Questions Asked on
November 14, 2008

chemistry
Write a Lewis structure of OSF4 in which the formal charges of all atoms are zero
asked by mandy 
PHYSICS
A spinning wheel on a fireworks display is initially rotating in a counterclockwise direction. The wheel has an angular acceleration of 3.80 rad/s2. Because of this acceleration, the angular velocity of the wheel changes from its initial value to a final
asked by Steven 
Algebra
Here's another problem I'm having a little trouble with: A piece of string is 40 cm long. It is cut into three pieces. The longest piece is 3 times as long as the middlesized piece, and the shortest piece is 23 cm shorter than the longest piece. Find the
asked by Celina 
Calculus
What is the local linearization of e^x^2 near x=1? Is the answer 1+2x
asked by George 
english
I read this essay called "Shooting an Elephant" by George Orwell. I don't understand this question I have to answer: What examples of English ( as opposed to American) usage do you find in Orwell's essay? In Moulmein, in lower Burma, I was hated by large
asked by kayla 
physics
consider a pair of planets that find the distance between them is decreased by a factoer of 5. Show that the force between them becomes 25 times as strong?
asked by randy 
chemistry
Draw the Lewis structure of NO2 Assign formal charges to each atom in the O3 molecule shown below. Be sure to click the +/ button below (it will turn yellow when activated) before clicking on the molecule. .. .. .. :OO==O .. .. Based on formal charges,
asked by mandy 
Physics
A 215 g mass attached to a horizontal spring oscillates at a frequency of 5.50 Hz. At t=0s, the mass is at x= 6.40 cm and has vx = 45.0 cm/s. Determine: a) The Maximum acceleration to 3 significant digits.  I calculated this to be 7.64 but it keeps
asked by Samantha 
math Law of Syllogism and Law of Detachment
What is the difference between Law of Detachment and The Law of Syllogism ? pLEASE provide an example of both thx.
asked by Naya 
math
A class of 43 students took an exam. Their mean grade average is 67 and standard deviation is 7. a) how many students should get a C? b) how many should get a B? c) what score is necessary to get an A?
asked by devon 
chemistry
System: Co(H2O)6^2+(aq) + 4Cl^(aq) CoCl4^2(aq) + 6H2O(l) Q: What would happen when you add HCl as a source of Cl ions? Explain the observations in terms of Le Chatelier's principle. Would the answer be that the reaction shifts to the right? How would
asked by Tanimoto 
physics
with earths mass 6 x 10^24 kg and radius6.38 x 10^6, how does the inversesquare law show that in space shuttle territory, 200 km above earths surface, the force of gravity is about 94% that at Earths surface
asked by nichole 
chemistry
what is the lewisdot structure for SiCl2Br2?
asked by chaunce 
physics
What is the minimum work function for a metal for visible light (wavelengths between 400 and 700 ) to eject photoelectrons?
asked by Velaria 
Chemistry
Two people were given 1.75 g salicylic acid and 2.00 mL of acetic anhydride. If the density of acetic anhydride is 1.0820 g/mL, how many grams of aspirin could they have prepared. Is the answer 4.7 g
asked by George 
calculus
If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t  16t^2 What is the velocity of the ball when it is 96 ft above the ground on its way up?
asked by fred 
criminal justice
Which theory of crime do you believe best explains the prevalence of crime in the United States?
asked by Nicole 
Physics
The earth orbits the sun once a year (3.16 multiplied by 10^7 s) in a nearly circular orbit radius 1.50 multiplied by 10^11 m. With respect to the sun, determine the following. (a) the angular speed of the earth
asked by nick 
physics
if two carts, one twice as massive as the other, fly apart when a compressed spring that joins them is released. How fast does the heavier cart roll compared to the lighter cart?
asked by randy 
English
1. Do you mind my opening the window? 2. He narrowly escaped being drowned. 3. He gave up smoking. 4. He admitted having stolen the money. 5. You have to avoid being hit by a bad guy. 6. I finished writing a composition. 7. Sam enjoyed swimming in
asked by John 
grammar
Fill up the blanks with the correct tensc of the verb in the bracket. 1.Sheall the way to the hills by herself.(drive).
asked by ra ny 
physics
a 50 kg person is standing on mercury. mercury's mass is .0553 times the earths mass and has a radius of 2439 kilometers a. what is the persons weight on saturn b. what is the persons mass on saturn how do i solve this, i don't need the answers, just an
asked by kim 
business
Research and identify an organization whose organizational culture you admire or would like to be part of. Much or all of your research can be conducted online or at the University Library. In a 500 to 750word essay, describe the following: • What
asked by Anonymous 
math
A fitness company surveyed the weights of its 90 costumers. Assume that the weights are normally distrubted with a mean of 162 lbs and a standard deviation of 3.5 lbs. If you select one of its costumers randomly, what is the probability that the costumer's
asked by devon 
math
a carpenter has a piece of lumber measuring 9 feet 6 and 3/4 inches long how much the carpenter saw off to be left with a piece 7 feet 11 and 5/16 inches long?
asked by jashira 
English Grammar
For greetings, is it "Haven't talk to you for a while" or "Haven't talked to you for a while" past tense or not:=?
asked by Sam 
Algebra
Here is my problem. Please walk me through how you got to the answer. Threefourths of a number equals 3 times the number increased by 9. Is this the correct equation? 3/4n = 3n + 9 Here's another. In this one, does "is" mean "equals"? Onefourth of a
asked by Celina 
English
Is it okay to write, I ate tentynine apples. Or, I ate 29 apples.
asked by Neya 
math
A fitness company surveyed the weights of its 90 costumers. Assume that the weights are normally distrubted with a mean of 162 lbs and a standard deviation of 3.5 lbs. If you select one of its costumers randomly, what is the probability that the costumer's
asked by devon 
English
1. I expect to go abroad. 2. I hope to see you again. 3. I wish to go to egypt. 4. Don't you care to buy a pet? 5. He decided to reenter the burning building. 6. He chose to be a fire fighter. 7. I mean to do a business on the Internet. 8. Emily promised
asked by John 
Health  Law and Ethics  HIPAA
We are to go to the hhs.gov sire and reaserch the site for answers to questions below. Be sure to carefully read the PDF file “Summary of HIPAA Privacy Rule.” (Note that covered entity means those who are subject to the HIPAA rules—like health plans,
asked by Anonymous 
Chemistry
what is electron configuration?
asked by Shika 
French
If I want to say: "...but now all is well again" do I use "encore" or "de nouveau" for "again"? Mais maintenant tout est bien encore(de nouveau) Merci beaucoup!!
asked by Anonymous 
math
please help me out here the problem is combining like terms. 4x^33x^3+9x+2x I got 1x^3+11x but when i asked a friend they said it would be x^3+11x could u help me out please. also could you tell me if this probem is correct as well (10x^3+6x^2+4x)
asked by laura 
MATH
combine like terms is this correct (5x^2+6x+8)+(6x^3 +2x^24x) = 6x^3+7x^2+2x+8
asked by laura 
AED
this what i have so far and I need 44 more words: Instructional strategies for encouraging communitity involvement and global awareness for social studies students can be the following. In middle or high school, an annual event could be that the students
asked by troyer0269 
math
In the set of numbers 2,3,5,7,7,8,10 what is a) the arithmatic mean b) the harmonic mean c) geometric mean
asked by devon 
MATH
Let f(x) = 3(x1)^3 + 4(x1)^2 + 2(x1) 7 (a) Determine f'''(1) without taking any derivatives. Explain your method. (b) Determine the general Taylor polynomial of f aobut c =2 by computing any for each k, using the formula above for f(x).
asked by PAUL 
chemistry
All gases are in soluble in water.Whether it is ture or false
asked by ra ny 
algebra
for the equation i just gave it also says to solve it by letting y equal each side fo the equation and graphing. there is a graph off to the side. so what does all this mean?
asked by hella 
science
how does the mantle material get energy to move in convection currents?
asked by albert 
math 5th grade
i need all the prime numbers of 1100
asked by albert 
health care
Hi I just need help with defining these meanings when it comes to healthcare. I think I am on the right path but need some assistance. (Hospitals are generally categorized as nonprofit, forprofit, or governmental.)Identify at least one example of each
asked by jenny 
music
what does 7:LAL mean its one of thoses things were you have to find what it means?
asked by chloe 
3rd grade music
In "Pick Yourself" by Jerome Kern & Dorothy Fields, what is the songwriter encouraging you to do? Give 2 supporting details from song.Also, give an example on how the song could inspire me to think or act differently.
asked by elaine 
History
What impact did the moon landing have on the Sixties?
asked by Unkown 
grammar
Fill up the blanks with the correct tense in the tense. 1.Tanya has the tennis match.(win).
asked by ra ny 
English
14. "You really _____ go to Cairo. You can see the Pyramids and the National Museum." A. may B. might C. can D. must 17. If we _____ some more money, we could go away this weekend. A. are having B. have C. had D. would have It would be appreciate if
asked by Lamp 
science
liquids diffuse slowly as compared to gases.Whether ture or false.
asked by mimo 
trig
can you please show me in steps how to find f(1+a) in this equation f(x)=2x^2+4x+6 i know that you will plug in 1+a anywhere there is x. but after that i get confused. also can you tell me how to find the domain and range of a relation for ex. 2x+5y=10
asked by y912f 
Math
Find the stationary points of function E(a,b) = a^4  2a^2 + 2b^2 and classify each of these as either a minimum, maximum or saddle point.
asked by Alice 
science
wat causes an apple to fall down from a tree a pulling force towards the tree or a pulling force towards the earth
asked by Anonymous 
minorities
Just want to know few opinions to see if mine will fit on this question should law enforcement use race and ethnic specific strategies to fight gang formation and control gang crime? Appreciate the opinions
asked by Nicole 
science
if a mack truck and a motorcycle have a head on collision which one is the impact force greater? and which one has the greatest change in its motion? This seems obvious that's why I am asking?
asked by randy 
education
I have to create a schedule of school related tasks for a typical teaching day from the time you arrive at school until the time you leave school at the end of the day. for kindergarten.
asked by mary 
math
Arnold is 10 yeras older than his brother richard. In 10 years richard will be 3/4as old aas arnold. how old is ecah one?
asked by sachi 
Computer Ecxel
Rent A Flick Insert a Date Formula Movie Category Rental Price Profit % Boca Vero Delray Miami Totals New Releases $3.99 30% 28 17 13 52 110 Video Games $5.00 75% 14 6 9 15 44 College Picks $2.50 55% 10 5 5 22 42 Classic Feature Films $1.49 65% 4 3 2 18 27
asked by Soska 
i need help on science
please somebody smart answer this question like Ms.Sue or anybody else. how are earthquake vibrations used to study earth's layers?
asked by albert 
French
When writing a letter, is "vous" written with a capital "V"/ Merci!
asked by Anonymous 
EnglishEssay writing
Can someone tell me if there is a difference between the information on bibliography cards and the works cited page. I did bibliography cards already but now I'm doing my works cited from a newspaper and I thin there is a difference. Thanks
asked by Sue 
language arts
It's a panda planet keep them here. This is part of a poem! Please tell me if there is a coma after the word planet. Thank you so much for the help.
asked by lexie 
AED
this one is hard to me cause I do not know.... Even one of my co worers had a hard time too.. “how students learn science is just as important as what they learn. In the teaching of science, a major objective is to develop students’ problemsolving
asked by troyer0269 
English
Which way is "1" used in a sentence? For example, I ate 1 doughnut. Or I ate one doughnut.
asked by Neya 
math
which of the following is equivalent to 4.3710negative4
asked by jashira 
psychology
what is history of developmental psychology?
asked by abiyha naqvi 
science
Choose the correct answer. 1. A bad smalling gas is mixed with cooking gas.so that; (a)cooking gas burns better in presence of this gas (b)it becomes odouries after buring(C)it helps detect leakage of cooking gas(D)a preevents leakage of cooking gas.
asked by mimo 
algebra
how do you solve this equation: w+3.14=0.5(2w+6.38)
asked by hella 
health care
What are the stages of change in the Transtheoretical model?
asked by april 
4th grade
Life Cycle Defininition of Stimulus and variable
asked by Anonymous 
social studies
an article that addresses diversity in the workplace.
asked by tennia 
Statistics
Assume that men constitute 49% of population in a country. Assume also that among men there are 5% of colorblinded. Find the proba bility that a person chosen at random is a colorblinded man.
asked by Erica 
Physics
For the harmonic potential V(x,y) = x^2 + y^2 a)Find the total differential, dV. b) Show that dV is exact c) Given that dV = Fx.dx + Fy.dy where Fx and Fy is the force in the x and y direction, respectively, write a differential equation describing the
asked by Beth 
human services
What would you say is the most important aspect to a human service agency?
asked by Ree 
math
what did the computer do at lunch?
asked by Mary 
math
what did the computer do at lunch?
asked by Mary 
Criminal Justice
What do you think of this: If most youth gangs are racially and ethnically homogeneous, should law enforcement use race and ethnic specific strategies to fight gang formation and control gang crime?
asked by Nicole 
math
if line q has a slope of 2, what is the slope of any line perpendicular to q?
asked by alyson 
science
a pair of plants has the distance between them decreased by a factor of 5how do i show that the force between them becomes 25 times as strong?
asked by randy 
MGT
help please my mind is going crazy trying to figure this out Follow the steps listed below to complete this 200300word CheckPoint: 1. Assume that you—as a supervisor in a manufacturing plant—have heard rumors that the union, which has been virtually
asked by troyer0269 
Social Studies
What personal and professional qualifications should a presidential candidate have? Why?
asked by Carmen