Questions Asked on
April 4, 2012

  1. Math

    Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 96 in. Find the dimensions of a rectangular package that has a square cross section and the largest volume that may be sent via priority

    asked by Brian
  2. algebra

    Rectangular pyramid has a base area of x^2+3x-10/2x square centimeters and a height of x^2-3x/x^2-5x+6 centimeters. Wright a rational expression to describe the volume of the rectangular pyramid

    asked by Macy
  3. Chemistry

    Addition of which of the following substances will increase the solubility of CuCO3 (s) in water ? CuCO3 ---- Cu^2+ (aq) +2 CO3^2- (aq) 1. Aqueous hydrochloric acid 2. Aqueous sodium carbonate 3. Solid copper (II) carbonate a) 1 only b) 2 only c) 3 only d)

    asked by Jessica
  4. Math

    The sum of 11 consecutive positive integers is 2002. What is the greatest of these 11 integers? *************************************** I truly appreciate the time and effort that you all give answering our questions and taking the time to explain how to

    asked by Please Help w/ Math
  5. Chemistry

    Calculate the concentrations of H2SO3, H3O+, HSO3-, and SO32- in a 0.025 M H2SO3(aq) solution

    asked by chamy
  6. Chemistry

    when 0.20 mole HF is dissolved in water to a volume of 1.00 L, 5.8% of the HF dissociates to form F- (aq). What is the equilibrium constant for the reaction ? HF(aq) + H2O (I) ----- F- (aq)+H3O+(aq)

    asked by Elmali
  7. calculus

    Let R be the region in the first quadrant that is enclosed by the graph of y = tanx, the x-axis, and the line x = π/3 h. Find the area of R i. Find the volume of the solid formed by revolving R about the x-axis

    asked by Naseba
  8. Essessentials of Communication(Speech)

    I've been stuck on this question for the longest and can't find help anywhere. Instructions Read the following statement; then respond with a question, content paraphrase, feeling paraphrase, and a combination of content and feeling paraphrase. Statement

    asked by John
  9. Math

    The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height I didn't make this clear on the

    asked by Anonymous
  10. Chemistry

    the standard free energy change for a chemical reaction is +13.3 kj/ mol. What is the equilibrium constant for the reaction at 125 degree C ? (R= 8.314 j/mol )

    asked by nurcan
  11. math

    A basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combinations of players that can be on the team.

    asked by Alex
  12. algebra

    what is x short leg for right triangle when given long leg b is 1/2x +11 when given hypotenuse c is 2x + 1 i put (-1/2x + 11) +(2x + 1) = x and came out with 20 but that did not work out when squared A + b = C. I estimated x/a = 8, then b = 15 and c = 17

    asked by ann
  13. chemistry

    The specific heat of iron is approximately 0.45 J/g °C. How much heat energy is required to raise a 40 g sample of aluminum from 40 °C to 60 °C?

    asked by esmi
  14. SOCIAL STUDIES

    4. What did the construction of the Berlin Wall do to the country of Germany? (1 point) The Berlin Wall surrounded the country of Germany and created a unified state. The Berlin Wall divided East and West Germany. The Berlin Wall symbolized national pride

    asked by MIKI
  15. us history

    Why did nonviolence prove to be a successful strategy for confronting segregation?

    asked by sue
  16. Chemistry-Dr Bob help!!

    0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

    asked by clayton
  17. Chemistry PLZ HELP!!!!!

    if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?

    asked by Maci
  18. acids and bases

    Use the acid-base reaction HI + CsOH CsI + H2O to answer the following questions. i. What is the Arrhenius acid and what is the Arrhenius base in the above reaction?

    asked by princess
  19. chemistry,Ksp

    Ksp The solutions at the two Pb electrodes of a concentration cell were prepared as follows: Cell A: A mixture of 1.00 mL of 0.0500 M Pb(NO3)2 with 4.00 mL of 0.0500 M KX (the soluble potassium salt of an unspecified monovalent ion X-). Some PbX2(s)

    asked by Mahtab
  20. kinetic theory

    . What phase is water in at 100°C and 2 atm pressure?

    asked by ronnie
  21. math problem

    A simple rain gutter is constructed using a sheet of aluminum that is 40cm wide. The edges are turned up to form right angles. Determine the depth of the gutter that will maximize the cross-sectional area (allowing the greatest amount of water to flow). I

    asked by Anonymous
  22. biology

    why do breathing rates increase in crowded rooms. pls help

    asked by ted
  23. acids and bases

    HI is a strong acid, and CsOH is a strong base. What does "strong" mean?

    asked by ronnie
  24. psychology

    Mike waits until the night before his big exam to start studying. He maintains that last minute cramming keeps the information fresh in his memory. What does connectionist network research tell us about the effectiveness of cramming? a)It is very effective

    asked by Sarah
  25. Algebra

    Determine whether the equation represents direct, inverse,joint,or combined variation. y=31x/wz If it is combined, please explain to me.

    asked by Jay
  26. chemisty

    0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

    asked by Clayton
  27. math

    sonya spent 3/8 of her money and had $15 left. how much money did she orginally start with?

    asked by lauren
  28. algebra

    the population of a city is expected to triple every 25 years . when can the city planners expect the present population of 180 persons to double?

    asked by mary
  29. science 10

    How much energy is released when 2.05 mol of water vapour at 100C condenses with no change in temperature?

    asked by Anonymous
  30. ENGLISH Types of business writing

    Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training

    asked by danny
  31. science

    A storm forms over the central part of the u.s. What direction will the storm move? A towards the north B towards the south C towards the west D towards the east

    asked by miki
  32. Math Help (URGENT X10)

    This is really urgent so please please please help. The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m)

    asked by Anonymous
  33. Math

    The height(h) of an object that has been dropped or thrown in the air is given by: h(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) A ball is thrown vertically upwardd from the top of the

    asked by NeedHelp
  34. Economics

    Which of the following is a summary of the three key economic questions? A. Who will buy which goods and services,and how much will they pay? B. How, when, and from whom should consumers get what they want? C. When, where, and by whom should goods and

    asked by Anonymous
  35. Statistics

    The ages (in years) of 10 infants and the number of hours each slept in a day Age, x: 0.1, 0.2, 0.4, 0.7, 0.6, 0.9, 0.1, 0.2, 0.4, 0.9 Hours slept, y: 14.9, 14.5, 13.9, 14.1, 13.9, 13.7, 14.3, 13.9, 14.0, 14.1 Find the equation of the regression line. Then

    asked by Amanda
  36. chemistry

    I am giving a titration curve of a weak base and strong acid. The pH on the y scale is from 0-14 and the volume of titrant in mL is from 0-34. It looks like the equivalene point is around 22? The question is: "The above titration curve was obtained when a

    asked by maura
  37. english

    A-the dictionary definition of a word B-making assertions about a group that are too broad C-parts of a presentation that augment the words D-rhetorical devices that rely on faulty reasoning E- the emotional associations a work invokes audiovisual(A)

    asked by kevin
  38. geometry

    A ball of diameter 20 cm fits exactly inside a cylindrical container. The maximum volume of liquid which can be poured into the cylindrical container when empty is ________ cm3. [π=3.14]

    asked by how do i start working on this problem
  39. similar triangles

    abc and xyz are similar. Ab,bc, and ac are 6 inches, 7 inches, and 9 inches. and xy is 8. What is xz

    asked by dont want to
  40. Math

    A Sears Relvolving charge card has a monthly rate of 1.75%, the interest is a minimum of $.50 if the average daily balance is $28.50 less. Explain how this poilicy is beneficial to Sears.

    asked by Beth
  41. social studies

    whats a gift of land made and honored by the govnerment?

    asked by kimberly
  42. Statistics

    Data from the latest census was analyzed. It was determined that one-parent households spend less on food away from home that do two-parent households. The mean amount spent by 30 one-parent households is $1876 and the standard deviation is $113. The mean

    asked by Mike
  43. income tax

    In which of the following situations would a taxpayer be better off to take the foreign taxes paid as an itemized deduction rather than as a foreign tax credit? A. The foreign tax paid was less than 10% of AGI B. The foreign tax paid was to a South

    asked by Andy
  44. physics

    At a certain location, the solar power per unit area reaching Earth's surface is 200 W/m^2, averaged over a 24-hour day.If the average power requirement in your home is 2.8 kW and you can convert solar power to electric power with 8.0 % efficiency, how

    asked by Christy
  45. chemistry

    please help Calculate the volume in mm3 of a slice of potato if it is cut into the shape of a rectangular prism (volume = length x width x height), which is 2.24 cm long, 0.84cm wide and 2.88cm high

    asked by linda
  46. Math

    as the weight held by a spring increases, the length of the spring increase proportionally. suppose a 2-lb weight stretches a spring to 15 in., and a 12-lb weight stretches the same spring to 20 in. what is the length of the spring with no weight attached?

    asked by Ronnie
  47. physics

    what is the heat capacity of a gold ring that has a mass of 5.00g?

    asked by miles
  48. Chemistry

    A substance (CD) decomposes into C and D At the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is established. a) if the initial concentration of CD is 0.200mol/L, what are the equilibrium concentrations of CD, C and D? I got

    asked by Danielle
  49. math

    The diner sells 4 different sandwiches, 6 different drinks, and 3 different deserts. How many different orders could you place if you decided to buy a sandwich and a drink? please help me to answer this..

    asked by Cheril
  50. acids

    Which of the following bases is the weakest? (CH3)2NH , Kb = 5.1 x 10–4 ClO–, Kb = 2.9 x 10–7 SO42–, Kb = 8.3 x 10–13

    asked by Tracy
  51. income tax

    Which of the following conditions requires an employer to use the electronic deposit requirement? A. Employer made more than $100,000 in total tax deposits in 2009. B. Employer made more than $100,000 in total tax deposits in 2010. C. All employers are

    asked by Andy
  52. acids and bases

    What is the Arrhenius acid and what is the Arrhenius base in the above reaction?

    asked by princess
  53. math

    on a map, John is standing at (11,11). His friend Lucy is standing at (1,11).John took 10 steps to the right. Is he standing with Lucy now?

    asked by Bebe
  54. algebra

    The width of a rectangle is 3 cm less than the length. The area of the rectangle is 54 square cm. Find the width and length of the rectangle.

    asked by kathy
  55. chemistry

    a 0,25M solution of a week acid is 3% dissociated.calculate ka

    asked by racha
  56. Chemistry

    1) 800 mL of 0.025 M Pb(NO3)2 is mixed with 500 mL of 0.030 M K2CrO4. Calculate the grams of PbCrO4 that form. I am confused on how to do this I got the answer it should be 4.85 g PbCrO4, but I would want to know how to get that. And also Limiting reactant

    asked by Akbar
  57. Chemistry

    3) 0.3382 g of an unknown diprotic acid, when dissolved in water, required 32.34 mL of 0.1046 M KOH to reach the endpoint. Calculate the molar mass of the unknown acid. Also, for this problem I keept getting 99 close to 100 g/mol, but the answer has to be

    asked by Akbar
  58. physics

    At the point of fission, a nucleus with 92 protons is divided into two smaller spheres, each with 46 protons and a radius of 6.4 10-15 m. What is the repulsive force pushing these two spheres apart?

    asked by Anonymous
  59. physics

    A student swings a 3.5g rubber stopper in a horizontal circle over her head.The length of the string is 0.6m.The stopper is observed to make 10 revolutions in 11.7seconds.What is the tangential velocity of the stopper at any time,t.

    asked by lovemore
  60. engineering mechanics

    An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its moment of inertia is 0.156 kg m2 about its axis of rotation a) calculate the mass of the flywheel b) calculate the flywheel's radius

    asked by dmkp
  61. Science

    Megan wants to determine if an electrical circuit has electricity flowing through it. Which of the following evidence is proof that the circuit has an electrical current? a)The circuit is a closed loop. b)A light bulb is lit in the circuit. c)The circuit's

    asked by Isabella please help me
  62. Sign Language

    Hi, I am having problems with the structures of sentences in sign language. Can you please put each of these sentences in sign language sentence structure? What will the weather be like today? The sun will be out, and it will be windy. I thought it was

    asked by LeXi<3
  63. statistic

    The Tite Wire Company manufactures wires for circus acts. It has taken a random sample of 100 pieces of wire and wants to see if the thickness of a batch of wire meets minimum specifications. Assume that the population mean is 0.45 inch, with a standard

    asked by Nancy
  64. Chemistry

    if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?

    asked by Maci
  65. English... Cry, The beloved country

    What is the underlying message of all of Arthur Jarvis’s writing? How does reading his son’s writing affect the behavior of James Jarvis? Write at least five sentences.

    asked by Xander
  66. physics

    A steel rod of length 4 m is welded to the end of an aluminum rod of length 3 m (lengths measured at 23 °C). The combination rod is then heated to 198 °C. What is the length of the combination rod at 198 °C? (The linear expansion coefficients for steel

    asked by sima
  67. Science

    When people want to use water to create electricity they generally build a dam to hold the water back, creating a large lake behind the dam. Why is it necessary to hold the water back with a dam in order to produce electricity? A)It increases the amount of

    asked by Mia pleaseee helppp
  68. Science

    Alex threw a stick in a river and watched as the river carried it away. He scooped a pail of water from the river and noticed that a leaf was floating in the pail without moving on the surface of the water. Why did the stick move in the river and the leaf

    asked by Mary pleasseeee helppp
  69. accounting

    Nature’s Way, Inc., keeps one of its production facilities busy making a perfume called Essence de la Vache. The perfume goes through two processing departments: Blending and Bottling. The following incomplete Work in Process account is provided for the

    asked by Daddyoj
  70. Math

    Tonya took out a loan to help pay for her house. She borrowed $50,000 for 15 years at a yearly simple interest rate of 5%. How much interest will she end up paying the bank?

    asked by Bill
  71. statistics

    The general manager for Gordon's Self Service Gasoline is interested in estimating the mean number of gallons of gasoline that are purchased by customers at their Philadelphia location. He would like his estimate to be within plus or minus 0.50 gallons,

    asked by Arlene
  72. life orientation

    What are the environmental problems? (A list of the)

    asked by mpumi
  73. math

    only 5% of the carbon-14 in a small wooden bowl remains , how old is the bowl? Hint, half-life for carbon –14 us 5730 years

    asked by martha
  74. English

    what question should you ask while reading a memoir? A. what prompted the author to write this? B. Why is the author focusing on this event? C. what am i supposed to take away from this memoir? D. All of the above

    asked by MM
  75. British Literature 2

    In Rosencrantz and Guildenstern are Dead, how do other characters define isolation (compared to Rosencrantz and Guildenstern) and how does it effect their actions? For example, how does Hamlet's sense of isolation from the court differ from the isolation

    asked by May
  76. Science

    Heat flows in which direction? A)from solid objects to liquids B)from larger objects to smaller objects C)from warmer objects to cooler objects D)from more dense objects to less dense objects THANKS!

    asked by Bella help please
  77. statistics

    2. Using the MM207 Student Data Set: a) Select a continuous variable that you suspect would not follow a normal distribution. b) Create a graph for the variable you have selected to show its distribution. c) Explain why these data might not be normally

    asked by amy
  78. english

    Could someone check mty work? Which of the following would not be a good strategy for delivering a speech? Make sure your presentation is running properly Start talking over the audience to quiet them down (anser) Use correct grammar and well formed

    asked by kevin
  79. Math

    How would you graph this piecewise function f(x) = x^2 if lxl < or equal to 1 1 if lxl > 1 Thanks Very Much!

    asked by Sandy
  80. Finance (Engineering Economics)

    You wish to retire at 60 and, at the end of each month thereafter for 25 years, to receive $6,000. Assume that you begin making monthly payments into an account at age 23 and continue these payments until age 60. If the annual interest rate is constant at

    asked by Chase
  81. physics

    A recreational (open) hot air balloon (i.e., Pinside is approximately the same as Poutside) has a volume of 2227 m3 when fully inflated. The total weight of the balloon, basket, ballast and pilot is 1775.6 N (399 lb). How much less dense must the air in

    asked by katie
  82. Physics

    A rocket with initial mass of 7.50×103 kg is fired in the vertical direction. Its exhaust gases are ejected at the rate of 4.50×101 kg/s with a relative velocity of 2.200×103 m/s. What is the initial acceleration of the rocket? What is the acceleration

    asked by Helen
  83. Chemistry

    Write the equation for the equilibrium that exists when nitrous acid and sodium acetate are placed in solution together (do not include spectator ions). Using published values for the Ka of nitrous acid and of acetic acid, determine the numerical value of

    asked by chamy
  84. Physics

    Suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed through the rail of the bridge and into the mudbank. The speed limit on the bridge is 55 mph = 24 m/s. What is your conclusion?(

    asked by Anonymous
  85. Physics

    Suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed through the rail of the bridge and into the mudbank. The speed limit on the bridge is 55 mph = 24 m/s. What is your conclusion?(

    asked by Anonymous
  86. Earth/Space Science

    Cloud seeding, which causes rain by introducing condensation into a cloud, has been used to bring precipitation to areas experiencing drought. Analyze the benefits and risks of cloud seeding.

    asked by Elena
  87. math

    On a map, John is standing at (11,11). His friend Lucy is standing at (1,11).John took 10 steps to the right. Is he standing with Lucy now?

    asked by Anan
  88. Geometry

    A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim with sand. Joe puts this sand into a second sandpit having the same shape but a larger base. He needs 17.5 cubic feet of sand to

    asked by Frank
  89. College Physics

    A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz. a. If the electromagnetic wave has an electric field of 0.22 V/m, what is the magnetic field amplitude? b. What is the intensity of the wave at 5 km? c. What is the

    asked by charlie
  90. chemistry

    I have to find the theoretical yield of acetylsalicylic acid in the exeriment? I used 5.0 mL acetic anhydride which is about 5.40 grams. When I calculated the theoretical yield, I got 9.53 grams. Is this number correct?

    asked by casey
  91. Geometry

    The right triangular flag of a sports club was designed to have a base length of 4 ft and height of 6 ft. For a sports event, the club made a new flag by doubling the base and height of the flag. The area of the new flag is ______ times larger than the

    asked by I dont know if i am on the right path
  92. physics

    A 715 gram grinding wheel 29.5 {\rm cm} in diameter is in the shape of a uniform solid disk. (We can ignore the small hole at the center.) When it is in use, it turns at a constant 210 {\rm rpm} about an axle perpendicular to its face through its center.

    asked by Anonymous
  93. SIGN LANGUAGE PLEASE HELP WITH SENTENCE STRUCTURE!

    Hi, I am having problems with the structures of sentences in sign language. Can you please put each of these sentences in sign language sentence structure? What will the weather be like today? The sun will be out, and it will be windy. I thought it was

    asked by LeXi<3
  94. Math

    How many codes consisting of a letter followed by 3 digits can be made if no digit can be used more than once?

    asked by Jassie
  95. ENGLISH: types of business writing

    Draft an email of at least four complete sentences to Deb Walker the designated trainer: Confirm the arrangements for the seminar providing only the information she needs to arrive at the right place at the right time. Copy both to Mr, Dittmer and Ms.

    asked by danny
  96. political

    Researchers have also found differences in public opinion by ethinicity and race. In general,_________, are significantly more likely than African Americans to favor cuts in government spending. 1. Asian Americans 2. Latino Americans 3. White Americans

    asked by Shani
  97. Chemistry

    A mixture of the compounds magnesium oxide and calcium sulfide contains 21.6999 g of magnesium oxide and is 51.3 % by mass magnesium oxide. The compound calcium sulfide is 44.400 % by mass sulfur. Calculate the moles of sulfur in the mixture. I'm not sure

    asked by Lance
  98. Spanish -Help

    We had to answer questions with the long adjective form and I'm not sure about this one? Los partidos de fútbol americano en mi escuela son malos. ¿Cómo con los de Uds.? ¿Cómo son los suyos? Would it be "Las partidos de fútbol americano en la escuela

    asked by Joelle
  99. Operations Management

    Can someone explain Deming's Fourteen Points?

    asked by Dale
  100. physics

    Suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed through the rail of the bridge and into the mudbank. The speed limit on the bridge is 55 mph = 24 m/s. What is your conclusion?(

    asked by Anonymous
  101. chemistry

    For the theoretical yield, I used the mass of acetic anhydride. Was I supposed to use the mass of salicylic acid (which was 2.00 g) instead? acetic anhydride + salicylic acid ---> acetic acid +acetylsalicylic acid

    asked by casey
  102. Statistics

    Waste Today Services operates a garbage hauling company in a South Jersey city. Each year, the company must apply for a new contract with the city. The contract is in part based on the pounds of garbage hauled. Part of the analysis that goes into the

    asked by Walter
  103. Health: 6th grade

    What do you do if someone needs a splint?

    asked by Losa
  104. British Literature

    In Rosencrantz and Guildenstern are Dead, Guil and Ros constantly seem like outsiders in the play. Why are they so alienated from the rest of the cast? What factors lead to their isolation?

    asked by May
  105. World History

    What were 2 major social changes that occurred in Japan following World War II and their effects on Japanese culture? Thanks -MC

    asked by mysterychicken
  106. Economics

    Jean-Baptiste Say argued that entrepreneurs should be called the fourth factor of production because they A. organize the other factors and make things happen. B. have historically been successful. C. are motivated by the desire to make a profit. D. can

    asked by Anonymous
  107. statistic homework

    If 55% of a television viewing population watched a program called ¡§Name that Poem¡¨ one evening, what is the probability that, in a random sample of 100 viewers, less than 50% of the sample watched the program?

    asked by Nancy
  108. Biology

    What does Rf, (or relative to front) mean?

    asked by Jill
  109. Science

    Which of the foolowing occurs when a mass of air rises into the atmosphere? A) it becomes warmer because the particles move closer together B) it becomes cooler because the particles move closer together C) it becomes cooler because the particles move

    asked by Astrid
  110. English

    Writeacher, I urgently need to rephrase (in modern English) Chaucer's the wife of Bath. Can you suggest an internet site? Thank you.

    asked by Matthew
  111. government

    This put an end to the Soviet Union. perestroika a government coup Russia's revolt Soviet republics declared independence Chinas government made a transition from a command economy to a market economy for the following reason China could not compete

    asked by kevin
  112. chemistry

    To what volume must 481 mL of 12 M Ca(OH)2 solution be diluted to make a 2 M Ca(OH)2 solution? a)1.352L b)2.886L c)2.10833L d)none of the above

    asked by Allison
  113. Chemistry

    what are the pH and the pOH of 0.125M HCIO4?

    asked by JB
  114. MathLog#4

    is the product of two linear functions always a quadratic function? Explain..

    asked by Jessica
  115. English

    which of the following statements does NOT describe a memoir: a) the characters are actual people b) it is a purely factual account c) it is based on memories, not history d) non of the above

    asked by MM
  116. math help

    would the approiriate metric unit for measuring the area of saskatchewan? would the answer be square kilometers

    asked by chelsea
  117. Political

    A poll conducted with a sample that is not randomly drawn and not always statistically significant in size. These polls are often done online and can involve respondents who are self selected. this above info fit for tracking poll or Benchmark poll.

    asked by Anonymous
  118. government

    the goal of the european union is? global security national security military security political and economic cooperation This question I do not know

    asked by kevin
  119. Intermediate Algebra

    Add.Show work.(-1.5x^2+7.9x+8.6)+(-5.5x^2-7.8x+5.2)

    asked by sherry
  120. Bio

    How can we measure the light absorptive characteristics for a leaf extract

    asked by Jill
  121. Statistics

    The Deborah Heart Institute performs many open-heart surgery procedures. Recently research physicians at the Institute developed a new heart bypass procedure that they believe reduces the average length of recovery. The hospital board will not adopt the

    asked by Richard
  122. Object Oriented Programming

    Write an application class that generates 6 objects randomly from either a Car, or a Truck, or a Bicycle class. Your generated objects will be stored in a RentedVehicle array. Write a static method in your test class that takes an array of RentedVehicles

    asked by 7/7/77
  123. Intermediate Algebra

    State the degree of the following polynomial 9x^4y^3+6xy-3y

    asked by sherry
  124. english

    Rewrite the sentence to improve emphasis, using the guidelines in parenthesis. The flights of man into space are truly astonishing (inverted sentence)

    asked by Doctor Who
  125. Precalc

    A restaurant uses a cable for the servers to slide orders down to the kitchen. The end where the servers place the order is 5 feet high. The end where the kitchen receives the order is 1 foot high. The angle of elevation from the kitchen to the servers

    asked by ceci
  126. Chemistry

    Identify which element is being oxidized and which is being reduced Mg (s) + 2H2O (g) = Mg(OH)2 (s) + H2 (g)

    asked by Elizabeth
  127. Science

    If Maria wants to have the best chance of blowing out all of the birthday candles on her birthday cake, she should bend down close to the candles, take a deep breath, make a small opening with her lips and then push her breath out. Why does doing it this

    asked by URGENT - HELP ME
  128. chemistry

    please help calculate the volume of a cylinder that is 4.476 mm in height and 17.00mm in diameter

    asked by linda
  129. ENGLISH: types of business writing

    Can someone check gammar, punctuatiion and structure please. Draft an email of at least four complete sentences to Deb Walker the designated trainer: Confirm the arrangements for the seminar providing only the information she needs to arrive at the right

    asked by danny
  130. Chemistry

    3. A chemistry student makes up a 0.10 M solution of NaF(aq) and finds the pH to be 8.09. a. Explain why the presence of F- in this solution affects the pH. b. Write out the acid/base equilibrium equation for the reaction of F- with water. c. Use the

    asked by chamy
  131. physics

    Given the following forces acting on an object find the net force: 2.0N[N], 10N[S], 2.0N[W], 8.0N[E] The mass is 5.1 kg with the net force find the objects acceleration

    asked by Melissa
  132. Economics

    How might expectations of a fiscal policy being temporary weaken the effects of the policy?

    asked by John
  133. College Chemistry

    A mixture of the compounds sodium oxide and magnesium chloride contains 2.4182 g of sodium oxide and is 89.3 % by mass magnesium chloride. The sodium oxide is 74.200 % by mass sodium. Calculate the moles of oxygen in the mixture. Thanks in advance.

    asked by Lance
  134. Intermediate Algebra

    Find the product...7x(-7x^2+9x+8)

    asked by sherry
  135. Reading

    1.My big adventure with our town's volunteer fire department started on the first say of summer vacation.The weather during the spring season had been unusually dry.It was Saturday and another hot,arid morning.It was as dry as a bone outdoors.A wildfire

    asked by Rezu
  136. Art - Evaluation

    for Art i draw a fish, and i have to say what it mean. i write that i try to send out message to protect sea life, but i not know why? it be too hard to describe, i just say that these sea creatures be just like us, wanting hygiene, hving good habitat,

    asked by Mohammad
  137. Physics

    If the two input voltages to a 2-input summing amplifier are +2 V and +5 V, what is the output voltage?

    asked by Bert
  138. social Studies

    I have been looking for the census data for Dallas County in the 75241 area code. I need to know how many people are living below the poverty line. I believe the poverty line is 21,000 per year.

    asked by RT
  139. science

    how to calculate mass in physics

    asked by mollly
  140. Chemistry 110

    Water can be formed from its elements. what volume of oxygen would be required to react with 2.68L of Hydrogen at STP?

    asked by Mindy
  141. engineering mechanics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

    asked by dmkp
  142. ms. sue

    ms. sue you watch movie a beautiful mind? i tell you yesterday that i be writing a compare contrast essay of this movie with the yellow wallpaper story. i not know what to title this? i want to be cool, one person name their unbalanced. you have suggest

    asked by Mohammad
  143. math

    one third of the people in a convention room are seated in three-fourths of the chairs. THe rest of the people in the room decide to stand. If there are 8 empty chairs, how many people are standing? Please fully explain because i am sooo confused!!!

    asked by Audrey
  144. math

    5n < -18 Answer?

    asked by Cheril
  145. economic

    5) Assume the graph below represents the market demand for a patented prescription drug together with the long run marginal cost and average cost functions for producing the drug. (note: the diagram assumes that at output levels over 50 million AFC ~ 0,

    asked by coqui
  146. science

    What is a joule second?(not per second)ie:planks constant. Why do s orbitals (l=0)have zero angular momentum?

    asked by nikibobs
  147. Statistics

    A study in Orlando, Florida claimed that the mean commute time for all employees working at Disney exceeds 40 minutes. This figure is higher than what was assumed in the past. The plan is to test this claim at a level of significance = 0.05 and a sample

    asked by Amy
  148. Math

    I didn't know the answer. That's why i asked for help.

    asked by Anonymous
  149. Statistics

    Through extensive research, Metlife Insurance claims that the mean footwell intrusions for Toyota Corrola and Toyota Rav4 are equal. Crash test at 40mph were performed at 7 randomly selected Toyota Corrola and 13 randomly Toyota Rav4s selected. The amount

    asked by Lisa
  150. chemistry

    how many molecules of chlorine gas must be reated with excess sodium iodide if 32.2*10^22 formula units of sodium chloride are needed?

    asked by kk
  151. English

    Why might someone want to write a memoir? A. they've been through a traumatic experience and learned from it. B. They are unhappy with the current state of the world. C. They want to write about only a small portion of their lives. D. all of the above

    asked by MM
  152. Intermediate Algebra

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 14x + 18y = -54,-4x – 14y = 42

    asked by Ciara
  153. chemistry

    write the oxidation and reduction half reactions for mg+au^+---->mg^2^++au

    asked by Anonymous
  154. statistic solution

    The distribution of cash withdrawals from the automatic teller machine at a certain bank has a mean of $500 with a standard deviation of $70. To reduce the incentives for robbery, the bank puts money into the machine every 12 hours and it keeps the amount

    asked by Nancy
  155. Math

    determine whether the ordered pair is a solution; 6y-3x=-9,(1,-1) and 5y-2x=15 Also 2x+5y=-15

    asked by Alexa
  156. Intermediate Algebra

    Ms Sue I thought this site is for HOMEWORK HELP SPECIFICALLY,if it is not ,this site is strictly false advertising

    asked by Freddy
  157. Mathematical Reasoning

    How many Men size basketballs fit into a 25' by 25' room?

    asked by Nate
  158. ms. sue

    ms. sue for my essay teacher say i have to give example when i say for movie a beautiful mind when john start interacting with delusions, this effects his job and relationships. what example i put here? you please make my below sentence proper and tell if

    asked by Mohammad
  159. Economics

    How could “politics” complicate fiscal policy?

    asked by John
  160. Chemistry

    How do I write the skeleton equation then balance the following (step by step): hydrogen+bromine---> hydrogen bromide

    asked by Nancy
  161. 6TH GRADE MATH HELP!!!

    Estimate the percent discount Ling will get if the customer usually pays if the phone is 7.95 and the price now is 6.76

    asked by Selena C.
  162. Statistics

    The manager at the YMCA believes members are staying longer at the Y due to what they feel was a very successful marketing plan. Studies show the previous mean time per visit was 36 minutes, with a standard deviation = 11 minutes. A simple random sample of

    asked by Henry
  163. physical science

    The primary voltage is still 120 V and the number of primary turns = 60, but now the power in the primary side is 3000 Watts and there is a 120 ohm resistor connected to the secondary. Find the current in the resistor, and the secondary voltage and #

    asked by brit
  164. Physics

    What exactly is meant by constant current? How is it achieved?

    asked by Anonymous
  165. Bioscience

    Explain the role of exocytosis in the communication between a neuron and synapse

    asked by UniS06
  166. Reading

    Dearest Miriam, 1.I am grieved to hear that you have left the lovely home where I have enjoyed such pleasant visits.My heart too is heavy,for I would wish none of this heartbreak on you.If only South could have found a way to compromise. This Union is a

    asked by Rezu
  167. Math

    Jan, Mya, and Sara ran a total of 64 miles. Jan and Maya ran the same amount and Sara ran 8 less then Maya. How many miles did Sara run?

    asked by Jackie
  168. History

    Lowell Mill living and working conditions for the factory workers

    asked by Grae
  169. computer science

    Prove that the following language is not context free: L = {a^3^n : n >= 0}

    asked by John
  170. Goverent

    I am doing a paper on legislation. I chose to talk about SNAP benefits also known as food stamps. I have to write a letter to the appropriate congressman talking abour a specific xhange i would like to see in the policy.But I can't figure out who that

    asked by Britany
  171. French

    I am doing a presentation on the efficiency of appliances. I am going to be comparing the past and the present and then France and the US. Do you guys know of any good websites that would talk about any of this. All I can really find is different brands of

    asked by rebekah
  172. English

    I urgently need you to check these sentences. Thank you very much. 1) “Pamela” is an epistolary novel, that is a collection of letters written by a virtuous girl, Pamela Andrews, to her parents. The plot is very simple and built around the

    asked by Matthew
  173. English

    Here is the second part of the same summary. Thank you very much, Writeacher. 1) According to the puritan middle class ideal of the age, marriage was the highest achievement in life, the only way open to women to improve their social status. 2) Their

    asked by Matthew
  174. Math

    Solve: n+6≤ -4 Whats the answer>?

    asked by Cheril
  175. Math

    Andy has 21 watches. He has twice as many watches with black bands than with gold bands. How many gold band watches does Andy have?

    asked by Anonymous
  176. math

    n/-3 - 8 < 17 answer?

    asked by Cheril
  177. Economics

    Can you please explain the problem of time lags in enacting and applying fiscal policy?

    asked by John
  178. English

    1. You should wear a swimming cap in the swimming pool. 2. You should wear a swimming cap at the swimming pool. (Which preposition should we use? Are both OK?) 3. What is your number? - My number is 22. 4. May I have your number? - My number is 22. 5. What

    asked by rfvv
  179. bookkeeping

    bought 1053 brackets for .46 each bought 945 bushings at .35 each bought 1130 washers at .001each what amount should be entered in the accounts payable column of the purchase invoice register my answer is 518.59 january 1st $100,000 note due in 9months at

    asked by susue
  180. Maths

    I was given a question on number patterns. The queston states tha I must keep adding one table to increase the amount of seatings by keeping it in a square formation. I need to giv a general formula but I am struggling with the sequence

    asked by Jillian
  181. Intermediate Algebra

    Essay Question.Show all work.Find the difference.(3x^2-6x+8)-(-8x^2+x-4)

    asked by sherry
  182. Reading

    Each day life becomes a little more difficult.Northern forces have blockaded our ports.Now we are unable to ship our goods and make a living. Most people around here plant cotton and tobacco to sell. We depend on those sales.We are doing our best to get

    asked by Rezu
  183. English

    Rewrite each sentence below, replacing all clichés with more creative or straightforward expressions Since we had worked like dogs for eight hours, we finally put a lid on it at 6:00 p.m.

    asked by LondonLashayy
  184. Math

    Find the formula for piecewise function f(x) = ____ if x < or equal to -1 ____ if -1 < x < or equal to 2 ____ if x > 2 Thanks! I got -1, x, and 2. Am I right?

    asked by Mitch
  185. Math (Urgent)

    Label exact values for all x and y intercepts. Q1: f(x)=x^3-2x^2-5x+10 f(x)=X^2(x-2)-5(x-2) f(x)=(x-2)(x^2-5) f(x)=(x-2)(???) Q2: f(x)=x^4-5x^2 f(x)=x^2(x^2-5) f(x)=??? please help and thank you

    asked by Anonymous
  186. math

    the teacher told each student to bring in 3/8 yard of string. they all brought in a total of 13 yards. how many students will be in the class

    asked by Tristan
  187. Physics

    What is the upper tripper point (UTP) of a comparator with hysteresis if R1 = 47 kÙ, R2 = 68 kÙ and the maximum positive output voltage is 10V?

    asked by Robbie
  188. chemistry

    Why does specific heat increase the greatest when it's near its freezing point?

    asked by Julie
  189. math

    what is the volume of a cube with sides that measure 5 times x to the second power times y to the third power

    asked by Anonymous
  190. financing

    if you limit yourself to only common stock,you would seek out defensive stocks, where returns tend to go up and down by less than those for the overall market. please expand

    asked by julio
  191. math

    pls I need help to solve this: 9(y-1)^2-25

    asked by ted
  192. icebergs

    do icebergs melt from the bottom upwards ?

    asked by ibby
  193. Intermediate Algebra

    Add. Show work.(9x^2+5x-4)+(-8x^2+9x-9)

    asked by sherry
  194. Algebra

    Approximately how many square meters are there in 17 square yards? Round to the nearest tenth. 20.3 14.2 14 15.5

    asked by Cheyenne
  195. College algebra

    I need a step by step explaination of the example in my book. Find the domain of f(x)=(7x)/(x-8)

    asked by Ducky
  196. Intermediate Algebra

    Essay questions show work.Add the folollwing polynomials.(-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)

    asked by sherry
  197. language arts

    can anyone plz tell me a gud story if u were evr a shape for example this wut my friend her shape was a rectangle she wrote that the rectangle is going to apply for a job and the job is of an ice cream cart meaning like the ice cream cart and at the end

    asked by smiley
  198. algebra

    35/(7-2)/ the square root of 49

    asked by kayla
  199. english

    rewrite each sentence to improve emphasis, using guidelines in parentheses the flights of man into space are truly astonishing (inverted sentence)

    asked by Doctor Who
  200. chemistry

    OK how does 4H+O2 got to 2 H2O? I have no idea and it doesn't help that i just moved to a new school and I didn't even know what this stuff was!

    asked by Katelin
  201. MathLog#4

    Simplify: ((2x^n)^2 - 1)/(2x^n-1) where x is an integer and n is a positive interger. for this one igot the answer the same as 2n^x+1, but will the value of the given expression be even, odd, or either? Please explain. :) Thank Yoo

    asked by Jessica
  202. calculus

    Use Newtons method to find the roots of the equation 1/x=1+x^3

    asked by Drew
  203. math

    4n - 8 ≥ 7 answer?

    asked by Cheril
  204. Math

    n/6 + 4 ≤ 20 answer?

    asked by Cheril
  205. Math

    n/-2 + 11 > 17 answer?

    asked by Cheril
  206. math

    find the fractions with common denominators for each pair 3 5and 1 4

    asked by anahi
  207. math

    In triangle abc,point0 is the incenter ad=2',ab=10'.and bc =12' find y? would the answer be 5'

    asked by chelsea
  208. Bioscience

    what type of endocytosis would be involved in transporting transferrin

    asked by UniS06
  209. Intermediate Algebra

    Find the product.-9x(x-^3-3x^2+3x+9)

    asked by sherry
  210. math

    How many 7" x 7" squares can be made from 7 yards of material

    asked by Anonymous
  211. Intermediate Algebra

    Write all the statements that apply to the following polynomial ..-5x^+2x^2-7.....A)it is binomial. B)it cannot be evaluated at x=-1/3 C). it has a degree of 3 D).it is cubic

    asked by sherry
  212. MATH

    √(x+5)-√(x-3)=2

    asked by RUDY
  213. math

    reduce 4/15 to lowest terms

    asked by tyler
  214. help

    from which equations is the following equation derived from: length=(time^2 * g)/4

    asked by physics
  215. Human resources

    Role Play In this mock executive team meeting, you will assume the role and responsibility for a specific function (for example, human resources, marketing, finance, legal, and operations). The team will be given a scenario in which strategic decisions are

    asked by Alex
  216. Social Studies

    why were northerners who opposed the war called copperheads?

    asked by EmilyMay
  217. MAth

    n - 9 > 14 Whats the answer?

    asked by Cheril
  218. math

    2n + 6 < 11 answer?

    asked by Cheril
  219. social studies

    why was general grant better able than general lee to withstand tremendous losses?

    asked by EmilyMay
  220. Algebra

    7/w+2/+(-8w-2)/w^2+2w

    asked by Taurus
  221. algebra

    find volume of the figure. Type in exponential expression. 2 2x 4 3 4x 4x shape is a retangle

    asked by scott
  222. science

    If I begin with 100 atoms, how many atoms will be left of carbon 12 in 17,190 yrs if the half life of C12 is 5,730 yrs?

    asked by betty
  223. english

    can u help edit papers in this section as well?

    asked by Faye
  224. Intermediate Algebra

    find the product..-9x(x^3-3x^2+3x+9)

    asked by Freddy
  225. math

    n/-4 ≥ 7 answer?

    asked by Cheril
  226. math

    describe how a baseball and a basketball are alike?

    asked by esha
  227. math

    what would be the radius of a circle with the given circumference c=.18 radius cm

    asked by chelsea