Questions Asked on
April 13, 2010

  1. Chemistry

    Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time? a) argon b) hydrogen c) neon d) oxygen

    asked by Lee
  2. statistics

    The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes. Using the 68-95-99.7 rule, if students are given 90 minutes to complete the exam, what percentage of students will not

    asked by abby
  3. Chemistry

    Identify the solvent and the solute in vinegar, a dilute aqueous solution of acetic acid.

    asked by Danny
  4. statistics

    According to a study of 90 truckers, a trucker drives, on average, 540 miles per day. If the standard deviation of the miles driven per day for the population of truckers is 40, find the 99% confidence interval of the mean number of miles driven per day by

    asked by Anonymous
  5. Chemistry

    Calculate the total quantity of heat required to convert 25.0 g of liquid CCl4(l) from 25.0°C to gaseous CCl4 at 76.8°C (the normal boiling point for CCl4)? The specific heat of CCl4(l) is its heat of fusion is and its heat of vaporization is

    asked by Bob
  6. Chemistry

    Calculate the percent by mass of water in magnesium sulfate heptahydrdrate (MgSO4-7H2O)

    asked by Kim
  7. Chemistry

    A sample of fresh grapefruit juice was filtered and titrated with the above I2 solution. A 100 mL sample of the juice took 9.85 mL of the iodine solution to reach the starch endpoint. a. What is the concentration of vitamin C in the juice in mg vitamin

    asked by Anonymous
  8. Chemistry

    Assuming that sea water is a 3.5 wt % solution of NaCl in water, calculate its osmotic pressure at 20°C. The density of a 3.5% NaCl solution at 20°C is 1.023 g/mL.

    asked by Bob
  9. math

    how do u write 5.98x10 to the 24 power in expanded notaion??

    asked by uyj
  10. Chemistry

    Which of the following substances dissolve to a significant extent in water? Explain your answer in terms of polarity. a) CH4 b) KCL c)He d)MgSO4 e)sucrose f)NaHCO3

    asked by Jack
  11. physics

    Interestingly, there have been several studies using cadavers to determine the moment of inertia of human body parts by letting them swing as a pendulum about a joint. In one study, the center of gravity of a 5.0 kg lower leg was found to be 18 cm from the

    asked by zidd
  12. Finance

    Slater Lamp Manufacturing has an outstanding issue of preferred stock with an $80 par value and 11% annual dividend. What is the annual dollar dividend? If it is paid quarterly, how much will be paid each quarter?

    asked by Jill
  13. Chemistry

    Predict whether the equivalence point of each of the following titrations is below, above, or at pH 7: Pyridine titrated with nitric acid

    asked by Joan
  14. ap chem

    Find the molecular mass of a solute by freezing point depression. Solvent: para-dichlorobenzene Freezing point of pure solvent: 53.02C Mass of unknown substance: 2.04g Freezingpointdepressin constant:7.1c/m Mass of para-dichlo...: 24.80g Freexing point

    asked by anonymous
  15. Physics

    The work function for potassium is 2.24eV. If potassium metal is illuminated with light of wavelength 310 nm, find the maximum kinetic energy of the photoelectrons. I have tried everything and still keep getting the wrong answer. The speed of light is 3 ×

    asked by Emily
  16. Chemistry

    Calculate the percent by mass of water in magnesium sulfate heptahydrdrate (MgSO4-7H2O)

    asked by Kim
  17. physics

    A coin rests 15 cm away from the center of a turntable. The turntable starts to rotate at an angular acceleration of .8 rad/s^2 and after 7 seconds it slides off. What is the coefficient of static friction between the coin and the surface? Just give me

    asked by phill
  18. Physics

    A woman, driving a golf ball off a tee, gives the ball a velocity of 28.0 m/s. The mass of the ball is 0.045 kg, and the duration of the impact with the golf club is 6 x 10-3 s. 3a. What is the change in momentum of the ball

    asked by Arnold Manguy
  19. Chemistry

    How much heat is released when 75.0 g of steam at 100.0°C is cooled to ice at -15.0°C? The enthalpy of vaporization of water is 40.67 kJ/mol, the enthalpy of fusion for water is 6.01 kJ/mol, the molar heat capacity of liquid water is 75.4 J/(mol °C),

    asked by Bob
  20. Chemistry

    what is the pressure exerted by 32g of 0xygen(O2) in a 22.0 L container at 30.0`C? What Law do I use?

    asked by Lee
  21. math

    what 2 integers do the square root of 93 lay between.

    asked by christopher
  22. Chemistry

    Which of the following substances dissolve to a significant extent in water? Explain your answer in terms of polarity. a) CH4 b) KCL c)He d)MgSO4 e)sucrose f)NaHCO3

    asked by Kim
  23. Calculus

    A certain radioactive material decays exponetially. The percent, P, of the material left after t years is given by P(t)= 100(1.2)^-t a)Determine the half life of the substance

    asked by lala
  24. vector

    If two vectors u and v fit the equation (u − v) • (u − v) = u•u+v•v, how must these vectors u and v be related? What familiar theorem does this equation represent?

    asked by sally
  25. Chemistry

    Distinguish between efflorescent and hygroscopic substances.

    asked by Keith
  26. math

    Centered 6 meters above the ground, a Ferris wheel of radius 5 meters rotates at 1 degree per second. Assuming that Jamie’s ride begins at the lowest point on the wheel, find how far Jamie is above the ground after 29 seconds; after 331 seconds; after t

    asked by sarah B
  27. Mathmatics

    The highway department keeps its sand in a conical storage building that is 24 feet high and 64 feet in diameter. To estimate the cost of painting the building, the lateral surface area of the cone is needed. To the nearest square foot, what is the area?

    asked by Yadlay
  28. chemistry

    why is fe 2+ a better reducing agent then mn2+. ( I thought since mn2+ had a higher Eox it would be better)

    asked by chemstudent
  29. Physics

    A student gets a 2.9 kg mass to oscillate up and down on bottom of a light vertical spring by pulling her hand up and down on the top end of the spring. The spring is a real spring with a spring constant of 93 N/m and a damping constant of 0.7 N sec/m. (b)

    asked by Jacob
  30. Chemistry

    Suppose a hydrogen-oxygen fuel-cell generator was used to produce electricity for a house. Use the balanced redox reactions and the standard cell potential to predict the volume of hydrogen gas (at STP) required each month to generate the electricity

    asked by Katelynn
  31. geometry

    There are two noncongruent triangles that have a 9-inch side, a 10-inch side, and that enclose 36 square inches of area. Find the length of the third side in each of these triangles.

    asked by sarah B
  32. geometry

    Draw the unit circle and a first-quadrant ray from the origin that makes an angle theta with the positive x-axis. Let B be the point on this ray whose x-coordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of theta, find its

    asked by yadlay
  33. English

    1. She likes playing with her dog. 2. She likes playing with a puppy. 3. She likes playing with her puppy. 4. She likes playing with puppies. (Which expression is commonly used?) 5. Why do people call New York the Big Apple? 6. Why do people call Chicago

    asked by rfvv
  34. Last One [Chemistry]

    When the Kelvin temperature of an enclosed gas doubles, the particles of the gas ___?

    asked by Lee
  35. List all the elements of the following sets.

    Let and List all the elements of the following sets. A = {1,2} and B = {0,1,2} A x A A x B B x A A x B x A how do i do this?

    asked by looking for someone to varify my work please
  36. CHemistry

    Redox equations are often long and difficult to balance by inspection. Luckily, electron transfers and oxidation numbers provide hints for balancing such equations. Balance the following equation: K2CrO4 + Na2SO3 + HCl ---> KCl + Na2SO4 + CrCl3 + H20

    asked by Katelynn
  37. chemistry

    how many moles of oxygen are needed to react with 3.5moles of ethylene, considering the combustion of ethylen C2 H4 + 3O2 -- 2CO2 + 2H2 O how would i solve this question what would be the steps

    asked by Jazminh
  38. Chemistry

    How would the pH differ for a 0.1M solution of NaHCO3 vs 0.2M NaHCO3 - remain the same, double, half,or can't be calculated without Ka or Kb?

    asked by HELP
  39. English

    1. There is only a little water in the glass on the table. 2. There is only little water in the glass on the table. (What is the difference between them? Are both the same? Because of 'a', do they have different meanings?) 3. There are only a few paper

    asked by rfvv
  40. calculus

    Is this a correct answer, I'm trying to integrate the marginal revenue function to get the function for total revenue. R'(x)=(30/(2x +1)^2)+30 =R(x)=(-15/2x+1)+30x

    asked by Cheryl
  41. chemistry

    The value of the equilibrium constant (Kc) as represented by the first chemical equation is 2.70 x 10-3 at 1200 K. Calculate the value of the equilibrium constant (Kc) for the second equation at the same temperature. Express answer in scientific notation.

    asked by andy
  42. 9th grade Algebra 1

    Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the poster

    asked by Mimi<3
  43. Chemistry

    A student completes a titration by adding 12.0 milliliters of NaOH(aq) of unknown concentration to 16.0 milliliters of 0.15 M HCl(aq). What is the molar concentration of the NaOH(aq)?

    asked by Gemma
  44. chemestry

    how many moles of ammonia contain 1.51 x 10 24power NH3 molecules need help with formula please

    asked by leslie
  45. Chemistry

    The value of the equilibrium constant (Kp) as represented by the first chemical equation is 1.02 x 102 at 727 °C. Calculate the value of the equilibrium constant (Kp) for the second equation at the same temperature. Express answer in scientific notation.

    asked by Amphee
  46. chemistry

    If 11.5 g of CCl_3F is enclosed in a 1.2L container, will any liquid be present?

    asked by Anonymous
  47. PHySICS

    A rod 14.0 cm long is uniformly charged and has a total charge of -22.0 μC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. ans:E = 1.59e6 N/C, pointing to the left

    asked by ChEm
  48. Physics help please!

    The engine has an efficiency e1. The engine takes input heat Qh from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine, which has an efficiency e2 and delivers work W2. The overall efficiency

    asked by Mike
  49. ChEMISTRY (Help please)

    Calculate the mass percent of acetic acid in acetic acid solution. Average molarity= .8806753M Average density= 3.27463 Molar mass of acetic acid= 60.042g

    asked by Michelle
  50. physics

    Your brothers mass is35.6kg and he has a1.3 kg skateboard.what is the combined momentum of your brother and his skateboard if they are going 9.50m/s?

    asked by monaya
  51. Business

    Consider the wide spectrum of business organizations, ranging from gigantic corporations to working at home. Describe at least three types of business organizations that you are familiar with or that you would like to know more about. How is each one

    asked by Joe
  52. Ethics and moral issues

    How do child day cares deal with the relationship between ethics, morality, and social issues in the legal environment? I hope somebody can help me.

    asked by AMW
  53. Math

    A survey revealed that 4 out of 5 people prefer vanilla ice cream to chocolate. In a class of 30 how many students are likely to prefer chocolate ice cream?

    asked by christopher
  54. Geometry

    A rectangular prism has a volume of 54 cubic centimeters. If the length, width, and height are all changed to 1/3 of their original size, what will be the volume of the new rectangular prism?

    asked by Mike
  55. Chemistry

    How much energy is emitted in each α decay of plutonium-234? (234Pu, 234.0433mu; 230U, 230.0339mu; 4He = 4.0026 mu). I tried finding the difference in mass first: (230.0339 + 4.0026) - (234.0433) = -.0068 mu I then converted from amu to kg by multiplying

    asked by Trixie
  56. physics

    A 0.940 kg block is attached to a horizontal spring with spring constant 2550 N/m. The block is at rest on a frictionless surface. A 7.90 g bullet is fired into the block, in the face opposite the spring, and sticks. What was the bullet's speed if the

    asked by zidd
  57. Phsyics

    In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016 kg and a radius of 8.50 km. What is the speed of a satellite orbiting 4.70 km above the surface? What is the escape speed from the

    asked by Mikhail Moskvich
  58. 11th grade

    a spring with a spring constant of 4 newtons per meter is compressed by a force of 1.2 newtons. what is the total elastic potential energy stored in this compressed spring

    asked by Anonymous
  59. biology

    1. Some photosynthetic bacteria are able to harvest 900-nanometer light (4 points). A. What is the energy in kilocalories of a mole (an einstein) of 900-nanometer light? B. What is the minimum number of 900 nanometer photons needed to form one molecule of

    asked by andy
  60. Chemistry

    Identify the solvent and the solute in vinegar, a dilute aqueous solution of acetic acid.

    asked by Danny
  61. math

    The 18th hole at the Riverwoods Golf Course is 441 yards long. How long would it be on a model with a scale of 2.5 inches to 100 yards? I do not understand how to figure this out.

    asked by Bart
  62. Chemistry - nomenclature

    IUPAC name for Dibenzalacetone: The molecule is symmetric with 2 benzene rings on each end and a ketone in the center. So is the "longest chain" that is to give the root of the name considered to be one of the 6C benzenes. OR is the root of the name

    asked by Anonymous
  63. chemistry

    The thermite reaction is a very exothermic reaction; it has been used to produce liquid iron for welding. A mixture of 2 mol of powdered aluminum metal and 1 mol of iron(III) oxide yields liquid iron and solid aluminum oxide. How many grams of the mixture

    asked by Nancy
  64. math

    lara arranged the books in her bookshelf by size. 2/10 of the books were tall and 1/2 of the books were medeium sized. If 12 of the books were small, how manyu total books did she arrange?

    asked by alisha
  65. 11th grade chemistry

    in 1D there are 4g of Zinc. How many moles of Barium Hydroxide are required?

    asked by Amanda
  66. Chemistry

    (a) The total mass of carbon contained in fossil fuels that was burned in the world from 1750 to 2000 was estimated to be 2.9 x E14 kg C. The amound of carbon released as carbon dioxide from agricultural expansion and deforestation over this period is

    asked by Anonymous
  67. Algebra

    Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2

    asked by Tamir
  68. 8th grade

    what kind of electron determines if a compound is covalent or ionic?

    asked by Cesar
  69. algebra

    A rectangular storage building is 30 feet long and 25 feet wide. Find the ratio of the length to the primeter of the bulding. now I divided 30 by 25 and got 1.2 feet is that correct?

    asked by christopher
  70. Physics

    Two geekie physics students with a combined mass of 131 kg jump into their old car to run out for some late night pizza. The distance between the front and back axles of the car is 2.9 m. When they get in the car, the springs compress a total of 9.3 cm. On

    asked by Jacob
  71. statistics

    if young men thought that their own level of muscle was about what women prefer, the mean "muscle gap" in the study would be 0. we suspect that young men think women prefer more muscle than they themselves have. a)what is the value of he test statistic Z?

    asked by steven
  72. Physics

    A 1000kg car is traveling along a level road at 20.00ms, when the brakes are applied long enough to do 50000 J of work. 1) what is the initial kinetic energy of the car? 2) if the car moved 100m while the brakes where applied, what was the average force

    asked by Kirsten
  73. Science-Bohr Model 2

    For the metal elements, whats the connection between the ion charge and the # of electrons in the outershell? I wrote: The ion charge is positive for all metal elements and the electron # increases. please add any other info, thanks

    asked by Sara
  74. Managerial Economics

    Tots-R-Us operates the only day-care center in an exclusive neighborhood just outside of Washington, D.C. Tots-R-Us is making substantial economic profit, but the owners know the new day-care centers will soon learn of this highly profitable market and

    asked by Suzie
  75. math - combinations

    Each hand in the game of bridge has 13 cards dealt from a regular deck of 52 cards. a) How many different bridge hands are possible? b) How many different bridge hands have all pour aces in them? c) How many different bridge hands have no aces in them? I

    asked by CL
  76. English

    SICK "I cannot go to school today," Said little Peggy Ann McKay, "I have the measles and the mumps, A gash, a rash, and purple bumps. My mouth is wet, my throat is dry, I'm going blind in my right eye. My tonsils are as big as rocks, I've counted sixteen

    asked by Sara
  77. chem lab (webwork)

    What is the pH of the solution created by combining 1.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH pH wHCl pH wHC2H3O2 1.80 Complete the table below: What are the pH values if you take

    asked by anonymous
  78. physics

    do all electrons ejected from a metal surface have the same kinetic energy?

    asked by Anonymous
  79. matrices

    Two matrices can be multiplied only if their sizes are compatible. Suppose that U is an m × n matrix, and that V is a p × q matrix. In order for U•V to make sense, what must be true of the dimensions of these matrices? Although matrix multiplication

    asked by Yadlay
  80. science

    Given the following reaction, with Kp=1.05 at 250 degrees C what is Kc? The reaction is PCl5 to PCl3+Cl2

    asked by Nick
  81. chemistry

    How do you figure out the answer for the reverse reaction? At 350 K the value of Kp for the equilibrium represented by the balanced equation is 2.87 x 10-2. Calculate the value of Kc for the reverse reaction at the same temperature. Express answer in

    asked by andy
  82. Current moral and ethical issues.

    I need to describe current moral and ethical issues faced by a child's day care. Can somebody give me some current moral and ethical issues?

    asked by AMW
  83. science

    Create A 7- To 10-Slide Powerpoint® Presentation That Describes Environmental Benefits And Challenges Of Urbanization. In Your Own Words, Include Descriptions Of Two 1996 Award Winners, Discussing How They Overcame One Of The Challenges Mentioned In Your

    asked by Shannon
  84. College Physics

    An x-ray photon collides head-on with an electron and is scattered directly back at 160◦ to its original direction. What is the shift in the wavelength of the incident x-ray? do i need to figure out the "compton shift" in order to solve..can someone

    asked by Angie
  85. physics

    A box is pulled across a horizontal surface at a constant speed by a horizontal rope with tension T=30N. The coefficient of friction between the box and surface is uk = 0.05. 1. Calculate the work done by friction as the box moves 4 meters to the right. i

    asked by Jacob
  86. Chemistry

    If the volume of a container of gas is reduced, what will happen to the pressure inside the container?

    asked by Lyly Nguyen
  87. Social Studies

    Are competition and good conduct compatible when it comes to the broadcasting industry? Personally i think that theres a lot of places that are willing to be decietful and lie to gain viewership. Theres a lot of companies that just want to be popular,

    asked by Jon
  88. math

    Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u − v. Place u and v tail-to-tail to form two sides of a triangle. With regard to this triangle, what does u−v represent? Calculate the number u•u and discuss its relevance to the diagram

    asked by sarah A
  89. Chemistry

    What's the difference between a galvanic and electrolytic cell when trying to find which half-rxn is the anode or the cathode? So like when you have two equations, depending on what kind of cell it's in, how can you tell which one is the anode and which

    asked by Nikki
  90. chem

    how do i write a balanced equation for the reaction for Calcium Carbide, CaC2, acetylene gas, C2H2, and calcium hydroxide, Ca(OH)2 are produced

    asked by jaime
  91. algebra

    what is 6(30+7) using distributive property

    asked by maimai
  92. ap physics

    A 6.2 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

    asked by Anonymous
  93. Chemistry

    a solution weighs 44grams. this sample contains 12grams of salt calculate % m/m salt.

    asked by Jazmin
  94. Business Math

    I completed a problem where there was a $7855.00 note at the bank that charges a 14.3 % discount rate. The loan is for 190 days. I found the proceeds to be $7268.31 and the effective rate charged by the bank to be 15.29 %. How do I determine how much money

    asked by Wanda
  95. 7th grade Geography

    What major cities are located on the Gulf Coast?

    asked by Kyra
  96. trig

    The function d=-8cos2t describes a simple harmonic motion, where d is the distance(in meters) an object travel in t seconds. What is the frequency?

    asked by rachel
  97. Chemistry

    If oxygen is removed from a sample of air as iron rusts, what happens to the total pressure of the air?

    asked by Lyly Nguyen
  98. Chemistry

    Two Concept Questions for you: 1) Why is the concentration of a solution such as NaH2PO4 ignored when calculating the pH given Ka1, Ka2, and K3 values? 2) Given Pka1=3.13, Pka2=4.76, and Pka3 = 6.40, calculate the pH of lemon juice which is about 5% citric

    asked by Chemistry Confused
  99. math

    how do i put fractions in order from least to greatest? it's on my homework and i am totally lost. i forgot because i learned this like 2-3 years ago. please help me!

    asked by taylor
  100. math

    I have no idea how to do this: Express the ratio in simplest form. 5 yards to 24 feet convert yards to feet: 12 x 5 = 60 ft. Would the answer be 60:24 ? is this the simplest form if the answer is correct?

    asked by Bart
  101. Religion

    What was Eusebius branded as for his unorthodox beliefs prior to the council of Nicea?

    asked by Maria
  102. social studies

    an important enonmic activity in the caribbean islands today is

    asked by virginia bera
  103. English

    1. Many soldiers died in the Gettysburg Battle. 2. Many soldiers died in the Gettysburg battle. (Which one is correct? Do we have to use 'Battle' or 'battle'?) 3. Dancing is fun. 4. Dance is fun. (Which one is correct? Are both grammatical?)

    asked by rfvv
  104. College Chemistry

    Consider the titration of 29.00 mL of aqueous ammonia with 18.70 mL of 0.1250 M HCl (aq). Kb for NH3 (aq) is 1.8 x 10^-5. A.) What is the formula of the solute at the equivalence point? B.) What is the balanced equation for the ionization of the cation of

    asked by MiShell
  105. chem lab (webwork)

    When a good indicator has been chosen, the pH at which the solution changes color is very close to the point of the titration. Complete the table below: If this "point" for a particular titration occurs at pH x, a good indicator for for the titration would

    asked by need help student
  106. 6th grade

    12d - 9 = 15d + 9

    asked by bailey
  107. Science

    When 260. mL of 1.50 x 10-4 M hydrochloric acid is added to 125 mL of 1.75 x 10-4 M Mg(OH)2, the resulting solution will be

    asked by Bob
  108. business

    I need help understandinddifferent ethics duty-based, consequence-based, rights-based, human nature, relativistic and entitlement-based

    asked by Joyce
  109. marketing

    In Customer Relationship Management (CRM)what is lifetime value of customer? The definition states...The potential profit generated by a single customer’s purchase of a firm’s products over the customer’s lifetime. I am not understanding this fully

    asked by Maria
  110. College Physics

    A gamma ray (a high-energy photon of light) can produce a particle- antiparticle pair, each particle with mass 8.68 MeV/c2 when it enters the electric field of a heavy nucleus: γ ! λ+ + λ− . What minimum γ-ray energy is required to accomplish this

    asked by Angie
  111. Calculus

    Find the point on the curve y=3-x^2 that is closest the point A(6,0).

    asked by Anonymous
  112. chemistry

    does the ph change and how much difference is there (double, triple, same or half) for a solution of 0.1M NaHCO3 vs 0.2M NaHCO3 (volume constant)? Kb not known?

    asked by Larry
  113. science

    What made many scientists think the continents could not have changed position?

    asked by Alexis
  114. Chemistry

    what happen to the pressure of a gas inside a container if the temperature of the gas decreases?

    asked by Lyly Nguyen
  115. math

    time,D/days =1,2,3,4,5,6,7 Number Hits = 6,10,13,27,42,65, 120 on which day does the model predict that the number of hits exceed 1000?ocmment on the reliability of this prediction?

    asked by kenji86
  116. math

    A game is played by flipping three coins. If all three coins lands heads up you win $15. If two coin lands heads up you win $5. If one coin lands heads up you win $2. If no coins land heads up you win nothing. If you play $4 to play, what are you expected

    asked by nicole
  117. math

    Not sure if I did this right. A worker has readings that take minutes each to read and record. How many readings can be completed in 192 minutes? 8/3 = 192/x = 8x = 576/8 = x = 72 Answer = 72

    asked by Bart
  118. college

    How can physical activity improve health and wellness?

    asked by Tiffany
  119. 4th grade

    round each number to the nearest hundred thousand 352,109

    asked by julie
  120. chemistry

    how many moles of ethylene reacted if 0.50 mole of water is produced. C2H4 + 3O2 --- 2CO2 + 2H2O

    asked by Jazminh
  121. math 213 #18

    A student claims that every prime greater than 3 is a term in the arithmetic sequence whose nth term is 6n + 1 or in the arithmetic sequence whose nth term is 6n – 1. Is this true? If so why?

    asked by dan
  122. Physics

    Holding a glass of water filled to a depth of 7.8 cm you step into an elevator. The elevator moves upward with constant acceleration, increasing its speed from zero to 2.2 m/s in 3.1 s. Find the change in pressure exerted on the bottom of the glass during

    asked by Ryan
  123. physics

    A DVD is spinning at constant velocity. Compare and contrast the accelection of point A at the rim of the DVD and point B halfway between the centre and the rim.

    asked by Eddy
  124. language/reading

    is caisted a word?

    asked by marly
  125. english

    equation 4x = 5y + 7. You want to find a line that has that point and is parallel to that line. You must first convert that equation into the y = mx + b form. 5y = 4x - 7; y = 4x/5 - 7/5; we know that a parallel line has a slope that is the same which

    asked by Anonymous
  126. FOR MS SUE

    adjusted book value? market value? Yes, I just want a better understanding. Google is driving me google!

    asked by Sallie
  127. Chemistry

    Distinguish between efflorescent and hygroscopic substances.

    asked by Keith
  128. principles of technology

    an electric toy cart has a mass of 6.0 kilograms and a constant acceleration of 0.50 m/s2. How much work does the net force do on the toy cart as the cart travels 8.0 meters?

    asked by Jean
  129. algebra

    Jean jogged for 2 miles and then walked for 3 miles. Took her 1 1/3 hours. If she jogged twice as fast as she walked, what was her walking rate?

    asked by Layla
  130. Chemistry

    At an altitude of 50.00 km, the average atmospheric temperature is essentially 0 degrees C. What is the average number of air molecules per cubic centimeter of air at this altitude?

    asked by Anonymous
  131. Trig

    Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)

    asked by leo
  132. math

    justifye each step 8=2x-3 8+3=2x-3+3 11=2x 11/2=2x/2 5 1/2=x justify

    asked by lu lu
  133. Chemistry

    the student stopped the first careful titration when a deep pink color was obtained in the flask. On the second trial, the student stopped when a light pink color was obtained. On the third trial, the pink color obtained was very faint and noticeable only

    asked by Jay
  134. 6 grade math

    justify each step 8=2x-3 8+3=2x-3+3 11=2x 11/2=2x/2 5 1/2=x justify explain your answer

    asked by lu lu
  135. World Business Economics

    13. Dell’s marginal cost curve and average total cost curve of producing a computer would shift upward if: A.) The firm realizes technological improvements B.) Workers become less productive C.) Materials prices decline for the firm D.) Business taxes

    asked by Renee
  136. math

    on a road map 1 inch corresponds to 30 miles. if the 2 cities are 150 miles apart, find the measurement on the map

    asked by christopher
  137. Science

    a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds how much did the puck accelerate? I think it is 3m/s2.

    asked by cassie
  138. Calculus

    How do i find the second derivative of f(x)= tan(1-x)^1/2

    asked by lala
  139. math

    after ploting the graph for y=1.55x+30 and y=2.75X where the cost y (£) as a function of the total number for swims x for the two options (member and non member) but question is what do the gradients and y intercepts of the lines represent in terms of the

    asked by dev
  140. geometry

    A ramp to a door is to rise one foot for every five of horizontal distance from the building must the end de placed if the door is 2.3 feet above the ground?

    asked by Brittany
  141. Chemistry

    Why is "4-heptonol" an incorrect IUPAC name? What is the correct name?

    asked by Stacey
  142. English

    Can you check these sentences for me, please? Thank you very much for your help. 1)Big Brother is a TV programme (or a reality show?) about people and relationships. 2) In particular, contestants have to stay in the same house for ten weeks. 3) They have

    asked by Franco
  143. Math

    Write the numbers in order of increasing size. 0.81, 0.811, 0.888, 8/10, 0.8181 I think it may be 0.888, 8/10, 0.81, 0.8181, 0.81

    asked by Bart
  144. Math

    Write the slope-intercept form of an equation of the line that passes through the given point and is parallel to the graph of each equation. 1. (3,2), y=x + 5 2.(4,-6),y=-3/4x + 1 3.(-8,2),5x-4y=1 Could you guy check if these are the answer? 1.y=x-1

    asked by Shadow
  145. Math

    Find parametric equations and symmetric equations for the line of intersection of the given planes. x + y + z = 2, x + z = 0 X=1 y = Z= x=, y=

    asked by Mike
  146. math 4th grade

    how do i put the following fractions in order from least to greatest: 3/7, 3/50, 3/2, 3/3, 3/4 please help

    asked by leslie
  147. PHY 2054

    Use the relativistic coordinate transformation (x, y, z, t) − (x′, y′, z′, t′) shown and given below where the latter frame S′, (x′, y′, z′, t′), has a velocity 2.69813 × 108 m/s in the positive direction relative to the frame S, (x,

    asked by Angeline
  148. ap physics

    A 6.2 cm diameter pipe gradually narrows to 4.0 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 kPa and 24.0 kPa, respectively. What is the volume rate of flow?

    asked by Anonymous
  149. biology

    what could be an explanation for why natural selection might favor carnivores whose muscle cells use lactic acid fermentation as well as cellular respiration?

    asked by Anonymous
  150. Science/Astronomy

    Large geomagnetic storms can cause surges of electric current here on Earth. What is the MOST LIKELY result of a large surge in electric current? F. power outages G.better TV reception H. cheaper electric power I. Local Group galaxy What is the answer???

    asked by Austin
  151. Biology

    Menge and colleagues performed experiments in which they exposed some populations of mussels to sea stars and excluded sea stars from other mussel populations. Suppose that the sea star population consists of 20 individuals and the two populations of

    asked by Hannah
  152. chem lab (webwork)

    Complete the table below: How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (mL) NaOH HCl NaOH HC2H3O2

    asked by need help student
  153. Chemistry

    Which of the following atoms would have the greatest velocity if each atom had the same kinetic energy? Ammonia? Bromine? Hydrogen? Chlorine?

    asked by Lee
  154. Chemistry

    question from my previous post answered by DrBob - is this because this acts as a polyprotic acid, or because the ratio in the Henderson Hasselbach for HA/A- remains the same?

    asked by HELP
  155. English

    Are there any other specific lines of poems, or a line of a poem which made any one of you from the deep inside just feel overwhelmed? If you have any then please do list them down here, thank you very much:-)

    asked by Sara
  156. Science-Bohr Model 2

    how many shells r needed 4 the elements in each of the 1st rows of the periodic table. Im kind of getting confused. When it says rows; does it refer to groups or no? I referred rows to the groups for my last question and came up with a pattern, but now I'm

    asked by Sara
  157. algebra

    a math class has 26 women and 12 men. Find the ratio of men to total studens.

    asked by christopher
  158. English-Ms. Sue

    Ms. Sue could you take a moment to look at my previous post please. I've responded and said what I think that line means.(I really want to know what it means in depth though)

    asked by Sara
  159. Physics

    Wong is standing on a turntable in class holding a weight in each hand a distance .75 meters from the center of his body. He is originally rotating with an angular frequency w=0.3 rad/s. He pulls the weights in so they are only .25 meters from the axis of

    asked by Jacob
  160. trigonometry

    The function d=11cos6t describes a simple harmonic motion, where d is the distance(in meters) an object travels in t seconds. What is the time required for one complete cycle?

    asked by rachel
  161. Accounting

    Compare and contrast adjusted book value with market value. What are some of the strengths and weaknesses of each approach? Which method do you think is more accurate? Explain your answer. I DON'T UNDERSTAND!

    asked by Sallie
  162. CRT 205

    Identify at least two arguments in the article. Outline the premises and conclusions of each argument you find. Do the premises sufficiently support the conclusions? Are the arguments either deductively valid or inductively strong, or are they invalid or

    asked by Joan
  163. Chemistry

    All the following species are best described by writing at least two Lewis structures EXCEPT a. O3. b. SO2. c. d. e. SO3. Explanation thanks

    asked by Zack
  164. human resources

    In 1992, Deloitte & Touche, LLP, was celebrating the tenth year in which approximately 50 percent of its new hires were women. Because it takes nearly a decade to become a partner, the accounting firm based in Wilton, Connecticut, was now sitting back

    asked by robbie
  165. math

    Question from the Classroom: 10 A student claims that the equation Ö(-x) = 3 has no solution, since the square root of a negative number does not exist. Why is this argument wrong?

    asked by dan
  166. problem solving

    A play is being put on at the school. There are 9 possible roles for girls who are trying out and 10 roles for boys who are trying out. If 16 girls and 12 boys try out, and everyone acts perfectly the same as one another, what percent of chance do the

    asked by Jill
  167. Math

    A math class has 26 women and 12 men. find the ratio of men to total students

    asked by christopher
  168. math

    trying to unscrable the letters jeatdcn into a math word

    asked by Laurie
  169. Chemistry

    Predict whether the equivalence point of each of the following titrations is below, above, or at pH 7: Pyridine titrated with nitric acid

    asked by Joan
  170. Chemistry

    for A, Z, and X I'm typing it in the form A,Z,X (or X as a particle) since I obviously can't do sub or superscript... 1,1,H + 1,1,p --> 2.1,H + ? I thought initially the missing particle at the end would be either 0,-1,e or 0,1,e (beta emission/decay) but

    asked by Trixie
  171. College Chemistry

    A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. A.) What is the pH of the acid solution, before any base is added to it? B.) What is the pH of the acid solution after exactly

    asked by Shell
  172. History

    I'm writing a comparison paper on two popes. One of them is Innocent III, but I'm not sure what a good comparison for him would be? The catch is that it has to be within the time period: 1100-1272 Any ideas? Thanks!

    asked by Haley
  173. APUSH

    identify the event 1)intolerance and threats to civil liberties during the 1950's 2)agriculture in american history:1961

    asked by Ashlyn
  174. calculus

    Hi, I have online homework for calculus and I have to input two equations that will describe this graph. I have an image but Jiskha won't let me link to any websites... if this is allowed the URL to the image of the graph is img145.imageshack.us/

    asked by Kim
  175. human resources

    In 1992, Deloitte & Touche, LLP, was celebrating the tenth year in which approximately 50 percent of its new hires were women. Because it takes nearly a decade to become a partner, the accounting firm based in Wilton, Connecticut, was now sitting back

    asked by robbie
  176. math

    A play is being put on at the school. There are 9 possible roles for girls who are trying out and 10 roles for boys who are trying out. If 16 girls and 12 boys try out, what percent of chance does one girl have of getting in? What percent does one boy

    asked by Jill
  177. science

    while wearing roller blades, you push against a wall. Use Newton's third law of motion to explain what happens next.

    asked by Jen
  178. science

    Which one is the smallest animal in the sea? Is a sea horse the smallest in the sea? Is a sea horse is the slowest in the sea? How can I find the answers on-line?

    asked by rfvv
  179. social studies

    how do you write all the months in japanese?

    asked by shakti
  180. chemistry

    describe a method to determine if a solution is made of kci or C6 h12 o6 without tasting it

    asked by Anonymous
  181. science

    When you first release the contraption and the egg, the force of gravity is pulling on the egg as it going to the ground. Which the force of the air resistance is trying to push up on the egg. The net force of the falling egg is equal to the air

    asked by Anonymous
  182. chemistry

    design a test to distinguish 0.1M nitric acid from 0.1M acetic acid

    asked by sarah
  183. math

    write a fraction for 5 buttons with 4holes

    asked by robert
  184. Algebra1

    Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the poster

    asked by Mimi<3
  185. Algebra II

    Find 4 consecutive odd integers such that 5 times the sum of the first two was 10 less than 7 times the sum of the second and fourth. What are the four integers? When I worked the problem, I got -13 as N and then when I finished it, it didn't seem correct.

    asked by Crystal
  186. accounting

    How do we treat a long term investment in the B/S, does it go under fixed assets or under current assets? Thanks

    asked by Ana
  187. Math

    I need to show that the right side equals the left side but I am having a little trouble simplifying. k(2k+1) +(4(k+1)-1) = (k+1)(2(k+1)+1) k^2+2k+3 For the right side?

    asked by Abbey
  188. Science-Bohr Model 2

    compare the # of empty spaces in the outer shell of the non-metals with the ion charges. whats the relationship? I don't get this question, can someone please explain. What empty spaces is it referring to ?

    asked by Sara
  189. math - combinations

    To study the unity of Canada, a seven=person committee is to be selected from five public figures from Western Canada, five public figures from Central Canada, and five public figures from Eastern Canada. I figured out parts a & b to this question, but I'm

    asked by CL
  190. statistics

    Use the method specified to perform the hypothesis test for the population mean µ. The highest acceptable level of pesticide found in quail has been limited to 0.35 parts per million (ppm). A hunting organization measured the level of the pesticide found

    asked by looking for someone to varify my work please
  191. mat117

    Explain three rules for exponents listed in the chart on p. 239 (section 4.2). Do not explain the first two definitions listed in the table (Exponent of 1 or 0). Create an expression for your classmates to solve that uses scientific notation and at least

    asked by Anonymous
  192. English

    What should I state in an essay concerning evaluating the effectiveness of devises used to represent internal states of mind in Mrs Dalloway and Chronicle of a death foretold?

    asked by Tladi
  193. Economic212

    Prepare a 350-700-word memo addressing the following: a. Describe the use of Gross Domestic Product (GDP) to measure the business cycle. b. Describe the roles of government bodies that determine national fiscal policies. c. Explain the effects of fiscal

    asked by Alida
  194. Trig

    Given that tan(pi/2) = a. Express tan(x) and sin(x) in terms of a. Hint: Use the fact that x = 2.(pi/2)

    asked by Jack
  195. trig

    using the trigonometric identities find the exact (radical form) value of cos (105 degrees)

    asked by spencer
  196. 6th grade

    Do all Greek citizens have a say in their government today?

    asked by Brandon
  197. Math

    Thanks Dylan! But I wanted to know HOW to WRITE OTHER equations to have the same answers as the ones below? NOT how to solve these! 2x+5y=8 x-3y=-7

    asked by Me
  198. human growth and development

    Robert and Margaret's parents are encouraging their son to play with "boys'toys" and their daughter to play with "girls toys".Robert and Margaret's parents are engaging in: A)gender typing,and Dad is probably doing it more than Mom B)commited

    asked by vedrana
  199. Biology

    One family of mammals includes true horses (Equus), zebras (Hippotrigris and Dolichohippus), and donkeys and !@#$%^& (Asinus). Zebroids are hybrid offspring of wild zebras and domesticated horses that were confined to the same pasture. The unnatural

    asked by Nicole
  200. life orientation

    in 10 to 15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.provide relevant sources to support your claims

    asked by nompumelelo
  201. world history

    Describe the significant mistakes made by Hitler in his attempted conquest of Europe the the ultimate effect on the outcome of the war.

    asked by Wilma
  202. St. Joseph's School

    Find volume of cylinder where r=7.5 ft, h=11 ft

    asked by clara d'Souza
  203. math 7th grade

    We are doing probabilty and if there is a sock draw with 24 socks in there and you want to know the P. of picking 2 white socks. If there are 10 white socks in the draw, how would this work?

    asked by anonymous
  204. Chemistry

    IUPAC name for Dibenzalacetone: The molecule is symmetric with 2 benzene rings on each end and a ketone in the center. So is the "longest chain" that is to give the root of the name considered to be one of the 6C benzenes. OR is the root of the name

    asked by Anonymous
  205. college

    Two copper rings are dropped from a region where no magnetic field exists into a region where a strong magnetic field exists. The rings are identical except for a break in one of them. What can happen to the rings' motion as they fall through the magnetic

    asked by Jordan
  206. calculus

    the limit from n->infinity of the summation of [2+(3/n)k]^2(3/n) when k=1

    asked by Lauren
  207. math

    after ploting graph for h = 1.1 + 7t - 5t^2 for interval t = 0 to t = 2. i catch a ball again when it is at height at 1.1m given the velocity of ball v in m/s given by v = 7 - 10t, find the speed of the ball when it reaches my hand.

    asked by dev
  208. Calculus

    How can i find the ln of both sides of the equation? 6=6e^3x and O.2= e^-kt

    asked by lala
  209. math

    4(4x - 3y) + 2(5x - 2y)

    asked by casey
  210. antrpology

    do a summary on the Immigration Act of 1924

    asked by dice
  211. math

    find the vector V with the given magnitude and the same direction as U. mag V=2 U=

    asked by Anonymous
  212. Investments

    You are to analyze and compare one company from the holdings to another company that the Fund does not currently own within the same sector. (USB, PNC). Your analysis will include both fundamental and technical analysis. For the fundamental analysis, you

    asked by Joe
  213. math-191

    show that k(x)= (5x^3) + (5/x^3) - x- (1/x)

    asked by krista
  214. teenage pregnancy

    thesis statement

    asked by jodi
  215. World History

    Was the bubonis plague in the Middle Ages a blessing or curse?

    asked by Troy
  216. Algebra - 9th grade

    please solve for either x or y: x/2 + y/4 = 7

    asked by Jesse
  217. math sets

    Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers.

    asked by dan
  218. Calculus

    Determine the y-coordinate of the critical point for the function where 0

    asked by Z32
  219. college physics

    A cylindrical stone column of diameter 2R = 1.47 m and height H = 4.46 m is transported in standing position by a dolly. When the dolly accelerates or decelerates slowly enough, the column stands upright, but when the dolly’s acceleration magnitude

    asked by eric
  220. English

    There is a gold tree on the island. 1. I want to go to the island to get the gold tree. 2. I want to go to the island to obtain the gold tree. 3. I want to go to the island to have the gold tree. (Which one is right? Which verb do we have to use? Are all

    asked by rfvv
  221. Economics

    what is the political economy of the Euro?

    asked by Amina
  222. english

    is 'difference made legal' a metaphore?

    asked by QQQQQQ
  223. social studies

    an important enonmic activity in the caribbean islands today is

    asked by virginia bera
  224. Math

    I need to show that the right side equals the left side but I am having a little trouble simplifying. k(2k+1) +(4(k+1)-1) = (k+1)(2(k+1)+1) k^2+2k+3 For the right side?

    asked by Abbey
  225. Eng

    is this not a thesis statement ? Various approaches to prevent steroids in sports have not been successful because athletes are now using hard-to-detect growth hormones to enhance performance. I mean I don't see how this isnt a argument

    asked by Treema
  226. English

    Lady Macbeth plans the whole from start to end and she is presented as a cold-hearted evil person but why doesn't she actually commit Duncan's Murder, why does she manipulates Macbeth to kill Duncan if she has the capacity to commit murder

    asked by Div
  227. Mathematic

    solve x2 + 2x - 3 < 0 and graph. Anyone can solve the problem please.

    asked by write2khin
  228. chem lab (webwork)

    How much 0.10 M Base (in mL) is required to neutralize 8.00 mL of the 0.10 M acid? Base Acid Base Volume (mL) NaOH HCl NaOH HC2H3O2

    asked by anonymous
  229. English

    What is this line basically saying: You are a body, I am its life, I am your recognization. Is it basically saying that without you I do not exist. You are everything of mine. What else could I add to this?

    asked by Sara
  230. chemistry

    How do you find the number of moles in a substance if you have the density and the molecular weight?

    asked by Max
  231. his/135

    How did the minority groups’ struggle for civil rights begin in the 1950s? Which event from this time do you think was most responsible for bringing public attention to the American Civil Rights Movement? Explain why you selected this event.

    asked by chastity
  232. math

    after a game coach larson wants to serve ounch to the players on her soccer team. she will mix 1 quart of ginger ale and 1 gallon of fruit punch together. find the number of 8-ounce servings she can make

    asked by jennifer
  233. Science-Bohr Model 2

    is there a pattern betweent he # of electrons in the outers shell of an element and its position along the row in the Perioidic table. whats the pattern? I know that there is a pattern, but I'm unable to explain. I looked at the first group of elements

    asked by Sara
  234. english

    i need to write an expository paragraph about characterisitcs of a sniper. any good ides for a title???

    asked by martha
  235. calculus

    I am stump on how to break this down for I can use the chain rule to get the integral of this equation. (-30/(2x+1)^2)=30

    asked by Cheryl
  236. trig

    Which basic trigonometric function has the same graph as y= -cot(x+(pi/2)).Please justify your answer.

    asked by Soyer
  237. Math

    Hi! How to determine other linear systems that have the same solution as this system: 2x+5y=8 x-3y=-7 many thanks.

    asked by Me
  238. human services

    what is ethical advisory boards?

    asked by sally
  239. math

    justify the steps of my last question ms sue please explain how you got your answer

    asked by lu lu
  240. Animal Science

    Describe the kinds of cnidarian body forms and cnidarian stinging cells.

    asked by Anonymous
  241. science

    Create A 7- To 10-Slide Powerpoint® Presentation That Describes Environmental Benefits And Challenges Of Urbanization. In Your Own Words, Include Descriptions Of Two 1996 Award Winners, Discussing How They Overcame One Of The Challenges Mentioned In Your

    asked by Shannon
  242. math

    i need to plot a graph y=sin(x)+0.4 on ti-83 calculator for x=-180* to 180* but what should i put for y min and max.

    asked by kenji86
  243. geography

    what geographical features do france and germany share that helps their economy? differences?

    asked by sun
  244. social studies

    athensm had the first democracy or monument ?

    asked by alice
  245. 7th grade

    the chairman of the government of Russia from 2007-2008.

    asked by Anonymous
  246. science

    how would you separate co2, h20, chalk and salt

    asked by dayna
  247. social

    why do we have to go to school?

    asked by kimberly
  248. math

    A rectangular storage building is 30 feet long and 25 feet wide. Find the ratio of the length to the primeter of the bulding.

    asked by christopher
  249. science

    what are living things that surround your house (15 maximum)

    asked by kimberly
  250. Science

    What percentage of the sun is shine on the Earth in Maine during Spring

    asked by Elizabeth
  251. college

    Determine the flux through a circular coil (diameter = 8.2 cm) when the magnetic field is 1.5 T and is oriented at 32.6 degrees with respect to the coil's normal.

    asked by Alex
  252. Math 213

    Examine several newspapers and magazines and describe at least three examples of functions that appear. What is the domain and range of each function?

    asked by dan
  253. college

    Answer the problems below and show or explain how you arrived at your final answer. 1. You sell premium toasters and are making a pricing decision. At a price of $100 (or “p = $100”) you predict that you can sell 30 of these premium toasters at your

    asked by jj
  254. American Literature

    We're going to read a book about people with electroshock therapy (ECT). I am doing a short presentation on it, but on what it was like in the 1950s. I just need to know a little more about ECT and how the mentally ill were viewed and treated back then?

    asked by Ana
  255. math

    #2 Determine whether the triple of numbers can be the sides of a right triangle. 2)9,12,16 Answer choice: a.) yes b>) no

    asked by nicole
  256. The Apache Tribe

    would The Apache Tribe, enemy or fighting men, be a good thesis statement for a 15 page essay i have to write? i had tons of information.

    asked by Cindy
  257. math

    with a problem such as x squared+ y squared and coordinates (-2,-5) would you use parethesis when you plug in the numbers for the variables?

    asked by susan
  258. Math

    There are 4 six-packs of soda in a case. Chris bought 1/2 of a case and gave 1/3 of what he had to Dana. How many cans of soda does Chris have left? Could you help me with this problem, please? Thanks..

    asked by Mia
  259. Social Studies

    What are the similarities and differences of cultural ethics and situational ethics?

    asked by Jon
  260. french

    Can you please translate: vous me donner un cadeau d'anniversaire de ma sœur?

    asked by Jen
  261. grammar

    Could you please give an example of a topic sentence?

    asked by Monique
  262. math

    how do i find 1/3 of 9 2/5 of 25

    asked by leslie
  263. reading/language

    which of the following is a word? a)croad b)cread c)craid d)creed thank you

    asked by anna
  264. digraphs

    what is a digraph and could you please give me some examples

    asked by me
  265. 5th grade

    where can i find info on Verrazzano

    asked by amelia
  266. physics

    if an object has a mass of 615grams and a volume of 150cm3 is the density 5.86g/cm3

    asked by cassie
  267. Science

    I have a what looks to be a silver or platinum ring, it has a diamond chip, but not a full diamond to my knowledge. Inside it is marked with a star then 10k. The star might have something in it but its hard to tell.

    asked by J
  268. trig

    fridge temp equation: T(x)=3sin(pi/10x)+36 What are the high and low temps that will occur in the fridge after its been chilled to 36 degrees? How many mins between these temps? What is the period length?

    asked by brooke
  269. trig

    Establish the trigonometric identity (Hint: Use sum to product) cos(5x)+cos(3x)/sin(5x)-sin(3x)=cot(x)

    asked by jessica
  270. Chemistry

    The average pH of precipitation in rural areas is 5.70. Assuming that the pH
is controlled by the carbonate system, i.e., no anthropogenic acid gases are present 
in the atmosphere, calculate the amount of calcium carbonate (mg) dissolved per liter

    asked by Anonymous
  271. Algebra 2

    How do I find the first five terms of each sequence? a(1)=3, a(n+1)=a(n)+5 The things in the parentheses are subscripts.

    asked by Ana
  272. ap chem

    Find the molecular mass of a solute by freezing point depression.

    asked by anonymous
  273. Child Development

    Think of a time you get really defensive? I cant think of a time I get defensive but do you have any examples to help ring a bell for me?

    asked by Keenan
  274. math

    simplify the square root of 72

    asked by christopher
  275. Math

    suzanne has collected 44 carpet squares she would like to place them side y side going down the hallway,creating two columns of carpet. Will the columns each have the same number of carpet squares

    asked by Feryal
  276. college philosophy

    A commander faces a battlefield mobility situation. He has three feasible routes, R1, R2 and R3. The payoffs of his choice will be determined by weather conditions W1, W2 and W3. The best result is to gain 200 miles and the worst result is to lose 160

    asked by Kali
  277. japanese

    how do u ask someone what food they like.

    asked by sam
  278. Math

    What are the odds in favor of getting at least one head in three successive flips of a coin?

    asked by Anonymous
  279. meaning

    what does beam mean

    asked by me
  280. Science-Biochemistry

    What was the alcohol percent by weight in your sample with the most gas production (glucose; which gave 30 mL of CO2)? Remember that the temperature was 40 degrees C and assume the atmospheric pressure was 101.3 kPa.

    asked by Angie
  281. phys science

    How much would your weight decrease if you went into space 3x the earths radius?

    asked by anonymous
  282. phys science

    How much would your weight decrease if you went into space 3x the earths radius?

    asked by anonymous