leena

Most popular questions and responses by leena
  1. geography

    Compare and contrast folded mountains to volcanic mountains. How they are alike? How they are different? i got some of it.. Similarities: Both were probably formed from convergent plate boundaries. Difference: Volcanic Mountains - are mountains that form

    asked on July 25, 2013
  2. physics

    An elastic cord is 65 cm long when a weight of 75 N hangs from it but is 85 cm long when a weight of 189 N hangs from it. What is the “spring” constant k of this cord

    asked on March 31, 2008
  3. Chemistry

    What would be the temperature change if 3.0g of water absorbed 15J of heat?

    asked on January 11, 2014
  4. poem

    write a acrostic poem on continents. C O N T I N E N T S

    asked on July 17, 2013
  5. math

    The Gilbert's re designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3/4 of its length. What is the length of the patio? I really tried it but my teacher was not getting really in dept with this problem.

    asked on March 12, 2015
  6. math

    lily estimated a quotient of 120 and found an actual of quotient of 83 what should she do next ? explain please?

    asked on December 12, 2014
  7. english

    Fill in the spaces with the correct form of the verb in present continues tense. Hey! Do you want to hear about what my family (do) ________ ________(1) right now? Well, I hope you do, because I am going to tell you! Right now, my dad (work) ________

    asked on July 16, 2013
  8. math

    a blue rectangular tile and a red rectangular tile are similar. the blue tile has a length of 10 inches and a perimeter of 30 inches. the red tile has a length of 6 inches. what is the perimeter of the red tile?

    asked on April 10, 2013
  9. Physics

    A particle starts from the origin at t = 0 with an initial velocity of 8.0 m/s along the positive x axis. If the acceleration is (-3.7 + 2.5 ) m/s2, determine the velocity and position of the particle at the moment it reaches its maximum x coordinate.

    asked on August 29, 2012
  10. physiscs

    A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose cross-sectional area is A2 = 0.0779 m2. The gas has a density of ρ = 1.30 kg/m3. The

    asked on December 9, 2015
  11. Geometry..... reposted ques by me

    in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangle ADE is removed from triangle ABC.What is the area of shaded region that remains?

    asked on September 6, 2013
  12. maths

    find the number of bricks, each measuring 25 cm x 16 cm x 10 cm required to construct a wall 24 m long, 6 m high and 0.4 m thick. the mortar occupies (1/10)th of the volume of the wall

    asked on February 25, 2013
  13. Chemistry

    A sample of NH3 gas occupies 75.0 liters at STP. How many molecules is this?

    asked on January 3, 2014
  14. Math

    To travel 175 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 66 miles riding a bicycle. Sue travels 19 miles per hour faster than Doreen. Find the times and rates of both girls.

    asked on October 4, 2007
  15. Chemistry

    Zinc iodide is dissolved in 2.5 L of water to make a solution. 1.00 L of this solution is then diluted to make 12.0 L of a 0.50 M solution. What mass of zinc was added to make the original solution?

    asked on January 23, 2015
  16. trig

    if cot of theta is less than zero, and csc of theta is less than zero what quadrant is theta in?

    asked on March 10, 2011
  17. maths

    what is the cost of spraying insecticide on a field measuring 2000m by 3200m if the cost is $22 per hectare.

    asked on September 22, 2013
  18. english

    need to write a short essay on 'describe a trip you took with your family or friends. It could be to another state, another town, or to a store. You should talk about what happened, why, and when.'

    asked on July 15, 2013
  19. english

    i need to write an essay on 'the day your neighbour asked you to look after her young baby while she went to market.' please give me some ideas.....

    asked on July 15, 2013
  20. physics

    Find angle of refraction through a 60° triangular prism of edge length 4.5 to 5 cm, if angle of incidence are 30°,35°,40°,45°,50°,55°& 60°

    asked on October 26, 2012
  21. Chem

    How do you find the pH for 0.010M of HNO3?

    asked on April 18, 2011
  22. physics

    a fisherman's scale stretches 3.6 cm when a 2.7 kg fish hangs from it. what will be the amplitude and frequency of vibration if the fish is pulled down 2.5 cm more and released so that it vibrates up and down? i think the frequency is 2.63 Hz, but i don't

    asked on April 2, 2008
  23. maths

    find the speed of a point on the rim of a 24-cm diameter fly -wheel which is tuning at 2800 revolutions per minute. give your answer in meters per second.

    asked on September 22, 2013
  24. english............... can't decide

    Just got a debate to write on the following topic: Modern Means of Communication have Brought People Closer Are there more valid points if i write against the topic? Help................

    asked on October 14, 2013
  25. Organic chemistry

    please help me with these what are the functional group(s) in Lexiva (Fosamprenavir Calcium)? i only know that it has an amine group but i'm not sure if there is another group!!! and how can i relate Lexiva to chemistry?(ideas please)

    asked on December 4, 2012
  26. trig

    if csc of theta is greater than zero and sec of theta is less than zero what quadrant is theta in?

    asked on March 10, 2011
  27. math

    find the area of the region described: shared by the cardiods r = 2(1+cos theta) and r = 2(1-cos theta)

    asked on March 3, 2008
  28. english

    hey reiny can u please help me? I need help on pharaphrasing. Can you pharaphrase this for me? E/i hexes always produce 15 units. This makes the E/I hex different in a second way because the number of units of all other busness hexes on the number living

    asked on September 29, 2016
  29. Social studies

    Word for illegal or immoral behavior by officials Word for experts working together to problem solve Word for economic pressure to change a nation's actions. Thanks for your help❤️

    asked on May 5, 2016
  30. science

    what is a biome? ecological niche?

    asked on November 14, 2015
  31. urdu

    can anyone who can study urdu give me the character sketch of 2 main characters of "aali par kia guzri" a book written by a urdu poet called Aziz Asri.

    asked on August 28, 2013
  32. history

    Akber became emperor at only thirteen years of age. Research his reign. What were his greatest achievements as emperor?

    asked on July 10, 2013
  33. Math

    For a certain set of five numbers, the mean of all but the largest is 80, and the mean of all but the smallest number is 90. What is the range of the set of five numbers?

    asked on November 6, 2012
  34. friendship

    my friend and i need to teach our other friend a lesson about the real world but everytime we try and explain these things to her, she doesnt understand and feels a little insulted. any help on how to teach her a lesson without being mean??

    asked on June 14, 2012
  35. trig

    if than of theta is greater than zero and cos of theta is greater than zero what quadrant is theta in?

    asked on March 10, 2011
  36. algebra , math

    two third of a number increased by 7 is 29 . Find the number. Answer- 2/3x + 7 = 29 2/3x = 29 - 7 2/3x = 22 X = 22/2 multiplied by 3 X = 33 Is the answer right

    asked on June 26, 2016
  37. Math🤓

    Stanley ordered a pizza that was cut into eight pieces. If he ate 3/7 of the pizza, how much was left? So far the only thing I can think of is multiplying 3/7 by 8

    asked on October 24, 2015
  38. Math🤓

    A farmer wants to make a fence that is 32 ft. By 40 ft. If he wants to put up a fence post every 4 feet how many posts will he need? I got 18 because 40 divided by 4 is 10 and 32 divided by 4 is 8 then I added 10 and 8 and got the answer of 18

    asked on October 14, 2015
  39. Math

    Which Is More Correct? A Watch That Doesn't Work At All Or A Watch That Loses A Minute Each Hour? BTW It's a Trick Question😉 All I have is the one that loses a minute each hour because it's logical reasoning but I just wanted to double check

    asked on September 14, 2015
  40. physics

    need five differences between compounds and molecules...... got only one that is ;A molecule is formed when two or more atoms join together chemically. A compound is a molecule that contains at least two different elements.

    asked on February 3, 2014
  41. world history

    what was African society and economy like prior to European imperialism?

    asked on January 28, 2014
  42. geometry

    in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangleADE is removed from triangleABC.What is the area of shaded region that remains?

    asked on September 5, 2013
  43. history

    write a short note of 170-180 words on the travelling experiences of 'James Cook'

    asked on July 10, 2013
  44. Chem

    Hey in class we learned that pi molecular orbitals come from overlapping p atomic orbitals...this occurs in a conjugated system or aromatic rings ( contains sp2 carbons with one remaining p orbital which can can overlap to form double bonds)...my question

    asked on February 23, 2013
  45. 4th grade

    8+4

    asked on February 28, 2012
  46. trig

    if sin of theta is less than zero and cos of theta is greater than zero what quadrant is theta in?

    asked on March 10, 2011
  47. world history

    Why did Great Britain lead industrialization during the 18th century?

    asked on January 5, 2014
  48. maths..... geometry word problems

    the length of a rectangle is 8 cm more than its width. if its perimeter is 56 cm, find its area.

    asked on September 8, 2013
  49. english........bridges

    is 'Go Between Bridge' an important landmark for the country? Explain why or why not.

    asked on September 4, 2013
  50. geography

    Sometimes high winds can cause disasters. Wind can flame a fire or destroy a rooftop. Wind also does some very good things. Explain one good thing that happens as a result of wind.

    asked on July 23, 2013
  51. history

    i need to write a short note on mughal empress princess jahanara

    asked on July 11, 2013
  52. science

    explain the comment ''your brain makes you, you''

    asked on July 10, 2013
  53. science

    why would a spinal cord injury leave someone paralyzed?

    asked on June 12, 2013
  54. math

    (76-12)-(48divided by 8)2

    asked on November 27, 2012
  55. Maths

    Write 7 july 2011 in 5 letters without using a word

    asked on July 7, 2011
  56. math: precal

    How do I find the zeros of a polynomial function?

    asked on March 20, 2011
  57. history

    was the gang of four the same as the group of jiang

    asked on March 30, 2008
  1. social studies

    ^ they are right

    posted on April 24, 2019
  2. Social Studies unit test

    No one helps on here hmu on snap leena62004

    posted on June 6, 2018
  3. Pre Algebra

    Guys they always change the the questions in tests and hmu on snap @leenaleena.13 :)

    posted on May 14, 2018
  4. even moar math

    10 is right and add me on snap loves @ leena62004

    posted on April 30, 2018
  5. Math

    Is b and add me on snap leena62004

    posted on April 30, 2018
  6. math

    Kara is right

    posted on April 6, 2018
  7. sat essay

    It's great, I love how you provided information to explain what you are talking about very good

    posted on April 1, 2018
  8. Language

    I TOOK THE TEST AND I GOT 6/16 BUT HERE IS THE RIGHT ANSWERS. 1.C 2.C 3.D 4.A 5.C 6.A 7.A 8.D 9.D 1O.C 11.ESSAY 12.B 13.D 14.B 15.C 16.A 17.A 18.ESSAY I PROMISE

    posted on October 25, 2017
  9. math

    A rectangular block of aluminium 24 cm long and 12cm wide is melted and recast into cubes of edge 4 cm. 64m of aluminium is lost during the process. If 125 cubes are obtained calculate the height of the rectangular block before it was melted

    posted on October 17, 2017
  10. Algebra 2 ..........

    5a) g(c)= c-0.2c which means 0.8c f(c)= c-0.15c which means 0.85c Then you find the composition of g(f(c))= g (0.85) = 0.8 (0.85) = 0.68c 5b) use 0.68c = 0.68(248) = $168.64

    posted on January 9, 2016
  11. maths

    i forgot to mention that take pie as 3.142 and give the answer correct to two decimal places if necessary.

    posted on September 22, 2013
  12. maths..... geometry word problems

    thank u Miss. Sue

    posted on September 8, 2013
  13. Geometry..... reposted ques by me

    i did not made the diagram like this.......

    posted on September 8, 2013
  14. Geometry..... reposted ques by me

    here is the diagram Steve but it is not perfect. All sides are in cm. there r no dotted lines, but i didn't had any choice. /| / | / | / | / | / | / | / 10.5 | /\ | 10 / \ | / \ | / \ | A ------------ B E ______20______

    posted on September 8, 2013
  15. Geometry..... reposted ques by me

    the maths tutor where online because ques which were posted after me were answered, and why reposts will be deleted

    posted on September 6, 2013
  16. english........bridges

    posted on September 5, 2013
  17. english........bridges

    thanks ...... :)

    posted on September 4, 2013
  18. geography

    i found 1 more difference; Volcanoes are created by debris from their own eruptions but fold mountains are formed by slow motion collisions of earth's plates

    posted on July 25, 2013
  19. geography

    ok if u wish i will read it again

    posted on July 25, 2013
  20. geography

    i cannot find any similarities from this link. :(

    posted on July 25, 2013
  21. geography

    can you give me some more similarities.

    posted on July 25, 2013
  22. geography

    ok thank you :)

    posted on July 24, 2013
  23. poem

    i am sorry

    posted on July 18, 2013
  24. math

    i can help u. First, draw a picture (it helps to visualize ^_^): S    a    M    b    T where S = start M = meeting point T = turn around point Let b = brother and a = sister The formula is Distance = Rate x Time First focus

    posted on July 17, 2013
  25. english

    it was so easy but i was confused.

    posted on July 17, 2013
  26. english

    i got it..... 1) is doing 2) is working 3) is mowing 4) is always talking 5) is always doing 6) is singing 7) is cooking 8) is putting 9) is sitting 10) is boiling 11) is baking 12) is starting 13) are playing 14) are laughing 15) are making 16) is getting

    posted on July 16, 2013
  27. english

    i just need to write it of 250 words.

    posted on July 15, 2013
  28. english

    yeah this is included in vacation work. Can u help me out........

    posted on July 15, 2013
  29. english

    no i haven't in my life ever taken care of a neighbor's baby.

    posted on July 15, 2013
  30. chemistry

    Molar mass CuSO4.5H2O = 249.69 g/mol You want 400ml of 0.85M: 249.69 *400/1000*0.85 = 84.9g CuSO4.5H2O dissolved to total volume 400ml.

    posted on July 15, 2013
  31. history

    ok thanks

    posted on July 12, 2013
  32. history

    hi! Ms. Sue, i am Leena the link about James_Cook was not helpful as i have to write a short note. Kindly please can you write a short note of 170-180 words on the travelling experiences of 'James Cook' for me.

    posted on July 11, 2013
  33. Physics

    Never mind! Figured it out!

    posted on August 29, 2012
  34. friendship

    i need to explain to her that having fancy clothes and being fashionable is not the whole world. i also want her to understand that she needs to stop copying my style and be herself

    posted on June 15, 2012
  35. 4th grade

    8+4 lattice math

    posted on February 28, 2012
  36. chem

    I can help you with (a) but the rest I can't. the answer is -68.5 To get this answer you need to subtract the H° of the reactants from the H° of the products. [(2*-467)+(-286)+(-393.5)]-[(2*-207)+(-1131)=-68.5

    posted on September 23, 2009