Questions Asked on
May 6, 2014

  1. Science Plzz Help

    1. Which of the following types of joints allows the type of shoulder motion needed by a baseball pitcher to pitch a fastball in a baseball game? A. pivot B. gliding C. hinge D. ball and socket*** 2. Which of the following pairs of joints represents the

    asked by Mstv
  2. Math

    The Beeville City Council surveyed 500 Beeville citizens. Of those surveyed, 350 citizens named summer as their favorite season. Based on the survey results, how many of the 36,500 Beeville citizens would most likely name summer as their favorite season?

    asked by Gwen
  3. Math

    You are surveying students to find out their opinion of the quality of food served in the school cafeteria. You decide to poll only those students who buy hot lunch on a particular day. Is your sample random? Explain I think it would be but I'm not sure.

    asked by Gwen
  4. math

    3. What is the slope of the line for the cost of subs at Sam’s Sub Shop? Sam's Sub Shop: Cost: |$11 |$22 |$44 Subs: |2 |4 |8 2/11 5.5 1/5.5 5 4. The equation for the cost for subs at Anne's Restaurant is y=4.75x. If the cost for subs at all these

    asked by TTR+S<3
  5. social studies PLEASE CHECK

    1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll

    asked by what
  6. English 10B

    Which of the following conclusions about the speaker is best supported by the ideas and information in "From Emperor to Citizen?"

    asked by Anonymous
  7. Science

    In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are produced

    asked by Anonymous
  8. Math

    Jared drew a scatter plot comparing the number of hours worked and the amount of money earned over the course of a week. He graphed the ordered pairs(number of hours, amount paid)for each day worked. Which of the three scatter plots below most likely

    asked by Gwen
  9. math

    Researchers count 30 tagged zebras and 150 total zebras in an area of a game reserve. If researchers had previously tagged 80 total zebras at the game reserve, about how many total zebras live at the game reserve?Write a proportion to estimate the total

    asked by Gwen
  10. Math

    Carrie asked 50 randomly selected middle school students at Kind's High School about their favorite fast food item. Twenty-one selected french fries. If there are 350 middle school students at King's High School, estimate how many will select french fries

    asked by Gwen
  11. Physics

    A 75 g arrow is fired horizontally. the bow string exerts an average force of 65 N on the arrow over a distance of 0.90 m. With what speed does the arrow leave the bow string?

    asked by Anonymous
  12. Chemistry

    The formation constant of [M(CN)6]4– is 2.50 × 1017, where M is a generic metal. A 0.170-mole quantity of M(NO3)2 is added to a liter of 1.31 M NaCN solution. What is the concentration of M2 ions at equilibrium?

    asked by Nat
  13. Statistics (45)

    In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence? How

    asked by Mia
  14. Chemistry

    Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(l) At 1.00 atm and 23 ∘C, what is the volume of carbon dioxide

    asked by john
  15. English

    Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for $7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for $7.35. c

    asked by Susan
  16. English

    What is your opinion of the idea that the dangers we face may lie beyond our understanding? I just need some idea's, please help me out. I'm not that good at writing essays.

    asked by Jerry
  17. English

    Identify the correct sentence. A. Carla went to work at 248 Prospect Ave in Brooklyn, NY. B. Carla went to work at 248 Prospect Avenue in Brooklyn, NY. C. Carla went to work at 248 Prospect Avenue in Brooklyn, New York. D. Carla went to work at 248

    asked by Susan
  18. English

    Identify the sentence that is punctuated correctly. A. These products may not seem as exciting as they did in the past but maybe that's the time to do a little buying. B. Prior to Webster's complete two-volume edition he had compiled three shorter and

    asked by Susan
  19. English

    A __________ is always placed after a closing quotation mark. A. semicolon or comma B. semicolon or colon C. period or question mark D. period or comma D

    asked by Susan
  20. English

    Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

    asked by Susan
  21. science check answer

    i think its B. Adding a _____________ to an electric circuit would increase the magnetic field around a wire. A. insulator B. solenoid C. resistor D. conductor

    asked by matt
  22. Help ASAP, plz?

    A rock climber grasps onto a ledge in the rock wall. How do the bones and muscles in his arm interact to allow him to hold on? photo of a man climbing a rock wall All of the muscles in his arm contract to hold his arm in position. His arm muscles work in

    asked by Anonymous
  23. science 3 questions

    A rock climber grasps onto a ledge in the rock wall. How do the bones and muscles in his arm interact to allow him to hold on? photo of a man climbing a rock wall All of the muscles in his arm contract to hold his arm in position. His arm muscles work in

    asked by Anonymous
  24. math

    Using the numbers 2,3,5,10,24 write two separate equations that equal 120

    asked by jen
  25. English

    When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

    asked by Susan
  26. English

    A __________ is always placed after a closing quotation mark. A. semicolon or comma B. semicolon or colon C. period or question mark D. period or comma C

    asked by Susan
  27. English

    Identify the sentence that is punctuated correctly. A. Although, the impact on our planet is clear global warming was not a high priority for many years. B. Although the impact on our planet is clear, global warming was not a high priority for many years.

    asked by Susan
  28. Social Studies! CHECK!

    1. which event proved to European leaders that the policy of appeasement was not working? a. Germany's attack on France b. Germany's military alliance with Italy c. the rise of Naziasm in Germany d. germanys attack on Poland*** 2. how did South Carolina

    asked by what
  29. Statistics (42)

    A simple random sample of 60 items resulted in a sample mean of 96. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean was obtained from a sample

    asked by Mia
  30. English

    Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the

    asked by Susan
  31. Chemistry - Science (Dr. Bob222)

    How many mmol ( millimoles) of HCl must be added to 130.0 mL of a 0.40M solution of methyl amine (pKb = 3.36) to give a buffer having a pH of 11.59? Thank you for your help!

    asked by Ana
  32. Calculus

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3 A) Find the area of R B) B. Find the value of h, such that the vertical line x = h divides the region R into two Regions of equal area.

    asked by Samantha
  33. English

    Which of the following means expressing someone else's exact words? A. Direct quotation B. Paraphrasing C. Plagiarizing D. Indirect quotation

    asked by Susan
  34. algebra

    Mac's wallett is full of $5 and $10 bills. He has 25 bills totaling $230. How many of each bill does he have?

    asked by Frankie
  35. Physics

    A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror what is the focal length position of object magnification of object height of object

    asked by Deyonne
  36. Statistics (39)

    Suppose a random sample of size 40 is selected from a population with = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate). a. The population size is infinite (to

    asked by Mia
  37. Statistics (38)

    Many drugs used to treat cancer are expensive. BusinessWeek reported on the cost per treatment of Herceptin, a drug used to treat breast cancer (BusinessWeek, January 30, 2006). Typical treatment costs (in dollars) for Herceptin are provided by a simple

    asked by Mia
  38. Chem Check Please!!!

    All of the following statements concerning crystal field theory are true EXCEPT a. in low-spin complexes, electrons are concentrated in the dxy, dyz, and dxz orbitals. b. in an isolated atom or ion, the five d orbitals have identical energy. c. low-spin

    asked by Anonymous
  39. Social studies

    Which new deal agency is best remembered for its art-related projects

    asked by what
  40. physic

    In a serious accident, a nuclear power plant's reactor vessel cracks, and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat

    asked by joseph
  41. CHEMISTRY HELP !!!!

    Assuming the following reaction proceeds in the forward direction, 3 Sn4+(aq) + 2 Cr(s)  3 Sn2+(aq) + 2 Cr3+(aq) a. Sn4+(aq) is the reducing agent and Cr(s) is the oxidizing agent. b. Cr(s) is the reducing agent and Sn2+(aq) is the oxidizing agent. c.

    asked by Kimberly :(
  42. algebra

    1. Explain the concept of modeling. How does a model describe known data and predict future data? How do models break down (what can cause this)? Can you think of an example? 2. Imagine that points on a line on a Cartesian graph represent approximately the

    asked by Mayra Jacobs
  43. Statistics (46)

    The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of

    asked by Mia
  44. chemistry

    A silver block, initially at 59.4∘C^\circ C, is submerged into 100.0 g{\rm g} of water at 25.3∘C^\circ C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.6∘C^\circ C.

    asked by Anonymous
  45. math

    Jason bought 0.7 kg of tomatoes. The tomatoes sell for $1.96 for each kilogram. How much did he pay?

    asked by Annadona
  46. Math

    which display is best to determine the relationship between the number of hours worked and the amount of money paid? A)Histogram with intervals of 5 B)Histogram with intervals of 3 C)Line plot D)Line graph I think it is D

    asked by Gwen
  47. Math

    which display is best to determine the relationship between the number of hours worked and the amount of money paid? A)histogram with intervals of 5 B)histogram with intervals of 3 C)line plot D)line graph I think it would be D

    asked by Gwen
  48. Statistics (44)

    The travel-to-work time for residents of the 15 largest cities in the United States is reported in the 2003 Information Please Almanac. Suppose that a preliminary simple random sample of residents of San Francisco is used to develop a planning value of

    asked by Mia
  49. Science

    A certain gas expands in volume from 2.0L to 6.0L at constant temperature. Calculate the work done by the gas if it expands,against a vacuum.

    asked by Luzongo
  50. Chem Check Please!!!

    1) As bound ligands, which of the following causes the largest splitting of d-orbitals? a. phen b. H2O c. I– d. CN– e. C2O4^2– Answer D 2) The spectrochemical series a. lists ligands in order from monodentate to hexadentate. b. lists ligands in the

    asked by Anonymous
  51. math

    Jennifer works in a flower shop. On Saturday she started work at 8:45 a.m. She finished at 4:15 p.m. How many hours did Jennifer work after noon?

    asked by Abe
  52. English

    Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers.

    asked by Susan
  53. stat

    it is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes.

    asked by Anonymous
  54. English

    The main use of brackets in writing is to: A. mark an interruption in a quotation. B. note an error in a quotation. C. indicate an omission from a quotation. D. indicate an alteration in a quotation. A

    asked by Susan
  55. S.S

    1.The three main geographic regions of Peru are the A. sierra, the rain forest, and the plateau B. pampas, the rain forest, and the montaña C. selva, the sierra, and the pampas D. sierra, the coastal plain, and the selva 2.When oil prices fell in the

    asked by Anonymous
  56. English

    Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the

    asked by Susan
  57. calculus help

    find derivative of integral( t sint dt) upper limit 1+2x, lower limit 1-2x Show step by step please! Thank you

    asked by Sibel
  58. Catering

    Guidelines to formal etiquette quite clearly stipulate that? A. corn on the cob should be eaten with a knife and fork. B. asparagus spears should be eaten with the fingers. C. eating a canapé directly from a server's tray is permissible. D. bread should

    asked by Ashley
  59. Physic

    A massless rope is wrapped around a hollow cylinder of radius 23 cm whose central axis is fixed in a horizontal position. A mass of 3.8 kg hangs from the rope and, starting from rest, moves 137 cm in 2.2 s. What is the mass of the cylinder? (Answer: 62kg)

    asked by Anonymous
  60. Astronomy

    The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm. What is the Sun's effective temperature? Please enter your answer in units of Kelvin.

    asked by qwerty
  61. Physics

    A 75 g arrow is fired horizontally. The bow string exerts an average of 65 N on the arrow over a distance of 0.90 m. With what speed does the arrow leave the bow string?

    asked by Anonymous
  62. Math

    8. Sylvia is training for a triathlon. she cycles 6.25 km in 25 min. a) What is her average speed, in kilometres per hour? b) Solve a proportion to determine how long she would take to cycle 40 km. Us the speed in part A)

    asked by Annadona
  63. CHEMISTRY HELP !!!!

    What is the name of the compound having the formula [Cr(en)2(H2O)2]SO4? a. dihydroxydiethlyenediamminechromate(2) sulfate b. diaquabis(ethylenediamine)sulfatochromate(4) c. bis(ethylenediamine)diaquachromium(2) sulfato d.

    asked by Anonymous
  64. Chem Check Please!!!

    Calculate for the electrochemical cell below, Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard reduction potentials. Cu2+(aq) + 2 e– -> Cu(s) E = +0.337 V AgCl(s) + e– -> Ag(s) + Cl–(aq) E = +0.222 V a. –0.115 V b.

    asked by Anonymous
  65. Statistics (43)

    Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings

    asked by Mia
  66. social studies

    The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island

    asked by Anonymous
  67. Algebra

    x -1 -1 -2 -2 y 0 -1 2 3Part A: Does the table represent a relation that is a function? Justify your answer by using the values shown in the table. (4 points) Part B: The function f(h) shown below represents the number of tennis matches Diana won each

    asked by Mona
  68. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.

    asked by Chemistry
  69. Maths

    Can someone help me please this is the passage is.Rich is building a travel crate for his dog, Thomas, a beagle mix who is about 30 inches long, 12 inches wide, and 24 inches tall.For Thomas to travel safely,his crate needs to be a rectangular prism that

    asked by Pinks
  70. science

    Nitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead organisms and their waste products to release ?(ammonia) in a process called ?(nitrification) These ?(decomposers) can then be used by plants to make amino

    asked by Anonymous
  71. social studies

    1. what name did the people give to the good ship "Constitution"? Answer: Old Ironsides 2. Andrew Jackson is often spoken of by what nickname? Answer: King Mob 3. England's practice of forcing our sailors to serve in her navy was called what? Answer:

    asked by Anonymous
  72. social studies

    The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island

    asked by Anonymous
  73. social studies

    The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island

    asked by sue
  74. math

    the surface of the top layer of a circular sand pit is about 160 square feet. estimate the radius of the sand pit, to the nearest foot

    asked by caitlyn
  75. physics

    Find the final speed gained by a proton when it is accelerated from rest through a potential difference of 100 volts. Also find its final kinetic energy in electron volt

    asked by vipul
  76. Statistics (41)

    A market research firm conducts telephone surveys with a 42% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the

    asked by Mia
  77. Chem

    The mass of a golf ball is 45.9g g . If it leaves the tee with a speed of 70.0m/s m/s , what is its corresponding wavelength?

    asked by sam
  78. Stat college

    It is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes. Find the probability that the sample includes at most 2 people with blue eyes.

    asked by redd
  79. Math

    Samuel earns 0.2% interest each year on his savings account. If he has $3500 in his savings account for a year, how much interest will he have at the end of the year?

    asked by Annadona
  80. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.

    asked by Tina
  81. social studies

    what land did the United States gain from the War of 1812? New Orleans

    asked by please help
  82. MATH

    It is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. 1. Find the mean number of blu-eyed people in a sample of 9 americans.

    asked by Anonymous
  83. WORD PROBLEMS UGH

    1) A party mi is made from pretzels that cost $2 lb. and cereal that costs $2.40 lb. If a total of 4 pounds is made and the cost for the mix is $2.15 a pound, how many pounds of each ingredient are used? 2) When the tens digit of a two digit number is

    asked by andra
  84. chemistry

    What would Qc be if the volume of the container decreased by a factor of 1.774 for the following reaction? PH3(g) + BCl3(g) → PH3BCl3(s) KC = 534.8 at 353.0oC

    asked by Andy
  85. chemistry

    If you collect hydrogen gas over water at a temperature of 85*C, what is the volume of just the water if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6

    asked by brandie
  86. physics

    find the moment of inertia of the earth. Radius is 6,000 km and mass is 6 x 10^24 kg

    asked by chloe
  87. trig

    Find all points of intersection of the polar curves r= 2 + 4cos theta and r= 6cos theta. Please explain in detail.

    asked by Amber
  88. Math

    Suppose that we wish to seat ten people, 5 men and 5 women, in a row of ten chairs. In how many ways can we seat the people with no restrictions?

    asked by Bridget
  89. chemistry

    How much heat energy is needed to change the temperature of 25.00 mL of water from 5.0°C to 75.0°C? The molar heat capacity of water for this process Cp = 75.38 J/(mol °C), d = 1.00 g/mL.

    asked by Anonymous
  90. u.s global economics

    what aspects of your decison-making process fit the description of a rational choice? did you consider costs and benifits? did you pay attention to both monentary and non-monetary factors? did you consider opportunity costs and your long-term goals?

    asked by taylor
  91. Math

    If two fair dice are rolled, what is the probability that a total of five shows?

    asked by Bridget
  92. Chemistry - Science (Dr. Bob222)

    Ammonia is a weak base with a Kb of 1.8 x 10-5. A 100.0 mL sample of 0.13 M aqueous solution of ammonia (NH3) is mixed with 87 mL of 0.15 M solution of the strong acid HCl, calculate the pH of the final solution. A) 2.9 B) 11.1 C) 8.8 D) 5.2 E) None of the

    asked by Ana
  93. Math

    An additional to a house increases the floor area from 275m² to 300m². By what percent was the original floor area increased?

    asked by Annadona
  94. STAT

    it is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes. Find the probability that the sample includes at most 2 people with blue eyes.

    asked by Anonymous
  95. math

    Pedro types 240 words in 5 minutes. How many words can he type in 12 minutes? please help.

    asked by carlos
  96. social studies

    The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island

    asked by Anonymous
  97. math

    Jims records the number of cars his team sells in each month for a year. 4,6,8,6,7,3,5,3,9,8,7,9 What percent of the months does his team sell more than 6 cars?

    asked by Carey
  98. Math

    Use the given information to evaluate cos (a+b). Sin a = -7/25, cot b = -8/15. Neither a nor b are in quadrant IV. exact answers only. No decimals.

    asked by Anonymous
  99. Chem Check Please!!!

    In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired

    asked by Anonymous
  100. Chem Check Please!!!

    If an octahedral iron(II) complex is diamagnetic, which of the following sets of conditions best describes the complex? a. low-spin, Delta 0 small b. low-spin, Delta 0 large c. high-spin, Delta 0 small d. high-spin, Delta 0 large e. none of these Answer C

    asked by Anonymous
  101. Statistics (36)

    For borrowers with good credit scores, the mean debt for revolving and installment accounts is $15,015 (BusinessWeek, March 20, 2006). Assume the standard deviation is $3,730 and that debt amounts are normally distributed. a. What is the probability that

    asked by Mia
  102. Trigonometry

    Two radar stations are 50 miles apart. Both are tracking the same plane. At this moment, the angle between station 1 and the plane is 73 degrees and the angle between station 2 and the plane is 46 degrees. How far is the plane from station 2?

    asked by Ryan
  103. social studies

    what land did the United States gain from the War of 1812? Was it Florida or Detroit

    asked by Anonymous
  104. Physics

    The speed of a hockey puck (mass=100.0 g) decreases from 45.00 m/s to 42.68 m/s in coasting 16.00 m across the ice. a) How much thermal energy was produced? b) What frictional force was acting on the puck?

    asked by Anonymous
  105. physics

    Low E on a guitar vibrates at 82.4 Hz and the guitar is 62.8 cm long. How long would the same string have to be to vibrate at high E 329.6 Hz. Assume that both strings vibrate at the fundamental frequency for the string.

    asked by Anonymous
  106. trig

    On an inclined road, which makes an angle of 25 degrees with the horizontal plane, stands a vertical tower. At a point Q, 150 ft from the base of the tower down the road, the angle of elevation to the top of the tower is 65. How high is the tower?

    asked by Jendey
  107. programming

    1. Suppose that you want to search for a friend, ‘S’, telephone number in a phone book. List the steps taken if you use binary search. Illustrate with the list of alphabets ignored during the search by crossing them. (Example – Step 3 – Ignore

    asked by juju
  108. chemistry

    For each organic compound, determine if it is an alkane, alkene, or alkyne. (No ringed structures and only one multiple bond per structure.) 1. C10H18 - alkyne 2. C15H32 - alkane 3. C20H40 - alkyne 4. C5H10 - alkene 5. C3H6 - alkene 6. C7H16 - alkane I am

    asked by bekah
  109. Chemistry

    What is the % mass/volume of a 3.00 M solution of NaCl?

    asked by Sudana
  110. accounting

    In recent years, there has been a lot of media coverage about the funding status of pension plans for state employees. In many states, the amount of money invested in employee pension plans is far less than the amount estimated to be needed to pay them the

    asked by Tyler
  111. Physics

    A mass vibrates at the end of a horizontal spring (k=125 N/m) along a frictionless surface reaching a maximum speed of 7.0 m/s. If the maximum displacement of the mass is 85.0 cm, what is the mass?

    asked by Anonymous
  112. Management

    A firm is assigned the network part 132.99. It selects an 11-bit subnet part. (20 pts) a) Draw the bits for the four octets of the IP address of the first host on the first subnet. b) Convert this answer into dotted decimal notation. c) Draw the bits for

    asked by Jane
  113. chemistry

    At 674.5 K the equilibrium concentrations of N2, H2, and NH3 were 0.1614 M, 0.1128 M, and 0.005892 M, respectively. What is the equilibrium constant for the reaction below? 2 NH3(g) → N2(g) + 3 H2(g)

    asked by Andy
  114. Trigonometry

    Simplify each expression using the fundamental identities. 1. Sec x csc x / sec^2x+csc^2x 2. Sec x + tan x / sec x + tan x - cos x

    asked by Anonymous
  115. physical science

    A 2400-kg truck accelerates from 20 m/s to 35m/s in 5s. find the net force on the truck

    asked by willie langhorne
  116. programming

    Consider the following situation - checkout line in a counter. The details are shown as below: i. One check-out line ii. The serving time for every customer is one minute but they may have to wait in line before being served iii. The customers between zero

    asked by juju
  117. physics

    A steel sphere of radius 6.5 mm is dropped into a lake. What is the terminal speed of the sphere?

    asked by Sarah
  118. Law

    1. When do police need an arrest warrant? A. Anytime an arrest is made B. Only when getting a warrant is practical C. If the arrest is made in a private place D. If the arrest is made in a public place im confused between B and C

    asked by Amy
  119. Physics

    A 0.50 kg pendulum is pulled back and released. When the height is 0.60 m above its equilibrium position its speed is 1.9 m/s. What is the maximum height of the pendulum?

    asked by Anonymous
  120. algebra

    Two persons are to run a race, but one can run 8 meters per second, whereas the other can run 2 meters per second. If the slower runner has a 99-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the

    asked by Quencie
  121. Sam

    only 2/9 the university students wanted to become math teachers. if 2800 didn't want to become math teachers how many university students were there? So, 2/9 * WN = 2800? How would you work it out?

    asked by Math
  122. math

    A Jewlery box has length of 3 and a half, a width if 1 and a half, and a height of 2 units. What is the volume if the box I cubic units? Each of the cubes in this activity has a side length of 1/2. How many cubes with side length 1/2 does it take to form a

    asked by Jess
  123. Data Structure

    A group of k villagers must cross, the Sarawak river, which is a wide and deep river. There is no bridge in sight. They notice two 10-year-old boys playing in a rowboat at the shore. The boat is so tiny and it can hold only two boys or one villager. How

    asked by Bell
  124. Math

    The table shows the number of people switching to a new telecommunications company over a 7-day period in August. Day=number of people 1=10 2=17 3=37 4=79 5=106 6=231 7=500 Using this estimate how many people will switch on august 31st. * it's an

    asked by Marina
  125. Science

    What type of simple machine is a doorknob? or is it a compound machine?

    asked by Amy
  126. (5) Chemistry - Science (Dr. Bob222)

    Consider a buffer made from 0.13 M sodium acetate and 0.10 M acetic acid in 1L. What amount of KOH must be added to cause an increase of the pH by 0.14? A) 0.048 mol B) 0.038 mol C) 0.028 mol D) 0.018 mol E) 0.008 mol

    asked by Ana
  127. math

    Greg and Verena both work for the Spelling Company. Greg earns $18.60 per hour as an assembler, and Verena earns $12.20 per hour as a technician. Last week Greg worked es031-1.jpg hours and Verena worked es031-2.jpg hours. What was their combined earnings

    asked by bunny
  128. science

    My answers are in the brackets Nitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead organisms and their waste products to release ?(ammonia) in a process called ?(nitrification) These ?(decomposers) can then be

    asked by Anonymous
  129. Budget

    Your program has an RDT&E-funded project scheduled to start in January 2005 which is expected to take 16 months to complete. The project is expected to cost a total of $16 million (then-year dollars), with cost expected to be incurred at a rate of $1

    asked by Glennis
  130. Trigonometry

    Simplify each expression using fundamental identities. 1. Sin theta cot theta 2. 1-sin^2 theta / cos theta

    asked by Jake
  131. Chem 130

    What mass of CO2 could be absorbed by 1.37 g of CaO? What volume would this CO2 occupy at STP?

    asked by michelle
  132. maths

    2/ x^2 - 9xy^2 - 3/3x + 12y

    asked by Shane
  133. project

    Virginia ratified the constitution with the help of all of the following men EXCEPT: A.Washington B.jefferson C.henry D.Madison

    asked by chelsea
  134. chemistry

    At 2273 K the equilibrium constant for the reaction 2 NO(g) « N2(g) + O2(g) KC = 2400 What would be the equilibrium concentration of N2 if the initial concentration of NO was 0.1778 M?

    asked by Andy
  135. physics

    Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the substance have very different melting temperatures and densities. The unknown substance is

    asked by coon
  136. calculus help

    Evaluate integral from -10 to 10 of ((2e^x)/(sinhx+coshx)dt) Show steps please Thanks!

    asked by Kimberly :(
  137. Statistics (37)

    According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviation is .7 hours and that the probability distribution is normal. a. What is the probability that a randomly selected person

    asked by Mia
  138. science

    The study of the Earth's magnetic field is known as

    asked by joshua`
  139. programming

    Consider the following input and output: INPUT: (((5 + 1) – (7 – 4)) / (11 – 8)) OUTPUT: 5 1 + 7 4 – – 11 8 - / 2.1. What variables do you need to consider for the input? 2.2. Describe in English, step by step, the algorithm that transforms the

    asked by juju
  140. math

    Find the maturity value on a loan of 10,500 @ 8 1/2% interest for 18 years using the MV=P+I

    asked by Lou
  141. FInite Math

    A car rental agency has rental and return facilities at both Dallas and Austin Airports. Assume that a car rented at either airport must be returned to one or the other airport. If a car is rented at Austin, the probability that it will be returned there

    asked by Katie
  142. math

    (3 + -9)squared =?

    asked by Aubree
  143. Math!!

    -3(-9) + (3 + 2(5)squared =

    asked by mark reynalds
  144. CHEMISTRY HELP !!!!

    Which of the following statements is/are CORRECT? 1. Naturally occurring isotopes account for only a small fraction of known radioactive isotopes. 2. A few radioactive isotopes with long half-lives, such as U-235 and U-238, are found in nature. 3. Trace

    asked by Kimberly :(
  145. Math

    Calculate the interest and the total amount. a)a loan of $1750 at a 4.8% for over five years. b)an investment of 1500 at 3% per year over three years.

    asked by Annadona
  146. Law

    1. Once Fourth Amendment protections have been triggered, the next stage in the analysis requires that we focus on: A. the reasonableness of the search or seizure. B. any secret agenda behind the search or seizure. C. the time of day of the search. D. the

    asked by Amy
  147. Chemistry

    A tank contains helium for filling balloons. It holds 6.75 L of Ne at 24.8 atm and 27.5 °C. What would be the volume of this helium at 2.13 atm and 10.6 °C?

    asked by Aleena
  148. Math

    If a, b, and c are three integers in geometric progression, prove that the number a^2+b^2+c^2 is exactly divisible by the number a+b+c.

    asked by Lina
  149. science

    My answers are in the brackets Nitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead organisms and their waste products to release ?(ammonia) in a process called ?(nitrification) These ?(decomposers) can then be

    asked by please help
  150. maths

    Simplify; x^2 - x - 6/ 6xy divide x^2 - 9/2x^2y

    asked by Shane
  151. Math

    When an engineer inspects a pipeline she notices a high water mark. How much space is there between the high water level and the top of the pipe, to the nearest hundredth. The diameter of the pipe is 1.2m and the horiztonal distance across the surface of

    asked by Summer
  152. geography

    state and define seven elements of weather

    asked by Patience
  153. English

    I have to write a critical essay on Hamlet and I can't find a good topic to write about. I need something that will be easy because I am not good in writing essays that are more elaborate. Can somebody suggest a good topic that will be easy to write about

    asked by Anonymous
  154. chemistry

    What is the [C7H5O2−] in a solution which is 0.1283 M in HC7H5O2 and 0.1364 M in HBr? HC7H5O2(aq) + H2O(l) « C7H5O2−(aq) + H3O+(aq) Ka = 6.5000e-5

    asked by Andy
  155. chemistry

    What is the [CH3NH3+] of a solution which is 0.1003 M in CH3NH2 and 0.1204 M in CsOH? CH3NH2(aq) + H2O(l) « CH3NH3+(aq) + OH−(aq)

    asked by Andy
  156. History

    Please explain what the three reconstruction plans have in common and how they are different? Thank you

    asked by Brenda
  157. Accounting

    Use the following information to answer questions 5-7. Blue Bird Bus Company is suffering declining sales of its principal product, school buses. The bank has threatened to call due a note if the company’s net income declines next year. The president,

    asked by Mia
  158. ALGEBRA

    Simplify. (x^2-3x-10)/(x+2) How? (I don't have any answers for this one)

    asked by Sandra
  159. Theater

    What were some important props in William Shakespeare's Titus Andronicus and what did they represent?

    asked by Kelsie
  160. Economics

    Are there any current subsidy or welfare issues that or being disused or addressed in parliament or in municipality

    asked by Nonelwa
  161. PCT

    Anyone good with Patient care Tech?

    asked by Diana
  162. Chemistry

    Calculate the molarity of an HCI solution, if 20.0 mL of it were neutralized by 10.0 mL of 2.00 M solution of NaOH.

    asked by Help me!!!!!!
  163. Economics

    Difference of fair work act 2009 and australian pay and conditions standard. Thank you

    asked by Celine
  164. Algebra help please!

    1. Find 5A-3B. A=[6 -5 8], B=[7 5 -6] [5 -4 3] [4 3 -4] 2. Solve the matrix equation. [3 -1] - x=[-2 3] [2 5] [1 -6] 3. Given A=[1 -1 2] and B=[-1 -3 2], [3 0 5] [2 4 5] [0 2 -2] Find AB. 4. What is the inverse of [-100 -25]? [-5 -6]

    asked by Kirston
  165. finance

    a bond that has a $ 1,000 par value ((face value)) and a coupon interest rate of 10.1% the bonds have a current market value of $1,127 and will mature in 10 years the firm's marginal tax rate is 34% the cost of capital from this debt is %

    asked by billy
  166. reading

    how would you describe romeos best friend. what kind of a person is he? how does his personality differ from that of Benvolio.

    asked by yasminb
  167. reading

    two way in which Lord Capulet demonstrates that he is head of the household.

    asked by yasminb
  168. Law

    1. A description of the statute 18 U.S.C. Section 3501 is: A. An act of Congress that confirmed the Miranda v. Arizona decision. B. The U.S. Code designation assigned to the Crime Control Act of 1968, which attempted to invalidate the Miranda v. Arizona

    asked by Amy
  169. Math!!

    -3(-9) + (3 + 2(5)squared =

    asked by mark reynalds
  170. Algebra

    factoring 18z+45+z^2

    asked by Tracy
  171. Physics

    Part A Determine the energy of a photon whose absorption changes a He+ ion from the n = 1 to the n = 6 state. Determine the wavelength of a photon whose absorption changes a He+ ion from the n = 1 to the n = 6 state. Determine the frequency of a photon

    asked by The bulgarian Turpedo
  172. science

    Why can an array of smaller interferometers have a better angular resolution than one large interferometer?

    asked by sam
  173. math

    Write an equation of a line in standard form with a slope of -8 and passing through the point (-10, 2).

    asked by nate
  174. maths

    Simplify; p^2 - p - 42

    asked by Shane
  175. physics

    Why does the pitch of the sound produce by blowing over an open end of a bottle change when you have more water in it?

    asked by marlene
  176. Algebre

    Please help I don't understand Contract the expression this is use properties of logarithm to write each expression as a single logarithm with a coefficient of 1. In3-3 In 9 +In 18 In3-2 in (9=6) In 3-2 (In 4 In 8) Thank you so much

    asked by Mary Ann
  177. physics

    The gravitational field strength at 35700km above earth is .225N/kg. what is the tangental velocity of a 100000kg communication satellite? mass of earth = 5.98E24kg and radius of earth = 6.37E6m

    asked by Sam
  178. math

    Math two/y=2 ___ ____

    asked by Andy
  179. algebra

    Please Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c in words.

    asked by john
  180. Social Studies

    Driving to Corning, NY from New York City, NY and walking from Corning, NY to Goat Island, Niagara Falls, you wouldn't cross any bodies of water, mountains, or deserts? Right? I searched but I didn't get anything, I just want to make sure.

    asked by Anonymous
  181. chemistry

    Calculate the molar it of a solution that contains 5.4 get of sodium sulfate dissolved in enough water to make 3.5 L of solution

    asked by Ali
  182. chemistry

    If you have a 29.6 mass percent KCl in benzene,what is the new boiling point?

    asked by brandie
  183. hydraulics

    If a drain pipe 18 inches in diameter is running from a surface storm drain into a body of water where the discharge is submerged will the water flow out of the submerged open end. Storm drain is approximately 6 feet above the submerged end of the pipe.

    asked by glen
  184. Trigonometry

    Verify the identity. (Cos x - sin x)^2 + (cos x + sin x)^2=2

    asked by Anonymous
  185. social studies

    what is one factor that contributes to philadelphias reputation as an important industrial center

    asked by jayla
  186. Trigonometry.

    Use the given information to evaluate cos (a-b). Cot a = 3/4, cot b = 24/25; pi

    asked by Anonymous
  187. physics

    What is a property of metals?

    asked by coon
  188. Accounting

    The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually high. The corporate tax rate is also high this year but it is scheduled to decline significantly next year. In light of this

    asked by Mia
  189. Accounting

    Use the following information to answer questions 8-10. The Boxcar Corporation has paid a total of $1 million in cash bonuses to its officers for 8 consecutive years. The board’s policy requires that, for this bonus to be paid, net cash provided by

    asked by Mia
  190. programming

    Suppose that you can select the pivot of the quick sort algorithm with three methods: you can select the first item, last item, or middle item as the pivot. Indicate the method(s) that gives the most efficient result to sort the following arrays. Note that

    asked by juju
  191. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah
  192. history

    Lashing out at the Prussian middle class after he took office in 1862, Bismarck declared that governance would proceed without parliament. He famously said that the big questions of the day could not be addressed by speeches and resolutions, but only by

    asked by Victoria
  193. algebra

    2b-2/2b^2-8 (find domain to rational expression)

    asked by Michele
  194. Physics

    The position of an object is described as x = 4.0t and y= 1.5t2 - 2t + 1.0. All factors are in SI-units. a) What is the begining velocity of the object? b) What is his acceleration? c) What is the direction along the x-axe at the time t=1.0 s ? Given

    asked by Physics: Motion in two dimensions?
  195. algebra

    25=(1/5)^-2

    asked by Mary
  196. Psychology

    How can neglect of talking to a child early in life can affect their language ability.

    asked by Ja'mya
  197. math

    2(3)cubed - (-9 + 5)squared =?

    asked by anonymus
  198. Algebra 2

    4 exponent -2=1/12

    asked by kathy
  199. Chemistry

    What is the % mass/volume of a 3.00 M solution of NaCl?

    asked by ASAP!!
  200. chemistry

    The mean activity coefficients of HBrin 5.0 and 20.0 mmol kg –1 are 0.930 and 0.879, respectively. Consider a hydrogen electrode in HBr(aq) solution at 25 °C operating at 1.15 atm. Calculate the change in the electrode potential when the molality of the

    asked by piku
  201. Calculus

    Poli 761 (a fictitious substance) decays by about 7% every day. How much of a 88 pound sample remains after 9 days?

    asked by Ann
  202. math

    trish bought 3,000 shares of stock for 59 dollars per share six months laters she sold 3,000 shares for 75 dollars per share if the commission 975 how much did she profit

    asked by bunny
  203. history

    it was economist david ricardo who said that because of the pressure of population growth, wages would be just high enough to keep workers from starving; this was called the ________.

    asked by Victoria
  204. math

    a boat travels 75 miles in 4 hours. at that rate, how long will it take to travel 120 miles?

    asked by carlos
  205. Math

    How to solve this equation Log [log (log x)] =1 5 4 2

    asked by Hyde
  206. Physics

    A steel sphere of radius 6.5 mm is dropped into a lake. What is the terminal speed of the sphere?

    asked by Irene
  207. math

    x+9=2

    asked by kay
  208. science

    Is it ture that air molecules have weaker attractions then water molecules? A.Yes B.No

    asked by andre
  209. Math

    If two fair dice are rolled, what is the probability that a total of five shows?

    asked by Bridget
  210. Math

    If two dice are rolled, what is the probability that a total is showing more than four

    asked by Bridget
  211. math

    find the best buy on spaghetti sauce. you have a coupon for $0.75 off brand x and a coupon for $0.25 off brand y. 28 ounces of brand x for $3.89 18 ounces of brand y for $1.89 13 ounces of brand z for $1.29

    asked by carlos
  212. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah
  213. Math

    a/(a+3) = (2a)/(a - 3) - 1

    asked by Anonymous
  214. Physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Irene
  215. math

    suppose the ratio of your income last year to your income this year is 3 to 2. explain what this means. give an example of the dollars earned last year and this year that fits the 3 to 2 ratio.

    asked by carlos
  216. Chemistry

    How do i provide ionic equations , for example to this one --> HNO3(aq) + KOH(aq)

    asked by Sudana
  217. social studies

    I would want to know the questions and answers for grade 4 week 10

    asked by Superstar
  218. math

    lou makes pancakes at a pancake house. he makes 12 pancakes in 4 minutes. at a rate, how long would it take him to make 54 pancakes

    asked by Anonymous
  219. Algebra

    a/(a+3) = (2a)/(a - 3) - 1

    asked by Anonymous
  220. history 11th grade

    What are the perils of the amazon rain forest?

    asked by Anonymous
  221. why

    What is liboche unscrambled in spanish?

    asked by why
  222. algebra

    solve the system of equation 2x+y=5 y^2-2y=-3x+5

    asked by Tom
  223. maths

    Simplify 5x/7 × 15y/8x

    asked by Shane
  224. physics

    how fast must a .11kg toy car travel at the top of a loop in toy track not to fall off if the radius of the loop is .15m?

    asked by Sam
  225. maths

    Simplify; (x - y)^3 divide x^2z - 2xyz + y^2z

    asked by Shane
  226. physics

    a 2000kg car approaches a 1000m radius curve. If the amount of friction is 1800 N and it have velocity of 30m/sec will the car be able to make the turn?

    asked by Sam
  227. physics

    A steel sphere of radius 6.5 mm is dropped into a lake. What is the terminal speed of the sphere?

    asked by Irene
  228. physics

    A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The

    asked by Sarah
  229. pre algebra

    is the following a non linear function? y = 3x squared + 1

    asked by steve
  230. English

    I am from the city proper. Q1:What is 'city proper' in England? Q2: At the Great Fire of London, what was the population of London? More than 500,000 or 80,000? City proper was 1/6 of Londoners.....

    asked by rfvv
  231. Math

    Add: 2/y^2 - 3x/y-x - 3/y

    asked by Sarah
  232. Math 2

    Thomas is making punch for a party. He mixes two 32 ounce bottles of ginger ale with 3 16 ounce bottles of fruit punch. He wants to pour the punch into 8 ounce cups. How many cups can Thomas fill?

    asked by Jenny 2
  233. Math 3

    A school cafeteria serves. 60,000 ounces of milk during a 3 school week period. If the same amount is served each day, how much milk does the cafeteria serve each day?

    asked by Jenny 2
  234. Organic CHM II

    Define the following sets of term: α- and β- notation

    asked by rtyeu
  235. computer problem

    Many day ago my seddenly my computer can't open. The power botton can't light. Please help me.

    asked by Leo