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Posts by Adriana

Total # Posts: 133

Business Calculus
A company has operating costs of $2000 per thousand items produced. Its revenue function can be modeled by the equation: R(x)=30x/(x+2)² , where x is measured in thousands of items produced, and C and R are measured in thousands of dollars (so C(x)=2). 1. Determine the ...

Writing
no where

Physics
Four coulombs of positive charge flow from the +6 V positive terminal of a battery to the negative terminal at 0V. What is the charge in potential energy of the charge.

Math
Hey I Know The Answer.. Can I Help You??

Math
Whats The Math Problem?? Maybe I Can Help..!! :)

physics
lake point tower in chicago is the tallest apartment biulding in the united states (although not the tallest biulding in which there are apartments). supose you take the elevator from street level to the roof of the biulding. the elevator moves almost the entire distance at ...

chemistry
I think it's: aluminum + iron(III) oxide --> iron + aluminum oxide Fe2O3 + 2Al --> Al2O3 +2 Fe

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...

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...

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?

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

4th grade math
wat is an EG not egg but EG pattern?

9th grade
What are the similarities of ozone depletion and uv light

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

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 ...

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...

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

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

math
how do you ger the square root

science
list the bodies of water that collects rain when it falls?

geography
what is the capital of burkina faso?

1st grade
breakfast is served between 6:30am and 10:30am

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 ...

criminal justice
Describe how criminal resposability can be limited

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 ...

Math
So p = 3. I understand now. Thank you!

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?

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

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?

History
How did the Constitution address the failures of the Articles of Confederation?

Reading
beds of smelly animals - possesive rhyme for that?! stumped

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

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

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