Wednesday
April 16, 2014

Posts by tiffany


Total # Posts: 786

Calculus
e^-10t dt -10te^-10t dt= te^-10t e^-10tdt=(e^-10t)/-10 10te^-10tdt=(e^-10t)/(-10)-te^-10t 20te^-10t dt =(e^-10t)/(-5)-2te^-10t

SAT essay
I don't know what is a strong conclusion. Can anybody tell me?

SAT essay
If I don't have an example to support my thesis in the examine, what should i do?

SAT essay
Most of us tend to accept the opinions of the authority because we believe that those who are in the position of authority are more likely to know the truth and make wise decisions. However, the people in authority can sometimes make mistakes. If we stick to their ideas withou...

Calculus
Use implicit differentiation to find the second derivative: 2xy^2=4 (nothing is in parenthesis)

earth science
how do you draw a landscape region?

earth
When combining atoms, how do i use the balloons and letter notations to show the product formed?

history
thank for you ms sue

history
help me !!!!!!

history
why did the Puritans leave England, and what colony did they built in New England.

social studies
i dont know

Physics
A small metal cylinder rests on a circular turntable that is rotating at a constant speed. The small metal cylinder has a mass of 0.20kg, the coefficient of static friction between the cylinder and the turntable is 0.080, and the cylinder is located 0.15m from the center of th...

psychology
description of the central themes and strategies of positive psychology as you understand them from your reading. the reading did not cover the themes of positive psychology. I don't know what to do. I even googled this question and I have not found any materal to help ans...

Acct
How do you Calculate cash on the balance sheet

Ap Physics
Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000N acting on its torso when it hit the ground. Assuming the torso has a mass of 3800kg , find the magnitude of the torso's upward accelerati...

5th grade
no you are not

community health
fine a health organization and what the premacy goals it for

health
fine health organization what the premary goals and who the government

math
write a story problem of your own and solve it

Science
Scientists do their experimental tests more than once, so the can reduce the effects of chance errors. This is called conducting___________________.

University of Phoenix
THe sign change in row three is not a sign change it is a misprint it really is and >= sign.

University of Phoenix
Minimize w= y1+y2+4y3 subject to y1+2y2+3y3>=115 2y1+y2+y3<=200 y1+ y3>=50 with y1 >=0 y2>=0 y3>=0

english
I am 38 and this isnt for homework! I need to have access to a site to identify parts of speech. I want to be able to enter in a sentence and have the parts of speech (verb, noun, pronoun etc.) identified. I have over 100 sentences that I need to do this with so clearly I cant...

english
I would love a website where I could put in my own sentence and have all the parts of speech identified!!! Can you help me with this? I have too many sentences to post here for help.

French Translation
thursday september 3, 2009

Chemistry
try writing them over a couple of times it seems to get into your mind that way

english
that web site didnt help me

english
chapter 2

english
Cite an incident from this chapter to prove the following statement. dad, like manny, does not understand how to break out of the cycle of oppression faced by some mexican americans? Parrot in the oven by victor martinez

english
Cite an incident from this chapter to prove the following statement. dad, like manny, does not understand how to break out of the cycle of oppression faced by some mexican americans

Math
Bill can mow his mothers lawn in 6 minutes. His brother Jim can mow it in 9 minutes. How long will it take them to do it together, if each has his own lawnmower? (record answer in minutes rounded to one decimal place. For example 14.2835 minutes, record 14.3).

10th grade
i need help in common law

human services agency interview
how much do you make working with human services

crt 205
Final Project: Comprehensive Argument Analysis The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library and selecting the Ar...

chemistry
What volume of 16 M nitric acid must be diluted with distilled water to prepare 500.0 mL of 0.50 M HNO3?

sociology
How would a symbolic interactionist respond to television and music producers who say that they only giving the public what the public wants?

sociology
What suggestions would be offer to bridge the digital divide that separates some seniors from others in computer usage? Consider enterprises that are both profit and nonprfit

sociology
How do these themes about male roles appear in the television and movies watch? What messages do these themes provide for men and women about masculinity and femininity?

sociology
What do sociologists suggest that will enhance or deter your computer literacy at that stage of life at the golden age of 65?

sociology
What suggestions would be offer to bridge the digital divide that separates some seniors from others in computer usage? Consider enterprises that are both profit and nonprfit

sociology
What, if anything, do these reverse migrants lose by returning to the South?

12 grade economics
nine-line acrostic poem of economics?

sociology
The iranian legal system is more focused on protecting the rights of crime victims ( and their relatives) than is the law in the united states. Should our courts move in this direction?

sociology
what are the advantages and disadvantages of explicitly grounding a legal system in a particular religious tradition? Should the united states attempt t integrate christianity into its criminal justice system, as some conservatives recommend?

sociology
How do the lifestyles of today's rich and famous differ from those of the 19th century robber barons?

sociology
is there anything wrong with wealthy people spending their money any way the wish

Beowulf question
Thanks for not helpiing jack.

Beowulf question
Why was it harder for Beowulf to kill Grendel's mother than Grendel himself?

math word problem
I have a question... There is not a 5 degree differnce between 12 degrees and -7 degrees. So, wouldn't you write it 12 - (-7) = 19 degress? I am working on the same problem and trying to figure it out. I am now more confused then ever. Please no offence to Ms. Sue. I am ju...

momentum
do gamma rays carry momentum? i thought they dont because they dont have mass so mv=0 but my frend says even tho they dont have mass they still carry momentum. how does this make sense? please help.

Beta particles
what are the sings of the charges on the beta particles? one of my frends says it 0. the other one says its +1 and -1. but i think its -1. now im not shure. can some1 verify. thanks.

Converging Lenses
As the value of the focal length increases, does the image size increase or decrease? I think it would increase as well but I'm not shure. Can anyone verify?

college poetry/comp2
what object is ugly on the inside and beutiful on the ourside?

math (factoring quadratic trinomials)
i am doing factoring with quadratic trinomials, And I dont understand any of it! The problem im working on is 5p2-22p+8 I factored it out to be (5p2-20p)(40p2-2p) I am so stuck, can anyone help

language Arts
What couldn't women do in the 1800s?

literature
A tercet is a? A. figure of speech B. Literary genre C. Complex rhyme scheme D. Three-line stanza

music: history
Psychedelic and beatle mania were two eras that the beatles played in. What were the two other eras that the beatles played in?

chemistry
what are general errors expected in a spectrophotometry lab?

chemistry
would the method of spectrophotometry or redox titration be a more accurate?

math
wat is the answer for 5c+5d=?

science 12 grade
3.5 kilometers equals how many meters

short stories
An individuated character is one who? A. Has his or her own unique history and personality. B. Is a symbol for some characteristic C. is able to be identified with the audience D. has a series of epiphanies

Practical English
think you.

Practical English
sentence 1 i think

Practical English
What is the topic sentence in this paragraph? (1)A trip to the ocean can be a relaxing escape from the everyday pressure of life. (2)A sailboat glistening on the horizon provides a mental escape to faraway places. (3)the rhythm of the ocean beating against the sand is sedating...

Math
A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?

ALCOHOLIC BEVERAGES
Actually 17. Kareem is correct

chemistry. Chl my answers please!
(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into NaTcO4? Tc + 7HNO3 = ...

Chem. Could someone check my answer.
(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into NaTcO4? Tc + 7HNO3 = ...

History
What were the stages of Greek political development? Were they the natural consequence of the evolution of human society?

psy 230
Wow. I'm so happy to find this. I had to do Google search for the majority of this class (we're only in week 3!) and we're already having problems! I've noticed the class is having problems with discussion questions and I thought I was the only one. This textbo...

physics! please help
the thing is. i dont know what to do witht the 50km cuz its different units from the 3km/hr and the 4km/hr

physics! please help
A long distance swimmer is able to swim through still water at 4km/hr. She wishes to swim from Port Angeles, WA due north to Victoria, B.C., a distance of 50km. An ocean current flows through the Strait of Juan de Fuca from west to east at 3km/hr. In what direction should she ...

physics again.
I cant find the acceleration needed to solve the problem. All i know is 200tons is equal to 200000kg. and I dont understand 2.5 degree grade. would it be 200000cos2.5 ... but then how do i get acceleration from there.

physics again.
A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?

physics
Two blocks, joined by a string, have masses of 6 and 9kg. They rest on frictionless horizontal surface. A 2nd string, attached only to the 9kg block, has a horizontal force = 30N applied to it. Both blocks accelerate. Find the tension in the string between the blocks.

physics uncertainty
experiment times: .15, .13, .16, .14, .15, .14, .15, .14 so i found the average to be .15 and the highest value was .16 the lowest value was .13 so what is the uncertainty? (in other words... .15 plus or minus what number?) please explain. thanks

physics please help.
how do you measure uncertainy?? for instance.. if the average was .15 and the highest value among the data was .16 and the lowest is .13... how do you find the +-??

DRWLS
the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why? I would say yes, the discrepancy is probably significant, because the measurements should agree to within less than thr...

physics
can you explain what you mean by three standard deviations? thanks

physics
the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why?

math
78x43+1

Psychology
i have a work sheet and i need help its psychology about neural communication

Physics
Consider a box in the back of a pickup truck. If the truck accelerates too rapidly, what happens to the box? Explain why this happens based on physical models.

Calculus
Find all points on the curve x^2y^2+2xy=3 where the slope of the tangent is -1. If there is more than one point, use a comma to separate each pair of coordinates

chemistry
URGENT!!! what is the chemical reaction of hyrodgen peroxide + NH3 ... The chemical formula and written formula!!

Science--Chemistry
URGENT!!! what is the chemical reaction of hyrodgen peroxide + NH3 ... The chemical formula and written formula!!

math
Write an equation of the line that passes through(6, -10) and is parallel to the line x = 5.

Math word problem
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...

IMPOSSIBLE ALGEBRA >:(
I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...

Honors English
If the librarian has archived any pictures or important clippings, where would you need to look to find them?

Humanities
Why were the goddesses important to early civilizations?

english
there were different bias and fallcies acts through-out this speech.

science
"Said to be solid as a rock, a joy to hold, and can help you see for miles?"

Science
Humidity is the amount of water vapor in the air at a given time. At warm temperatures, air can hold more moisture than it can at cold temperatures. Relative humidity is the amount of vapor the air is holding expressed as a percentage of the amount the air is capable of holdin...

math
3.671 _____ 3.67

Introduction to Health Care
what are the three issudes faced by aging population that are believed to be a problem

Finance
If the CORR between stock are as follows CORR(A,B)=.85 (A,C)=.60 (A,D)=.45 and expected return is 8% and standard deviation is 20% what would be the best portfolio and why?

econ
The FCC is planning to auction wireless spectrum rights, with the goal of maximizing the revenue that it receives from the auction. These rights will almost certainly be used to support wireless communications devices, such as cell phones, pagers, etc. The FCC hires your team ...

econ
The FCC is planning to auction wireless spectrum rights, with the goal of maximizing the revenue that it receives from the auction. These rights will almost certainly be used to support wireless communications devices, such as cell phones, pagers, etc. The FCC hires your team ...

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