Tuesday
November 25, 2014

Posts by Laura


Total # Posts: 1,039

forces
What forces can be seen in action in the classroom Gravity, for one. It's what keeps people in their seats. What about whatever moves the hands of the clock on the wall, or the chalk on the blackboard, or the door on its hinges?
February 25, 2007

English
Is this a strong thesis statement: Ms Gilman captures the struggle of the narrator as she provides evidence of the journey of the narrator’s changing mental state that is not just about a woman losing her sanity but of a woman who is suffering from a feeling of entrapment...
February 18, 2007

math
1 1/2 * 3 1/5 = 1 1/2 = 3/2 3 1/5 = 16/5 Multiply numerator and denominator to arrive at the answer. Be sure and reduce the fraction if possible. Please help Angelina!!!!!!!!!! With Math.
February 7, 2007

calculus plz heLP
can someone please prove the difference rule to me? d/dx[f(x)-g(x)]=d/dx f(x)- d/dx g(x) Go to the definition of a derivative: Lim x>0 of {f(x+deltax)-f(x)]/deltaX
February 5, 2007

Calculus
can someone please prove the difference rule to me? d/dx[f(x)-g(x)]=d/dx f(x)- d/dx g(x) plz help
February 4, 2007

SPANISH
proofread- thanks! revelado a Dali en un sueno. Esto tambien acentua que no era los clavos que sostenian a Cristo en la cruz, pero su amor para la gente. En esta picture, la brazo de Cristo forma un triangulo mientras su cabeza está en la forma de un círculo. ...
February 1, 2007

Spanish
proofread- thanks! revelado a Dali en un sueno. Esto tambien acentua que no era los clavos que sostenian a Cristo en la cruz, pero su amor para la gente.
February 1, 2007

math,algebra
2x+28<6x -2x -2x 28<4x - - 4 4 7<x =x>7
December 21, 2006

ethics
Ok, so first I want to say that it is ETHNICS, not ethics... but yes I am also having difficulty with this one, just like the rest of you, but the thing is that it is a research paper, where you have to research the topic... research... meaning, search for info. The only thing...
December 17, 2006

science - controlled experiment
This doesn't seem like it should be that hard, but it is. List the 2 parts of a controlled experiment. _____ variable-- the factor that is not being tested (know expected outcome) _____ variable -- the factor that is being tested I feel like the answers should be dependent...
December 13, 2006

Pigskin Geography
someone plz help me
December 9, 2006

Pigskin Geography
i need the answers for week #5 of 08
December 9, 2006

Pigskin Geography
i need answers for week #3 of 08
December 9, 2006

Pigskin Geography
i need answers for week 3 of 08
December 9, 2006

physics
A heavy flywheel rotating on its central axis is slowing down because of friction on its bearings. At the end of the first minute of slowing, its rotational speed is 0.90 of its intial rotational speed of 250 rev/min. Assuming a constant rotational acceleration, find its ...
December 4, 2006

Physics
A wheel has a coonstant rotational acceleration of 3.0 rad/s^2. During a certain 4.0 s interval, it turns through an angle of 120 rad. Assuming that the wheel starts from rest, how long is it in motion at the start of the 4s interval. I just need help in getting started. I ...
December 4, 2006

Physics
Two objects, each with a charge of +3·10-6 C, are located 7 m apart. What is the electric force between them? Use coulombs equation: I will be happy to critique your work.
November 12, 2006

Physics
If travelling waves move at 140 m/s on this string, what musical note is this string currently producing? In hertz The fundamental is 1/2 wavelength. So you have to know string length. wavelength*fundamentalfreq= wave speed.
November 12, 2006

macroeconomics
State the four sections of a buisness cycle. state endogenous and exogenous conditions that affect the buisness cycle. Explain the reasons that inventories of producers are an impoertant in the growth-and decline-in a buisness cycle. Take a shot. Be sure to do a little ...
November 5, 2006

Chemistry
25.0 cm cubed of Barium hydroxide,Ba(OH)2 solution neautralises 35.0 cm cubed of aqueous hydrochloric acid of concentration 0.09 mol dm-3. what is the concentration of the barium hydroxide? I like the titration equation Normalitybase*volumebase*concentrationBase equals ...
November 5, 2006

acids and alkalis
hi thanks alot it realy helped me wiv my hwk :D
November 4, 2006

physics
In a room that is 2.13 m high, a spring (unstrained length = 0.30 m) hangs from the ceiling. A board whose length is 1.58 m is attached to the free end of the spring. The board hangs straight down, so that its 1.58-m length is perpendicular to the floor. The weight of the ...
November 3, 2006

Math - Bases
What is 12 base 5? Would you just divide 12 by five and get 2 (but then what about the remainder) If you are refering to logs, 12 base 5 means log of 12 to the base 5. Call it x. 5^x = 12. x = log 12/log 5 (any log base can be used) x = 1.07918/0.69897 = 1.54396 If "5&...
October 29, 2006

statics equilibrium
hey every1, any1 know how to do statics questions? i have a few virtual work questions i have to get right by 2moro or i'll fail my course! please help... There are several engineers here who can assist. At What point from the left end should a uniform meter stick (cg.=50 ...
October 19, 2006

business studies
c----of p---- is the different stages that a product has to pass through before they are sold g----d----p-----is the total value of goods and services produced b a country in a year The first one looks like cycle of production, but I'm not sure about it. The second one ...
October 15, 2006

math
2)How many arrangements of the integers 1,2,3,...,n are there such that each integer differs by one (except for the first integer) from some integer to the left of it? Let's construct the arrangement. First consider 1, it can only have two placed next to it so it has to be...
October 15, 2006

Chemistry
Would heating a tertiary alcohol change its structure and reaction with hydrochloric acid and potassium permanganate (KMnO4)? Tertiary alcohols resist oxidation, but can be oxidised by reagents such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone.
October 9, 2006

Principles of Finance HELP!!!
Problem 16-7. Pro forma income statement At the end of last year, Roberts Inc. reported the following income statement (in millions of dollars): Sales 3000 Operating costs excluding depreciation 2450 EBITDA 550 Depreciation 250 EBIT 300 Interest 125 EBT 175 Taxes (40%) 70 Net ...
September 29, 2006

Science
How do you measure body volume? I need two ways. Thanks. Displacement is a common method. Fill a barrel full of water, then dunk the body (letting the water overflow), remove the body, and then measure the water level. Another method is to use air displacement, by Air ...
September 4, 2006

orientalism of muslim and arab american
2009 UoP student still stuck on this question...Thanks for all the help. Most of you have graduated or are pretty close by now, but thanks again!
August 6, 2006

Accounting
On January 1, 2006, Mythical purchased some office equipment, paying $24,000. It is anticipated that the equipment will last 4 years and have a zero salvage value at the end of the four years. 1) Make the adjusting entry for depreciation at the end of year two using the ...
July 28, 2006

sociology
I am glad I found this site on accident! I was looking for the same answer to the question about measurements to calculate prejudice! I'm in my second week of ETH 125.....I really like the class. I'm sure I'll use this site again! Good luck everyone!
July 20, 2006

Accounting
1. What is it that the adjustment process actually accomplishes? 2. What would happen to financial statements if the adjustment process was skipped? 3. How does the matching principle relate to the adjusting process?
June 26, 2006

Accounting
Why do revenues increase capital while expenses decrease capital? Because cash is a form of capital.
June 20, 2006

Business/Accounting Question
You are to state what will increase and/or decrease in each of the transactions described below. 1) Mythical Services sold $500 of legal services on account. 2) Mythical collected the $500 from transaction nmuber 1 above 3) Mythical purchased office furniture on account in the...
June 15, 2006

chem
How many moles of ions are there in .2 mol of lithium oxide? I need help again... Strictly speaking, Li2O is a solid and in that form it is not ionized. To get ions from it, you must dissolve it in water, and that causes it to decompose. Despite all that, they probably expect ...
August 29, 2005

*Chemistry
Hydrogen reacts w/ sodium to produce solid sodium hydride, NaH. A reaction mixture contains 6.75 g Na and 3.03 g H2. A. Which reactant is limiting? B. What is the theoretical yield of NaH from the above reaction mixture? C. What is the percent yield if 4 g NaH is formed? Laura...
August 28, 2005

Chemistry
A 2.612 g sample of a copper oxide, when heated in a stream of H2 gas, yields .592 g H20. What is the formula of the copper oxide? Again, I need help with this problem. Answer = CuO Ok nvm.. i got it. Set up the reaction as best we can surmise at the moment. CxOy + H2 ---> ...
August 25, 2005

Chemistry
Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of iron. Then ...
August 25, 2005

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