Popular questions and responses by Kimberly
  1. 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
  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. 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
  4. 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
  5. Pre-Calc

    A point on the terminal side of an angel theta is given. Find the exact value of the indicated trigometric function (-1/5,1/2 ) find cos theta

    asked on October 20, 2014
  6. 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
  7. Biology Help Please!

    1) Which tube will be most 'yellow' at the end of the experiment? ( For Enzyme Kinetics Experiment) a) Substrate Concentration: 0.006M (my answer) Inhibitor: absent b) Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate

    asked on June 19, 2016
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. pre-calc

    cosx= -8/17, 180

    asked on April 21, 2012
  19. math

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

    asked on April 18, 2010
  20. International Economics

    When is international trade an opportunity for workers?

    asked on July 18, 2008
  21. 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
  22. 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
  23. 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
  24. 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
  25. Excel help

    How would I write a formula to multiply the number in cell k4 times the standard deviation of the numbers in cell z2 through z10

    asked on January 27, 2013
  26. Excel help please

    How would I write a formula to multiply the number in cell z675 times the number in cell a1

    asked on January 27, 2013
  27. 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
  28. 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
  29. Psychology

    "How are a cat and a dog alike?" An answer to this question requires: a.crystallized intelligence b.intrapersonal intelligence c.fluid intelligence d.Eastern intelligence

    asked on December 30, 2010
  30. science

    an adult male's heart pumps about 2.8 million liters of blood a year. It his heart beats 70 times a minute, how much blood does his heart pump with each heart?

    asked on April 7, 2008
  31. 7th grade math

    A man has a basket of eggs. He wants to cross a toll bridge but has no money. The first toll collector says he will let the man pass if he gives him half of his eggs and half an egg. When he gets to the next toll collector he still has no money. Again the

    asked on October 15, 2006
  32. 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
  33. Chemistry Help Please!

    1) You have a protein at 20 ug/ml. Its MW =10,000. What is the concentration in molarity? Show work please! 2) You are asked to make 30 mL of a solution at 0.03M using the 0.10M stock solution. How many mililliliters of water do you use to make this

    asked on July 3, 2016
  34. math

    the standard form of the equation of a parabola is y=x^2-6x+14.what is the vertex form of the equation?

    asked on April 23, 2016
  35. Grammar

    On many mornings, the sky is adorned with peach-and-melon-colored ribbons as a blazing SOLAR sun begins to peek over the horizon. 1) Which choice would be the most consistent with the figurative description provided elsewhere in the sentence? A. No change

    asked on July 6, 2015
  36. chemistry

    How many joules is required to change the temp of 225 g of lead from 5.0*C to 25*C. specific heat of lead is 0.139J/g*C. I came up with 5805 and it just doesn't look right.

    asked on April 29, 2015
  37. 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
  38. 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
  39. 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
  40. Chem Help Please!

    Explain why the stability of alkyl carbocations is: tertiary > secondary > primary > methyl Thanks!

    asked on October 21, 2014
  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. 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
  43. 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
  44. math

    Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x)=7x-5x^2 at (-2,-34) m = ?? y = ?? .

    asked on March 4, 2013
  45. Pre-Calculus

    Evaluate the expression under the given conditions.? show work please! sin(A-B); tan A=12/5, A in quadrant 3, sinB=-3sqrt(10)/10, B in quadrant 4.

    asked on April 21, 2012
  46. Chemistry Help Please!!!

    For each of the reactions below give a balanced equation. 1)Methane (CH4) with chlorine to give chloroform (CHCL3)and hydrogen cloride. 2) Sodium Hydroxide with phosphoric acid. 3)sodium carbonate with sulfuric acid. 4) sodium sulfide with hydrochloric

    asked on March 26, 2012
  47. 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
  48. Math

    32 lb 12 oz = ____ lb plz put explanation

    asked on April 21, 2020
  49. chemisty

    If our actual yield from this reaction was 12 grams of sodium chloride (NaCl), what would our percent yield for this reaction be?

    asked on April 17, 2020
  50. history

    One result of the expanding railroad system was that A. Native Americans were able to protect the buffalo on the plains B. the mining and meat packing industries developed C. Chinese immigrants could leave New England and move west D. the Panama Canal

    asked on February 25, 2020
  51. math

    I am having trouble with converting and finding unit rates relating to meters and kilometers and doing double number line can someone help me through these concepts?

    asked on October 24, 2019
  52. 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
  53. 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
  54. Math

    If a owner gets a shipment of1532 cd,s and they came in 37boxes and the same number of cd’s were in the boxes how many would be in the remaining box

    asked on September 4, 2018
  55. 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
  56. sociology

    In your own words, explain “impression management” and how this impacts our interactions with others.

    asked on May 25, 2018
  57. 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
  58. 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
  59. Computer program and design

    Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation. Design

    asked on April 15, 2017
  60. 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
  61. 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
  62. 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
  63. science

    how many moles of h2 can be prepared from 3moles of Fe ?

    asked on November 22, 2016
  64. Biology Help Please!

    1) Which tube will be most 'yellow' at the end of the experiment? a)Substrate Concentration: 0.006M Inhibitor: absent b)Substrate Concentration: 0.006M Inhibitor: un-competitive inhibitor present c) Substrate Concentration: 0.0005M Inhibitor:

    asked on June 18, 2016
  65. 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
  66. Genetics Help!!!!

    1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53

    asked on April 9, 2016
  67. Math

    A piece of cable 85 cm long weighs 52 grams. What will a 10cm length of th same weigh?

    asked on March 3, 2016
  68. 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
  69. 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
  70. algebra

    If the temperature was 73 degrees outside at 5:00 p.m., but it fell 19 degrees by 10:00 p.m., what is the temperature at 10:00 p.m.? Write equation and solve.

    asked on August 29, 2015
  71. math

    whats 3-7+(8+9)=

    asked on August 21, 2015
  72. 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
  73. Lemoyne Owen College

    Math- If the gas is initially at room temperature (20celsius)and is heated in an isobaric (constant pressure) processing then what will be the temperature of gas in degree Celsius when it has expanded to a volume of 0.700 m to the third power

    asked on July 15, 2015
  74. Math

    Which statements is false? A. A decimal fraction has a multiple of 10 as a denominator. B. Every rational number can be associated with a point in the real number line. C. A terminating decimal cannot be expressed as a repeating decimal. D. The set of

    asked on July 8, 2015
  75. Science

    Scientists who study abnormal animal behavior would probably know much about A. Astronomy B. biology C. Geography D. History

    asked on July 8, 2015
  76. English

    What does "articulated with characteristic eloquence" mean? Thanks.

    asked on July 7, 2015
  77. 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
  78. chemistry

    I posted my specific heat wrong. Now, how many joules is required to change temp of 225 g of lead from 5.0*C. specific heat of lead is 0.129J/g*C. I came up with 5805. It just doesnt look correct. Please help

    asked on April 29, 2015
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. Sciene

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

    asked on May 10, 2014
  88. Math

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

    asked on April 12, 2014
  89. spanish

    Usted debe corregir las pruebas. Usted tiene que darme más tiempo. Usted debe ir con nosotros. Usted no debe mascar chicle. Usted no tiene porqué hacerlo, que lo hagan ellos.

    asked on April 7, 2014
  90. 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
  91. Nutrition-Help Please

    What does LBM (muscle mass) have to do with BMR? Identify the four primary factors that most directly affect basal metabolism by affecting LBM.

    asked on June 21, 2013
  92. Math Please Help!!

    Find the slope and the equation of the tangent line to the graph of the function f at the specified point. f(x)=-10/3x^2+6x+6; (-1, -10/3) slope ?? tangent line y = ?

    asked on March 1, 2013
  93. math

    Find the derivative of the function f by using the rules of differentiation. f(x)=7x^4/3-2/3x^3/2+2x^2-5x+1 f '(x) = ??

    asked on March 1, 2013
  94. math

    Find the slope and the equation of the tangent line to the graph of the function f at the specified point. f(x)=-10/3x^2+6x+6; (-1, -10/3) slope ?? tangent line y = ?

    asked on March 1, 2013
  95. history

    most republicans in the late 1800 were protestants who their party as the defender of traditional American values true or false?

    asked on November 12, 2012

    What is the energy of a photon with a frequency of 3.5 X 10ˆ15 sˆ-1 in J/photon? In J/mol?

    asked on September 7, 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
  98. Business math

    As a professional photographer, Marion has seen the trend away from film cameras as customers purchase low-end digital cameras and printers in order to avoid processing fees associated with film-based cameras. She would like to offer a new service to

    asked on April 16, 2012
  99. chemistry

    what volume of hydrogen sulfide is produced by reaction of 0.5 mole of sodium sulfide with hydrochloric acid at a temp. of 20C and a pressure of 722 mm.

    asked on April 12, 2012
  100. 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


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