Friday
April 29, 2016

# Posts by lily

Total # Posts: 1,380

Geometry
The perimeter of triangle ABC is 29 meters. Line segment AD bisects angle A. Find AB and AC. CD=5cm, DB=4 cm.(triangle angle bisector theorem)
December 28, 2011

FINANCE
You deposit \$2,000 in an account that pays 8% interest compounded semiannually. After 4 years, the interest rate is increased to 8.28% compounded quarterly. What will be the value of the account after 4 more years? (Do not round until the final answer. Then, round to the ...
December 7, 2011

science
what is the weather degrees for november 20 through november 25 in las vegas
November 27, 2011

Physics
i do not know
November 27, 2011

yes you are but you are have to write like this 0.66% .
November 24, 2011

Alg. II/Trig
If m and n are real numbers, i^2=-1, and (m-n)-4i=7+ni, what is the value of m?
November 18, 2011

Alg. II
Simplify. Identify any x-values for which the expression is undefined. 1. (4x-8)/(x^2-2x) 2. (8x-4)/(2x^2+9x-5)
November 17, 2011

Geometry
Name the property of inequality that justifies the following statement: If BC+DE<FG+DE, then BC<FG. Subtraction Property of Inequality?
November 12, 2011

Why is condensation on the beaker resulted from burning methane a chemical reaction?
November 3, 2011

trig derivatives
How do I find the derivative of 6 + 8cosx?
October 27, 2011

Trig/Algebra II
(3+√2)/(3-√2) is equivalent to: a. (11+6√2)/ 7 b. (11-6√2)/ 7 c. 11/7 d. 7/ (11+6√2)
October 27, 2011

physics
an experimental jetplane just after takeoff climbs with a speed of 500km/hr at an angle of 37 degrees with the horizontal. At what rate is the plane gaining altitude?
October 24, 2011

integrated algebra
Graph 2y = -1 + 2
October 23, 2011

math
Is 2,340 divisible by 90? How do you know?
October 11, 2011

World History
Since independence, in most Latin American countries a. elected governments have been overthrown by a military coup'etat. b. elected governments have continued to function peacefully. c. Socialist governments have come to power in most countries. d. Communist governments ...
October 10, 2011

World History
Thank you!
October 10, 2011

World History
A major problem in relations between Israel and the Arab states was the a. resettlement of Palestinian refugees. b. failure to develop trade agreements. c. status of Jerusalem as an open city. d. level of influence Great Britain still exercised. A?
October 10, 2011

World History
Palace at knossos
October 7, 2011

arithmetic
1/3 and 1/4 and 1/8 and 1/5 and 10 and 1. Find the original number
September 28, 2011

geography
sea of japan
September 19, 2011

Algebra
John and two friends rent a canoe at a park. Each person must rent a life jacket. If the bill for the rental of the canoe and life jackets is 41, for how many hours did they rent the canoe?
September 15, 2011

Algebra
Use an equation to solve the problem. John and two friends rent a canoe at a park. Each person must rent a life jacket. If the bill for the rental of the canoe and life jackets is 41, for how many hours did they rent the canoe?
September 15, 2011

Math
I don't get what l and w would be
September 15, 2011

Math
WHAT IS THE PERIMETER OF A SQUARE WHOSE VERTICLES ARE A(-4,-3), B(-5,1), C(-1,2), AND D(0,-2)?
September 15, 2011

Math
sorry i meant 13
September 15, 2011

Math
TRY DIVIDING 65 BY 15
September 15, 2011

World History
Thanks again!
September 14, 2011

World History
People who proposed complete democracy for Great Britain were called a. anarchists b. Tories c. Chartists d. Conservatives C?
September 14, 2011

World History
Thank you!
September 14, 2011

World History
The Roosevelt Corollary extended the Monroe Doctrine by declaring that a. European powers might collect Latin American debts by force. b. European powers must give up their colonies in Latin America. c. the United States could intervene in Latin America countries if it seemed...
September 14, 2011

chemistry
The osmotic pressure of a solution containing 5.00 mg of an unknown protein per 10 mL of solution was 2.73 torr at 25 °C. Find the molar mass of the unknown protein.
September 10, 2011

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

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

geometry
i think that the 31 and 49 are the angle measures and the NW and SW are just what direction its pointed toward :)
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
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!
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

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