Popular questions and responses by tiana
  1. physics

    two metra trains are on separate but parallel tracks. One has a speed of 90 km/hr, the other 80 km/hr. Initially, the two trains are 2.71 km apart. How long will it take the two trains to pass each other?

    asked on September 25, 2012
  2. Statistics

    1. A study was conducted on the life of Duracell batteries and on the life of Energizer batteries. The study found that a sample of 10 Duracell batteries had a mean life in hours of 26.2 with a standard deviation of 4.1 and a range of 24. The results for a

    asked on September 15, 2020
  3. trig

    in a circle of radius 26, find the length of the arc spanned by a central angle of pi/4 radians. round your answer to 2 decimal places. use 3.1416 as an approx for pi.

    asked on October 5, 2011
  4. english 3

    Which pronoun correctly completes the sentence? The senator wrote a letter to Carol and _____ expressing his thanks a. they b. me c.we d.I

    asked on November 18, 2015
  5. math

    at this rate, how many trucks would pass luann if 90 vehicles passed her

    asked on October 8, 2014
  6. Statistics

    Bob made 116 on his accounting midterm and 82 on his biology midterm. For the accounting midterm, the mean score was 102 with standard deviation 14. For the biology midterm, the mean score was 70 with standard deviation of 5. Which score was the higher

    asked on September 15, 2020
  7. American history 1

    What restriction did Spain place on American trade? The Spanish would allow Americans to buy only Spanish goods. ****The Spanish closed the West Indies to American trade. The Spanish prohibited Americans from trading with Britain. The Spanish closed New

    asked on February 13, 2016
  8. english 3

    The only students invited to attend the meeting were _____. Which pronoun correctly completes the sentence? a. we b.us c.them d. ourselves

    asked on November 18, 2015
  9. english

    Which sentence uses who correctly? a. Who did you call? b.Who is the person that I should call? c.To who are you speaking? d. From who did you receive the call? i think the answer is A but i just want someone to check and see

    asked on November 18, 2015
  10. Math

    Write an equation representing the relationship between the distance from school and time walking

    asked on November 20, 2017
  11. physics

    An unknown material has a normal melting/freezing point of -20.4 °C, and the liquid phase has a specific heat capacity of 179 J/(kg C°). One-tenth of a kilogram of the solid at -20.4 °C is put into a 0.130-kg aluminum calorimeter cup that contains 0.198

    asked on December 4, 2013
  12. Math

    6 is one-third of a number, s

    asked on May 13, 2020
  13. Science

    How is the flow rate of gas controlled as it leaves a storage container?

    asked on April 13, 2020
  14. ela

    From the storyteller, what does paragraph 9 Reveal about the story a)they agree with the bachelors opinion of the story b)they have little respect for their aunt c)they don't understand what their aunt has said d)they believe that the story is probably

    asked on March 16, 2016
  15. American history 1

    which word refers to a promise to pay back money invested in the American Revolutionary War effort? precedent speculator ***inauguration bond ***-answer

    asked on February 13, 2016
  16. Math

    Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial

    asked on April 27, 2015
  17. Calculus

    he rate of growth of the profit from an invention is approximated by P'(x)=xe^-x^2, where x represents time measured in years. The total profit in year 1 that the invention is in operation is $15,000. Find the total profit function. I know the answer is

    asked on May 2, 2014
  18. math

    what is a translation over a vertical line?

    asked on April 9, 2012
  19. math

    what is 320/380 (or in fraction term) in lowest terms? and what is 54 over 126 in lowest terms?

    asked on March 28, 2011
  20. math

    Which of the below is a solution to the quadratic equation? 4a^2 = -16 Answers: a= -4 a=4i a= -2 a=2i

    asked on May 5, 2020
  21. Math

    4 4/5 x 6 1/4 x 7/20

    asked on April 15, 2020
  22. Maths

    If the scale on a map is 1cm = 1km, how do I convert 3.4cm to km?

    asked on February 22, 2018
  23. Math

    Dirk is 90% free throw shooter.So if he shoots the ball 30 times,how many times will he make the basket?

    asked on September 20, 2016
  24. Math

    Traveled 68 miles first day second day traveled 10 fewer miles third day traveled 85 miles. How many miles did they travel

    asked on December 3, 2015
  25. Computer Applications

    John is creating a presentation. Before he starts, he takes into consideration several aspects that can help to determine how the presentation should be set up. Three of the following are important considerations at this initial stage. Which of the

    asked on December 2, 2014
  26. math

    Evaluate cot -220o Round your answer to the nearest hundredth. A. -1.31 B. 1.56 C. -1.19 D. -0.84

    asked on March 19, 2014
  27. Physics

    How can you find the velocity of a bullet fired from a nerf gun the second it leaves the gun, if all you have is the angle it was shot at, and how far it traveled? (All in degrees) 0 degrees=2.54m 10=6.24m 30=6.54m 45=6.58m 60=1.6m 80=.94m

    asked on September 26, 2013
  28. trig

    Find the general solution for x if cos2x + sin3x = sinx

    asked on March 18, 2012
  29. Chemistry

    What must be the molarity of an acetic acid solution if it has the same percent ionization as 0.150M HC3H5O2 propionic acid,Ka=1.3*10^-5 )?

    asked on February 16, 2012
  30. math


    asked on January 25, 2012
  31. Physics

    President Obama has set up a slide for his young children so they( and he) can slide into the pool behind the White House. The White House staff puts the bottom of the slide ( Which is flat for 2m) at the rim of the window sill which is 10m above the

    asked on January 22, 2012
  32. Physics

    In 35s, Samsonite lifts his 8kg case from the floor to .8m above the ground (in his arms), carries it 24m across the room ( at the same height), and puts it on a conveyor belt 1.8m above the floor. At this point, the machine raises the bag 13 more meters

    asked on January 22, 2012
  33. math

    Five years ago, you bought a house for $171,000. You had a down payment of $35,000, which meant you took out a loan for $136,000. Your interest rate was $5.6% fixed. You would like to pay more on your loan. You check your bank statement and find the

    asked on November 11, 2011
  34. Chemistry

    Will CuCI2+Na2SO4->CuSO4=NaCI2 precipitate and how can you determine this?

    asked on May 12, 2011
  35. math

    solve using the elimination method.show your work. if the system has no solution or infintite number of solutions, state this 4x-6y=30, 3x-5y=24

    asked on February 16, 2011
  36. French

    Identify each clothing article as un, une or des: -casquette -echarpe -chemise -cravate ceinture montre anneau cape chaussette soulier pantalons sac a main gant foulard boucles d'oreilles lunettes chapeau

    asked on January 18, 2011
  37. english

    Read the following sentence. Decide if the BOLD adverb modifies a verb, adjective, or adverb. He did a VERY good job. 1. verb 2. adjective 3. adverb

    asked on January 10, 2011
  38. math

    what inequality is true if x=3.04/1.48, y=1.99+0.33, and z=(1.3) to the 3rd power

    asked on January 6, 2011
  39. math

    what does this mean |2|???????? (those arnt one outside the twos there lines;])

    asked on January 6, 2011
  40. Math

    [60]___[-60] < > = Please help me!!

    asked on January 5, 2011
  41. calculus

    i understand optimization but im stuck on this problem.. mrs.day is building a new deck. she has 580 square feet to enclose. if one side is bounded by a wall, find the minimum cost to build the deck if one pair of opposite sides cost $12 per foot and

    asked on January 2, 2011
  42. precalculus

    1. Express (3x)^(1/5)(3x^2)^(1/3) using radicals 2. Simplify (8x^6 times 32y^5)^(1/2) 3. Approximate the real zeros of f(x)= 2x^4 + 3x^2 - 20.

    asked on December 12, 2010
  43. algebra

    Althea is 5 years older than Leah, and Leah is 4 years older than Jessica. The sum of thier ages is 34. How old is Althea?

    asked on October 14, 2010
  44. college physicalscience

    the air speed of a plain is 223km/h and the pilot keeps the plane pointed north. A wind is blowing73.6km/h from the west. Determine the speed (in km/h) of the plane relative to the ground

    asked on September 19, 2010
  45. 5th Grade Math

    Find the missing numbers and landmarks for the set of numbers: 18,20,20,24,27,27,__,30,33,34,36,36,__ A range:22 B mode:27 C Minimum ____ D Maximum ____

    asked on August 31, 2010
  46. Oil Spill

    what caused the oil spill in texas?

    asked on May 30, 2010
  47. college

    Write a 350- to 700-word response describing three case law decisions from the chapter you believe have the most substantial impact on policing today.

    asked on February 13, 2010
  48. 11th grade

    what were knights social status and daily lives like?? its kind of confusing how this site puts it to me please help me understand..

    asked on January 6, 2009
  49. 11th grade

    what were the most significant tecchnological innovations of the medieval period? need help this subject kills me!!!!!!

    asked on January 6, 2009
  50. Spanish

    When you conjugate the word ir--to go in spanish, the vosotros conjugated word would be vais. But is the a accented in vais or not?My teacher has written it on the board both ways. I just need a clarification. Thanks!

    asked on April 21, 2008
  51. Biology

    What is the different between codominance, multiple allele, and polygenic patterns? Also, what about dihybrid cross patterns?

    asked on April 9, 2008
  52. language arts

    The moonless,brisk night was perfect for holloween . cany you tell me the simple and complete subject?

    asked on September 12, 2007
  1. math

    The sum of a number k and 5 is 11

    posted on May 13, 2020
  2. 5th grade

    What is the answer I'm in 5th grade hep me!!!!!!!!!!!!!!!!!!!!!!!!

    posted on September 30, 2019
  3. math

    Why is it 55/100*3/4x

    posted on August 25, 2019
  4. math

    they are both correct but that ms sue isn't the teacher ms sue becuase the teacher doesn't give answers

    posted on January 25, 2019
  5. Language Arts

    if you are a connection student the answers are d b c a

    posted on December 31, 2018
  6. math geometry

    Did anyone have the answer to this? I really need it

    posted on October 23, 2018
  7. Science

    You are making cookies that call for 3 tablespoons of molasses, but you are having trouble measuring out the thick syrupy liquid. What could you do to make it to pour and measure this fluid?

    posted on February 1, 2018
  8. Math


    posted on November 9, 2017
  9. math


    posted on November 8, 2017
  10. physics


    posted on May 18, 2016
  11. math


    posted on April 16, 2016
  12. Art

    KillJoy your correct THX and Do you Like MCR?

    posted on March 17, 2016
  13. Global studies

    ALL OF U GUYS ARE WRONG!!!! I got a 1/3 the real answers are B,D,B Plz Check your answers on google

    posted on March 11, 2016
  14. Global Studies (Please help)

    You guys are wrong On Number 3 (Connections Academy)It is A not D. I got a 2/3. And please Check Ur answers on here by google or something this site is not very reliable but it has helped me On A Social Studies test and I got 100%. But Not all Answers are

    posted on March 11, 2016
  15. American history 1

    they would get a bond

    posted on February 13, 2016
  16. American history 1

    ok i looked up the words now i think its speculator

    posted on February 13, 2016
  17. American history 1

    ok thanks

    posted on February 13, 2016
  18. American history 1

    it doesnt say what year but most likely 1787

    posted on February 13, 2016
  19. english

    i gave my answers i was just trying to make sure i was understanding it and have someone check over it. and yes it is an online class

    posted on November 18, 2015
  20. english

    its not my teacher told me to get help and do it at home

    posted on November 18, 2015
  21. english

    really it to late i already submitted my test i got a fifty

    posted on November 18, 2015
  22. english

    All I ask is that you be quiet while I am studying. Identify the mood of the underlined verb in the sentence. a.indicative b.imperative c.subjunctive sorry if i have to many questions im just trying to make sure i understand it all i choose c subjunctive

    posted on November 18, 2015
  23. english

    ok i have another one: The community demands that new construction does as little harm to the environment as possible. Which revision changes a verb in the sentence to the subjunctive mood? a.Replace demands with requires. b.Replace does with do. c.Replace

    posted on November 18, 2015
  24. english 3


    posted on November 18, 2015
  25. english 3

    we, but we doesn't seem right to me

    posted on November 18, 2015
  26. english 3


    posted on November 18, 2015
  27. english 3

    i guess, the answer would be me

    posted on November 18, 2015
  28. geomtry

    The angle of depression from the top of the tree to the tip of the shadow is 25°. Find the height of the tree to the nearest tenth.

    posted on June 23, 2015
  29. please help me in math

    The answer I swear is 0.42.

    posted on June 4, 2015
  30. math


    posted on February 17, 2012
  31. Physics

    how high above pool level

    posted on January 22, 2012
  32. Physics

    Power= V^2/R 40=120^2/R R=360 R=pL/A RA/p=L (360)(pir^2)/(5.0x10^-7)=L L= 2.77 (5.0x10^7) is the reisisttivity of tugsten at 1500 degrees

    posted on November 9, 2011
  33. Civics

    I Have A Dream

    posted on November 8, 2011
  34. word unscramble

    Hi you

    posted on November 14, 2008
  35. Math


    posted on April 9, 2008