Thursday
May 26, 2016

Posts by Adriana

Total # Posts: 126

Chemistry
1) The structure of graphite is very unlike any other substances. It is composed of sheets of carbon atoms, and each of these is bonded to only three other atoms. This leaves the fourth valence electron of the carbon atom delocalized, which means it is free to move between the...
December 5, 2010

Physics
A man uses a pulley arrangement to lift a heavy crate.He applies a force that is one-fourth the weight of the crate, but moves the rope a distance four times the height that the create is lifted. Is the work done by the man greater than, equal to, or less than the work done by...
November 14, 2010

Physics
A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the acceleration of the block?
July 14, 2010

geometry
i need to find the area of the trapezoid 8cm,7cm,3cm,45degrees
May 27, 2010

4th grade math
wat is an EG not egg but EG pattern?
May 9, 2010

9th grade
What are the similarities of ozone depletion and uv light
March 8, 2010

Algebra
Thank you :D That really cleared it up! I never had anyone explain that concept so well before.
October 28, 2009

Algebra
I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2 and the sq. root canceled each other out, so I was left with x + sq. root of 1. But my book got sq. root of x^2+1. Was the further reducing I did ...
October 28, 2009

Algebra
I distributed 3x^2+x-10=f(x) to find the zeroes. My book's answer was (3x-5)(x+2). When I distributed this to make sure I got the original function, I got 3x^2-x-10. Is this still an acceptable way to factor it even though the x is negative instead of positive as it should...
October 25, 2009

Algebra for Reiny/Bob
The way my book has it is (1/2x^3)-x. Sorry for the confusion
October 25, 2009

Algebra
How do you factor 1/2x^3-x so that the zeroes can be found? Thank you-Adriana
October 24, 2009

math
how do you ger the square root
September 16, 2009

science
list the bodies of water that collects rain when it falls?
May 4, 2009

geography
what is the capital of burkina faso?
March 16, 2009

1st grade
breakfast is served between 6:30am and 10:30am
March 13, 2009

Math (not specific knowledge, just research)
For math class, we are planning an indoor carnival. We need to figure out the size of each exhibit and vendor, and make sure all of them fit into the space. We can choose any large indoor space we can think of. I did some research online and chose the Pennsylvania Convention ...
March 11, 2009

criminal justice
Describe how criminal resposability can be limited
March 1, 2009

physics
A tennis ball has a velocity of 25 m/s and a mass of 57.5 g. After the ball hits a tennis racket, the velocity becomes twice that of the original speed and goes in the opposite direction. What is the force between the ball and the racket if the time that they interact is 0.07 ...
October 19, 2008

Math
So p = 3. I understand now. Thank you!
October 11, 2008

Math
How would you go about solving this one, though: 3p - 8= 13 - 4p Would you subtract the 13 from the 8 first and then add 4p to the 3p?
October 11, 2008

Math
I need help on how to solve equations with variables on both sides. 1. 30=8 - 2x 2. 98 - 4b= -11b 3. 3p - 8= 13 - 4p 4. 9 - 2y/7 = y 5. 1/3(12 - 6x) = 4 - 2x
October 11, 2008

Science
A scientist is trying to discover a new treatment to stop cancer cells from dividing. In the cancer cells, which of these processes will stop if the treatment is successful?
September 14, 2008

History
How did the Constitution address the failures of the Articles of Confederation?
December 10, 2007

Reading
beds of smelly animals - possesive rhyme for that?! stumped
December 4, 2007

MGMT640
Given the following information, calculate the return on equity for Chaus, Inc. Return on sales = 5% Total asset turnover = 2 Debt ratio = .73
November 15, 2007

MATH
how do you make a circle graph?what are the steps?i am a grade 7 student,I need help. Thanks
October 29, 2007

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