Sunday
October 26, 2014

Posts by LILY


Total # Posts: 1,133

Math
what kind of math journals, essays, & projects you guys do in 7th grade math??? i'm really curious i saw the grading policy 2 my skool website here is the grading policy for math DISTRICT GRADING POLICY MATHEMATICS -70% FORMAL ASSESSMENTS (Tests, Quizzes) -15% ALTERNATIVE ...
September 5, 2011

Parenthetical Citations
How detailed do I need to be with my parenthetical citations? I am using a website as a source with many different webpages. It is confusing because I don't know how detailed I need to be with web addresses. I must have 15 different webpages for the same site. Can I just ...
September 2, 2011

Modern History
Thanks :)
August 25, 2011

Modern History
Hey :) In the 1968 invasion of Czechoslovakia, was any international (western nations) help requested by those leading the reform or any political leaders such as Dubèek? Any info on this would be great! Thanks :)
August 25, 2011

Biology
Thankyou so much! :)
August 23, 2011

Biology
Hey! :) When looking at the surface area to volume ratio of a cell it's meant to be that the larger this ratio the more efficient the cell is in diffusion etc. I don't get how a ratio of 6:1 though could be the larger ratio in comparison to 54:27...Im just confused ...
August 23, 2011

Math
Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest. Standing on ...
August 19, 2011

Math
Please can someone show me the steps to do this problem?? Also, please don't tell me to just google the solution because I've already tried and have tried to do this problem by myself for hours now...Thank you so much. You are measuring trees in a forest. Standing on ...
August 19, 2011

Math
Can someone please go over the steps to solve this problem? I know I need to find where the tugboat intersects the radar but I'm not sure exactly how to do this. A radar buoy detects any boats within a radius of 12 miles. A tugboat starts at a location 18 miles SOUTH and ...
August 17, 2011

Geometry
Thanks
August 5, 2011

Geometry
Find the slope of a line perpendicular to the line passing through the given points P(6,-1),Q(3,-2). -3?
August 5, 2011

Geometry
Which of the following statements from Euclidean geometry is also true of spherical geometry? a. A line has infinite length. b. Two intersecting lines divide the plane into four regions. c. Two perpendicular lines create four right angles. d. The intersection of two lines ...
August 5, 2011

Geometry
Thank you
August 5, 2011

Geometry
Find the slope of any line parallel to the line passing through G(2,-3) and H(-1,4). I believe the answer is 7/-3, but was wondering if it should be written 7 7 - / or / ? 3 -3
August 5, 2011

english
Hawaii is one of the most beatiful places on earht. what are the verbs in the sentence
August 2, 2011

4th grade math
suppose a bead maker wants to separate 10,000,000 beads into boxes. She will put 100,000 beads into each box. Into which box would she put the 4,358,216th bead?
July 25, 2011

chem
an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work bcus my ans is contradict from the real ans...
July 22, 2011

chem
an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work bcus my ans is contradict from the real ans.
July 21, 2011

chem
thanks...
July 21, 2011

chem
can i know ur answer bcus i got diff. from the actual ans,3.32M but i get 63.93 M. if im wrong could you show me the conversion value to L (0.9709L) and the moles (62.07 mol).(is my calculation)
July 21, 2011

chem
density of 20% by mass C2H6O2 solution in water is 1.03 g/mL. find the molarity of the solution.
July 21, 2011

math
how to find the slope of the curve 17x^2+12xy=100-8y^2 at the point where y=1. -i already d/dx but i didnt know how to find the slope of curve bcus they only give y. d/dx=(-34x-12y)/(12x+16y)
July 21, 2011

math
you get the same ans like me so the ans is wrong. Is that right?
July 21, 2011

math
the 1st term is y^3
July 21, 2011

math
find the eqt. of the tangent to the curves at (1,2). y^3+y^3=9(xy-1) [ans: y=5x-5] could some1 show me the calculation work bcus my ans is y=(6x+4)/5.
July 21, 2011

chem
compute theoretical yield (g) ~2Al+3Cl2->2AlCl3 ~2g Al, 2g Cl2 [ans:2.5g AlCl3] i need the calculation work bcus i got diff from the ans which is 7.12 g.
July 20, 2011

chem
a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed. (ans:20.2g) i need the calculation work bcus i got diff. from the ans which is 70.2g.
July 20, 2011

phy
Pulling up on a rope, you lift a 4.05 kg bucket of water from a well with an acceleration of 2.50 m/s^2. 1-What is the tension in the rope?
July 18, 2011

phy
A force of magnitude 7.50 N pushes three boxes with masses m_1 = 1.30 kg,m_2 = 3.20 kg, and m_3 = 4.90 kg .The mass is side by side. 1-Find the magnitude of the contact force between boxes 1 and 2, and 2-Find the magnitude of the contact force between boxes 2 and 3.
July 17, 2011

phy
A major-league catcher gloves a 92 mi/h pitch and brings it to rest in 0.15 m. 1-If the force exerted by the catcher is 803 N, what is the mass of the ball?
July 17, 2011

Chemistry 2
I have to calculate the Ccal using the following info: Initial Temp of water outside calorimeter=22.6 C Initial Temp of water inside the calorimeter= 100 C Volume of water in calorimeter= 50mL Volume of water outside calorimeter= 300mL Final Temp of water in calorimeter=27.9 C...
July 16, 2011

Algebra
earned 1000 in 2 mutual funds. one earned 5% profit and the other 2% profit. total profit was $29 how much invested in each mutual fund
July 2, 2011

Chem balancing equation
C5H602+O2 ---> CO2+H2O what is the coefficient of O2?
June 29, 2011

english
Like the popular belief that older adults do poorer in schools than their younger counterparts, the midlife crisis
June 26, 2011

World History
Thank you
June 2, 2011

World History
Who was an English philosopher who believed all people have natural rights? My best guess is John Locke.
June 2, 2011

Math
Lower and upper confidence interval estimate ahead of two months for cod catch (no trend in cod catch but it is changing slowly) for smoothing constant á=0.225 was found 300 and 477.12 tons. If the estimate of ó2 from the monthly catch of two years is s2=900. The...
May 24, 2011

math
How can I find the length of a right triangles leg?
May 15, 2011

Religious Studies
From an academic perspective, when does the Job text first emerge in history?
April 30, 2011

Religious Studies
1. What is “the problem of evil,” and why is it particularly problematic for Western, monotheistic religious traditions?
April 30, 2011

World History
Thanks for the link!
April 27, 2011

World History
One cause of the Peloponnesian War was a. invasion of Athens by the Persians. b. invasion of Crete by the Mycenaens. c. conflict over control of the Delian League. d. economic and commercial rivalries among the city-states. D?
April 27, 2011

World History
The Peloponnesian War began, in part, because of a. economic rivalries among Greek city-states. b. threats of invasion by the Mycenaens. c. alliances formed among Sparta, Persia, and Crete. d. arguments over control of the Delian League. A?
April 27, 2011

chemistry- can you check my answers?
So for a and d are you saying there is no effect?
April 20, 2011

chemistry- can you check my answers?
can you please check my answers?? 9. For the following reaction delta H=2816 kj. 6 CO2(g) + 6 H2O(l) -> C6H12O6(s) + 6O2(g) how is the equilibrium yeild of C6H12O6(s)affected by each of the following? a) increasing pressure of CO2 increase decrease no effect Answer: ...
April 20, 2011

MATH URGENT!!!!!!!!!
SIMPLIFY: s^2+4s-4 SIMPLIFY: x^2-4x-3
April 12, 2011

MATH URGENT!
thanks
April 7, 2011

MATH URGENT!
Madison is standing on the roof of a building that is 350 feet above the floor. She throws a ball straight up with a velocity of 20 feet per second. How long will the ball be in the air before it hits the ground?
April 7, 2011

math urgent!
Tyler is on the 15th floor of a building. She throws a ball straight down from the window, which is 220 feet above the ground. How fast must she throw the ball(in feet per second) for it to hit the ground in 3 seconds?
April 7, 2011

math
So, its 3000grams, because 500g+500g=1000g and 1000g+1000g=2000g and 1000+2000=300grams
April 7, 2011

math
1 kg = 1000 g So, 1000+500=1500 grams
April 7, 2011

Math 8th Grade
Jane's garden is in the shape of a right triangle. One leg of the right triangle is longer than the other leg. The area of the garden is 63 square meters. What is the length of the longer leg?
April 6, 2011

Math
Jane's garden is in the shape of a right triangle. One leg of the right triangle is longer than the other leg. The area of the garden is 63 square meters. What is the length of the longer leg?
April 6, 2011

math
5 combos you idiot
April 5, 2011

Math
=10c+c^2-4c =c^2+6c
April 5, 2011

Math--Proportions
Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck
April 5, 2011

Math
10^-8 comes out to be a fraction so its smallest 10^-6 is next, also a fraction anything^0=1, so 10^0=1 then they just keep going up, so its 10^5 and 10^9
April 5, 2011

math
a square with perimeter 5 less then the area. perimeter and area equal 45
April 3, 2011

Physics
Find the speed at which Superman (mass=88.0 kg) must fly into a train (mass = 17998 kg) traveling at 60.0 km/hr to stop it. Running into the train at that speed would severely damage both train and passengers. Calculate the minimum time Superman must take to stop the train, if...
March 29, 2011

Health
Thanks again!
March 29, 2011

Health
Smoking marijuana over a long period of time can cause a. chronic bronchitis and damaged lung tissue. b. Alzheimer's Disease. c. tongue cancer. d. all of the above. D?
March 29, 2011

Health
Thank you!
March 29, 2011

Health
Indirect pressure is a. a strategy to avoid doing something you don't want to do. b. being swayed to do something because people you look up to are doing it. c. someone trying to convince you to do something you normally wouldn't do. d. none of the above. B?
March 29, 2011

science
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 1.25 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
March 22, 2011

physics
2Tsin16.9=mg=0 2Tsin16.9=mg T=mg/2sin16.9 T=54(9.8)/2sin16.9 T=529.2/sin16.9 T=529.2/.581 T=912
March 22, 2011

physics
a ball dropped from a window strikes the ground 2.99s later. how high is the window?
March 21, 2011

geometry
given constant perimeter (people),Irene made a rectangle with an area (tables) of 196 sq. units. she finds that this is the largest area (greatest number of tables) possible for the given perimeter. Irene drew a rectangle with an area of 196 sq. units. she finds that this i ...
March 20, 2011

geometry
A parallelogram has sides of length 3 and 5 and a diagonal length 10. is the quadrilateral a rectangle? please explain
March 20, 2011

politics
Which president closed the tunnel between his country and palestine? The tunnel was a secret passage way in which the palestinies got food and other helpful sources.
March 19, 2011

politics
what are some famous dictators that were either removed or killed and what did they do?
March 19, 2011

Politics
Why was it necessary to remove Hosni Mubarak as the president of Egypt?
March 16, 2011

math?
9/54 ito percent
March 9, 2011

math?
39/40 ino percent
March 9, 2011

math?
4/11 into a prcnt
March 9, 2011

chemistry
H2 (g) is made when 8.5 grams of Li is placed in water. The reaction also creates Lithium Hydroxide. Li + H2O --> LiOH + H2 How much H2 (g) is made? (the (g) means gas!)
March 6, 2011

Chemistry
How many moles of ethanol is contained in 250.0 ml of a 1.90M ethanol solution? A. none of these B. 7.60 C. 475 D. 0.475
March 5, 2011

English
If I wanted to say--This is Jos's backpack. Would the comma go between the s's as I have included, or would there just be a comma after the s?
February 24, 2011

math
jada baked 4 trays of cookies with a dozen on each tray. she and her brother ate 6 of the cookies while they were still warm. otis baked 4 trays of cookies . he started with one dozen on each tray then his mom removed 6 cookies from each tray to send to otis's grandmother ...
February 24, 2011

reading
what are parts of a poem?
February 17, 2011

math please help
temperature before change = 40 degrees temperature change =up 7 degrees identify the number model below that is correct. then cross out the incorrect model and complete the correct one. 40+7=? or 40+(-7)=?
February 16, 2011

math please help!!
i will make it more clear 10-_?_= 20
February 16, 2011

math please help!!
10-blank=20
February 16, 2011

math
7/1
February 14, 2011

math
2.5/30 is your scale so 2.5/30=8/x a proportion, so cross multiply 2.5x=240 x=96 yeah i think you're right
February 14, 2011

Math
distribute 12x-3<2 add 3 12x<5 divide by 12 x<5/12
February 14, 2011

geometry
the lengths of the diagonal of a rhombus are 2 in and 5 in. find the measure of the angles of the rhombus to the nearest degree. if it helps, we are learning how to use tangent right now!
February 14, 2011

Writing
Hi! Try this Look up the Song, "How do you like me NOW" see how they say it. Then you will know which one to use. Hope I helped! :-)
February 7, 2011

US history
To what extent and for what reasons did the policies of the federal government from 1865 1900 violate the principles of Laissez-Fair which advocated minimal government intervention in the economy?
February 6, 2011

calculus
assume f(x)=-2x+8 and g(x)=5x. What is the value of (f-g)(2)? i got -6 but i don't think that's right...is it?
January 30, 2011

Elementary Math
What if we made a pattern by joining pentagons? If the length of each side of the pentagon is 1 unit, then what would be the perimeter of n pentagons joined together? Note: The perimeter is the distance around the outside of the figure.
January 27, 2011

Math
poo poo
January 12, 2011

Math
maia i hoped your right p.s. answer is H
January 12, 2011

Math
30 plus 30
January 11, 2011

physics
I have for about an hour and a half and I am still not getting the right answer.
January 10, 2011

physics
a 10.0-g object moving to the right at 20.0 cm/s makes a elastic head-on collision with a 15-g object moving in the opposite direction at 30.0 cm/s find the velocity of each object after the collision.
January 10, 2011

math
Is x<z<y what you are looking for?
January 6, 2011

AP chemistry
If 25.0g of water are decomposed at RTP how would you find the volume of hydrogen gas produced?
January 6, 2011

math
i have a math competition next saturday can some please give me advice on how to study. some sites snd stuff i really need help for algebra thank you in advance
January 5, 2011

math
i have a math competition next saturday can some please give me advice on how to study. some sites snd stuff i really need help for algebra thank you in advance
January 5, 2011

math
thank you
January 5, 2011

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