Questions Asked on
February 25, 2008

  1. Physics

    A truck driver slams on the brakes and skids to a stop through a displacement of delta x. (a) IF the truck has twice the mass, by what factor does the stopping distance change? 1) 0.25 or 2) 1 or 3) 4 (b) If the initial velocity of the truck were halved,

    asked by John
  2. Physics

    Batman (mass = 90 kg) jumps straight down from a bridge into a boat (mass = 530 kg) in which a criminal is fleeing. The velocity of the boat is initially +20 m/s. What is the velocity of the boat after Batman lands in it?

    asked by Zach
  3. CHEM - PLS help!!

    What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11 OH). Would the solution become saturated or not??? What would the colour change be...if any?? Would a precipitate be formed??

    asked by K
  4. chemistry

    how many atoms are present in 80.0 mol of zirconium?

    asked by hokoslavia
  5. managerial economics

    At a recent board meeting, the president and CEO got into a heated argument about whether to shut down the firm's plant in Miami. The Miami plant currently loses $60,000 monthly. The president of the firm argued that the Miami plant should continue to

    asked by jean
  6. Econ

    What are some examples of economic events?

    asked by Lou
  7. Physics

    A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

    asked by Zach
  8. math

    The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours

    asked by Mike
  9. Chemistry

    BrO-3 + 5Br- + 6H+ ---> 3Br2 + 3H2O the value of - delta[BrO3]/delta T= 1.5x10^-2M/s at a particular time what is the value of -delta [Br-]/Delta t at the same instant? 13 M/s 7.5x10^-2 1.5x10^-2 3.0x10^-2 330 M/s

    asked by drew
  10. Statistics

    According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was 76%. However, the cooperation rate (proability of someone at the contacted household agreeing to be interviewed) was 58% in 1997

    asked by Danielle
  11. Math

    The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours

    asked by Mike
  12. Physics

    A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

    asked by Zach
  13. Trigonometry

    Hello all, In our math class, we are practicing the trigonometric identities (i.e., sin^2(x)+cos^2(x)=1 or cot(x)=cos(x)/sin(x). Now, we are working on proofs that two sides of an equation are equal (for example, sin(x)*csc(x)=1;

    asked by Timothy
  14. Plastic Moulds ==> Couldn't find anything myself

    I'm proposed a way I'd synthesize plastic...polyethylene to shape into a pipe PROBLEM: not sure how or what I would use to make a mold or best method to produce a PIPE not sure what a mold should look like to produce a hollow object like a pipe. OR what

    asked by ~christina~
  15. Physics

    A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.0 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

    asked by Peter
  16. Chemistry

    I have just moved and transferred to a new school. My chemistry class is really ahead of my old class, so I am having some problems that I just cannot understand through the book. I guess I could ask the teacher but I am a bit shy and this assignment is

    asked by Jessica
  17. finance

    Not sure how to solve the following problem. Suppose two athletes sign 10-year contracts for $80 million. In one case, we're told that the $80 million will be paid in 10 equal installments. In the other case, we're told that the $80 million will be paid in

    asked by help
  18. Calc

    We assume that an oil spill is being cleaned up by deploying bacteria that consume the oil at cubic feet per hour. The oil spill itself is modeled in the form of a very thin cylinder as depicted below. Its height is the thickness of the oil slick. We

    asked by Anonymous
  19. chemistry

    how many moles of platinum are equivalent to 1.20 x 10^24

    asked by hokoslavia
  20. Chemistry

    what is the rate law of S2O8^2- + 3I- --> 2SO4^2- + I3-

    asked by Lauren
  21. BIOLOGY LAB!

    If catalase enzyme was placed in a test tube and heated to 100 degrees C, what results would you expect from a glowing splint test? Thanks! Thanks! Thanks!

    asked by INSANELY URGENT
  22. Chemistry

    what is the rate law of S2O8^2- + 3I- ---> 2SO4^2- + I3-

    asked by Lauren
  23. English

    on the story 'Lamb to the slaughter' what changes and feelings does Mary Maloney go through?

    asked by Hannah
  24. english

    In "A Pair of Silk Stockings," the silk stockings are a symbol of A. Mrs. Sommers's inability to handle money. B. Mrs. Sommers's lack of concern for her children. C. Mrs. Sommers's selfish needs. D. Mrs. Sommers's desire for attention.

    asked by lisa
  25. Math - Linear Inequalities

    The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours

    asked by Tushar
  26. Physics

    A beam of protons is accelerated through a potential difference of 0.745 kV and then enters a uniform magnetic field traveling perpendicular to the field. (a) What magnitude of field is needed to bend these protons in a circular arc of diameter 1.75 m? (b)

    asked by J
  27. English

    Discuss how T.S. Eliot's "Love Song of J. Alfred Prufrock" displays evidence of traditional poetic conventions and themes, yet is obviously an example of modern poetry.

    asked by anonymous
  28. music

    explain in full the meaning of binary form

    asked by zainab
  29. Physics

    Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in

    asked by Jenna
  30. Physics

    A 3.60 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?

    asked by Peter
  31. Physics

    A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the

    asked by Peter
  32. Maths

    The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours

    asked by Tushar
  33. Physics

    An electron beam of a TV picture tube is accelerated through a potential difference of 2.00 kV. It then passes into a magnetic field perpendicular to its path, where it moves in a circular diameter of .360 m. What is the magnitude of the field? I am lost.

    asked by J
  34. physics

    At a certain distance from a point charge, the potential due to the charge is |5.93 V, and the magnitude of the electric field is 13.5 V/m. (Take the potential to be zero at infinity.) Is the electric field directed toward or away from the charge? Here

    asked by Samantha
  35. Physics

    A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end moves in a circular path of radius 0.35 m. The force is always applied parallel to the motion of the handle. If the handle is

    asked by Eric
  36. Science

    Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem

    asked by Kathryn
  37. Physical science

    A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22 seconds after landing on the pad. Calculate the athlete's velocity just before reaching the pad. Answer in m/s. I am so confused

    asked by Anonymous
  38. physics

    A 0.052-kg arrow is fired horizontally. The bowstring exerts an average force of 80 N on the arrow over a distance of 0.75 m. With what speed does the arrow leave the bow?

    asked by Zach
  39. chem-help pls!

    When 0.975 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 400C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. Hrxn, for the reaction of CaO(s) +

    asked by Anonymous
  40. science

    I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the same as the study guide almost. They just switch around the words and stuff around to mess with your mind. These were just the only

    asked by JAKE
  41. algebra

    If a is 50% larger than c and b is 25% larger than c, then a is what percent larger than b? (a) 20% (b) 25% (c) 50% (d) 100% (e) 200%

    asked by Ash
  42. Chemistry please check

    1. Which of the following would occur as saturated hydrocarbons? alkanes alkenes alkynes cycloalkynes ans: alkanes 2. There are millions of organic compounds but only thousands of inorganic compounds because atoms of elements other than carbon never

    asked by Mary
  43. physics

    A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.30 long and the ball has a radius of 0.170 with

    asked by jose
  44. physics

    A short train (an engine plus four cars) is accelerating at 1.10 . The mass of each car is 38000 , and each car has negligible frictional forces acting on it. In solving this problem, note the importance of selecting the correct set of cars to isolate as

    asked by jose2
  45. science

    I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the same as the study guide almost. They just switch around the words and stuff around to mess with your mind. These were just the only

    asked by JAKE
  46. Physics

    It is probably easy, but i don't know where to start A hockey puck leaves a player's stick with a speed of 9.50 m/s and slides 27.0 m before coming to rest. Find the coefficient of friction between the puck and the ice. Thank You for helping me!!!

    asked by matt
  47. physics

    I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,

    asked by jose
  48. Algebra

    What is the sum of all two digit positive integers whose squares end with the digits 01?

    asked by Ash
  49. Algebra

    All the even numbers from 2 to 98 inclusive, except those ending in 0, are multiplied together. What is the rightmost digit, that is, the units digit of the product? (a) 0 (b) 2 (c) 4 (d) 6 (e) 8

    asked by Ash
  50. english

    so i have to write a story in which the main character makes a mistake, get into amusing trouble, and tries to get out of it. i need an idea to start out with if someone can give me a who what when where why and how that wud be also fantastic thankz p.s. i

    asked by Anonymous
  51. math..HELP!

    Can someone check over these math problems that I did? Please? 1. The bloodhound, a type of dog, has 4.0 X 10^9 (10 to the ninth power) scent receptors in its nose. A human has 1.2 X 10^7 scent receptors. How many times more scent receptors does a

    asked by skye
  52. chemistry

    When 0.627 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 102C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. The molar heat of reaction, H rxn,

    asked by Anonymous
  53. Programming

    How do I declare how many boxes there are and how much per box with this information..... Write an IceCreamStation class in Java. An ice cream station sells ice cream cones, but needs to buy ice cream (by the pint) and cones (by the box) to make the ice

    asked by Scotty
  54. geometry

    What is an easy way to find the orthocenter of a triangle?

    asked by Lauren
  55. Economics

    A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain $15 million. If the project fails, she will lose $3 million. She estimates there is a 20% chance that the project will succeed and

    asked by Devon
  56. English

    i got some ideas from ms.sue (thank-you) How about -- a kid who boasts that his big brother can beat up another kid's big brother? or -- a person who shoplifts a candy bar and is then accused of shoplifting much more? or -- a girl who boasts about her

    asked by Anonymous
  57. Math: Vectors - Collinear

    Can you please check whether my answers are correct? If they aren't, how would you find if the points are parallel to one another with 3 coordinates? Using vectors, demonstrate that these points are collinear. a) P(15 , 10) Q(6 , 4) R(-12 , -8) Vector PQ =

    asked by Anonymous
  58. AP CHEM

    For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate

    asked by Gabe
  59. physics

    if a neutral object lost 2 electrons, what would it's charge be? it would be positive right?

    asked by carrie
  60. Physics

    I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,

    asked by Jose
  61. Math

    If a graph is a straight non-verticle line, is it the graph of a function? Use complete sentences to explain your reasoning.

    asked by Jennifer
  62. Poetry

    What is an analysis of the poem A Dream Within A Dream by Edgar Allen Poe?

    asked by Frances
  63. Chemistry

    The reaction X + Y --> Z the reaction rate is for to depend only upon the concentration of X. A plot of 1/X versus time gives a straight line. What is the rate law for this reation?

    asked by Lauren
  64. Chemistry

    An aqueous solution of a non electrolyte boils at 100.32 degrees C. The expected freezing point for this solution is ______? (Kb water = 0.512 degrees Cm^-1, Kf water= 1.86 Degree C m^-1) a. 0 Degrees b. -0.32 c. -0.83 d. -1.16 e insufficient information

    asked by Lauren
  65. algebra

    how do you solve this? x+4/x^2-x-6 + 3x-2/x^2+3x+2

    asked by Anonymous
  66. math

    solve using substitution 4x + 3y= -3 2x + y = -1

    asked by jose
  67. physics

    The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at

    asked by Samantha
  68. English

    in chapter 6 what is 1)contrast the attitudes of jack and ralph to the news of the beast. 2)what us the beast from the air? and 3) what is meant by "Piggy hung about near for all his brave words?"

    asked by Lindsay
  69. Math

    Calculate the integrals by partial fractions and using the indicated substitution. Show the results you get are the same. dx/1-x^2; substitution x= sin pheta I understand how to do the partial fraction part, but not the second part and I don't know how

    asked by Jessica
  70. Chemsitry

    Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00

    asked by Anonymous
  71. Physics still don't get it

    Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quarter-mile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in

    asked by Anonymous
  72. Physics

    An object of mass 13 kg going to the right with a speed of 9m/s collides with a 10kg object at rest. If the collision is completely elastic, calculate the speed of the 10 kg object after collision.

    asked by Maria
  73. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above

    asked by Math help
  74. Math

    finding the area of each trapazoid

    asked by Alicia
  75. Physics

    With the engines off, a spaceship is coasting at a velocity of +210 m/s through outer space. It fires a rocket straight ahead at an enemy vessel. The mass of the rocket is 1350 kg, and the mass of the spaceship (not including the rocket) is 2.5 106 kg. The

    asked by Vaughn
  76. mathematics

    seeds of type A and type B are sold in packets, each must contain 1) both type a and type b seeds 2) at least twice the amount of type B as there are type A 3) no more than 12 seeds state the minimum number in each paket of type A and of type B if here are

    asked by keisha
  77. math

    I need help with equations. -4X+Y=16

    asked by Anonymous
  78. Bio

    Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and

    asked by Grade 12 Biology
  79. American History

    When did the United States own all the lands from Atlantic Ocean to Pacific Ocean?

    asked by Nancy
  80. Chemistry

    When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked by Anonymous
  81. math

    solve using substitution 3x-4y=-5 x=y+2 HELP Me.!

    asked by juan
  82. algebra

    Simplify ^3sqrt1000

    asked by becky
  83. Economics

    Using a diagram. What is the value of the gain to the domestic consumers due to the removal of the tariff in a large country?

    asked by Celia
  84. math

    Generalize this to fine a formula for the integral: sin(ax)cos(bx)dx Could someone tell me what they got for an answer so I can check it to see if my answer is right. My answer: -1/2sinasinbx^2-1/3acosaxcosbx^3+ integral 1/3 a^2cosbx^3sinax..I'm not sure

    asked by Jessica
  85. algebra 2

    Could you help me on solving these please? thanks -135 = -5b^-3 and -9.6=-.3b^x

    asked by cal
  86. science

    the alkaline-earth metals react similarly because they all have the same number of electrons in their outer energy level. Which group contains the alkaline-earth meatals?

    asked by Lenell
  87. physics

    Conductor "A" has a charge of +6 and conductor "B" has a charge of -8. If the 2 objects are brought together and then separated, what will be the chage on each object?

    asked by carrie
  88. CHEMISTRY PLEASE HELP

    For the reaction A + 2B + C ----> 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate

    asked by Gabe
  89. chemistry

    when will a displacement reaction not occur?

    asked by mike
  90. Algebra

    What is the sum of all possible digits that could fill in the blank in 47_021 so that the resulting five digit number is divisible by 3?

    asked by Ash
  91. Science

    The first speed limits for cars were two miles per hour in a city and four miles per in the open country. How long would it take for a motorist to travel 15 miles assuming that he had to travel in the city. Please show work.

    asked by Jennifer
  92. english/please revise

    objective is to cmpare their "differing academic backgrounds and approaches to studying the presidency" Do I need to add enything else? Maximizing the notion of a modern presidency, dating back to Franklin D. Roosevelt, political scientist Richard Neustadt

    asked by christi
  93. MAth

    Can someone check over these math problems that I did? Please? 1. The bloodhound, a type of dog, has 4.0 X 10^9 (10 to the ninth power) scent receptors in its nose. A human has 1.2 X 10^7 scent receptors. How many times more scent receptors does a

    asked by skye
  94. biology

    most cells have a powerhouse organelle energy from sugars and fatty acids.These powerhouse organells are called what?

    asked by chris
  95. Science

    How do speakers work I am in 8th grade and have to write a 5 pargaph essay

    asked by katie
  96. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what interval you would expect the middle 95% of the IQ scores to be found.

    asked by Math help
  97. Algebra

    Find the following. Assume that variables can represent any real number. SqRt(a+8)^2= 8a^2?

    asked by Micah
  98. Communications

    I need help finding information on the Social Penetration Theory

    asked by lori
  99. algebra

    i need to simplify the square root of 600 and the answer is 2 times the square root of 2 divided by 3

    asked by cindy
  100. Aed 200

    What are the fundamental differences between Western philosophies and Eastern ways of knowing? (Generally, how does each culture view the world and education?) How can you incorporate seemingly different ways of knowing in your curriculum? What are the

    asked by Dawn
  101. holidays and temp.

    what season is easter in? is it spring? how about thanksgiving day? what season is that in? How's the weather in winter for Alaska and Seattle?

    asked by anonymous
  102. Chemistry

    The reaction X + Y --> Z the reaction rate is for to depend only upon the concentration of X. A plot of 1/X versus time gives a straight line. What is the rate law for this reation?

    asked by Lauren
  103. Science

    what are some nonliving and/or living factors that contributes to energy conservation?

    asked by Anonymous
  104. Chem history

    Why was carbon chosen over silicon in defining the mole?

    asked by Kurst
  105. Math

    Hello! Please help me out here. How do you find the circumference of something when you of 13in as your radius? Please answer this question.

    asked by Richard
  106. ORGANIC CHEMISTRY

    how will I be able to form the cis,trans and the cis,cis isomers of dibenzalacetone?

    asked by kkk
  107. Math

    Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts.

    asked by Sherri
  108. Devon

    A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain $15 million. If the project fails, she will lose $3 million. She estimates there is a 20% chance that the project will succeed and

    asked by Economics
  109. biology

    describe 4 steps of "Aerobic Cellular Respiration"

    asked by lalaine
  110. Math

    If f(x)= 5x^2-4/x, findf(4) 5(4)^2-4/4 5(16)-4/4 80-4/4 76/4 19(answer)

    asked by Jon
  111. Science

    Could you help me formulate a hypothesis that explains the changes in population of the yellow-headed blacbird. Factors that influence this change are; -Air and Water Quality -Climate Change -Human Activities But what could be the hypothesis. Thank you in

    asked by Lauren
  112. Math

    Evaluate h(-2/3)if h(x)=[[x-2]]. [[-2/3-2]] [[-2.67]] 2.67(answer)

    asked by Jon
  113. Algebra

    The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.

    asked by Ash
  114. Math

    Is y=4(x)+9 a linear function. Use a sentence to explain your reasoning.

    asked by Jennifer
  115. biology

    what involves the ingestion of fluid by inward movement pf part of the membrane

    asked by chris
  116. Algebra

    GCF for the group of terms -42a^4, 7a^5 42a?

    asked by Micah
  117. science

    Does flowers store food?

    asked by shana
  118. history

    How did Indian and European-American cultures affect each others?

    asked by sammy
  119. biology

    what involves the ingestion of fluid by inward movement of part of the membrane

    asked by chris
  120. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score above 116.

    asked by Math help
  121. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score 68 and 84.

    asked by Math help
  122. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score of at least 132.

    asked by Math help
  123. AP History

    Does anyone know a web site where I can get answers to an AP History packet?

    asked by Shelly
  124. Biology Lab

    Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and

    asked by FOR A SCIENCE TEACHER
  125. language

    list of most popular homophones

    asked by Darian
  126. COM 135

    Identify the optional criteria you want to include in your final project, and explain your reasoning for selecting these options. · Describe the technical or electronic product you have chosen for the Clear and Concise Technical Instructions assignment.

    asked by Dawn
  127. Business law

    I am trying to understand what it means to be "incompetent" in Law. How is one judged as such?You can't tell by just looking at someone if wheteher they are incompetent or not to enter into a contract? I am really confused.

    asked by Mike
  128. chemistry

    When 0.911 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 374C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked by jenivy
  129. Physics

    A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the

    asked by John
  130. maths

    FIND A FRACTION SUCH THAT: IF YOU ADD 2 TO THE NUMERATOR, IT BECOMES EQUIVALENT TO 0.5; AND IF YOU ADD 4 TO THE DENOMINATOR, IT BECOMES EQUIVALENT TO 0.1.

    asked by chichi
  131. SCI

    what are some nonliving and/or living factors that contributes to energy conservation?

    asked by Anonymous
  132. grammar

    UNSCRAMBLE THESE LETTERS TO MAKE A MATHEMATICAL WORD. NORTHTREDEA

    asked by chichi
  133. arithmetic

    i am a multiple of 7.i am a fector of 210.the product of my two digit is odd.

    asked by shennay
  134. US History

    why are some narrative of slave consider bias by historian?

    asked by linh
  135. algebra

    i need help on these three..thank you...find the real number solutions of the equation..-2v^6=16 2h^5-12=-16h 3q^4+3q^3=6q^2+6q

    asked by jimmy
  136. PLeASE Help

    Can someone please take a look at my biology questions I have posted? I am doing a lab that is due tomorrow ( Only got it today) and I haven't learned enough to properly answer these questions. Thanks!

    asked by Grade 12 Biology
  137. english

    for my extended essay i need help reword a question. right now it sounds like a "book report" type question and i need it to a question where i can prove it. Here it the question: Has foot binding effected the culture of Chinese women throughout the ages?

    asked by sara
  138. Latin

    Can someone help me to understand the step by step process of the five declensions? I don't seem to understand what makes the first only feminine, etc, etc. If someone could explain it clearly that would be great!

    asked by Suomynona
  139. Chemistry

    could you please check my work? thanks. For the reaction between reactants A and B below, if 4.925 moles of A is placed into a flask with excess B it is found that the amount of A remaining after 6.85 seconds is 2.737 moles. 2A (g) + B (g)-----> 3 C (g) a.

    asked by Kevin
  140. Math

    How do I set up this equation? If Y varies directly as X and Y = 12 when X = 3, find Y when X = 16

    asked by Sarah
  141. science

    how many electrons are in the outer energy level of the atoms of alkaline-earth metals?

    asked by Lenell
  142. Math

    Write an equation in slope-intercept form for the line that passes through (3,5) and (-2,1). y2-y1/x2-x1 1-5/-2-3 -4/-5= slope y=mx+b y=-4/-5(3)+b -2=2.4+b -4.4= y-intercept y= -4/-5x+4.4 (answer)

    asked by Jon
  143. History

    What things need to be considered in finding a solution for the oil problem in the Middle East? What obstacles are there in solving the oil issue?

    asked by Christian
  144. science

    This is a science question so be prepared. lol How many orbitals does hydrogen (H) have? 1 or 2 or 3 How many orbitals does oxygen (O) have? 1 or 2 or 3

    asked by JAKE
  145. simplifying radicals

    helo! i know how to simplify radicals but.. I don't get this one. behind of the radical (square root sign) there is a big gap before the number. Many people are saying it's a typo, but.. i don't know. there are a couple like that. example problem: square

    asked by jason
  146. Kinetics

    I'm really struggling to understand this chapter in chem class, partly due to an inadequate math background. does anyone have any tips for learning kinetics? i'm starting to fall behind.

    asked by Gabe
  147. Math

    OOPS! Draw a pair of quads. where the angles of the 1st quad. are congruent to the angles of the 2nd quad. No side of one quad. is to be congruent to any side of the other quad. THIS is straight out of the workbook SORRY!

    asked by Austin
  148. chemistry

    reinforcement??????????????????? help

    asked by Lenell
  149. AED

    Compare the behaviorist and constructivist educational theory. In what situations do you think either theory will be more effective in the classroom? Why?

    asked by Dawn
  150. social studies

    For school I have to write a report about Kashmir. (I think that's how you spell it.) Anyway, I know that there is a lot going on with Nuclear bombs and such, but I am not sure what else. This report has to be at least 2 pages long and I can't think of

    asked by Taylor
  151. poli sci

    whatdoes a statecraft appraoch mean?

    asked by christi
  152. science =)

    How do the local schools contribute to the weather forecast? thx a lot!!

    asked by Nick
  153. History

    Who were the First Nations people living by Lake Huron? What was started to protest the signing of the Rebellion Losses Bill in the Parliament Buildings in Montreal? What is a colony that is governed directly by a king or queen in another country?

    asked by Alyssa
  154. reading

    what is a stressed vowel??

    asked by alyssia
  155. biology

    the blank is a series of canals that forms intricate connection links between the plasma membrane and the nuclear membrane

    asked by chris
  156. SCIENCE

    How do the purpose and function of the board of directors in a human service organization affect day-to-day operations?

    asked by Anonymous
  157. social studies

    unleart

    asked by megan
  158. Chemistry

    How can you tell the wavelength of blue light if given it's frequency?

    asked by karen
  159. NURSING

    identify a new law or regulation that affects the practice of public health or community health nursing.

    asked by Laly
  160. nURSING

    identify a new law or regulation that affects the practice of public health or community health nursing

    asked by Laly
  161. English

    does this need a comma: Over six billion souls in the world and they all have something in common. Thanks for ur help.

    asked by J
  162. English

    Is this a strong thesis: The characters of the novel demonstrate how misery drives people to do things they would not normally do.

    asked by J
  163. English

    Can someone please list the elements of literature?

    asked by Billy
  164. english

    i have to act out the first half of act3 scene 5 in romeo and juliet and i have to have some props. does anybody have any ideas for what i could use?

    asked by christina
  165. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What percent of people would have an IQ score of no more than 68. (2).What percent of people would have an IQ score of 100 or above.

    asked by Math help
  166. english

    when citing long quotes do i put the parentheses with the page # after the period or before? thanks for ur help.

    asked by J
  167. english

    ya i cant find any because all they are doing in my part is talking and they don't use any props... so i don't know what to do ..

    asked by christina
  168. math

    Can two rays intersect? Explain.

    asked by James
  169. Algebra

    10^7x8.48= 848,000,000?

    asked by Micah
  170. Chemistry

    The foreces of attraction between molecules of I2 are: covalent bonds ionic bonds dipole-dipole attractions london forces hydrogen bonds

    asked by Lauren
  171. nothing

    Quick question: what time zone are the times by the names in? and how many hours do you subtract or add to get the time for pacific coast?

    asked by Emily
  172. world history

    were the latins the most important group of people to settle in the German region

    asked by cody
  173. history

    which sides slave on during the Civil war? and why did they switch side?

    asked by robert
  174. Science

    Does a body in orbit have acceleration even if its speed remains constant? Explain you answer in DEETAIL.

    asked by Jennifer
  175. American history

    Why sometime historian consider Narrative of Slaves are bias and not true ?

    asked by Anonymous
  176. Bio lab question 2

    What does adding an acid to an enzyme do to a reaction?

    asked by Grade 12 Biology
  177. algebra

    complete the square for the equation x^2-3x+____ how do I figure out what goes there

    asked by chelsea
  178. Math

    3,17392% of 3,123. Please help me on this problem.

    asked by Peter
  179. Algebra

    Simplify 3(sqrt{2xy}) - 2(sqrt{50xy})

    asked by Destiny
  180. Biology

    Hey guys, does anyone know why the coypus callosum is only one color in the brain?

    asked by Dick Rogers
  181. french

    in french what country is caledonie i can`t find it on the other sites mentioned before. thankyou

    asked by carla
  182. does my paragraph assess # 1 ?

    assigment was to compare th views of presidential power and preisdential leadership by corwin and nesutadt include #1) their differing academic backgrounds and approaches to studying the presidency. Maximizing the notion of a modern presidency, dating back

    asked by christi
  183. chemistry

    Why is; a) antimony pentafluroide Sb(-3) + F5(-1) --> SbF4 ? b) aluminium bromide hexahydrate Al(-1) + Br(-1) --> AlBr3 . 6H2O ? The charges don't add up for (b), is there something to do with the "ide"? I don't get it. And for (a) how did "pentafluoride"

    asked by annie
  184. chemistry

    Please finish: Atoms of different elements have different number of ......

    asked by lizzie
  185. econ

    Would the war in Iraq be considered an economic even that is affecting our lives because the prices of everything are being increased?

    asked by lou
  186. science

    when was the first microscope discovered?

    asked by ana
  187. Partial Fractions

    I think- and this is just out loud- that you would do (Cx + D) Over the X^2 + 2? Am I getting that right? OR You have Cx + D over something if the SOMETHING has a term of X to a power greater than one? Am I right?

    asked by Sean
  188. Math

    ( / means absolute value) Solve: 3+/2y-1/>=1. Graph the solution set on a number line. The number line I have is: -5 -4 -3 -2 -1 0 1 2 3 4 5 6 I'm confused on what to do.

    asked by Jon
  189. Ecology

    What are the 4 major parts of a Nuclear power plant?

    asked by Sarah Foly
  190. school

    what are some nonliving and/or living factors that contributes to energy conservation?

    asked by Anonymous
  191. PlEaSe HeLp Me!!!

    Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem

    asked by Kathryn
  192. Math

    Write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x-1. y-y1=m(x-x1) y-7=2/1(x-0) y-7=2x-0 y=2x+7(answer)

    asked by Jon
  193. Math

    Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!

    asked by Austin
  194. Geometry

    Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!

    asked by Austin