Questions Asked on
September 10, 2010

  1. chemistry

    A 8.13 g sample of HCN is found to contain 0.301 g of H and 4.22 g of N. Find the mass of carbon in a sample of HCN with a mass of 3.39 g.

    asked by Mely
  2. 6th grade/math

    I don't understand can you help me? Alicia has made a rectangle using 24 square tiles. If she adds the length and width of her rectangle together, she gets 11. What is the length and width of Alicia's rectangle?

    asked by Lexi
  3. chemistry

    What is the mass, in grams, of each of the following? a) 2.4×10−3 mol Sb b) 3.59×10−2 mol Ba c) 43.6 mol Xe d) 1.4 mol W

    asked by Mely
  4. chemistry

    Calculate the mass, in grams, of each of the following. a) 1.2×10^23 gold atoms b) 2.78×10^22 helium atoms c) 2.0×10^23 lead atoms d) 7.6×10^21 uranium atoms

    asked by Mely
  5. PHYSICS

    The velocity of a diver just before hitting the water is -8.7 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.89 s of the dive?

    asked by veronica
  6. Physics

    In what direction does the force of mass point? I say - Always away towards the center of the circular path In what direction does the velocity of mass point? I say - Always away from the center of the circular path In what direction does the acceleration

    asked by Jim
  7. ETH/125

    policies changes concerning the treatment of Arabs and Muslims in the past 2 years

    asked by Anonymous
  8. chemistry

    what features account for carbohydrates high solubility in water?

    asked by lena
  9. Chemistry

    A single 4p orbital can hold how many electrons? i got 6 is that correct or no? Would conducting electricity be considered a physical or a chemical property of ZINC?

    asked by Jack
  10. physics

    A train takes 3.3 hours to travel the first leg of a trip at 17 m/s. How fast must the train move over the second leg of 200 km to have a total average speed of 30 m/s?

    asked by Anonymous
  11. math

    predicting the stopping distance for a car traveling 45 miles per hour using this chart speed stopping (mph) Distance (FT) 55 273 56 355 75 447

    asked by Javen
  12. Business

    Describe the three principal managerial roles identified by Henry Mintzberg and give examples of each? How important is competence in the core managerial skills for the different types of managers?

    asked by RT
  13. accounting

    If a company purchases a 12-month insurance policy for $3600, what journal entry would be prepared to record the purchase? At 6 months? At year end?

    asked by Anonymous
  14. Calculus

    Evaluate the integral ∫(x^2 + 4x -2)dx from x = 1 to x = 4.

    asked by Anonymous
  15. Chemistry

    In the Lewis structure for SF4, there are: a. 12 electrons surrounding the S. b. 10 electrons surrounding the S c. a total of 42 valence electrons. d. Both a and c are correct. e. None of the above are correct

    asked by catherine
  16. Chemistry

    How do you solve this equation? A piece of aluminum with a mass of 3.90g and a temperature of 99.3 degrees celcius is dropped into 10.0 g of a water at a temperature of 22.6 degrees celcius. What is the final temperature of the system?

    asked by Anonymous
  17. management

    Describe how managers typically change in their first year on the job? How does the way a company is managed affect its competitive advantage?

    asked by RT
  18. Physics

    A boat is traveling with a speed 7.2 mph over the water and at a direction of 87 degrees counterclockwise from east. The river itself is flowing east at 4.9 mph relative to its bank. What is the speed of the boat relative to the river bank to the nearest

    asked by G
  19. Chemistry

    Does "gaseous reactions" mean that all the products and reactants in a chemical equation are all in gaseous state?

    asked by Riley
  20. math

    Find an equation of the line having the given slope and containing the given point. m= -3, (1,3) The equation of the line is y =

    asked by SchuRonda
  21. math

    Find an equation of the line having the given slope and containing the given point. m= -3, (1,3) The equation of the line is y =

    asked by SchuRonda
  22. Physics

    A golf ball is chipped at an angle of 37 degrees and with a speed of 13.5 m/s. How far does it travel to the nearest tenth of a meter?

    asked by G
  23. math

    Write an equation of the line containing the given point and parallel to the given line. (-7,6); 8x=9y+5 The equation of the line is y =

    asked by SchuRonda
  24. math

    Find an equation of the line containing the given pair of points. (1,5) and (3,6) y =

    asked by SchuRonda
  25. math

    Find the slope, if it exists, of the line containing the pair of points. (-6.8,11.8) and (-6.4,7.6)

    asked by SchuRonda
  26. Physics

    A monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for another vine 19 meters away horizontally and whose bottom is 13.5 meters below the monkey. How fast must the monkey be moving to the nearest

    asked by G
  27. Physics

    A golf ball is hit with an initial angle of 30.5° with respect to the horizontal and an initial velocity of 81.9 mph. It lands a distance of 86.8 m away from where it was hit. By how much did the effects of wind resistance, spin, and so forth reduce the

    asked by Gina
  28. Chemistry

    I'm doing chemical equilibrium, and there's a question in my lecture notes. Can someone check my answers and tell me if i'm right or wrong? Thanks! The Kc expression for this reversible reaction: 3Fe(s) + 4H2O (g) -->

    asked by Riley
  29. Physics

    For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 16.0 m/s and initial angle of 36.8° with respect to the horizontal. (a) Where will the golf ball fall

    asked by Gina
  30. Physics

    You serve a tennis ball from a height of 1.8 m above the ground. The ball leaves your racket with a speed of 19.4 m/s at an angle of 7.28° above the horizontal. The horizontal distance from the court's baseline to the net is 11.83 m, and the net is 1.07 m

    asked by Gina
  31. Physics

    Some rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus also know your speed at any time. One of these rental cars is driven by an employee in the company's lot and, during the time

    asked by Gina
  32. Physics

    A rabbit runs in a garden such that the x- and y-components of its displacement as function of times are given by x(t) = −0.44t2 − 6.0t + 73 and y(t)= 0.35t2 + 8.3t + 34. (Both x and y are in meters and t is in seconds.) (a) Calculate the rabbit's

    asked by Gina
  33. geometry

    if m angle RTS = 8x+18 find x so that line TR is perpendicular to line TS

    asked by carmen
  34. Intermediate Algebra

    Hello I need a little help with my homework. I started trying to work it out but I am not sure if it is the correct solution. Please help! Question: Population growth. The exponential growth rate of the population of United Arab Emirates is 4.4% per year

    asked by Samantha
  35. english

    It's a part of an assignment i'm doing, is a shower a part of technology? Could you also give me examples of technology we use in everyday life?

    asked by sally
  36. science

    Warm-blooded animals? a) change their internal temperature to match the external temperature b) can function well in a wide range of temperatures c) have the same temperature control as plants do d) are less able to adjust to temperature changes than are

    asked by pam
  37. science

    The factor that determines what effect human beings have on the environment is the _______, a) quality of political philosophy held by the individual b) degree of isolation manitained by individuals c) decisions made by each individual d) nature of the

    asked by pam
  38. math

    1000 cl = -----L 1200 cl = -----L Please help!!!

    asked by melea
  39. algebra117

    factor 16v^2-2q^6=

    asked by denise32
  40. science

    It is true that ______ a) few plants grow well around water b) plants are better able to seek water than are animals c) water covers about 95% of the plants d) the amount of water in the enivronment limits the kinds of organisms that can live there e)

    asked by help please
  41. accounting

    The stockholders' equity accounts of Lawrence Company have the following balances on December 31, 2010. Common stock, $10 par, 274,000 shares issued and outstanding $2,740,000 Paid-in capital in excess of par 1,200,000 Retained earnings 5,600,000 Shares of

    asked by janice
  42. precal

    Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Use the Rule of 72 to estimate how much time it would take to double Joan's investment in Bank

    asked by Anonymous
  43. algebra

    a1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 b2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F131/8 f3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A-23/2 B18/7 C-13 D9/4 E8/41 F3 e4. Simplify 36 – 2x[4(-3-2)] A36 - 28x B16 - 2x C76x D40x + 36

    asked by whitney
  44. chemistry

    what is the density of a solid object with a mass of 1.65 lb and a volume of 170ml?

    asked by sam
  45. calculus

    limit as x approaches negative infinity for the function (-x)/(sqr root (x^2-36))

    asked by susan
  46. spanish

    can someone please explain this to me? its the irregular verb estar. 1. Yo_____ en mi casa (in my house). 2. Jose, María, y yo _________ alegres. 3. Mario, tú, y yo __________ en el cine (at the movies). 4. El perro ________ en el parque (at the park.)

    asked by whitney
  47. algebra homework

    Kim starts to walk 3 mi to school at 7:30 A.M. with a temperature of 0°F. Her brother Bryan starts at 7:50 A.M. on his bicycle, traveling 10 mph faster than Kim. If they get to school at the same time, then how fast is each one traveling? I have tried to

    asked by paulina
  48. management

    Describe the three principal managerial roles identified by Henry Mintzberg and give examples of each? How important is competence in the core managerial skills for the different types of managers?

    asked by RT
  49. Physics

    The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 3.2 m/s3, B = 1.8 m/s2, C = −4.2 m/s, and D = 7 m. At what time(s) is the object at rest?

    asked by Gina
  50. algebra

    Problem A: 6a + (8b + 2a) e1. = 6a + (2a + 8b) Asymmetric Bdistributive Cmultiplicative identity Dcommutative Ereflexive Fsubstitution f2. = (6a + 2a) +8b Adistributive Bassociative Csubstitution Dmultiplicative property of zero Emultiplicative identity

    asked by whitney
  51. Chemistry

    A single 4p orbital can hold how many electrons? i got 6 is that correct or no? Chemistry - Anonymous, Friday, September 10, 2010 at 2:52am "That is correct! px, py and pz (2 electrons in each) " since it's asking about a SINGLE 4p orbital would it be 2? i

    asked by catherine
  52. chemistry

    if there is 2 grams of hydrogen and 1.75 was left over how many was used up

    asked by rueben
  53. Chemistry (Thermo)

    High quality coal (anthracite) is almost pure carbon. The combustion of carbon to carbon dioxide releases 393kJ per mol of carbon burnt. If 1kg of anthracite is burnt: a) How much heat is released? b) How much ice (in kg) at 273K could be melted to give

    asked by Amy
  54. Math

    Two taps, having different rates of flow are used to fill a large water tank. If tap A is used on its own it will take 5 hours longer to fill the tank that it would take tap B to fill it on its own. Together, the taps would fill the tap in 6 hours.

    asked by Jamie
  55. Physics 4a

    A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 7.85 m higher than A, with speed v. Calculate (a) the speed v and (b) the maximum height reached by the stone above point B.

    asked by Antonio
  56. lib320-global socioeconomics

    What are the various methods of maintaining peace and unity in binational, multinational, and multiethnic states? What are the strengths and weaknesses of each method?

    asked by Anonymous
  57. Geography

    Due to the violent & complex origins of the Andies, many rich & precious metals and minerals were found in the Andies. The inital economic wealth of many Adean coutries came from mining gold, silver, tin, copper, and iron. How can this cause conflict with

    asked by Hannah
  58. SAT Essay

    Can somebody help to grade this essay? Many thanks!! Assignment: Do we expect too much from public figures? Public figures have always been an object of fascination for many. From movie stars to pop stars, business tycoons to politicians in power, they

    asked by Jessie
  59. English

    Thank you for your suggestions. Here are some more sentences for you to check. 1)The inner station consisted of a long building standing (or which stood?) at the top of a hill. There was no fence around it but there had been one. 2)There were also some

    asked by Franco
  60. physics

    A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 7.85 m higher than A, with speed v/2. Calculate (a) the speed v and (b) the maximum height reached by the stone above point B.

    asked by Antonio
  61. Science

    What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius?

    asked by jason
  62. Criminal Procedure

    proof beyond a reasonable doubt in a criminal case to convict is required by: A) The 6th Amendment B) The 5th Amendment C) The equal protection clauses. D) The due process clauses. If you ask me the answer is in the question..Proof beyond a reasonable

    asked by Melisa
  63. English

    I forgot to include these other three sentences. Thank you very much in advance. 7) He went to visit Kurzt’s intended who had continued to wear black though Kurzt had died more than a year before. 8) He gave her the papers and documents and told her that

    asked by Franco
  64. Geometry

    In geometry what kind of algebra do you use?

    asked by Samantha
  65. Biology

    Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the

    asked by Tommy
  66. Math

    Two taps named tap A and B are used to fill a tank. Tap A on its own takes 5 hours longer than tap B to fill the tank. The two taps working together fill the tank in 6 hours. How long does it take tap A to fill the tank on its own? How long does it take

    asked by Jamie
  67. media

    what is the significance of immediate news media delivery on culture?

    asked by zack
  68. Math

    Area of a painting. A rectangular painting with a width of x centimeters has an area of x2 + 50x square centimeters. Find a binomial that represents the length.

    asked by Cheryl
  69. health

    Post a 250- to 300-word response to the following: What are the major differences between inpatient and outpatient hospital services? Describe how these differences affect the coding process and provide examples.

    asked by Nancy
  70. statistics

    Given a data set with the mean = 44 and the standard deviation = 15, what is the value of the Third Quartile?

    asked by angie
  71. Physics

    A hot-air balloon is rising straight up with a speed of 5 m/s. A ballast bag is released from rest relative to the balloon when it is 8.2 m above the ground. How much time elapses before the ballast bag hits the ground? I don't get what equations or what

    asked by Jerry
  72. physics

    A truck covers 40.0 m in 8.60 s while smoothly slowing down to a final velocity of 2.00 m/s. (a) Find the truck's original speed. (b) Find its acceleration.

    asked by tiffany
  73. American History

    I am trying to locate either the name of the school or school district (i.e. City or County) that first required public schools to teach both male and female students. I know that in 1789 Massachusetts was the first state to make this requirement but I

    asked by AshleyC
  74. physics

    Crate on a conveyor belt..? A 11 kg crate is placed on a horizontal conveyor belt. The materials are such that u s = 0.55 and u k =0.26. What is the maximum acceleration the belt can have without the crate slipping? How would you draw a free body diagram

    asked by nene
  75. Math

    Find how much must be deposited now (present value) at % simple interest so that in 6 years an account will contain $8958 (future value). present value = $ WHAT FORMULA DO I NEED TO USE TO HELP ME SOLVE THE PROBLEM?

    asked by AMANDA
  76. CHEMISTRY

    CAN someone please point me in the right direction I am trying to find a complete list of all of the ate Oxyanions because I need to memorize them and can't find a complete list of them like sulfate nirtate phosphate carbonate... can someone provide a

    asked by PLEASE HELP ME
  77. math

    David has just received his income tax refund of $1438.11, and he needs $1742 to buy a new television. If his money can earn % simple interest , how long must he invest his tax refund? years what formula do i need to use?

    asked by AMANDA
  78. Geography

    This is my last question that I'm struggling with. We had to do 25 of them and this one I can't figure. Thank you for your help. It's greatly appreciated. Have a great weekend!!! More water flows through the Amazon Basin than through any other river

    asked by Hannah
  79. physics

    PLease HeLP! You work for a moving company and are given the job of pulling two large boxes of mass m1 = 112 kg and m2 = 287 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the

    asked by tom
  80. statistics

    Would someone mind checking me and pointing out which may be incorrect. I THINK I get it but.... Calculate the range, variance, standard deviation for the data set given 72, 80, 80, 82, 88, 90, 96? I just wanted to know if I am doing this correctly. These

    asked by Flower
  81. science

    the queen bee knows how to do her dance, because _____. a) she is very smart b) of the energy that the queen has c) of the experience of seeing the dance d) of the enery that the queen has e) of the experience of seeing the dance performed e

    asked by pam
  82. ALGEBRA 1!!!

    Problem A: 6a + (8b + 2a) e1. = 6a + (2a + 8b) Asymmetric Bdistributive Cmultiplicative identity Dcommutative Ereflexive Fsubstitution f2. = (6a + 2a) +8b Adistributive Bassociative Csubstitution Dmultiplicative property of zero Emultiplicative identity

    asked by whitney
  83. scinence

    Removal of organic materials from the soil is a)humus b)conservation c)depletion d)recycling e)erosion a

    asked by pam
  84. COMPUERS

    HELP!!!!! MY KEYBOARD IS STUCK ON CAPS LOCK AND ALL MY FRIENDS ARE MAD AT ME BECAUSE THEY THINK I AM YELLING! PLEASE TELL ME HOW TO GET MY KEYBOARD OFF OF CAPS LOCK!! ITS RUINING MY LIFE!!

    asked by SAMMI
  85. com/155

    write a 100- word passage to Susan Anker, the author of the course's textbook, in which you describe five details from her book that are good and five details about the book that are well written. Where can I find Susan Anker's books

    asked by jo
  86. algebra

    Help! A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is . A size 6 shoe in the United States is size 3.5 in England. A function that converts shoe sizes in England to those in the United

    asked by Roger
  87. College Algebra

    Help! Write the equation of the function that has a graph the shape of , vertically shrunk by a factor of 1/4 and shifted right 6 units. Write the equation of the function that has a graph the shape of y = „ x„ , reflected about the x-axis and

    asked by Roger
  88. Physics

    You are traveling in a convertible with the top down. The car is moving at a constant velocity 27.7 m/s, due east along flat ground. You throw a tomato straight upward at a speed of 12.8 m/s. How far has the car moved when you get a chance to catch the

    asked by Chaz
  89. Physics

    You will spend 177 days in this class. How many seconds will you spend in this class? (5.31x10^5s)

    asked by Anonymous
  90. French

    i want to know about French culture and music

    asked by Kiera
  91. Intermediate Algebra

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

    asked by Samantha
  92. Physics

    A marathon is a road race covering 26 miles and 385 yards. There are 5280 feet in amile, 3 feet in a yard and 3.3 feet in a meter. How many meters is this? (4.2x10^6m)

    asked by Anonymous
  93. physics

    The speed in air is 343m/s. Using the relationships3.3 feet in a meter, 5280 feet in a mile, and the time relationships you know, determine the speed in miles per hour. (answer:772mi/h)

    asked by Anonymous
  94. chem

    if i have density and the mass, how do i find the valume?

    asked by jess
  95. English

    Thank you very much for helping me. I still have a few sentences regarding the same novel for you to check. 1)The novel consists of three parts and is set at the end of the 19th century. 2)The story begins with a group of men on a ship, Nellie, in the

    asked by Franco
  96. Intermediate Algebra

    Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x

    asked by Samantha
  97. physics

    A light year (speed of light 2.998x10^8 m/s) is the distance light travels in a year. How many meters are there in 1 light year? (Answer:9.45x10^15 m/yr)

    asked by Anonymous
  98. math

    percent change What is the percent change of 86 and 80

    asked by pippi
  99. science

    a habit ____ a) involves thougth and memory b) does not involve the brain c) is seen in primitive animals d)is a learned behavior e) is instinctive behavior d

    asked by pam
  100. Health

    What measures for disease prevention that were used historically should be used today? Why do you think some were discarded as preventive measures?

    asked by Anonymous
  101. Ap physics

    A football is kicked at ground level with a speed of 10.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground?

    asked by rayray
  102. Ap physics

    A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0° to the horizontal . (a) Draw the free-body diagram showing all forces acting on the mower. (Do this on paper. Your

    asked by rayray
  103. Ap physics

    A football is kicked at ground level with a speed of 10.0 m/s at an angle of 37.0° to the horizontal. How much later does it hit the ground?

    asked by rayray
  104. BSHS 311 Models of Effective Helping

    Ivan Pavlov developed the theory of classical conditioning. Did he establish a relationship between the helper and the client? What was it?

    asked by Lisa Sommer
  105. Ap Physics

    An elevator (mass 4025 kg) is to be designed so that the maximum acceleration is 0.0700g. What is the maximum force the motor should exert on the supporting cable?(N) What is the minimum force the motor should exert on the supporting cable?(N)

    asked by rayray
  106. Ap physics

    If you are driving 108 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?

    asked by rayray
  107. Ap physics

    A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 15.5 m long. The bowler hears the sound of the ball hitting the pins 2.60 s after the ball is released from his hands. What is the speed of the ball? The speed of sound

    asked by rayray
  108. English

    What examples could represent a conflict in "Son" by Updike?

    asked by bindiya farswani
  109. teaching

    does anyone know a few similarities and differences between the NBPTS standards and Danielsons framework for teaching? I'm going to be doing a graphic organizer comparing and contrasting the two. thanks.

    asked by crystal
  110. ECONOMICS

    supporting details for "is economic equality possible and would it be socially just?"

    asked by Carrie
  111. precal -checking answers

    Suppose Joan has $5,000 to invest. The banks are offering 3.10% interest. Bank A compounds interest continuously, while Bank B compounds interest semiannually. Answer these questions regarding which bank Joan should invest her money in, to accrue the

    asked by Anonymous
  112. Algebra

    Could someone please help me with those 2 problems...thanks a lot for any of your help Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 57. Suppose that Maria has 140 coins consisting of pennies, nickels, and

    asked by Joe
  113. scientist

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by james
  114. physics

    The speed of sound in air is 343 m/s. Using the relationships 3.3 feet in a meter, 5280 feet i na mile, and the time relationships you know, determine the sped in miles per hour.(answer:772mi/h) i don't know why that answer thing is there but i put it

    asked by Anonymous
  115. Physics

    A baseball just clears a 3.0m tall wall positioned 120m from home plate. If the ball left the bat 1.2 m above the ground at an angle of 45 degrees above the horizontal, how fast was it going when it left the bat.

    asked by Makenzie
  116. Physics

    How many uranium atoms are there in 8.4 g of pure uranium? The mass of one uranium atom is 4 x 10^-26

    asked by Anna
  117. science

    List all of your moving body parts and how they help you survive?

    asked by tony
  118. space

    You are designing a web page for your school's biology club. You want to include photos of the members on the page, which has a width of 640 pixels. You've decided that the left and right margins should be 24 pixels each and the space between each picture

    asked by leli
  119. Algebra

    Factor 4xy+28x+y+7

    asked by Joe
  120. science

    The Gruffles just had a rumble with the Gadflies becasuse three Gadflies tried to pass through the Gruffles territory. The rumble would be an examples of the Gruffles protecting their ______. a) superiority b) women's rights c) independence d) rights of

    asked by pam
  121. history

    How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe? Be specific. How were these differences important to the international state of affairs in 1450? this is using the

    asked by erica
  122. science

    Underdeveloped countries have the highest popualtion increase because _______. a) the death rate is increasing greatly b) they are educated in birth control methods c) children are needed to help on the farms d) medical and agriculutral improvements have

    asked by pam
  123. Sep.11/01

    Tomorrow will be the 9th anniversary of the worst terrorist attacks on American soil, when the Twin Towers were destroyed, the Pentagon was attacked, and Flight 93 crashed into a field in Pennsylvania. Did the terrorists wanted to kill the former Secretary

    asked by AL 92
  124. psy

    Based on the information covered in chapter 5, contrast two theories or perspectives from late stage adult development,

    asked by louise
  125. chemistry

    14.6 103 kJ to Cal

    asked by Sara
  126. spanish

    Autoprueba WB P-14 | Presentaciones Complete the following conversation with the appropriate form of the verb ser. 1. Me llamo Pilar. ¿Quién tu 2.Encantada. ¿De dónde uds 3. Y éste (this) mi amigo, Carlos.

    asked by Christopher
  127. geometry

    the mid point of ef is (-3,7). the coordinates of e are (-3,10. find the coordinates of f.

    asked by owsbaldo
  128. Physics

    This is a two-dimensional kinematics question: A particle's position coordinates (x,y) are (2m, 3m) at t=0; (6m, 7m) at t=2s, and (13m, 14m) at t=5s. Find the average velocity vector between t=0s and a) t=2s, b) t=5s. I don't know how to find this without

    asked by Anonymous
  129. English 2

    I had to write a persuasive essay about a debatable issue and I chose to write about the Ground Zero Mosque. This is just my rough draft, so I know it's not near perfect; but can someone please tell me what I need to add/remove, etc. ? Thanks! Is building

    asked by mysterychicken
  130. chemistry

    How to find the density of mercury

    asked by mike
  131. physics

    You have two forces, 116.1 N and 78.6 N. What is their resultant if the first acts up- ward and the second acts downward? Answer in units of N.

    asked by laura
  132. English 2

    Just need someone to check these questions for me-- 1. A complication in the plot is BEST described as a. an event that poses a problem for the main character b. additional information about the main character c. an isolated incident d. a physical event

    asked by mysterychicken
  133. HCA 250, psychology of health

    I am trying to complete my final assignment which consists of the duties and any other information on a inpatient-only psychologist, I have not found much. Is it also true that an inpatient-only psychologist and a clinical psychologist are the same. If

    asked by Rebecca
  134. Microeconomics

    Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price level has increased. Which of the following factors might account for this event? a. A rise in the value of the domestic currency

    asked by aimee
  135. math

    Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

    asked by Marlee
  136. 7th grade math

    order these numbers from greatest to least mass 0.05kg,32g,and 430,000mg Thanks alot

    asked by Melea
  137. Algebra

    Write the equation of the function that has a graph the shape of y=/x/ ,reflected about the x-axis and shifted down 1 unit.

    asked by Roger
  138. algebra

    Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the range of the function.

    asked by Makina
  139. College Chemistry

    When two solutions are mixed, small bubbles are formed. Is that a chemical or physical change?

    asked by Becky
  140. College Chemistry

    When you bake cake batter it solidifies. Is this a physical or chemical change?

    asked by Becky
  141. College Chemistry

    If you leave a glass of tap water out long enough, the water will evaporate and leave behind a white solid.

    asked by Becky
  142. College Chemistry

    A plant grows. Is that a chemical or physical change?

    asked by Becky
  143. science

    The creation of the Enivronmental Protection Agency by the federal government is an example of the American people's desire to _______. a) protect their individual rigths from violation by the judicial branch b) centralize the government c) protect their

    asked by pam
  144. mATH

    x^4+x x^4-x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be

    asked by prethy
  145. COLLEGE PHYSICS

    A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 99 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move

    asked by CARY
  146. College Chemistry

    If you leave a glass of tap water out long enough, the water will evaporate and leave behind a white solid. Is this a chemical or physical change?

    asked by Becky
  147. Math

    Suppose that the area of a square is forty-one times its perimeter. Find the length of a side of the square. All I can think of is that P=4s and A=s^2 thanks for any help

    asked by Mark G
  148. Biology

    Hydrogen= 1 proton, 0 Neutrons, 1 Electrons and 1 electrons in outer shell. is correct!

    asked by Jetta
  149. Math

    x^4+x x^4-x^2 x^4 my.hrw/math06_07/nsmedia/tools/Graph_Calculator/graphCalc I graphed all three, however I can't say what the key features of the graphs of these functions?? how do u compare these types of graph ANSWER: can you add them like would x^4+x be

    asked by prethy
  150. physics

    A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?

    asked by Anonymous
  151. college

    Are there certain curricular areas in which technology is more useful than in others?

    asked by renata
  152. Psychology

    What are some of the characteristics of a Type A personality?How could aving a Type A personality affect a person's reaction to stress?What would you view as some advantages and disadvantages of a Type A personality?

    asked by Ashly
  153. Environmental Science

    What is a few terrestrial resource issues? I have to pick one to do a powerpoint and I need some ideas. Thank You

    asked by michelle
  154. physics

    A projectile is being launched from ground level with no air resistance. You want to avoid having it enter a temperature inversion layer in the atmosphere a height h above the ground. 1) What is the maximum launch speed you could give this projectile if

    asked by Ami
  155. physics

    A car is driven east for a distance of 49 km, then north for 35 km, and then in a direction 33° east of north for 27 km. Draw the vector diagram and determine the total displacement of the car from its starting point. What is the magnitude and direction?

    asked by Melisa
  156. physics

    A rock is thrown from the roof of a building with a velocity v at an angle of alpha from the horizontal. The building has height h. You can ignore air resistance. Calculate the magnitude of the velocity of the rock just before it strikes the ground

    asked by ami
  157. chemistry

    65.0 mL of water is heated to its boiling point. How much heat in Kj is required to vaporize it? (Assume a density of 1.00 g/mL)

    asked by jessa
  158. chemistry

    Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 . A fitting composed of common brass has a total volume of 114.5 .How many atoms of copper does the fitting contain?

    asked by lisa
  159. Literature

    "They said that Jose was born with a ring of dirt around his neck, with grime under his fingernails, and skin calloused form the grainy twist of a shovel" What kind of literary device is this?

    asked by Someone
  160. spanish

    Autoprueba WB P-14 | Presentaciones Complete the following conversation with the appropriate form of the verb ser. 1. Me llamo Pilar. ¿Quién tu 2.Encantada. ¿De dónde uds 3. Y éste (this) mi amigo, Carlos

    asked by Christopher
  161. algebra

    Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. log[5] (5x - 1) = 1

    asked by mar
  162. To: Mystery Chicken

    You'll find this article interesting -- re your essay. http://www.cnn.com/2010/OPINION/09/10/clark.islamic.center.language/index.html?eref=mrss_igoogle_cnn

    asked by Ms. Sue
  163. chemistry

    convert 8.99 x 10^2 m/s^2 units of km/hour^2?

    asked by Anonymous
  164. Math

    Eva invested a certain amount of money at 9% interest and $1600 more than that amount at 11%. Her total yearly interest was $760. How much did she invest at each rate?

    asked by Mark G
  165. freshmen

    can you pls give me a qoute about freshmen year

    asked by alanaR.
  166. chemistry

    Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes leading to irreversible inactivity of these enzymes. If the amount of mercury in a polluted lake is 0.4 mg Hg/mL, what is the total

    asked by kelly
  167. physics

    A heavy object and a light object are dropped from rest at the same time in a vacuum. Which one will reach the ground first and why?

    asked by Jim
  168. Math Contest question

    determine the number of digits in the expansion (2^120)(5^125) without using a calculator or computer Find the coordinates of the two points that trisect the line segment with endpoints A(2,3) and B (8,2)

    asked by Prethy
  169. english

    are these words count noun? obligation, compassion

    asked by flame
  170. geometry

    ab=3x, bc=5x, ac=8 what is x and bc?

    asked by C
  171. physics

    Is it true that hot water freezes fast?

    asked by Jim
  172. geography

    Is this a trick question? To which continent does Central America belong? My answer is North American continent. Is that correct?

    asked by Reed
  173. geography

    Which two countries border Mongolia? My answer I found are China and Russia. Is this correct? Am I correct in saying that Helsinki is located on the Baltic Sea?

    asked by Reed
  174. english

    is this sentence correct? She teaches me not to turn a blind eye on the helpless patients, be it humans or animals, whenever I see them.

    asked by flame
  175. Business

    A group of 9 trout (considered the population) were isolated in a pond and fed a special food mixture called Grow Em Fast. At the end of the experimental period, the weights of the trout were (in grams): 124, 125, 123, 120, 124, 127, 125, 126 and 121.

    asked by John
  176. USC Career institue

    Chester has an appointment for a checkup on his asthma he is wheezy and having labored breathing his established physician performs a problem focused exam and history no further treatment is recommended for it chester is to retun in three month for a

    asked by ladyfox
  177. Science

    Does infrared radiation or ultraviolet radiation have wavelengths that are shorter than visible light? My answer is ultraviolet radiation. I am really sure about this one. Am I correct?

    asked by Reed
  178. Science

    What causes the different colors of visible light? My answer---- Different wavelengths cause the different colors of visible light. Is that right?

    asked by Reed
  179. English

    I like The Fifer by Manet most. I can see a boy playing the fife. Why do you like it? Because I like playing the fife and the boy's traditional clothes. He is wearing a curious hat, too. My favorite painting The painting I like most is Manet's The Fifer.

    asked by rfvv