Most popular questions and responses by Kimberly
  1. Social studies

    Since the 1800s, which human activity has changed land use and led to the growth of large cities in many countries? A.industrialization B.colonization C.pollution D.rural population growth

    asked on August 21, 2018
  2. Biology

    A blue eyed man whose parents were brown eyed marries a brown eyed woman whose father was brown eyed whose mother was blue eyed they have one female child who is blue eyed make a pedigree chart based on the information above.

    asked on January 18, 2013
  3. Social Studies

    Which method of showing Earth's surface is the most accurate? A. An equal-area projection B. A scale-model globe C. A Mercator projection D. A Robinson projection

    asked on August 14, 2018
  4. chemistry

    Lithium chlorate is decomposed with heat to give lithium chloride and oxygen gas. If 2.23g of lithium chlorate is decomposed, how many milliliters of oxygen are released at stp?

    asked on April 28, 2015
  5. Math Check

    Which nonterminating decimal can be converted into a rational number? 0.818118111... 0.020304050... 0.010110111... 0.321321321... *** George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the

    asked on November 30, 2016
  6. Algebra 2 pleaase help me out!!

    Katrina owns a sandwich shop. She wants to know if she can sell more chicken sandwiches if they are prepared with a special sauce. Katrina sells regular chicken sandwiches on a random sample of 10 days and she sells sandwiches with the special sauce on a

    asked on December 8, 2016
  7. English

    Read the conversation at a peer review for Ben’s short story. “It seems your central character has a really cool power: being able to hear what others are thinking,” Tom said. “Actually, I think it was more of a jinx,” replied Ben. “Being able

    asked on February 9, 2014
  8. chemistry

    in 1807 the English chemist Humphrey Davy passed an electric current through molten potassium hydroxide and isolated a bright, shiny reactive substance. He claimed the discovery of a new element, which he names potassium. In those days, before the advent

    asked on May 21, 2011
  9. Math

    To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 125 were happy with the

    asked on November 20, 2009
  10. Chemisty

    Calculate the Volume occupied by 1.5 moles of an ideal gas at 25 degrees Celsius and a pressure of 0.80 atm. (R= 0.08206 L atm/(mol*K). I've tried using the ideal gas law: PV=nRT but i can't seem to get where I am getting lost. V=(1.5mol)(0.08206 L

    asked on March 29, 2017
  11. Sciene

    Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.

    asked on May 10, 2014
  12. Honors English

    Can somebody please let me know or show me a website that clarifies what the elements of the Restoration comedy are? Also how food consumption relates to the play "The Importance of Being Earnest"?

    asked on January 21, 2018
  13. Geometry

    A marathon runner ran the first 4 miles in 27.8 minutes. If she continues running at this pace, how long will it take her to run the entire marathon of 26.2 miles?

    asked on December 9, 2014
  14. physics

    A car initially going 30ft/sec brakes at a constant rate (constant negative acceleration) coming to a stop in 4 seconds. How far did the car travel?

    asked on April 21, 2011
  15. english

    Which one of the following is a correct example of the singular possessive case? A. king's rights B. audiences' reaction C. women's club D. who's job I think it's C.

    asked on March 21, 2014
  16. Business

    Essie and Ruby sell Blu-Ray players. Last month Essie sold 35 less Blu-Ray players than Ruby. Together they sold 145. How many Blu-Ray players did Essie sell?

    asked on August 9, 2013
  17. Physics Questions Help Please!

    1) The lowest tone to resonate in an open pipe of length L is 1600 Hz. What is the frequency of the lowest tone that will resonate in a closed pipe of length 2L? a) 100 Hz b) 1.60 Hz c) 200 Hz d) 0.800 kHz 2) Which of the following does not increase as a

    asked on December 5, 2014
  18. spanish

    Using the subject “usted” and the verb in the imperative, tell your instructor three things she or he must do. Then tell your instructor two things she or he must not do. You will be graded on accuracy and pronunciation. Provide your sentences in

    asked on April 7, 2014
  19. chemistry

    The antacid in question (with an active ingredient of Ca(HCO3)2), upon treatment with excess hydrochloric acid, a 0.413 g sample gives 92.85 mL of CO2 at 25.00oC and 1.000 atm. What percentage of the antacid is active ingredient? Assume a perfect system

    asked on November 1, 2014
  20. physics

    A 0.5 kg rock is projected from the edge of the top of a building with an initial velocity of 9.66 m/s at an angle of 41 degrees. The building is 10.1 m in height. At what horizontal distance, x, from the base of the building will the rock strike the

    asked on January 3, 2015
  21. Algebra

    Jess saved $500 working during the summer. He plans to buy school clothes with his money. He found jeans he liked for $30 per pair, including tax, and shirts for $17, including twice. If he buys exactly twice as many shirts as jeans, how many pairs of

    asked on April 28, 2015
  22. Physics Help Please!!!! Check!

    if I weigh N on Earth and 5320 N on the surface of a planet, what is the acceleration due to gravity on that planet? mg=702N m=702/9.8=71.6 kg mg=5320N g=5320/71.6=74.3 m/s^2

    asked on October 17, 2014
  23. math

    A jet is flying through a wind that is blowing with a speed of 45 mi/h in the direction N 30° E (see the figure). The jet has a speed of 775 mi/h relative to the air, and the pilot heads the jet in the direction N 45° E.

    asked on December 2, 2012
  24. math

    Find the probability of at least one birthday match among a group of 48 people.

    asked on April 18, 2010
  25. math

    write an equation to represent the statement"four less than the product of three and x is twenty-three" 3x - 4= 23 4x - 3x = 23 4x - 3 = 23 3 - 4x = 23

    asked on November 3, 2014
  26. 6th grade math

    A jogger is running around a 3/4 mile track and is 2/3 around the track. How far has the jogger traveled?

    asked on May 8, 2018
  27. science

    a race car moves at a constant speed around an oval tracks. is the car accelerating? why or why not

    asked on April 25, 2019
  28. Chem Help Please!

    Give the full mechanism for the reaction of 1-bromo-3-methylpentane with methanol. I know you cant draw on here. but can you tell write it out with words? Thanks!

    asked on October 14, 2014
  29. Math

    I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need

    asked on February 5, 2011
  30. Physics Help Please!!!! Urgent!!

    1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant velocity, what is the coefficient of friction? 2) A horizontal force of 100N is applied to a 200 kg refrigerator sitting on a

    asked on October 16, 2014
  31. algebra

    how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do

    asked on February 16, 2015
  32. chemistry

    I did 3 Experiments and got 3 rate as the following: Exp1: (S2O8)2-:0.05M; I-:0.05M rate:1.7x10^-5 M/s Exp2: (S2O8)2-:0.10M; I-:0.05M rate:3.4x10^-5 M/s Exp3:(S2O8)2-:0.05M; I-:0.10M rate:3.6x10^-5 M/s what effect does doubling [(S208)2-] have on the rate?

    asked on October 1, 2010
  33. Physics Help Please!

    A block of mass is moving along the horizontal frictionless surface with a speed of 5.70 m/s. If the slope is 11.0° and the coefficient of kinetic friction between the block and the incline is 0.260, how far does the block travel up the incline? Show step

    asked on November 5, 2014
  34. Chemistry

    A sample of naphthalene, which should be pure white, was found to have a grayish color after the purification procedure. The melting point was correct but the melting point range was smaller. Why the gray color? Is it possible the "purification procedure"

    asked on October 21, 2006
  35. Math help

    Convert the repeating decimal to a/b form, where a,b are integers and b =0(there is a slash through the equal sign) 2.36(there is a line over .36)'

    asked on August 5, 2015
  36. sociology as an individual pastime

    Could you please help me explain the research methodologies used in sociology as an individual pastime?

    asked on September 24, 2010
  37. sociology

    My assignment is about reading "Sociology as an individual pastime"( Peter L. Berger) and summarizing it. I have read it again and again for many times, but I still don't understand it clearly. Please help me

    asked on September 22, 2010
  38. Physics

    You and your friend throw balloons filled with water from the roof of a several story apartment house You simply drop a balloon from rest. A second balloon is thrown downward by your friend 2.1seconds later with an initial speed of 41.6m/seconds. they hit

    asked on September 16, 2012

    What is the wavelength in meters for light having a frequency of 2.40 X 10ˆ12 sˆ-1? What portion of the electromagnetic spectrum does this belong?

    asked on September 7, 2012
  40. Physics

    A wave sent out from a source is reflected back to the source in 1.0*10^-3 if the velocity of the wave is 3.0*17^8 the distance of the reflecting surface from the source is?

    asked on June 1, 2019
  41. Calculus

    The amount of carbon-14 still present in a sample after t years is given by the function where C0 is the initial amount. Estimate the age of a sample of wood discovered by an archeologist if the carbon level in the sample is only 18% of its original

    asked on March 26, 2014
  42. Algebra

    The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the

    asked on December 1, 2014
  43. physics

    an electric heating element is conneceted to a 110V circuit and a current of 3.2 a is flowing through the element. How much energy is used up during a period of 5 hours by the element?

    asked on March 11, 2012
  44. Algebra

    A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two smaller rectangular regions by placing a fence parallel to one of the sides, as shown in the figure. (a) Write the width w as a

    asked on November 4, 2014

    Not for homework, just practice problems I'm having trouble with. Knowing that one mole of KHP, C8H5O4K, reacts with one mole of NaOH, what mass of KHP is required to neutralize 30.0 mL of the 0.10 M NaOH solution? if 24.5 mL of the 0.10 M NaOH solution is

    asked on October 22, 2012
  46. Math

    The regular pentagon have a perimeter of 18.8 units. What is the value of X?

    asked on April 12, 2014
  47. Math

    A square has the same area as a rectangle whose longer side is 2 times the length of its shorter side. If the perimeter of the rectangle is 24, what is the perimeter of the square? A. 8 sqrt 2 B. 16 sq

    asked on August 8, 2018
  48. physics

    A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b.

    asked on January 2, 2015
  49. Statistics

    Is this right? and how can I break it down if needed? A factory’s worker productivity is normally distributed. One worker produces an average of 75 units per day with a standard deviation of 20. Another worker produces at an average rate of 65 per day

    asked on February 11, 2011
  50. Math

    A ball rebounds 7/8ths as high as it bounced on the previous bounce and is dropped from a height of 8 feet. How high does it bounce on the fourth bounce and how far has it traveled after the fourth bounce?

    asked on February 28, 2011
  51. physics

    boy pulls a toy cart of mass 2 kg with a force of 3 N at an angle of 60° with respect to the horizontal road. What is the acceleration produced by the cart?

    asked on October 15, 2010
  52. MTH 156

    When two gears are mashed the revolution per minutes (rpm) are inversely proportional to the number of teeth, as show below. In one machine the rpm ratio of the larger gear to the small gear is 4:7 The small gear has 216 teeth In second machine the larger

    asked on August 5, 2015
  53. Math

    A dress is on sale for a 15% discount, meaning 85% of the price remains. If the sale price of the dress is $51, then the original price of the dress was $.

    asked on June 30, 2014
  54. physics

    A ball rolls off of a table with a speed of 2 m/s. The table is 1.2 m high. How long will it take to the ball to hit the ground?

    asked on October 26, 2011
  55. Mth 156

    A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 6% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company

    asked on August 7, 2015
  56. algebra

    Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problem-what would you tell him? Tiffany Oakes

    asked on July 12, 2010
  57. social studies

    what is the geographic features of the eastern woodlands

    asked on December 8, 2009
  58. SCI

    Energy Resource Challenges  Post a 200- to 300-word response to the following: Describe all of the renewable energy alternatives (WIND POWER, SOLAR POWER, BIOMASS FERMENTATION) What are some challenges with using and managing these

    asked on January 13, 2008
  59. math

    shawna reduced the size of a rectangle to a height of 2 in. what is the new width if it was originally 24 in wide and 12 in tall ? how do you solve it if the answer is 4?

    asked on November 17, 2011
  60. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked on April 15, 2013
  61. converting parabolic equations

    The vertex form of the equation of a parabola is x=8(y-1)^2-15. What is the standard form of the equation?

    asked on April 23, 2016
  62. International Economics

    When is international trade an opportunity for workers?

    asked on July 18, 2008
  63. Physics help - Waves and Sound Questions

    1) A 1.50-m long gas column that is open at one end and closed at the other has a fundamental resonant frequency 80.0 Hz. What is the sound speed in this gas? a) 120 m/s b) 30.0 m/s c) 480 m/s d) 213 m/s e) 53.3 m/s 2) You drop a stone down a well. You

    asked on November 25, 2014
  64. fiance

    Use the following statistics from Robert Morris Associates' Annual Statement Studies to answer the following question(s). Net sales 100.0 percent Cost of sales 59.9 percent Gross profit 40.1 percent Operating expenses 31.2 percent Net profit (before taxes)

    asked on August 25, 2010
  65. math

    HELP. Help I have to decide whether these are rational or irrational. .73737373... .61611611161111..... 1/23 Can someone explain this to me? Rational numbers are just fractions. The decimal expansion of fractions will either terminate or it will become

    asked on May 6, 2007
  66. Accounting

    During 2013, Moore Corporation paid $14,000 of dividends. Moore's assets, liabilities, and common stock at the end of 2012 and 2013 were: 12/31/2012 Total Assets:$144,200 Total Liabilities:$52,600 Common Stock:$60,000 12/31/2013 Total Assets:$178,500 Total

    asked on April 4, 2017
  67. Physics Need Help

    The pile driver struck the piling with a speed of 20 m/s. At what height did the pile driver hammer have to be lifted for it to fall freely and attain that speed before striking the piling? Show steps please!!!

    asked on September 14, 2014
  68. chemistry

    the frequency factor and activation energy for a chemical reaction ate A=4.8 x 10^-12cm^3 and Ea=11.1kJ/mol at 327 K respectively. Determine the rate constant for this reaction at 327K

    asked on November 11, 2014
  69. Calculus

    If 40 milligrams of strontium-90 radioactively decays to 12 milligrams in 30 years, find its half-life (the number of years it takes until half of it remains). Use the formula A = p ⋅ e−kt, where p is the amount and A the (smaller) final amount.

    asked on March 26, 2014
  70. pre-calc

    cosx= -8/17, 180

    asked on April 21, 2012
  71. Human Resources In Health Care

    How do human resource laws or health care regulations affect performance appraisals? What are the legal implications a manager must consider when conducting performance appraisals?

    asked on April 18, 2012
  72. Business Management

    The Environmental Protection Agency administers environmental standards in the U.S. EPA represents the what, and of what organizations? A.local communities; task environment B.finiancial institutions; internal environment C.government regulators;task

    asked on November 3, 2010
  73. physics

    I did a projectile motion lab, predicting where a ball would land before actually dropping it. I have to answer this question: you accounted for variations in the velocity measurement in your range prediction. Are there other measurements you used which

    asked on February 1, 2009
  74. perimeter

    The screen T.V. of Bradley is 15 m 20 m. It wants to put the new cover on the screen of T.V. which costs $25 per square meter. How much the cost-t-it to cover its screen T.V.?

    asked on February 1, 2016
  75. math

    For every boy taking classes at the music school , there are 3 girls who are taking classes at the school . if there are 128 students taking classes , write and solve a proportion to predict the number of girls taking classes at the school

    asked on October 12, 2015
  76. physics

    A ball is thrown horizontally from the top of a building 32.3 m high. The ball strikes the ground at a point 110 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 . Find the time the ball is in motion. Answer in units of s

    asked on October 14, 2013
  77. statistics

    IQ scores are normally distributed with a mean of 105 and a standard deviation of 18. Assume that many samples of size n are taken form a large population of people and the mean IQ score is computed for each sample. If the sample size is n=64, find the

    asked on September 13, 2012
  78. terminology

    When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for

    asked on May 11, 2009
  79. HCA 230

    ive looked on google and everywhere and i can not find it can some 1 help aNY SITES OR An ything i don't want the answer but a site would be good compose a list of perspectives on health for your assiged role my role is a patient

    asked on April 13, 2009
  80. Business

    Apply critical thinking to the decision making process by discussing workplace examples that highlight each of these three types of thinking...creative thinking, logical thinking, and persuasice thinking. Must be a minimum of 200 words.

    asked on March 10, 2009
  81. Geometry

    I really don't understand this.... You want 12feet to equal 9inches on the blueprint. What scale factor must you use to create an accurate blueprint?

    asked on March 29, 2017
  82. Math

    A court is 94ft long by 50ft wide. It has 3 circles each 12ft diameter. Two of the circles are at the free throw line and the third is at the center of the court. Within the 3rd circle is another circle with a radius of 2ft.The key is rectangular region on

    asked on May 17, 2015
  83. College

    how do you write 1.1x10 to the 5 power in a standard notation

    asked on March 23, 2015
  84. Physics help please

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the

    asked on November 7, 2014
  85. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked on April 15, 2013
  86. pre-calc HELP PLEASE

    solve using identities for all angles (dont use multiple angle method)show work please cuz i am so confused. 2sin2x-3sinx=0

    asked on April 24, 2012
  87. Intermediate Algebra

    To buy both a new car and a new house, Tina sought two loans totalling $78,825. The simple interest rate on the first loan was 0.2%, while the simple interest rate on the second loan was 5.0%. At the end of the first year, Tina paid a combined interest

    asked on July 28, 2011
  88. psy

    How will the use of Ashford’s Online Library aid you in finding credible resources to support your academic writing?

    asked on April 11, 2011
  89. Business Managment

    When would a full explanation of a visual be necessary? A.When similar material is presented to the audience quite frequently B.When the material is new to the audience C.When the information it presents is a minor part of your proof D.When the audience is

    asked on August 10, 2010
  90. Human Resources Management

    The certification process in skill-based pay is analogous to.... a. job analysis b. compensable factors c. regression analysis d. factor degrees and weights

    asked on March 31, 2010
  91. word problem

    Directions: Write a system of equations to solve the following word problem graphically and algebraically (using Gauss and using substitution). AMC Homes, Inc. is planning to build three- and four-bedroom homes in a housing development called Chestnut

    asked on September 3, 2005
  92. Biology Help Please!

    )Describe the importance of chromatin remodeling process to transcription. Select the four correct answers. a) These alterations can be used to activate transcription of a gene by hiding its enhancer sequences. b) These alterations can be used to activate

    asked on April 24, 2016
  93. Algebra

    The number of bass in a lake is given by P(t) = 2800/1 + 6e^−0.05t where t is the number of months that have passed since the lake was stocked with bass. (a) How many bass were in the lake immediately after it was stocked? 400 bass (b) How many bass were

    asked on November 17, 2014
  94. statistics

    A quality supervisor for a factory that makes cell phone cases examines a sample of 46 cases. She finds that 8 cases are the wrong size. Which is the best prediction of the number of cases that will be the wrong size in a shipment of 3,000? A.)410 B.)475

    asked on May 7, 2014
  95. history

    at the constitutional convention in pj hiladelphia, madison drafted the plan presented by virginia govenor randolph, and william patterson of ____ presented a plan that was similiar to the articles of confederation. Thank you in adavance, I was stuck on 3

    asked on November 18, 2013
  96. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked on April 15, 2013
  97. Excel formula help

    Formula to multiply the number in cell 4k times standard deviation of the numbers in cell z2 through z10 I don't understand cell z2 through z10 I have never had excel (4kxz2xz10) Please write this correctly

    asked on January 27, 2013
  98. Subjects and Prepositions.

    What is the compound or simple subject and compound or simple predicate in each sentence? draw t the line between the complete subject and complete predicate in each sentence. 1. People of all ages and abilities love sports. 2. More than 2 million

    asked on October 15, 2012
  99. math

    1.) 15 * 4 2/3 2.) 10 2/3 divided by 4

    asked on September 19, 2011
  100. calculus

    how do you solve the initial value problem by using separation of variables dy/dx=-xy^2 when y(1)=-0.25

    asked on March 20, 2011


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