Friday
March 27, 2015

Posts by katy


Total # Posts: 370

physics
A train is moving parallel and adjacent to a highway with a constant speed of 22 m/s. Initially a car is 69 m behind the train, traveling in the same direction as the train at 35 m/s and accelerating at 3 m/s 2 . What is the speed of the car just as it passes the train
January 19, 2011

reimbursement methodologies
nc_chick53.hotm
January 4, 2011

reimbursement methodologies
Really needs ALOT of help with this final exam!!! Someone please HELP! my e-mail is nc_chick53If someone could PLEASE help me
January 4, 2011

Trigonometry
The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!
December 26, 2010

Trigonometry
The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!
December 26, 2010

Trigonometry
The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!
December 26, 2010

english
metaphors for sports
November 30, 2010

Biology
What is the targeting pathway from translation until the protein reaches it's final functional destination for PFK and insulin? Choose from the following choices for each: a) golgi -> ER -> outside of cell b) ER -> golgi -> cytoplasm c) cytoplasm only d) ...
November 20, 2010

physics help!!
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at the rim of the wheel...
November 8, 2010

physics
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at the rim of the wheel...
November 8, 2010

physics
an astronaut rotates at the end of a test machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
November 8, 2010

physics
an astronaut rotates at the end of a test machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
November 8, 2010

physics
an astronaut rotates at the end of a tesr machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
November 8, 2010

math
What are the matrix used for?
November 7, 2010

math
What are the matrix used for?
November 7, 2010

math
What are the matrix used for?
November 7, 2010

math
What are the matrix used for?
November 6, 2010

Chemistry
In lab we determined the heat capacity of a calorimeter. The question is how would the heat capacity of the calorimeter be affected if the NaOH solution had been at 25 degrees Celsius and the HCl solution had been at 22 degrees Celsius when the two solutions were mixed? Would ...
November 1, 2010

business
an example of PEST analysis please
October 26, 2010

business
A PEST analysis of a company... answer please
October 26, 2010

Chemistry
What is the percent aluminum in a sample weighing 1.85 grams. If 35 mL of wet hydrogen gas was produced @ 24 degrees Celsius under a total pressure of 752 torr?
October 25, 2010

physics
A 50.0 kg gymast hangs vertically from a pair of parallel rings. If the ropes are supported so that they make an angle of 45 degrees with the ceiling, what is the tension in each rope?
October 19, 2010

math
When you multiply 4.7805 by 1000, you move the decimal three places over which would give you an answer of 4780.5.
October 19, 2010

technology
Why computers manufacturers constantly are taking out computers more faster?
October 17, 2010

english
a person who is professionally engaged in the analysis and interpretation of works of art. That's the definition, is that an answer?
October 15, 2010

Geography/History
Okay. Those are the ones I was thinking were true. And 6, but that one isn't true. But I always have to check with questions that I'm not so sure about. Thank you, Ms. Sue.
October 15, 2010

Geography/History
I'm pretty sure I know which ones are true. But I want to double check. Just to make sure.
October 15, 2010

Geography/History
Multiple select. The dissolution of the Union of Soviet Socialist Republics _____. 1) had no effect on the United States 2) affected nations throughout the world 3) reduced the number of Communist nations in the world 4) increased the number of Communist nations in the world 5...
October 15, 2010

Geography/History
Ahh, okay. Thank you. (:
October 15, 2010

Geography/History
Incidents of Basque violence are caused by their desire for _____. 1) educational opportunities 2) improved health care 3) increased wages 4) independence I think it is 4. I just want to know if I am right. help?
October 15, 2010

IPC
Thank you! I get it now. (:
October 13, 2010

IPC
The specific heat of gold is 0.031 calories/gram°C and the specific heat of silver is 0.057 calories/gram°C. If equal amounts of each metal are exposed to equal heating, which will heat up faster? The answers are: 1) The silver will heat up almost twice as fast. 2) The...
October 13, 2010

History/Geography
Thanks a bunch, Ms. Sue. I appreciate it. (:
October 13, 2010

History/Geography
20 More oil Tankers Attacked in Pakistan. I read the article on google, as assigned. The question is; what role does culture play in this event? And I'm drawing a blank. Any help?
October 13, 2010

IPC
which one of these is true? Which of the following statements is true? 1) The freezing and boiling temperatures of a substance are the same. 2) The freezing and condensation temperatures of a substance are the same. 3) The freezing and melting temperatures of a substance are ...
October 12, 2010

IPC
Oh, so you just set it up like a proportion? And thank you. (:
October 12, 2010

IPC
The latent heat of vaporization of water is 540 calories/gram. How many calories are required to completely vaporize 500 grams of water?
October 12, 2010

algebra
Given the function f described by f (x) - 12x, find each of the following: f(-11) f(12) f(29)
September 14, 2010

algebra
Given the function f described by f(x)=12x, find each of the following: f(0) f(-1) f(2)
September 14, 2010

maths
find w from the formula k=wa+b when k =30, b=6 and a=4
September 6, 2010

math
is the answer 3 ?
September 6, 2010

math
find w from the formula k=wa+b whn k=30, b=6 and a=4
September 6, 2010

Math
2.1
September 2, 2010

algebra
The function H described bu H(x)=2.75x + 71.48 can be used to predict the height in centimeters of a woman whose humerus is x cm long. Predict the height os a woman whose humerus is 36cm long.
September 1, 2010

simple math
if i simplify 8x^(1/3) the answer will be 2x ,correct?
August 21, 2010

5th grade
thanks alot ineed alot of help :)
August 16, 2010

Health Information
The ability to accurately predict yearly expenses was one reason that large companies decided to a. offer HMO programs b. enroll in managed care plans c. self-insure their employees d. offer medical spending plans
August 9, 2010

Health Information
Medicare and Medicaid financial issues put constraints on a. physician services. b. critical care centers. c. public hospitals. d. outpatient services.
August 9, 2010

Health Information
You started working for a private insurance company before the inception of managed care. You've been talking with your co-workers about how different reimbursement was in the past. You commented that before managed care, your employer reimbursed providers on a a. ...
August 9, 2010

Health Information
You own a company in a state where state funds aren't mandated for employee health insurance. What's one option for providing your employees with health care coverage for work-related injuries? a. medicaid plans b. referrals to other network groups c. medical savings ...
August 9, 2010

Law
Explain the subject matter jurisdiction of federal courts.
July 27, 2010

Law
Compare and contrast contributory negligence with comparative negligence.
July 27, 2010

Law
Which of the following is most pertinent in a legal or courtroom context? a. Patient's expectation of privacy b. Confidentiality c. Privileged communication d. Etiquette
July 27, 2010

health
Sally sues for malpractice, claiming she didn't know that the operation could have (and, in this case, did have) negative consequences. Your office has a copy of an informed consent form signed by Sally. Explain how this affects the case.
July 27, 2010

college
If Dr. Jones is practicing "defensive medicine," what is likely to be his motivation for doing so?
July 27, 2010

chemistry
54.8
June 28, 2010

Calculus (repost)
Use implicit differentiation to find dy/dx if cos xy = 2x^2 - 3y. I'm stuck on this problem because I'm getting thrown off on how to factor this. Here's my work so far: -{[(dy/dx)y + y]sin xy} = 4x - 3(dy/dx) -{[(dy/dx)y + y]sinxy} + 3(dy/dx) = 4x ...now what? Thx
May 31, 2010

Calculus
Use implicit differentiation to find dy/dx if cos xy = 2x^2 - 3y. I'm stuck on this problem because I'm getting thrown off on how to factor this. Here's my work so far: -{[(dy/dx)y + y]sin xy} = 4x - 3(dy/dx) -{[(dy/dx)y + y]sinxy} + 3(dy/dx) = 4x ...now what? Thx
May 31, 2010

Biology
What biogeochemical cycles go on in a tropical rainforest? Thank you!!
May 23, 2010

reading
this is for a crossword puzzle,a visitor to a new place,one on a tour?
May 11, 2010

physics
I have a Pressure in atm and a volume in liters how do i find the temperature in kelvins?? I know the formula pv=nRT works...but i don't know the number of moles so... I don't know what to do.
May 5, 2010

Physics
never mind. I made a silly error. i got .01804 moles...multiplied that times 4.03grams and then multiplied that times 1000 and got 72.7mg. got it! thanks so much!
May 4, 2010

Physics
so i got the answer to be .01804 moles and i know one mole of helium is 4.03 g do i just multiply the two together? and then divide by 10000 to convert g to mg?
May 4, 2010

Physics
doesnt that give me an answer in moles? ...is there a way to convert moles to mg?
May 4, 2010

Physics
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 373 K. If 15.0 J of work is done by the gas during this process, what is the mass of helium present? I am not sure what equations to use for this problem....
May 4, 2010

Physics
Having landed on a newly discovered planet, an astronaut sets up a simple pedulum of length 1.29 m and finds that it makes 567 oscillations in 1020 s. The amplitude of the oscillations is very small compared to the pendulum's length. What is the gravitational acceleration ...
January 7, 2010

Physics
Having landed on a newly discovered planet, an astronaut sets up a simple pedulum of length 1.29 m and finds that it makes 567 oscillations in 1020 s. The amplitude of the oscillations is very small compared to the pendulum's length. What is the gravitational acceleration ...
January 7, 2010

math
Why is (AB)^-1 = B^-1A^-1 in matrices, and not (AB)^-1 = A^-1B^-1
December 16, 2009

math
an extremely volatile substance, Ofnetite, has a half-life of 25 minutes. Find the percentage decrease of this substance in the first two hours.
November 8, 2009

math
OMG u are in watever grade and im in 6th and know how 2 do that!!!!
November 4, 2009

pre-algebra
twenty more than three times a number is -4.
November 2, 2009

chemistry
sorry i forgot some of the units in the initial posting 8.00g of NaOH are dissolved in water to make 4.00L of solution. What is the concentration of hydronium ions, , in this solution?
November 2, 2009

chemistry
8.00g of NaOH are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
November 2, 2009

chemistry
8.00 of are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
November 2, 2009

math
what's a prime number?
October 17, 2009

Math
Find the smallest postive integre that gives a remander of 2 when divided by either 3 0r 7, and gives a remainder of 3 when divided by 5.
September 26, 2009

Science
A set of controlled steps used to answer scientific questions is?
September 21, 2009

precal
could someone help me with this problem? find 2 postive and 2 negative coterminal angles of -(pi)/4
September 14, 2009

research writing
What would you do differently if your were just starting this course?
June 11, 2009

science
what is a website i can go on that is a website with enviromentally friendly prouducts and why?
April 23, 2009

science
talking
April 23, 2009

science
A. radiation
April 23, 2009

science
do you know any enviromentally friendly products, and why they are better for the earth?
April 23, 2009

Business Communication
D is the answer, subj is athletes, not one.
April 3, 2009

Math
for the deposit, use thsi as your equation: 1000(1+.07)^4 for the investment in RGF use this as your equation: 10000(1+.01)^6 Just plug them into a calulator to solve.
March 9, 2009

Algebra I - Answer check
2. a) 7^12/7^4 = 7^8 b)x^11/x^5 = x^6 c)12x^5/3x^2 = 4x^3 d)7x^6y^3/14x^3y = .5x^3y^2 5. a) (2x)^3(3x^2)^4 = 648x^11 b)(5x)^7/(5x)^4 = 25x^2 c)(2x)^5/-8x^3 = -4x^2 d)(4x^2y^5)(-3xy^3)^3 = -12xy^4 6. How long does it take light to travel from the Sun to Earth? Answer to the ...
March 9, 2009

algebra 1
Determine whether each trinomial is a perfect square trinomial. x^2-16x+64
March 9, 2009

Algebra I
thank you
March 3, 2009

Algebra I
Match expressions from this list that are equivalent but written in different forms. There can be multiple matches. I know that there is a group of 3, and a group of 2, matching expressions. Here are the expression-I need help figuring out how to go about this. a.) (2x^2)^3 b...
March 3, 2009

algebra 1
the terms a and b are being added. Since they are being added, and aren't the same variables, they cannot be factored.
March 3, 2009

Math
...what were your coordinates?
March 2, 2009

Algebra I
oh-wow.totaly mind blank there-thank you for answering my question. After reading it a while i finally got it! Thanks again
March 2, 2009

Algebra I
I guess i can try to clear it up. Sorry. So I'm adding the exponents of 1 for EACH variable/base x. That'd make it x^2. Okay, so if i have to rewrite the equation with just one exponent, then would i put the x^2 after JUST ONE of the coefficents? Like this: 4x^2(3) or ...
March 2, 2009

Algebra I
If i have two base variables with exponents for example: 4x(3x) After getting x^2-would i have just ONE variable base? i.e. 4(3x^2) or place the exponent on BOTH variable bases like this: 4x^2(3x^2)? Thanks!
March 2, 2009

ALGEBRA
Divide -272 by 2. Then check your work. THEN, make sure that when you add them, they equal two. If not, then you either did the math wrong, or my method is wrong. Either way, good luck.
March 2, 2009

Algebra
i go with y=mx+b. just plug in a point on the line, try to get a solid number, no decimals, and postive if possible. If not that's okay. Then plug in your slope and solve for b. So using (7,0) your equation should look kinda like this: y=mx+b 0= -8(7)+b ....that doesn'...
March 2, 2009

Algebra I
whoops, meant to post that as a question. just...disreagard that last comment please, and Thanks Reiny. Sorry-it's a very late Monday for me.
March 2, 2009

Algebra I
If i have two base variables with exponents for example: 4x(3x) After getting x^2-would i have just ONE variable base? i.e. 4(3x^2) or place the exponent on BOTH variable bases like this: 4x^2(3x^2)? Thanks!
March 2, 2009

Algebra I
(-4m^3)(2m+m^2) I have to use the property of exponents to rewrite the expression. I'm just asking if -3^6 is right. (we don't have to solve it--just simplify it) Thank you!
March 2, 2009

english 1 honors
ok thats what i was thinking. thank you so much :-)
February 26, 2009

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