Monday
December 22, 2014

Posts by leena


Total # Posts: 73

math
lily estimated a quotient of 120 and found an actual of quotient of 83 what should she do next ? explain please?
December 12, 2014

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.
February 3, 2014

world history
what was African society and economy like prior to European imperialism?
January 28, 2014

Chemistry
What would be the temperature change if 3.0g of water absorbed 15J of heat?
January 11, 2014

world history
Why did Great Britain lead industrialization during the 18th century?
January 5, 2014

Chemistry
A sample of NH3 gas occupies 75.0 liters at STP. How many molecules is this?
January 3, 2014

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................
October 14, 2013

maths
what is the cost of spraying insecticide on a field measuring 2000m by 3200m if the cost is $22 per hectare.
September 22, 2013

maths
i forgot to mention that take pie as 3.142 and give the answer correct to two decimal places if necessary.
September 22, 2013

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.
September 22, 2013

maths..... geometry word problems
thank u Miss. Sue
September 8, 2013

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.
September 8, 2013

Geometry..... reposted ques by me
i did not made the diagram like this.......
September 6, 2013

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 didnt had any choice. /| / | / | / | / | / | / | / 10.5 | /\ | 10 / \ | / \ | / \ | A ------------ B E ______20______
September 6, 2013

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
September 6, 2013

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?
September 6, 2013

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?
September 5, 2013

english........bridges
<3
September 4, 2013

english........bridges
thanks ...... :)
September 4, 2013

english........bridges
is 'Go Between Bridge' an important landmark for the country? Explain why or why not.
September 4, 2013

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.
August 28, 2013

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
July 25, 2013

geography
ok if u wish i will read it again
July 25, 2013

geography
i cannot find any similarities from this link. :(
July 25, 2013

geography
can you give me some more similarities.
July 25, 2013

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 when molten rock ...
July 25, 2013

geography
ok thank you :)
July 23, 2013

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.
July 23, 2013

poem
i am sorry
July 17, 2013

poem
write a acrostic poem on continents. C O N T I N E N T S
July 17, 2013

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...
July 17, 2013

english
it was so easy but i was confused.
July 16, 2013

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 17) is crashing 18) ...
July 16, 2013

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) ________ _________ (2) outside. I ...
July 16, 2013

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.'
July 15, 2013

english
i just need to write it of 250 words.
July 15, 2013

english
yeah this is included in vacation work. Can u help me out........
July 15, 2013

english
no i haven't in my life ever taken care of a neighbor's baby.
July 15, 2013

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.....
July 15, 2013

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.
July 15, 2013

history
i need to write a short note on mughal empress princess jahanara
July 11, 2013

history
ok thanks
July 10, 2013

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.
July 10, 2013

history
write a short note of 170-180 words on the travelling experiences of 'James Cook'
July 10, 2013

science
explain the comment ''your brain makes you, you''
July 10, 2013

history
Akber became emperor at only thirteen years of age. Research his reign. What were his greatest achievements as emperor?
July 10, 2013

science
why would a spinal cord injury leave someone paralyzed?
June 12, 2013

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?
April 10, 2013

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
February 25, 2013

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 is why does it have ...
February 23, 2013

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)
December 4, 2012

math
(76-12)-(48divided by 8)2
November 27, 2012

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?
November 6, 2012

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°
October 26, 2012

Physics
Never mind! Figured it out!
August 29, 2012

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.
August 29, 2012

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
June 14, 2012

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??
June 14, 2012

4th grade
8+4 lattice math
February 28, 2012

4th grade
8+4
February 28, 2012

Maths
Write 7 july 2011 in 5 letters without using a word
July 7, 2011

Chem
How do you find the pH for 0.010M of HNO3?
April 18, 2011

math: precal
How do I find the zeros of a polynomial function?
March 20, 2011

trig
if cot of theta is less than zero, and csc of theta is less than zero what quadrant is theta in?
March 10, 2011

trig
if sin of theta is less than zero and cos of theta is greater than zero what quadrant is theta in?
March 10, 2011

trig
if csc of theta is greater than zero and sec of theta is less than zero what quadrant is theta in?
March 10, 2011

trig
if than of theta is greater than zero and cos of theta is greater than zero what quadrant is theta in?
March 10, 2011

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 know how to ...
April 2, 2008

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
March 31, 2008

history
was the gang of four the same as the group of jiang
March 30, 2008

math
find the area of the region described: shared by the cardiods r = 2(1+cos theta) and r = 2(1-cos theta)
March 3, 2008

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
November 26, 2007

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.
October 4, 2007

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