Liza

Most popular questions and responses by Liza
  1. math

    A picture 1.5 in by 2.5 in is enlarged in the ratio 5:8. Find the dimensions of the enlarged copy

    asked on January 24, 2016
  2. algebra

    List all the numbers from the given set that are, a.natural numbers b.whole numbers c.integers d.rational numbers, e.irrational numbers {-9,-4/5,0,0.25,ã3,9.2,ã100}

    asked on September 1, 2009
  3. Physics

    The coefficient of kinetic friction between a rubber tire and a dry concrete road is 0.700. What is the distance in which a car skid to a stop on such a road if its brakes are locked when it is moving at 60 km/h?

    asked on February 26, 2018
  4. CHEM

    For a crystal with formula BaCl2.xH2O, a student conducted a gravity experiment and found out that 2.44 gram of this crystal can lost mass 0.36 gram when heated to 150 degree. Suppose water is the only reason of weight loss, what is the x value here?

    asked on October 6, 2015
  5. Chemistry Lab

    Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (3-1)? and eqn. (3-2)? (3-1) Fe(s) + Cu^2+ (aq) ---- Fe^2 (aq)+ Cu (s) (3-2) 2Fe(s)+ 3Cu^2+(aq) --- 2Fe^3+ (aq) +3Cu (s)

    asked on September 12, 2015
  6. chemistry

    a student mixed a 50.0mL of water containing 0.50 mols of HCl at 22.5 degC with 50.0 mL of water containing 0.50 mol NaOH at 22.5 degC in a foam cup calorimeter.the temp increases to 26.0 degC. how much heat in kJ was released by the reaction? please show

    asked on January 20, 2010
  7. Geography.../what does this mean?

    " The earth's physical landscape is the result of conflict between forces..." Explain what this means. Thanks. Is it possible that forces move Earth around, sometimes the movement is opposing another landforce, they collide, and one slide under?

    asked on April 3, 2007
  8. math

    What is another way to write –3 • (4 + 7)? A –3 • 4 + 7 b –3 • 4 • 7 c –3 • 4 + 4 • 7 d –3 • 4 + (–3) • 7 *** I picked D because both results in 33

    asked on August 25, 2016
  9. statistics

    The lifetime of a type of electric bulb has expected value µ = 475 hours and standard deviation σ = 60 hours. (a) Use the central limit theorem to determine the expected value and standard deviation of the sample mean of n such lightbulbs where n = 100,

    asked on April 6, 2017
  10. Chemistry

    Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (3-1)? and eqn. (3-2)?

    asked on September 12, 2015
  11. Math/Pre-calculus

    Assume that the number of bacteria follows an exponential growth model: P(t)=P0e^k/t. The count in the bacteria culture was 400 after 10 minutes and 1500 after 35 minutes. (a) What was the initial size of the culture? (b) Find the population after 85

    asked on June 19, 2017
  12. Physics

    What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units?

    asked on January 11, 2010
  13. Math

    Choose an appropriate metric unit for the mass of concrete in a section of the sidewalk Please help math double test

    asked on April 26, 2019
  14. Math

    Fill in missing values for a rectangular prism? Length is 8. Width is missing. Height is 14. Surface area is missing. Volume is 324.8

    asked on February 2, 2017
  15. math

    Brandon is deep-sea diving with Katie, who is to the south of him. A fish emerges from a hole to the east of Katie. The fish swims 6.1 meters to Katie and then swims 7.4 meters to Brandon. The fish then swims back to its hole and disappears. How far did

    asked on August 18, 2017
  16. chemistry

    Calculate the molarity of a solution made by diluting 0.200 L of 1.00M HCl solution to a volume of 1.00 L

    asked on November 12, 2010
  17. University math grade 11 Trig

    A very tall light standard is swaying in an east-west direction in a strong wind. An observer notes that the time difference between the vertical position and the furthest point of sway was 2 seconds. The pole is 40 metres tall. At the furthest point of

    asked on June 20, 2009
  18. Math

    In a state legislature there were 119 more members in the House of Representatives than in senate. If there were m members in senate, write an expression to represent the totial members in the state legislature. PLZ HELP!!!!!

    asked on March 28, 2017
  19. physics

    In prepairing a tea 600g of water at 90 degrees celsius is poured into a 200g China pot.Cpot=840 J/kg degrees celsius at 20 degrees celsius. What is the final temperature of water?

    asked on September 8, 2016
  20. finance

    A company wants to build a new factory for increased capacity. Using the net present value (NPV) method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Building a new factory will

    asked on November 18, 2010
  21. finance

    A company wants to invest in a new advertising program. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • The new program will increase current sales, $10

    asked on November 18, 2010
  22. Physics

    An object is released from rest at height h above the surface of the Earth, where h is much smaller than the radius of the Earth. It takes t seconds to fall to the ground. At what height should this object be released from rest in order to take 2t seconds

    asked on June 23, 2012
  23. math

    the third term of a geometric sequence is t3= -75 and the sixth term is t6= 9375. determine the first term and the common ratio

    asked on January 4, 2011
  24. Probability Statistics

    a manufacturing plant uses 3000 light bulbs whose lifetimes are independently normally distributed with mean 500 hrs, and standard deviation 50 hrs. to minimize the number of bulbs that burn out during production hours, all bulbs are replaced after given

    asked on December 7, 2012
  25. physics

    A rigid rod of mass m3is pivoted at point A, and masses m1 and m2 are hanging from it, as shown in the figure. (a) What is the normal force acting on the pivot point? The ratio of the weights of m1, m2, and m3 is 1:2:3. (Use the following as necessary: m1

    asked on April 10, 2011
  26. Math /Algebra

    I was challenged with this question: Explain why the formula for determining slope using the coordinated of two points does not apply to vertical lines. This was my answer: The formula for determining a slope using two points does not apply to vertical

    asked on November 18, 2009
  27. finance

    A company wants to buy a labor-saving piece of equipment. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Labor content is 12% of sales, which are annually $10

    asked on November 18, 2010
  28. parallel structures

    how can i correct this sentece to parallel structute? When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects.

    asked on April 21, 2014
  29. MATH

    vIRGINIA THREW A fRISBEE FOR A DISTANCE OF 138.56 M TO CAPTURE THE WOMEN'S RECORD. IF THE FRISBEE WAS THROWN HORIZONTALLY WITH A SPEED OF 13.0M/S HOW LON DID THE FRISBEE REMAIN ALOFT?

    asked on November 7, 2013
  30. math /algebra

    This was the : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply because

    asked on November 18, 2009
  31. math

    A swimming pool is 25 meters x 15 meters. A concrete walk 2 meters is built around it. What is the area of a concrete walk?

    asked on January 12, 2012
  32. math

    the "k"th term of a series, Sk=a 1-r^k/1-r, is the sum of the first "k" terms of the underlying sequence. the difference between the "n"th terms of two particular series is greater than 14 for some values of n (is an element of) N. the series with general

    asked on December 29, 2010
  33. accounting

    accounting and Organizational Cultures: A Field Study of the Emergence of a New Organizational Reality"

    asked on April 19, 2011
  34. Chemistry

    What chemical test (axcept a magnet) to use to distinguish between iron and sulphur?

    asked on February 6, 2009
  35. Math

    The sum of the ages of Dorothy and Dona is 41. In five years, Dorothy will be twice as old as Dona. Find their ages 3 years ago.

    asked on February 28, 2015
  36. statistics

    Suppose that A,B and C are mutually exclusively events such that; P(A) =0.3, P(B)=0.1, and P(C)=0.5. Evaluate; P(AuBuC)

    asked on April 7, 2011
  37. English

    Can you help me proofread the following paragraph and find nine misspelled or misused words and write them correctly? Planting a vegetable garden is a popular American hobby. It’s not ready that difficult. A gardening magazine or book can help you get

    asked on November 17, 2010
  38. English

    I need a few characteristic to describe the following: The person quickly switches from loving one person to another.and The person is willing to die for someone even though they have only met for a few days. I thought of a few. But I can't really prove it

    asked on December 3, 2014
  39. mth

    Calculate the maturity value of a simple interest, eight-month loan of $15,000 if the interest rate is 4.5%.

    asked on November 17, 2013
  40. math

    If "today is Monday" is true and "It is May 5th is false, which of the following is false? 1 - Today is Monday and it is not May 5th. 2 - If today is Monday, then it is May 5th. 3 - Today is not Monday only if it is May 5th. 4. Today is not Monday or it is

    asked on January 12, 2013
  41. microeconomics

    How the technical rate of substitution and marginal product are related and what is their difference? i only wrote their definitions The technical rate of substitution measures the rate which the firm has to substitute one input for another, for keeping

    asked on December 21, 2012
  42. math

    This was the question : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply

    asked on November 18, 2009
  43. chemistry

    What chemical test do you use to distinguish between iron and iron sulphide (axcept using a magnet)?

    asked on February 8, 2009
  44. world history

    was copra dried meat of coconut encountered, exchanged, and explored in history?

    asked on February 19, 2016
  45. Business

    Which body part would you give to someone who is perceptive. Like, sees what's wrong with the business and changes it for the better

    asked on October 23, 2014
  46. Science

    why do Lithium (Li), Magnesium (Mg), and Aluminum (Al) react with HCl and Iron (Fe), Zinc (Zn), Lead (pb), and copper (Cu) don't react as much or don't react at all?

    asked on January 11, 2011
  47. accounting

    Instructions Identify the internal control principles and their application to cash disbursements of Marais Company. P7-2B The board of trustees of a local church is concerned about the internal accounting controls pertaining to the offering collections

    asked on February 22, 2009
  48. Chemistry

    What happens to iron sulphide when heated an what happens to iron when heated?

    asked on February 8, 2009
  49. french

    can you tell me which words are feminine or masculine radiateur miroir joueur du cd calendrier réveil boîte des bijoux lampe téléphone mobile vêtements bouteille de l'eau many thanks Thank you for using the Jiskha Homework Help Forum. First of all, if

    asked on February 8, 2007
  50. math

    Three students are sitting on a school bus. Leslie is 5.6 feet directly behind Sandra and 6.6 feet directly left of Dave. Leslie makes a paper airplane and throws it to Sandra. Sandra throws the airplane to Dave, who throws it back to Leslie. How far has

    asked on August 19, 2017
  51. Health/business

    What body part would represent someone who is stubborn with their ideal but is flexible with small details? (Not brain or heart)

    asked on October 23, 2014
  52. math

    For a rock, paper, scissors experiment, there are 30 tries with a partner. I won 16/30 times. What's the probability of winning between 10 and 16 times inclusively? How do you solve this?

    asked on April 1, 2013
  53. social studies

    whats the contitution

    asked on May 9, 2012
  54. french

    how would i say "look pretty" in vous form?

    asked on January 15, 2011
  55. Math

    What does relative to math?

    asked on June 20, 2009
  56. health

    Are the concepts of autonomy, justice and beneficence, or similar ones, useful for analysis of organizational ethics?

    asked on June 19, 2009
  57. PE

    While I'm running the mile I feel a real pain in my legs and always stop after running a couple of laps. How do I jog and not stop even if there is pain

    asked on November 15, 2008
  58. 9th grade

    How do you solve [x-1]=[x+3]

    asked on November 15, 2008
  59. Books

    How do I get a book published?

    asked on October 30, 2008
  60. science

    I have to find out some facts about the dwarf planet vulcan. I have tried wikipedia but it was no help. Can any one please give me some facts or websites that can. This may be what you need.

    asked on February 9, 2007
  61. MATH 117A

    Select the approximate values of x that are solutions to f(x)=0,where f(x)=-9x^2+7x+2 A.{-0.22,1.00} B.{-9,7} C.{-0.78,-0.22} D.{-4.50,3,50}

    asked on June 10, 2015
  62. Math117A

    An object 4.2 feet tall casts a shadow that is 12.6 feet long. How long in feet would the shadow be for an object which is 20.4 feet tall? a.12 feet B.6.8 feet C.28.8 feet d.61.2 feet

    asked on June 10, 2015
  63. social

    what is hwang ho civilization ?

    asked on November 1, 2014
  64. Health

    Which body part would you give to someone who is perceptive. Like, sees what's wrong with the business and changes it for the better. And why?

    asked on October 23, 2014
  65. Business

    What body part would represent someone who is stubborn with their ideal but is flexible with small details? (Not the brain or heart)

    asked on October 23, 2014
  66. Business

    If you had to use a body part to represent that someone is independent. Which body part would you use and why?

    asked on October 23, 2014
  67. math

    If today is Thursday, what day of the week was it 1000 days ago

    asked on November 17, 2013
  68. physics

    sand has more friction or less friction

    asked on August 21, 2012
  69. 8th grade

    14cents/ounce=$____lb

    asked on September 23, 2010
  70. English 1

    How do you write a sonnet and a couplet and a quatrain. How do you know if a syllable is stressed or unsressed by just looking at the word

    asked on November 15, 2008
  1. probability

    1: 1/2400 0 2: 2/3 3: (40+z)/2400 no answer 0 4: no answer 5/7 result

    posted on July 4, 2019
  2. Algebra

    i ate a potato earlier today

    posted on May 2, 2019
  3. Algebra

    WHAT ARE YOU TALKING ABOUT if' you came this far down then comment i ate a potato earlier today if you commented that then good job

    posted on May 2, 2019
  4. math

    no answer? ok then... ): just thought i'd ask

    posted on May 2, 2019
  5. math

    umm in in connexus is this even a question or is this some made up thing huh

    posted on May 2, 2019
  6. Math

    Does anyone actually have answers here? or you just wanna chat

    posted on May 1, 2019
  7. Social Studies

    i didnt take answer from this but when i sent it in i got one wrong happy was right i shouldve listened but thanks for the answer

    posted on April 29, 2019
  8. Social Studies

    seriously just someone put an answer thats what this site is for and if you dont aproove PsyDAG then go away

    posted on April 28, 2019
  9. Art

    thanks always right and everyone who COPIED always right anyways its 1.c 2.b 3.d

    posted on April 28, 2019
  10. Science

    I'm done any 1 got a gun I can barrow will quick XD

    posted on September 12, 2018
  11. math

    idk i was asking you

    posted on February 19, 2018
  12. physics

    4.0 m/s2

    posted on November 14, 2017
  13. Language Art

    1.B 2.C 3.C Just took it

    posted on October 11, 2017
  14. L.A

    Thank you guys 1.C 2.B 3.D 100%

    posted on October 11, 2017
  15. Math

    im going to kill math

    posted on September 7, 2017
  16. math

    my answer is 21

    posted on August 19, 2017
  17. math

    20.1

    posted on August 19, 2017
  18. math

    my answer is 18.1 feet

    posted on August 19, 2017
  19. math

    A mouse has made holes in opposite corners of a rectangular kitchen. Starting from its hole in the northwest corner, the mouse scurries 9 feet along the length of the kitchen to reach a piece of cheese in the southwest corner. Then the mouse scurries 12

    posted on August 18, 2017
  20. math

    b-6.1 c-7.4 =3.6 then * 2 equal b 7.2

    posted on August 18, 2017
  21. mathematics

    sin 130.tan 60/cos 540.tan 230.sin 400

    posted on April 29, 2017
  22. psychology

    D.

    posted on April 6, 2017
  23. math

    What's the difference then that's where I'm stuck

    posted on February 12, 2017
  24. statistics

    42352

    posted on October 22, 2016
  25. life orientation

    The same question I am looking for...guys let's go to google and see if we are going to find right answer.

    posted on May 30, 2016
  26. math

    7m

    posted on April 12, 2016
  27. Business

    Body parts other than brain eyes and heart

    posted on October 23, 2014
  28. Accounting,economics,business and mathr literacy

    south africa/free state

    posted on January 25, 2014
  29. 9th grade math

    i

    posted on June 24, 2013
  30. MATH PLEASE HELP!!!!!

    this problem got me so confused! :( but thanks for helping me! :)

    posted on September 13, 2012