marks,apostrophes, and quotation marks(five); colons,semi-colon and common misused words(three) Why are great numbers of

    asked by Queen
  134. poetry

    What's the paraphrasing of "If you can bear to hear the truth you've spoken Twisted by knaves to make a trap for fools, Or watch the things you gave your life to, broken, And stoop and build 'em up with worn-out tools"

    asked by Jen
  135. statistics

    Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,225 per hour and a standard deviation of $220. What is the operating cost for the lowest 5 percent of the airplanes?

    asked by Barbara
  136. physics

    A crate of mass 20 kg is pushed up a frictionless ramp by a person as shown in the figure below. Calculate the work done by the person in pushing the crate a distance of 15 m as measured along the ramp. Assume the crate moves at a constant velocity.

    asked by Warren
  137. grammar

    Wondering if I have correctly identified each verb in the following sentences: The role of education plays (simple present) a major role in successful financial planning. My Personal Finance class is helping (progressive present) me to learn how to budget

    asked by Karen
  138. 8th grade science

    When forces are ______ they are equal and opposite and their is ________ ___________.

    asked by lexus
  139. hcr220 college

    I am confused with what they are wanting me to do. It says write a 1500 to 1750 word essay in which you discuss implications of both forms of the patient's diseases, HIV and AIDS, from the perspective of HIPAA confidentiality. I am confused on what

    asked by kristina
  140. Chemistry

    How many grams of ice at -26.5\, ^\circ C can be completely converted to liquid at 15.0\, ^\circ C if the available heat for this process is 4.50×103 kJ? For ice, use a specific heat of 2.01J/(g\cdot{ ^\circ C}) and H2 = 6.01 kJ/mol.

    asked by Bella
  141. Chemistry

    Please let me know how you would approach the gas law problem. Here goes: If the pressure exerted on the gas in a weather ballon decreases from 1.01 atm to 0.562 atm as it rises. By what factor will the volume of the gas in the ballon increase as it rises?

    asked by Cliff
  142. Reimbursement Methodologies

    List some of the risk areas that can be identified through the auditing process.

    asked by Maryana
  143. physics

    Set a frictionless incline at various measured angles then determine the acceleration of a block by measuring the time it takes to increase from an initial speed to a final speed.If the angle is 20 and the initial speed is 0.68m/s and final speed is

    asked by Trista
  144. business

    You are a technical writer in a large company who is working on a training manual to help new users learn the company's computer system. Employees will use your manual in training seminars taught by your company's trainers. The manual will also serve as an

    asked by Anonymous
  145. Reimbursement Methodologies

    You work in a physicians office performing billing. You notice that the guidelines haven't been followed accurately in completing the claim form. What will happen if you don't correct the claim form ?

    asked by Maryana
  146. Math

    What is the most precise name for each space figure that has the given properties. 1. four lateral faces that are triangles? 2. three lateral faces that are rectangles? 3.a lateral surface and one circular base?

    asked by Edith
  147. Reimbursement Methodologies

    Mary was recieving Medicaid in Texas. When she moves to California can Mary assume that she will receive the same coverage there ?

    asked by Maryana
  148. PHYSICS

    What is the reaction effect of the following action effects? a) Earth orbits the sun b) Ball accelerates downward Thank YOu.

    asked by JJ
  149. computer programming

    Write a program that simulates the dial of a phone number. The program will input a phone number and the program will acknowledge the call by either writing an error message or the 8 digit phone number to the console window. The phone number may have

    asked by Jeffry
  150. Physics - Springs

    a 10.0 g bullet is fired into a 1.0 kg block initially at rest on a rough surface and connected to a spring with k = 200 N/m. Immediately following the collision the block has a speed of 2.0 m/s. The coefficient of friction between the ground and the block

    asked by Anonymous
  151. Physics

    An airplane flies due north at 160 km/h with respect to the air. There is a wind blowing at 80 km/h to the east relative to the ground. What is the plane's speed relative to the ground?

    asked by Daniel
  152. physics

    what impulse is needed to stop a 45 g mass traveling at 42 m/s?

    asked by Jenn
  153. Physics

    A 50.0g Bullet traveling horizontally at 200.0 m/s embeds itself in a much more massive wooden block initially at rest on a horizontal surface (μ=0.10) The block then slides 1.2m toward an ideal spring and collides with it. The block compresses the spring

    asked by Alexander
  154. Physics

    I have no idea how to do this.

    asked by Alexander
  155. physics

    A 70 kg man jumps 1.00m down onto a concrete walkway. His downward motion stops in .02 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?

    asked by nina
  156. UOP

    The final project for HSM 240 is a 1,750- to 2,100-word proposal paper on a social program that you create. Pretend that you have the power and capacity to create an agency or organization and decide to create a new social program. You need funding and

    asked by Tina
  157. Reimbursement Methodologies

    Explain why the lack of Universal Health Care Coverage can raise health care costs. Thank you Ms. Sue for your previous help....

    asked by Maryana
  158. Radical Expressions

    How do you do radical expressions? Square root of 72. Cube root of 54. Fourth root of 96.

    asked by Mary
  159. 3rd grade

    Name all the arrays you can manke with each set of tiles 8 tiles, 9 tiles, and 16 tiles

    asked by Emma
  160. Physics

    The motion of a particle connected to a spring is described by x=10cos(πt). At what time (in s) is the potential energy equal to the kinetic energy?

    asked by Jesse
  161. Math

    What is the most precise name for each space figure that has the given properties. 1. four lateral faces that are triangles? 2. three lateral faces that are rectangles? 3.a lateral surface and one circular base?

    asked by Edith
  162. Physics-Please check

    Which of the following confirms that gravitational mass and inertial mass are equal? I posted this about three hours ago and no one answered it so I'm hoping someone can look at my answer and direct me 1.Free-fall accleration is the same throughout the

    asked by Annie
  163. accounting I

    What would be the journal entry to record: Sept 28, 2009 A dividend was declared, which they intend to pay at $0.10 per share by the end of the year. The company has 25,000 shares of capital stock

    asked by Johsua
  164. Physics-HELP PLEASE

    If I'm driving a car and I make a turn to the right, what will happen to a bag of items that is sitting next to me in the car-in terms of inertia, friction and centripetal force I think they will fall the opposite direction but we just started this unit

    asked by Jacob
  165. Math

    when two fair dice are rolled find the probability that the sum is even and greater than 8

    asked by Barbara
  166. Math

    An object is heated to 90 degrees Celcius and is then allowed to cool in a room whose air temperature is 25 degrees celcius. If the temperature of the object is 75 degrees celcius after 10 minutes, when will its temperature be 50 degrees celcius? I have no

    asked by Hannah
  167. physics

    A constant force of 48.7 N, directed at 34.1° from horizontal, pulls a mass of 15.1 kg horizontally a distance of 2.77 m. Calculate the work done by the force.

    asked by help
  168. accounting I

    I have to journalize the following entry for Sir-Rents-A-Lot: Sept 29, 2009 A child was slightly injured when he fell off of the front-end loader that was rented to Landscrapers Inc. The child is the only son of a lawyer and an orthopedic surgeon. They

    asked by Johsua
  169. statistics

    Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b.Relative frequency of scores less than 120

    asked by TAW
  170. math

    The result of reflecting across the line y=-x and then rotating 330 degrees counterclockwise around the origin is an isometry T. Represent T by a 2x2 matrix. Could someone explain how to do this?

    asked by caroline
  171. Chemisty

    Which solution contains more acid, 50ml of a 0.20 N HCL solution or 50 ml of a 0.20 N acetic acid solution? Which has a higher hydronium ion concentration? Which has a lower pH?

    asked by Terry
  172. Reimbursement Methodologies

    Why did the Centers for Medicare and Medicaid Services implement the National Correct Coding Initiative in 1996 ?

    asked by Maryana
  173. PLEASE HELP. physics

    A .25 kg skeet is fired at an angle of 30 degrees to the horizon with a speed of 30 m/s, When it reaches the maximum height, a 15 g pellet hits it from below. Before the collision, the pellet was traveling vertically upward at a speed of 200 m/s Embedded

    asked by caroline
  174. accounting I

    For the following entry, should I journalize that entry on the purchased date or on Oct. 1st? Sept 29, 2009 Purchased a one-year public liability insurance policy for $5,000. The policy becomes effective at 12:01 a.m. October 1, 2009.

    asked by Johsua
  175. chem repost

    write a balanced equation for:Gaseous carbon dioxide and liquid water react to produce aqueous glucose (C6H12O6) and oxygen gas. I try but everytime i change the coefficient it makes the other elements unbalanced. the starting formula i got was: CO2(g) +

    asked by hannah
  176. physics

    Graphically solve for the WORK done if F= 40N @ 30 degrees and d= 12 @ 0 degrees.

    asked by russell
  177. Chemistry

    Sodium oxide, reacts with water to give NaOH. A) Write a balance equation? B)What is the pH of the solution prepared by allowing 1.55 g of Na2O to react with 500.0 ml of water? (assume there is no volume change) C) How many milliliters of 0.0100M HCL are

    asked by Ann
  178. physics

    a 60 kilogram student sitting on a hardwood floor accelerates at 1.3 meters per second squared when pulled by a 240 newton horizontal force. what is the coefficient of friction between the student and the floor?

    asked by bob
  179. Physics

    A microphone has an area of 3.8 cm2. It receives during a 2.87 s time period a sound energy of 4.2x10-11 J. What is the intensity of the sound?

    asked by Mike
  180. psychology

    habitually listening to loud music through headphones can result in loss of hearing in what part of the ear?

    asked by olive
  181. STATISTICS

    A bank officer wants to determine the amount of the average total monthly deposits per customer at the bank. He believes an estimate of this average using a confidence interval is sufficient. a) How large a sample should he take to be within $200 of the

    asked by Jing Sun Q.
  182. physics

    A braking force is applied to a 300-kg motorcycle to reduce its speed from 20.0m/s to 16.0m/s in 10.0s. Find the braking force.

    asked by kevin Chen
  183. Chemistry

    How to find the coefficient of Fe^2+ from ClO3^- + Fe^2+ --> Cl^- + Fe^3+

    asked by Jane
  184. Physics

    A car moving at 8 m/s crashes into a barrier and stops in 0.050 s. There is a 19-kg child in the car. Assume that the child's velocity is changed by the same amount as that of the car, and in the same time period. (a) What is the impulse needed to stop the

    asked by Preston
  185. US history

    1. The staff of President Nixon: A. demonstrated how much the government had grown in the previous fifty years. B. was not as large as it should have been, but it allowed Nixon to exert as much control over each person as possible. C. was generally a group

    asked by anthony
  186. Algebra

    1. LCM of 15x^7 and 45x^7 2. Marla can shovel the driveway in 60min and Bill can do it in 45min how long would it take them to do the job together? 3. Divide and simplify: x^2-4/x divided by x+2/x+8 4. add and simplify: 5/49z^3 + 1/35z^2 5. simplify by

    asked by Anonymous
  187. English

    Thank you very much for your corrections. Here are some more sentences for you to check. 1)The narrator is the voice who tells the story and from whose point of view the story is told. 2)He may be internal to the story, that is, a character in the story,

    asked by Franco
  188. AP Physics

    Find the scalar product of the vectors in Figure P7.8, where è = 117° and F = 31.0 N. y | | ___| Unk Angle----> / | -------\--------------x starts@O-----> / /| / / /_|/

    asked by Sierra
  189. Algebra

    1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if possible v-5/v - 7v-31/11v 3. Simplify by removing factors of 1 r^2-81/(r+9)^2 4. Divide and simplify v^2-16/25v+100 divided by v-4/20 5. find all rational numbers for which the rational

    asked by Anonymous
  190. Math

    It takes one hour longer to fly to St. paul at 200 miles per hour than it does to return at 250 miles per hour. How far away is St. Paul?

    asked by Michael
  191. algebra

    A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 9-4/4 = 13/3 simplify by removing factors of 1 :

    asked by Anonymous
  192. Physics

    I am doing an assignment where I need to find an example of a spring that is used in a common device. Is a phone chord considered a spring? Thanks for your help.

    asked by Kate
  193. calculus

    differentiate: y = 2x/1 - 3x^2

    asked by Jazmin
  194. English

    I forgot to include the following statements. I really hope you can have a look at them, too. Thank you very much in advance. 1)The third-person narrator is a narrator who stands outside the story and uses the third person voice to refer to the characters.

    asked by Franco
  195. Algebra 1

    The world record for the mile was 4:10 and 3:49 in 1975. Assuming that the record improves in a linear fashion (which it has so far) write an equation to predict the mile world record (in seconds) for a given year (y=record in seconds, x=year) What should

    asked by Nikki
  196. Genetics

    Quick question: which methods can be used to get DNA into cells? you can choose more than 1 answer A: Apply a high voltage B: Shoot DNA into the cells C: Infect with viruses D: Inject with a needle E: All of the above F: None of the above Is it all of the

    asked by Lauren
  197. science

    can a color blind female have a son that has normal vision? color blindness is caused by a sex linked recessive allele. N=normal vision n=color blind

    asked by jack
  198. Chemistry

    Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602 multiplied by 10-19 J). What is the frequency (in Hz) and the wavelength (in m) of this gamma ray?

    asked by Rachel
  199. chemisrty

    Nitric acid,HNO3, is available ata a concentration of 16 M. how much would react with 5.58 g of KOH acording to the following equation? HNO3+KOH-H2O+KNO3

    asked by nicole
  200. chemistry

    I fyou had only 12g of KOH remaining in a bottle, how many ml of 12.8%(w/v) solution could you prepare? (in mL) How many ml of 0.29 M solution could you prepare using 12 g of KOH?

    asked by nicole
  201. PHYSICS

    What is the reaction effect of the following action effects? a) Earth orbits the sun b) Ball accelerates downward Thank YOu.

    asked by JJ
  202. physics

    If the ball is released from rest at a height of 0.64 m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track?Assume the ball is a solid sphere of radius 4.0 cm and mass 0.14 kg

    asked by Sarah
  203. AP Physics

    Hi! Thank you very much-- I know this is a 2dimensional inelastic collision but i'm not sure how to solve-- "The mass of a blue block is 20% greater than the mass of the green block. Before colliding, the blocks approach each ther with momenta of equal

    asked by APpreciative student
  204. Algebra

    Show that two WRONG's can make a RIGHT. Replace each different letter in the addition problem with a different digit. It is required that O=zero.

    asked by Rachel
  205. algebra

    how do you solve (f+g)(3) let f(x) = x2-2x and g(x)= x-5

    asked by jessica
  206. social studies

    why did the Pilgrims sailed to amreica

    asked by wayne
  207. chemistry help

    Nitric acid,HNO3, is available ata a concentration of 16 M. how much would react with 5.58 g of KOH acording to the following equation? HNO3+KOH-H2O+KNO3 dont understand? does not give me a volume amount to work with and I really don't understand how to

    asked by nicole
  208. English

    I'd just like to know which would be the most suitable pronoun to be used in the following sentence. 1) The choice of this narrator can have the following functions. First, that of bringing the reader close to the feelings of the narrator. 2) Second, it

    asked by Franco
  209. programing

    small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,

    asked by Anthony
  210. acid and base titrations

    what is the pH of a solution prepared by adding 0.50 mol KOH to 1.0 L of 0.30 M HNO3?

    asked by jj reddick
  211. AP Physics

    there are two vectors in quadrant three one with a magnitude of 31.0N and has a direction of 117degrees in the negative direction from the x axis the other has an unknown magnitude and unkown theta in the positive direction starting from 90 degrees Find

    asked by Sierra
  212. college physics

    A mass of 1 kg is hanging from a spring with a spring constant of 3 N/m. At a distance of 0.2 m below the equilibrium it has a velocity of 1 m/s in the upward direction. What is the amplitude of the oscillation?

    asked by Molly
  213. physics

    What is the acceleration of a 23 kg pail of cement that is pulled upward (not sideways!) with a force of 300 N?

    asked by confused
  214. Reimbursement Methodologies

    Your reviewing reimbursement for a medical surgical craniotomy case. The case falls into DRG 1,which has a relative weight of 3,0970 and a geometric mean length of stay of 6.3. The hospitals current reimbursement rate is $1,500. Calculate the DRG

    asked by Maryana PLEASE HELP
  215. college

    Explain how the U.S. became involved in the politics of Southeast Asia

    asked by richelle
  216. Algebra

    how would I find the domain and range without a graph for this : x^2 - 1

    asked by Amy
  217. MATH

    what would be the space figure of a shoe box?

    asked by Edith
  218. science

    geologists determine a rocks relative age and....?

    asked by kayla
  219. College physics

    A toddler is on a playground swing. When she is right in the middle going forward (to the right), then ... a).her tangential acceleration is maximal to the right. b) her tangential acceleration is zero. c) her tangential acceleration is maximal to the

    asked by Paige
  220. Physics

    A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of 9.80 10-23 kg·m/s, and 5.80 10-23 kg·m/s, respectively. What is the magnitude and direction

    asked by Joe
  221. Chem 1010

    What will happen to 42 g of KCl solution per 100 g of water when cooled from 60 degrees Celsius to 0 degrees Celsius?

    asked by Jen
  222. Calculus 1 Implicit differentiation

    Help please help me understand what i am doing wrong in this problem! x^3+3x^2y+y^3=8 find dy/dx using implict differentiation. The answer is x^2+2xy -------- but i keep getting x^2y x^2+y^2 ----- x^2+y^2

    asked by jahil
  223. Algebra

    Another question about domains and range how would I find the range of (3x-4)/(6x-1) ? Without using a graph the domain is x can't be 1/6 What is the range?

    asked by Amy
  224. MATH

    Would a lateral surface and once circular base be a cone?

    asked by Edith
  225. Calculus 1 Related Rates

    Water is discharged from a pipeline at a velocity v(in ft/sec) given by v=1240p^(1/2), where p is the pressure (in psi). I f the water pressure is changing at a rate of 0.406 psi/sec, find the acceleration(dv/dt) of the water when p=33.0 psi. I know the

    asked by jahil
  226. chemistry

    How many moles of H2 are in a beaker of 60ml of 2HCL?

    asked by Anonymous
  227. algebra

    How do I write the equation of a line in STANDARD FORM, when it contains (-2,1) & (1,4) ?

    asked by Nicole
  228. writting

    this is a weird question but i need help on writting a conclusion about the color blue?

    asked by kathy
  229. Physics

    A bullet of mass 5.15 g is fired horizontally into a 2.74 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.185. The bullet comes to rest in the block, which moves 1.84 m. (a) What is the

    asked by confused
  230. social studies

    what did thomas jefferson and benedict arnold have to do with the Revolutionary War?

    asked by Lyra
  231. finance mortgage payment

    Purchase a home for $160,000. I intend to put down 20% and finance the remainder over 15 years at 6 3/8% interest. If my taxes & insurance totals $3,600 per year, how much will my total monthly payment be?

    asked by allen
  232. MATH

    What is the sapce figure that has three lateral faces that are rectangulars?

    asked by Edith
  233. Economics

    What is the significance of this and what are the consquences. I don't understand the world of economics. Maybe a little help to get started. Thank you. Canacol Energy, an oil firm listed in Toronto and Bogota has a goal to increase its output to 35,000

    asked by Sarah
  234. hum 205

    need help w the human experience assignment

    asked by scott
  235. Physics

    A bathysphere used for deep sea exploration has a radius of 1.50 m and a mass of 1.20 × 104 kg. In order to dive, the sphere takes on mass in the form of sea water. a) Determine the mass the bathysphere must take on so that it can descend at a constant

    asked by Sydney
  236. MATH

    What is the sapce figure that has three lateral faces that are rectangles?

    asked by Edith
  237. chemistry

    calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=5 to n=1 how do I do this?

    asked by Lisa
  238. english

    I am going to write about Somali pirates and I need help with writing my essay. I want to start with Anecdote and I don't know how to start. I am not for Somali pirates but I just think that justice is not being servered. this is little background about

    asked by Jackie
  239. algebra

    a commerical jet and a private plane leave the same airport at the same time traveling in opposite directions at average speeds of 880km/h and 450km/h respectively. in how many minutes will they be 1463 km apart.

    asked by amelia
  240. Math

    The range of 105,100,79,86,101,94,98,87, and 83 is ?

    asked by Maryana
  241. Algebra

    How do I write the equation of the line in standard form given this info: Perpendicular to 3x - 1y = 4 with an x-intercept of 12 ? Thanks! :)

    asked by Nicole
  242. Physics

    what is the variation of pressure in the sound wave if the sound intensity is 3.85x10^-8 W/m^2, the speed of sound is 343 m/s and the density of air is 1.2 kg/m3?

    asked by Mike
  243. chem class

    What is the pH of an aqueous solution at 25.0 °C that contains 3.98 × 10-9 M hydroxide ion? i posted this before and i tried solving it but i get it wrong 14 = ph + - log (3.98 × 10-9) 14- 8.4 = ph 5.6 = ph but the correct answer is 8.400 what did i do

    asked by jessie
  244. Math

    A home is assessed at $70,000. The tax rate is 6.15 mills. What is the tax on the home ?

    asked by Maryana
  245. chemistry

    I am having a ton of trouble with this lab question, I do not understand it at all. The question is: Show how the rate of reaction in reciprocal seconds was calculated for the mixture in question 1, using the class average. The mixture in question one is:

    asked by blue fire
  246. Question

    What does this mean? Chilean, Colombian, and Peruvian stock exchanges integrate to create Latin America's largest stock exchange in terms of companies listed and the second largest by market capitalization

    asked by Sarah
  247. Banking

    What is the bottom line on an income statement ? A. The gross margin B. The final sales C. The total operating expences D. The net income (or loss)

    asked by Linda
  248. Math

    The hiking club hiked to a park at 4mph. They got a ride back to town in a truck that went 20mph. If the round trip took 18 hours, how far was it from town to the park?

    asked by Julie
  249. Physics

    Suppose that high-speed stroboscopic photographs show that the 200-g head of a golf club travels at 51 m/s just before it strikes a 50-g golf ball initially at rest on a tee. If the club head slows to at 36 m/s (in the same direction) after the collision,

    asked by help!
  250. PHYSiCS --

    A pendulum makes 120 complete oscillations in 3.00 minutes at a location where g= 9.98m/s^2 Find the period of the period Find the length I tried using the 2pi sqrt. L/g formula I don't know why I got this huge number

    asked by Reema
  251. Math

    The acid test ratio does NOT include A. cash B. accounts receivable C. supplies D. inventory

    asked by Math Question
  252. inequalities graph

    2x+y0

    asked by alfreda
  253. english

    I have to write a paragraph which sustains an ironic tone. I have two thesis that I want to write about. (1)Being organized shows a lack of creativity. (2) Reading is a waste of time. I want to write about the first one. Please tell me a way to write about

    asked by Maria
  254. Math

    How long will it take for an investment to double in value if it earns 9.5% compounded continuously?

    asked by Sarah
  255. math

    A circular racetrack has a diameter of 200 meters. What is the approximate distance a car travels in meters for three full revolutions around the track? use 3.14 for pie.

    asked by Abby
  256. earth

    The Earth orbits the Sun once every 365 days. The distance between the Earth and the Sun is 1.5 x 1011 m. What is the average orbital velocity of the Earth as it travels around the Sun?

    asked by Anonymous
  257. math

    two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular

    asked by karla
  258. Organic Chemistry

    A student wanted to synthesize the anesthetic 2-ethoxy-2-methylpropane. She used ethoxide ion and 2-chloro-2-methylpropane for the synthesis and ended up with little of the desired product. Why? What major product did she obtain? What reagents should she

    asked by Sierra
  259. Statistics

    Let p1 represent the population proportion of U.S. Senate and Congress (House of Representatives) democrats who are in favor of a new modest tax on "junk food". Let p2 represent the population proportion of U.S. Senate and Congress (House of

    asked by Ben
  260. Statistics

    Let p1 represent the population proportion of U.S. Senate and Congress (House of Representatives) democrats who are in favor of a new modest tax on "junk food". Let p2 represent the population proportion of U.S. Senate and Congress (House of

    asked by Ben
  261. Math

    Are the following fractions equivalent? justify your answer 18/24 9/12 15/20 6/9

    asked by Bob
  262. One time business investment

    Bobbie Rae is lending Tommy Lee $4,500 to open up a bait shop at one of the nearby lakes. Tommy Lee says he will repay Bobbie Rae at the end of 4 years with 7% interest compounded quarterly. How much will Bobbie Rae receive at the end of the 4 years? Hint:

    asked by allen
  263. Calculus

    Calculate the volume of the ramp in Figure 17 in three ways by integrating the area of the cross sections: (a) Perpendicular to the x-axis (rectangles) (b) Perpendicular to the y-axis (triangles) (c) Perpendicular to the z-axis (rectangles)

    asked by Jack
  264. physics

    A 2.20 kg box slides down a rough incline plane from a height h of 1.39 m. The box had a speed of 2.77 m/s at the top and a speed of 2.34 m/s at the bottom. Calculate the mechanical energy lost due to friction

    asked by help
  265. Earth Science

    Lower case letters that come after the capital letter(s), e.g., KJk, labeling a rock unit represent the rock unit's _

    asked by Jessenia
  266. Physics

    Suppose that high-speed stroboscopic photographs show that the 200-g head of a golf club travels at 51 m/s just before it strikes a 50-g golf ball initially at rest on a tee. If the club head slows to at 36 m/s (in the same direction) after the collision,

    asked by help!
  267. physics

    what is the variation of pressure in the sound wave if the sound intensity is 3.85x10^-8 W/m^2, the speed of sound is 343 m/s and the density of air is 1.2 kg/m3?

    asked by Mike
  268. physics

    A 1.0 m cubed object floats in fresh water with 20% of it above the waterline. What does the object weigh out of the water?

    asked by Jack
  269. Statistics

    a roulette wheel has 40 slots evenly divided between red (even) and green (odd) slots totaling 38 and a "0" and a "00". what is the probability of the ball landing in an: A)even number < 10 B) other than an even or odd number C) odd number > 15 D) even

    asked by kristina
  270. math

    donna runs 7 miles in 75 minutes. At the same rat, how many miles would she run in 45 minutes?

    asked by lisa
  271. Compounded Interest

    ) An investment of $37,000 was deposited in the bank. Interest was computed on a semiannual basis and was kept there for 10 years. If the maturity value of this investment is $74,000, at what interest rate was it invested?

    asked by Anonymous
  272. Finance

    An investment has grown to $89,000 over a 6-year period. The interest was computed daily and the rate was 7 3/8% per year. What was the original investment?

    asked by Anonymous
  273. chemistry

    i think I am not doing this part right (1/n5^2 - 1/n1^2)

    asked by Lisa
  274. Math

    Mr. Frost is painting his garage, which has a surface area of 500 square feet. He has 1 3/4 gallons of paint. If one gallon of paint covers 150 square feet, how much more paint must Mr. Frost buy? Show your work. Please help.

    asked by Hayley
  275. O.Chem

    Only a substitution product is obtained when the compound 1-bromo-2,6-dimethylcyclohexane is treated with sodium methoxide. Draw the substitution product and explain why an elimination product is not obtained.

    asked by Lily
  276. Math

    Calculate the volume of the ramp in Figure 17 in three ways by integrating the area of the cross sections: (a) Perpendicular to the x-axis (rectangles) (b) Perpendicular to the y-axis (triangles) (c) Perpendicular to the z-axis (rectangles)

    asked by Jack
  277. English

    Thought to be _______, the criminal was sentenced to life without parole. 1.blasphemous 2.heretic 3.incorrigible

    asked by Bob
  278. math

    two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular

    asked by karla
  279. L.A

    1.The long-distance swimmer had a sense of ____________. A.Engaging B.Perseverance C.Potential D.Rendition ( Would the correct choice be perseverance?) Thanks

    asked by Shadow
  280. statistics

    hi, how would i calculate the standard deviation of the following sampling distribution of means. apparently this is the longhanded way of calculating standard error. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 (2, 2) ... 2 (2, 3)

    asked by ash
  281. Algebra

    Can someone help me ??? Use a commutative law to find an equivalent expression of 7=rs

    asked by TRACY
  282. Physics

    Object A has mass mA = 9 kg and initial momentum A,i = < 19, -7, 0 > kg · m/s, just before it strikes object B, which has mass mB = 12 kg. Just before the collision object B has initial momentum B,i = < 5, 6, 0 > kg · m/s. Consider a system consisting of

    asked by What does this even mean!?
  283. math

    hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for

    asked by ash
  284. Statistics

    hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for

    asked by ash
  285. Finance

    Calculate the simple interest and maturity value. Principle $16,000 Interest Rate 4% Time 18 mnths

    asked by Anonymous
  286. English

    If the king fails to QUASH the rebel forces, they will... what could i write to finish the sentence?

    asked by Bob
  287. algebra

    A contagious disease is infecting residents of a town of 7,300 residents. The number of residents infected t days after the disease has begun is given by the function f(t)= 7300/1+500e-0.5t How many residents are infected with the disease after 6 days?

    asked by joyce
  288. Physics

    An 8.00 g bullet is fired into a 250 g block that is initially at rest at the edge of a table of 1.00 m height (Fig. P6.26). The bullet remains in the block, and after the impact the block lands 2.00 m from the bottom of the table. Determine the initial

    asked by having trouble
  289. Math

    A wooden artifact from an ancient tomb contains 70% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest whole number.) And.... An infectious

    asked by Tarah
  290. English

    With the election so near, the mayor became RETICENT about..... what could i write to finish the sentence?

    asked by Bob
  291. English

    Ske[tics argued that the noss's UNORTHODOX management style would...

    asked by Bob
  292. Physics

    Suppose a spacecraft of rest mass 34000 kg is accelerated to 0.206c. How much kinetic energy would it have? If you used the classical formula for KE, by what percentage would you be in error? Do not enter units.

    asked by VJC
  293. English

    Skeptics argued that the boss's UNORTHODOX management style would... im not sure how to! I know that unorthodox means disregarding or defying traditions or standards

    asked by Bob
  294. finance

    The banks offers a rate of 8 1/4 percent with a 20percentcompensating balance requirement, or as an alternative, 9 3/4 percent with additional fees of 5,500 to cover services the bank is providing. In either case the rate on the loan is floating ( changes

    asked by butterfly
  295. CHEMISTRY

    For the reaction 3 O2(g) reverse reaction arrow 2 O3(g) If the equilibrium mixture is analyzed and [O2(g)] is found to be 3.77*10-2 M, what is the concentration of O3(g) in the mixture?

    asked by Jane
  296. Physics

    A cylinder with a valve at the bottom is filled with an ideal gas. The valve is now opened and some of the gas escapes slowly. The valve is then closed, after which the piston is observed to be at a lower position. Assume that the system is in thermal

    asked by Carl
  297. physics

    An alpha particle collides with an oxygen nucleus, initially at rest. The alpha particle is scattered at an angle of 60.9° above its initial direction of motion, and the oxygen nucleus recoils at an angle of 51.9° on the opposite side of that initial

    asked by siera
  298. CHEMISTRY

    I am having a ton of trouble with this lab question, I do not understand it at all. The question is: Show how the rate of reaction in reciprocal seconds was calculated for the mixture in question 1, using the class average. The mixture in question one is:

    asked by blue fire
  299. English

    How to be a good poet

    asked by Mary
  300. physics

    In a crash test, a truck with mass 2600 kg traveling at 24 m/s smashes head-on into a concrete wall without rebounding. The front end crumples so much that the truck is 0.66 m shorter than before. What is the average speed of the truck during the collision

    asked by Confused again
  301. physical science

    how much work is done on a 100kg crate that is hoisted 4 m in a time of 4 seconds

    asked by crystal
  302. physics

    wo fan carts with different fan speeds and different accelerations are started from rest some distance from one another. Cart A begins at position 0 with a velocity of zero and an acceleration of aA to the right. Cart B begins at position xB with a

    asked by cherin
  303. physical science

    how much power is required to lift the crate

    asked by crystal
  304. 10th grade - chemistry

    what is 670.8/1000000000 and then what is 3.0 * 10 to the 8th power divided by the top answer ...

    asked by yessi
  305. Chemistry

    Teeth and bones are composed, to a first approximation, of calcium phosphate, Ca3(PO4)2(s). The Ksp for this salt is 1.3*10^-32 at 25°C. Calculate the concentration of calcium ion in a saturated solution of Ca3(PO4)2.

    asked by Amy
  306. Chemistry

    How would you prepare 150.0 mL of a 0.200 M aqueous solution of potassium chloride from a 0.500 M aqueous solution of potassium chloride?

    asked by Kiesha
  307. English

    We can't use that photograph because Maria blinked while it was taken. Tell if compound or complex sentence complex

    asked by Hayley
  308. Math grd 12

    How many different seven-digit telephone numbers are possible if no number may begin with 0?.....the answer is 9,000,000 but I'm not sure how to get that, plz explain:)

    asked by Celina
  309. math

    If the radius and diameter of a sphere were measured in inches, then the surface area would be measured in

    asked by troy
  310. Math grd12

    How many ten-digit telephone numbers are possible if the first three digits must be different? The answer is 72,000,000,000.... I need the method to get that:)

    asked by Celina
  311. Chemistry

    how many moles of ozone does the atmosphere hold?

    asked by Ben
  312. FP/101

    Which of the following is considered an advantage of home ownership? A. You are responsible for all repairs and maintenance. B. Interest paid on the mortgage of your home is tax deductible. C. Mortgage payments are always lower than rent payments. D.

    asked by vanessa
  313. Math grd12

    How many arrangements of five letters from the word 'certain' contain the letter 't'? Explain your reasoning.

    asked by Celina
  314. Maths

    My teacher divided his class into groups of 8 on Monday, 10 on Tuesday and 4 on Wednesday. What is the least possible number of children in his class?

    asked by PJ
  315. algebra

    Convert to a logarithmic equation: 9y = 6561

    asked by jane
  316. Physics

    A ball initially at rest is dropped from a window 18.6 m off the ground. How long does it take for the ball to reach the ground? Round your answer to 2 decimal places.

    asked by Patel
  317. physiscs

    a 15g bullet is fired horizontally into a block of wood with mass 2.5 kg and embedded in the block, Initially the block of wood hangs vertically and the impact the bullet just before the impact.

    asked by Jay
  318. physics

    A catapult with a spring constant of 1.0 104 newtons per meter is required to launch an airplane from the deck of an aircraft carrier. The plane is released when it has been displaced 0.50 meter from its equilibrium position by the catapult. What is the

    asked by ...
  319. math

    A parallelogram is a convex quadrilateral with four vertices and two sets of opposite parallel sides. Given 3 of the vertices of a parallelogram at A (0,0) B(2,5) and C(2,0), find all possible coordinates for D.

    asked by Kay
  320. Physics

    A 0.2 kg object that stretches a spring 6.5 cm from its natural length when hanging at rest oscillates with an amplitude of 1.5 cm. The acceleration of gravity is 9.81 m/s2. Find the total energy of the system.

    asked by Mark
  321. math

    A perpendicular bisector is a segment which is perpendicular to another segment, and specifically goes through the midpoint of the segment. Find the equation of the perpendicular bisector of in slope intercept form, given A(3,6) and B(3, 10) .

    asked by Kay
  322. English

    I need a short story with the theme of insanity. I'm not able to use Tell-Tale Heart by Edgar Allan Poe. It would also be nice if it were a good read. Thanks (:

    asked by Jim
  323. ALGEBRA

    Express as a single logarithm and simplify: log x – log (8x) + 2 log 4

    asked by Chris
  324. environment chem

    how many moles of ozone does the atmosphere hold?

    asked by Ben
  325. math

    what is the next number after 2,22,12,132,1342

    asked by Julie
  326. Math

    Solve log10(8 x) − log10(1 + √x) = 2 for x.

    asked by Michael Weston
  327. Comp

    What is the plural possessive of brother-in-law?

    asked by Gail
  328. science

    You are given a six month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as possible, you try to research the climate of the small town in Australia, but there is little data since no major cities are

    asked by Anonymous
  329. Statistics/2nd post

    How is the p-value of a hypothesis test related to type I and type II error?

    asked by Taylor
  330. Statistics

    Please help me understand this question. Can a hypothesis test yield a statistically significant (say p

    asked by Taylor
  331. physics

    The force F = (3.2, -7.1) N acts on a mass of 1.15 kg. At time t = 0 s, the mass has a velocity v0 = (-0.46, 0.36) m/s. What is the angle (in degrees) of the initial velocity, measured counter-clockwise from the +x-axis? I got 38.04 degrees but isn't the

    asked by help
  332. physics

    A firetruck is traveling at a velocity of +20 m/s in the x direction. As the truck passes x=63m it shoots a tennis ball backwards with a speed of 20 m/s relative to the truck at an angle of 39° from a height of 1.4 m. Neglect air resistance. At what x

    asked by sandhu
  333. english 10th

    what is a metaphor and hyperbole for the book the Bar Code Rebllion

    asked by jessica
  334. algebra

    Two angles are complementary if the sum of their measures is 90°. The measure of the first angle is 5° less than 4 times the second angle. Put the measure of the FIRST angle in Blank 1 and the measure of the SECOND angle in Blank 2. Just write the

    asked by falonda
  335. Algebra

    If the sides perpendicular to the wall have length x feet, which of the following (A, B, C, or D) represents the area A of the garden? A(x) = –2x2 + 30x A(x) = –2x2 + 60x A(x) = x2 – 60x A(x) = 2x2 – 60x

    asked by Rob
  336. Physics-Linear momentum

    A block of mass m = 2.60 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 6.80 kg which is at rest on a horizontal surface, Fig. 7-46. (Assume a smooth transition at the bottom of the incline, an elastic

    asked by Joe
  337. science

    A mineral can scratch any mineral harder than itself. True or False? I said it is false. My Mom told me I am wrong, it is true!! Can you tell me who is correct?

    asked by Reed
  338. HUM176

    briefly describe the evolution of movies, television, Internet, books and magazines, and media companies throughout the last century.

    asked by Axia
  339. physics

    c) The rocket is launched a third time with the same initial velocity as before at an angle of 45 degrees. This time we want to launch the rocket so that it goes through a field goal post at a height of 7.9 meters in the air. Calculate the time the rocket

    asked by gabbi
  340. physics

    Solve for v1. O.500km/v1+3.50km/2v1=0.250h

    asked by john
  341. psy

    Father: Information collected on elementary school children have indicated that for the most part, the more cavities children have, the better they are at math. Since I want my daughter to improve her math skills, I now make sure she eats candy with every

    asked by Anonymous
  342. Physics

    A cylinder with a valve at the bottom is filled with an ideal gas. The valve is now opened and some of the gas escapes slowly. The valve is then closed, after which the piston is observed to be at a lower position. Assume that the system is in thermal

    asked by Thomas Samuel Adams
  343. Math grd 12

    You are setting a system programing codes for a universal TV remote control. Each code will have five digits and cannot include a 0 or repeat any digits. How many codes a)do not contain a 7? b)have 3 as the third digit, and 5 as the fifth digit c)begin

    asked by Celina
  344. physics

    the average speed of light slows to .75 c when it refracts through a particular peice of plastic. a) What change is there in the light's frequency in the plastic? b) It's wavelength?

    asked by chloe
  345. Math

    Write the following fractions in increasing order: 45/44, 5/4, 12/11

    asked by Tom
  346. Research help/cont

    Sociological Research can be a difficult procedure what are some of the problems or concern that need to be dealt with.. Was assisted with this earlier, but unfortunately the links provided were of no assistance.

    asked by Blaze
  347. Math grd 12

    In how many ways can you make Rhe border if it requires 15 titles and you use only blue and white ones? Explain your reasoning. The final answer is 8008.

    asked by Celina
  348. Algebra

    A gardener has 60 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. (a) If the sides perpendicular to the wall have length x

    asked by Rob
  349. math

    A=P(1+nr); find r

    asked by Dee
  350. science

    I am re-submitting my question because I did not receive any help yet! True or false. A mineral can scratch any mineral harder than itself. I put down false BUT my Mom said it is true. Who is correct?

    asked by Reed
  351. Math grd12

    Gisela lives in a subdivision where the streets are laid out in a grid pattern. Her school is eight blocks south and six blocks east of her home. How many different direct routes could she take when she bicycles to school if she always stops by her

    asked by Celina
  352. physics

    An alpha particle collides with an oxygen nucleus, initially at rest. The alpha particle is scattered at an angle of 60.9° above its initial direction of motion, and the oxygen nucleus recoils at an angle of 51.9° on the opposite side of that initial

    asked by Please Help!
  353. chemistry

    How many grams of NaCl are required to make up 2.00 L of a 4.00 M solution of NaCl

    asked by Anonymous