Thursday
October 30, 2014

Posts by barbara


Total # Posts: 281

teaching math
Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not divisible by 3. Therefore the...
June 6, 2009

teaching math
Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion. If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not divisible by 3. Therefore the...
June 6, 2009

us
Ben this is an opinion paper!!!!! Do the research on Dr. King and Malcolm X and determine which on YOU feel is the better leader.
March 30, 2009

Math
20 cm equals how many mm?
March 30, 2009

history
It appears to me as if you want others to do your work for you. You obviously have access to a computer - use it!!! By the way, what grade are you in? This may account for your not being aware of the amount of resources available to you. However, since your questions are ...
March 24, 2009

PC Basics
Which one of the following is most directly related to the quality of your printer’s output?
March 24, 2009

Professional communications
Define and discuss the similarities and differences between routine and positive messages, negative messages, and persuasive messages.
March 16, 2009

ethics
About the subject that everyone is talking about. I'm glad we finally got a president of a different ethic background. "Yes, I do feel he hasn't really helped us yet besides making everyone get medical coverage even if we can't afford it, letting our troops ...
March 16, 2009

medical
should corrections be date and time stamped and why?
March 15, 2009

3rd grade math
In estimating- what is the counting-up method and the trade-first method?
March 12, 2009

word problem
400
March 4, 2009

College Algebra
An employer has a daily payroll of $1225 when employing some workers at $80 per day and others at $85 per day. When the number of $80 workers is increased by 5% and the number of $85 workers is decreased by 1/5, the new daily payroll is $1540. How many were originally employed...
February 27, 2009

Calculus
Ummm because I wasn't looking for help from you and of course I'm going to say Thank You because i have manners unlike you you don't have any and you don't address people that's looking for help form you like that so Goodbye and Have a nice day
February 16, 2009

Calculus
oooo okay Thank You
February 16, 2009

Calculus
but why does v=(1/2)e^2t
February 16, 2009

Calculus
Thank You Damon, Reiny and Drwls for your help
February 16, 2009

Calculus
Excuse you that DUH is not necessary and if I could use the calculator I would have used it but my teacher did not teach me to how to use the calculator for this so please mind your business
February 16, 2009

Calculus
Find the indefinite integral (integral sign) 3te^2tdt
February 16, 2009

math
Please help. the question is: Estimate the quotient. Tell what compatible numbers you used 817 divided by 4
January 15, 2009

calculus
Um I still don't get it because that hint was the derivative and I asked for the anti-derivative of square root x
January 14, 2009

calculus
Oh pardon me i meant to ask what is the anti-derivative of square root x
January 14, 2009

calculus
Oh pardon me i meant to ask what is the anti-derivative of square root x
January 14, 2009

calculus
Oh now I see Thank You
January 14, 2009

calculus
What is the derivative of square root x ?
January 14, 2009

calculus
I got 7 but the answer in the book says 21
January 8, 2009

calculus
the integral sign where 4 is on top and 2 is at the bottom (x/2 + 3)dx and im trying to find the areas to evaluate the intrgral
January 8, 2009

12th grade
oh okay well Thank You for you help I will ask my teacher how to solve this tomorrow
January 6, 2009

12th grade
the velocity v(t)= 2t + 1
January 6, 2009

12th grade
I copied the problem out of my textbook
January 6, 2009

12th grade
so t less than or equal to 0 is invaild
January 6, 2009

12th grade
oh okay Thank You
January 6, 2009

12th grade
so my answer would basically be 20
January 6, 2009

12th grade
Calculus
January 6, 2009

12th grade
A particle starts at x=0 and moves along the x-axis with velocity v(t)=2t+1 for time t is less than or equal to 0. Where is the particle at t=4?
January 6, 2009

calculus
Okay Thank You
January 3, 2009

calculus
This is my last question, when I usually get problems like this the volume would be there and I would be able to solve it but this question is very confusing. A spherical iron ball is coated with a layer of ice of uniform thickness. If the ice melts at the rate of 8mL/min, how...
January 3, 2009

calculus
Thank You
January 3, 2009

calculus
Well I am in AP Calculus and I don't understand the class to well.
January 3, 2009

calculus
The position of two particles on the s-axis are s1= cos(t) and s2= cos(t+(symbol for pie)/4) a. what is the farthest apart the particles ever get? b. when do the particles collide?
January 3, 2009

calculus
ooo okay Thank You
January 3, 2009

calculus
Okay but now I'm confused because when I find the derivative of the volume I get dv/dt=2s(ds/dt) then I don't know the rest because I have to find the derivative for 108/4s -s/4 which equals to h but what would be its derivative?
January 3, 2009

calculus
Excuse me the volume equation for this problem is V=s^2 h?
January 3, 2009

calculus
Okay Thank You again
January 3, 2009

calculus
What do you mean by with respect to zero?
January 3, 2009

calculus
Thank you very much
January 3, 2009

calculus
Find the dimensions of the largest open-top storage bin with a square base and vertical sides that can be made from 108ft^2 of sheet steel. (Neglect the thickness of the steel and assume that there is no waste)
January 3, 2009

calculus
Okay Thank You I think I got the answer
January 3, 2009

calculus
After wouldn't it be x+y^3-3e^(3x)=2y(dy/dx)-3y^2(dy/dx)?
January 3, 2009

calculus
Ooo Okay and then after don't you bring all the (dy/dx) to one side of the equation.
January 3, 2009

calculus
I have the rest but where did y^3 come from?
January 3, 2009

calculus
yes
January 3, 2009

calculus
I am trying to find the derivative
January 3, 2009

calculus
xy^3-e^3x=y^2
January 3, 2009

Math
a.2,050 is what percent of 500? b. Estimate 41.2% of 2,500
November 12, 2008

CTR 205
Exercise 7-9 Given the premises, discuss whether the conclusion of each argument that follows is (a) true beyond a reasonable doubt, (b) probably true, or (c) possibly true or possibly false. You should expect disagreement on these items, but the closer your answers are to ...
November 12, 2008

literature
What is material culture in book ROBINSON CRUSOE by Daniel Defoe? Please give some example.
November 2, 2008

math
True or False. A data set resulted in a regression equation of Y = 17.08 - 1.16x From the equation we can determine that the X variable is directly related to the Y variable.
September 14, 2008

Critical Thinking
1. Apple polishing 2. Scare tactics 3. straw man 4. wishful thinking 5. perfectionist fallacy 6. poisoning the well 7. "Argument" from outrage 8. Inconsistency ad hominem 9. hasty generalizing 10. red herring/smokescreen 11. post hoc 12. guilt trip 13. argument from ...
August 6, 2008

Buiness
The Excel file contains a WBS for a proposal to implement a PMO. Convert the WBS into a project plan. WBS for PMO Quick Start-Up Effort and Schedule (Estimates and Actual) Tasks to be Performed Actual Hours Estimated Hours Actual (Week-wise) Plan (Week-wise) Tasks Task ...
July 26, 2008

HHS 235 legal and ethical issues in HHS
Compare and contrast the role that ethics and laws play within an organization.
July 25, 2008

Marketing
This is how someone decides to buy the product, not the seven phases of product development..those are :Idea Generation, Idea Screening, Concept Development and testing, Business analysis, Beta or Marketing testing, technical implementation, and finally, commercialization.
July 23, 2008

science- need some help
Power Pointpresentation that describes environmental benefits and challenges of urbanization. In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation
July 4, 2008

social studies
what is the difference between democrats and republicans?
February 6, 2008

science
The nucleus is located at the core, or center.
February 6, 2008

essay help
Hi William, I see your full question. Do you know what countries your ancestors came from?
February 6, 2008

cultural diversity
were Irish Immigrants to United States faced with environmental justice issues, redlinig, affirmative action, dual labor market, institutional or reverse discrimination, and double jeopardy?
January 21, 2008

cultural diversity
did Irish immigrants face glass ceiling, glass walls or glass escalator in the United States?
January 21, 2008

SPANISH - MATH
Need the two sentences translated, not answered, just translated: Hay 70 personas esperando en fila para comprar boletos para un concierto. Cuando se acaban los boletos todavia quedan 31 personas en la fila. ¿Aproximadamente cuántas personas consiguieron boletos...
November 12, 2007

Spanish-Math
I need to be able to help my 8 year niece with her homework. I don't know Spanish. Need to have these questions translated, not answered. Can you help? Q1: Myra Compra una pecera y algo de equipo. Gasta $59 en la pecera, $125 en la bomba de aire y $38 en la lampara. &...
November 1, 2007

integers
-26 + (-13) rewrite each expression without double signs then simplify
October 25, 2007

physics
how much (in kilograms) does a house key weigh?
October 18, 2007

sentence revision
October 22, 2007 Ms. Amanda M. Willis 53 Pendell Rd Poughkeepsie, NY 12601 Dear Ms. Willis: We appreciate your interest in employee’s leasing through US Staff Network. Our programs and services have proved to be powerful-management tools for business owners. Our 17-year ...
October 1, 2007

business
How should this sentence be hyphenated? As the number one credit union owned and operated EFT network and processor in the country, ... Since this is not my area of expertise, I searched Google under the key words "hyphenation" to get these possible sources: http://...
May 15, 2007

math
help my daughter has a math problem and came to me for help, I am lost.... what is the gcf for the following trinomial? x^3-18x^2+28x I am assumming you are trying to factorise we can simply take out an x to give: x(x^2-18x+28) the quadratic will not factorise simply but if ...
February 22, 2007

science
explain the everyday phenomena in term of atomic structure and behavior when you lightly bump into a car, why does it dent and not create a hole? Although this is not my area of expertise, could there be some explanation in terms of molecular cohesiveness? Possibly the energy ...
February 1, 2007

science
How do i calculate how much time it takes to heat water? All I know is the power supplied and the energy required. Thanks power= energy/time Power*time= energy you know the energy, you know the power, solve for time. time(in seconds)= energyinjoules/powerinwatts. so if the ...
January 16, 2007

Spanish
wher are you all from?
December 13, 2006

Religions of the World
How has modern civilization impacted the spritual lives of the indigenous people? Are indigenous religions still practiced today? If so how have the practices changed over time? These questions are WAY too broad to answer intelligently. You need your teacher or someone to post...
October 2, 2006

language
Write a simile using met. The New York Met is like a fantasy land of human beauty.
September 7, 2006

orientalism of muslim and arab american
In reading I understood Orientalism as being a westerner writing about a people they did not know or understand. How important religion, government,and raising their children were unimportant because, the westerners had made up their minds before they started writing that all ...
August 6, 2006

physical science
what is the difference between a balance and a graduated cylinder
September 3, 2005

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