Thursday
October 27, 2016

# Posts by dd

Total # Posts: 155

college Chemistry
what is the amount of heat lost in KJ for 50 ml of water going from 70.0 degrees C to 1.0 degrees?
July 1, 2010

physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.5 m/s2. The magnitude of the car's velocity at the end of stage...
May 26, 2010

algebra
How do you find any x-intercepts and y-intercepts. If no x-intercepts exist, state this. g(x)=2x^2+3x-1
April 24, 2010

Chemistry II
What is the vapor pressure of benzene at 23◦C (about room tempera- ture)? The normal boiling point of benzene is 80◦C and its molar heat of vaporization is 30.8 kJ/mol.
February 4, 2010

french
what does this mean in english ecris la partie correcte d,aller apres chaque nom ou pronom
November 24, 2009

WHAT IS A PUZZLE
September 24, 2009

So the funtion is: x^2(x - 7)(x + 3 - 5i)(x - 3 + 5i) For it to have rational coefficients, you must get rid of the -3 + 5i term. Therefore the remaining zero is: 3 - 5i so your answer would be (C)
July 22, 2009

math
solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20
July 22, 2009

math
you know you are right i did forget to change the symbol sorry so the answer is x>40 or x >-40 because negative and negative is negative i'm i right.
July 21, 2009

math
Solve -0.6x < -24 x=-40 the solution is {x|<-40} do it have it right!!!
July 21, 2009

math
can you check if i have this one right 0.6x+2=1.4x-1 my answer is ¡Ý 3.75 im i correct
July 21, 2009

math
solve using the multiplication principle. -1/2x=-3/4
July 21, 2009

math
0.6x+2 ¡Ü 1.4x-1
July 21, 2009

alegbra
translate to an algebraic expression the product of 37% and some number
July 21, 2009

Algebra
evaluate z+y/9 for z=62 and y=10 z+y/9=
July 20, 2009

math
8x=-72 i divided on each side and my answer is x=-9 i'm i right by the way thanks
July 20, 2009

math
Determine whether (-2,-1) is solution of 7x+6y=-3
July 20, 2009

science
how many tornados dose ohio average
March 17, 2009

science
Thank you.
March 7, 2009

science
what site would i go to to summerize the climate changes that have accured from the past to the present and predict what you think the Earth will look like into the 21st. century????
March 7, 2009

human services
Thank you!
March 4, 2009

human services
I am to identify the needs and expectations of P.E.A.C.E domestic violence agency in human service plan, can anyone suggest a web site that I might read and learn these identities and name the different types of stakeholders.I want to check out other sites other than my class ...
March 4, 2009

human services
I had planned to write a program plan for my human service project. One of the things I need to know is what is elements and how would I use these elements to make an effective program plan. If I could find a web site that would give me enough information then I can go from ...
February 25, 2009

human services
I need help with identifying the elements of an effective program plan through out an evaluation
February 25, 2009

MATH
I REALLY NEED HELP CAN YOU HELP ME PLEASE
February 21, 2009

spanish sra jmcguin
see gfhdthis hgddis hfjdjcdeasy fdsjfl;saspainish
February 21, 2009

To: dd -- human services
yes thank you!
February 18, 2009

To: dd -- human services
What I have learned about the multimedia is the ways that the human service can use information to deliver to their clients. Pamplets, vedeos, and the interactions between the communities and the people in them. I may not be saying this right, so this is why I need some help. ...
February 18, 2009

wont me to show u
February 9, 2009

Math
i need to check my answers for my THA #27
January 7, 2009

I LOVE MATH
December 2, 2008

government
Why is the president more successful in foreign policy? This difference narrowed from 1965 to 1975 (55% foreign policy to 46% domestic policy). What explains the president’s poorer recent performance in foreign policy?
November 22, 2008

One of the problems of liberty is that one person’s liberty sometimes conflicts with another’s liberty and one must take precedence. How would you resolve the following conflicts between rights of the individuals and why? [h] Fountain Valley High School has 80% ...
November 10, 2008

chemistry
r3r3r44
August 30, 2008

Criminology
I'm just not sure where to begin. Who's an interesting gang or person to do this assignment on.
April 2, 2008

Criminology
Help, I don't know where to begin. Your supervisor would like you to do some research in preparation for an article regarding the application of modern theories of criminal thinking and criminal behavior of famous criminals in American history to be submitted to ...
April 2, 2008

chemistry
so all you need is that.
March 29, 2008

math
Folow the equation a squared + b squared = d squared
January 15, 2008

algebra
thats an example of your assignment, your suppose to come up with your on real life application. I'm in this class also.
November 23, 2007

English
Can somesome read this for me and give me any feedback that's necessary. The first paper that I wrote was a narration paper this paper deals with joining a series of events within the first paper that I wrote I walk you through how you really cant trust in a professional ...
November 23, 2007

English
Can someone please read this paper and give me any feedback to help improve this paper. I'm not good at writing papers. Thanks In 2005 the Dial Corporation announced that it would be laying fifty people off for the needs of the business. the fifty people were permitted to ...
November 23, 2007

English
Can somebody proofread this and tell me if its okay. The day was October 30, 2005 I went work at the Dial corporation like any other day. Little did I know that this would be unlike any other day that I had ever worked in all the four years that I had been with this company, ...
November 23, 2007

English
Choose three items from the list below. Define your three chosen errors. Write two sample sentences for each choice: one that demonstrates the error and one that corrects the error. In a paragraph, describe how you plan to improve these areas in your writing during this class...
November 14, 2007

CHEM
I tried 8.6*10^-2 & well...it didn't work & now I have exceeded all attempts. Thank you for your help, however. I am not just sure what the question was really looking for. I will attempt to ask my prof if I get the chance. Perhaps it has something to do with the kg's...
October 1, 2007

CHEM
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of this coal. (A metric ...
October 1, 2007

chem
tried this & the % of S in sulfuric acid = 32.7%. However, when I worked 1.1ton/0.0255*100/0.327 I got:13191.82107. The question says to give to 2sig figs. I entered 1.3*10^4, but said that it was incorrect. Any other suggestions...or did I just enter the numbers incorrectly?
October 1, 2007

chem
I tried this & the % of S in sulfuric acid = 32.7%. However, when I worked 1.1ton/0.0255*11/0.327 I got:13191.82107. The question says to give to 2sig figs. I entered 1.3*10^4, but said that it was incorrect. Any other suggestions...or did I just enter the numbers incorrectly?
October 1, 2007

chem
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of this coal. (A metric ...
October 1, 2007

math
754/9471
December 11, 2006

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