Friday
December 19, 2014

Posts by Rachel


Total # Posts: 1,257

social studies
some workers specialized in fishers,tailors ,printors,or what?
May 17, 2009

Chem. Again
28: You have a glass of pure water. Are chemical reactions occurring in the water? If so, what are they? If not, explain why not. 29: While investigating the effects of acid rain in your area, you discover a lake that is surprisingly resistant to changes in pH caused by acid ...
May 12, 2009

Chemistry...Help?
I've been trying to understand these two questions and I've re-read my textbook a dozen times but I still get confused. 27, A: Which is a stronger acid - sulfuric or carbonic acid? (Answer: Sulfuric acid.) 27, B: Imagine you have two glasses. One contains a solution of...
May 12, 2009

Characteristics of Interpersonal Communication
I am not understanding where to start on this or what is really being ask of me to do i feel the syllabus says one thing then appendix b says another. can someone help me
May 5, 2009

9th grade
y/6>y/12+1
May 3, 2009

math
David and Peter had $90 and $200 respectively. They were each given an equal amount of money. Then Peter had twice as much money as David. How much money did each boy receive?
April 18, 2009

7th grade input/output patterns
I am looking for the same thing,but don't go onto edhelper because they have nothing.
April 17, 2009

Health
At what point during the course of treatment of a new patient should notice of use and disclosure of health information, required under HIPAA, be given and why?
April 14, 2009

Health
Explain the subject matter jurisdiction of federal courts.
April 14, 2009

Health
What is res ipsa loquitur and what does it mean?
April 14, 2009

Health
If either contributory or comparative negligence doesn't exist anymore how would you be able to compare and contrast them?
April 14, 2009

Health
Compare and contrast contributory negligence with comparative negligence.
April 14, 2009

Health
If HIPAA rules are stricter than state law, which standard should you follow and why? What if the state law was stricter?
April 14, 2009

Electronic Engineering
What are the advantages and disadvantages of using a cause register or vectored interrupts from a hardware point of view.
March 30, 2009

Math
Let S = {Barnsley, Manchester United, Southend, Sheffield United, Liverpool, Maroka Swallows, Witbank Aces, Royal Tigers} be a universal set, A = {Southend, Liverpool, Maroka Swallows, Royal Tigers}, and B = {Barnsley, Manchester United, Southend}. Find n((A B)').
March 26, 2009

Energy
is the world running out of energy?
March 26, 2009

Trigonometry
How do you proove the identity tanxsin2x = 2-2cos^2x
March 19, 2009

6th grade
Do you have online readings and questions for my son, who is in 6th grade? I see lesson plans, but I don't see the information to give out. Please let me know about this, thank you.
March 19, 2009

statistics
a survey is to be conducted to determine the proportion of U.S. voters who support additional aid to African nations to fight poverty and HIV/AIDS. Of the proposed sammple sizes which is the smallest that will guarantee a margin of error of no more than 4% for a 90% confidence...
February 28, 2009

trig
how?
February 23, 2009

trig
sin^4 x = (3-4cos 2x + cos4x)/8 prove on one side please!
February 23, 2009

Biology
Where and how are tree seedlings raised?
February 15, 2009

Science
If a block could be molded into a flatter and longer shape, then which one would happen and can you explain? a. mass, volume, and density all would change. b. volume would change, but the mass and density would remaine the same. c. mass and volume would change, but the density...
February 12, 2009

math
if the answer is "start at (0,0) and move 3 units to the right, " what is the question?
February 8, 2009

10th grade English
The diffrence in your audiences religion is based on thier beliefs and how your explaining to them that you in a way are against them.The Jewish faith is one that is very strict and is not a strong supporter in women choosing their own destiny.Any other audience would proubly ...
February 3, 2009

8th grade
Go with number 3
February 2, 2009

chemistry
I got 51.5?
January 24, 2009

Point Slope Form Algebra
What is the difference between Y1=MX1+B and Y=MX+B
January 20, 2009

Calculating Charge on a Polpetide
10) What is the charge on the peptide CHEMISTRY at pH 8.3?? How would you go about this?Look at the ionizable groups? Thanks, Rachel
January 19, 2009

science
What are the two major functions of the appendicular skeleton?
January 18, 2009

science
How has a fly adapted to live in the desert?
January 15, 2009

Algebra help 2
name the property shown by the statement below 8+4*3-8+3*4
January 6, 2009

Algebra
On its first three plays in a football game, the offense gains 6 yards,loses 5 yards, and then gains 7 yards. Write an equation that could be used to find y, the number of yards needed on the fourth play for the overall 10-yard gain required for the first down. Could you ...
January 6, 2009

6th grade Math
your poopy butthole!!! i kicked your dog?
December 18, 2008

Chemistry
what is the name for the following coordination compounds or ions? 1. [Al(H2O)6] Br3 2. [Cr(NH3)6] Cl3 3. K3[FeF6] 4. [Zn(OH)4]-2
December 4, 2008

Anatomy and Physiology
Which of these two options demonstrate irritability and conductivity and thus transmit electrical messages from one area of the body to another area? 1. neurons 2. neuroglia
December 1, 2008

earth comm fluid and spheres science
can someone explain the relationship between ocean circulation patterns during an el nino event and atmospheric circulation?
November 29, 2008

Science
Ferns produce male gametes in what?
November 11, 2008

History
Thank you!
November 9, 2008

History
Who were the midnight judges in America during the 1800s? Also, can someone please explain the cause of Marbury vs. Madison and what the effect of Marbury vs. Madison was? Thank you.
November 9, 2008

physics conservation of momentum
yeah i kno how to calculate those 2. i got 5 and -5... so is momentum conserved? because change in momentum would be 5 - (-5) = 10 but some ppl are telling me momentum is conserved because they are the same values.
November 8, 2008

physics conservation of momentum
A 0.5 kg ball is thrown horizontally towards a wall with a speed of 10 m/s. The initial velocity is chosen to be the positive x-direction for this question. The ball horizontally rebounds back from the wall with a speed of 10 m/s in the negative x-direction. What is momentum ...
November 8, 2008

Physics
how come for part a. when i solve for Vf (which becomes V0 of the projectile motion), i get a negative value.. since i got this equation... 1/2ks^2+mgh+1/2mv^2 = 0 solving for v.. i get v = sqrt(-(2gh-ks^2/m) thats what is confusing me. so im not shure if i did it correctly.
November 7, 2008

Physics
A child's game consists of a block that attaches to a table with a suction cup, a spring connected to that block, a ball, and a launching ramp. By compressing the spring, the child can launch the ball up the ramp. The spring has a spring constant k, the ball has a mass m, ...
November 7, 2008

physics
a spring with spring constant k= 100N/m is at its equilibrium length a) how much elastic potential energy is stored in the spring? b) the same spring is stretched so that it is 6cm longer than it was. How much elastic potential energy is stored in the spring now? c) a ...
October 30, 2008

French
I have to write a short paragraph about where I have already traveled. Can someone check this for me? J’ai déjà allé à d’autres états des Etats-Unis et le Mexique. J’ai allé au Californie, l’Utah, Le Colorado, L&#...
October 27, 2008

Science
Explain what happens in the eye of the storm. Why can you survive the eye of the storm if you are inside and have shelter but instantaneously freeze if you are outside?
October 23, 2008

Chemistry!!!
Why does the ionization energy of Ca+ greataer than K even tho they have the same amount of e- why does Na have a relatively simple atomic spectrum while Cr has a very complex one?
October 22, 2008

Chemistry
Why do bromine and iodide have similar chemical properties?
October 22, 2008

english
In the following passage, a linking device has been omitted. Choose the word that would make the passage coherent: __ this technique won’t work for everyone, it helps many people get a good cache of ideas to draw on. 1. However 2. Although Please help with the question I ...
October 19, 2008

english
Rewrite this sentence into the active voice by filling in the blank: ORIGINAL: The agency conducted an investigation into the matter. REVISED: The agency __________ the matter. ORIGINAL: Attempts by economists at defining full employment have met with failure. REVISED: ...
October 19, 2008

english
Rewrite this sentence into the active voice by filling in the blank: ORIGINAL: The agency conducted an investigation into the matter. REVISED: The agency __________ the matter. ORIGINAL: Attempts by economists at defining full employment have met with failure. REVISED: ...
October 19, 2008

12th calculus
find dy/dx by implicit differentation and evaluate the derivitave at the given point: (x+y)^3:x^3+y^3 point=(-1,1)
October 16, 2008

ict
which data type would you use for a telephone number
October 16, 2008

Physics
Suppose you press a book against the wall with your hand. The book is not moving and you are pushing horizontally. Now suppose you decrease your push, but not enough for the book to slip. What happens to each of the following forces? DO they increase in magnitude, decrease, or...
October 16, 2008

math
pls..help me about this common monomial factor. how to solve it,and how can i use the short method. thank you. :)
October 14, 2008

9th grade
how do i solve this equation with variables on both sides-the sequel 3(5y=2)-y=2(y-3)
October 13, 2008

Social Studies
I need help with my homework........... this is the question........... Are monsoons a blessing or a curse for the subcontinent?
October 7, 2008

Chemistry/physics
The question is calculate the average kinetic energy of CH4 molecules in a sample of CH4 gas at 263K. What formula should i use when you say "use temp"
October 5, 2008

Chemistry/physics
instead of what?
October 5, 2008

Chemistry/physics
Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i dont know the mass or the velocity....
October 5, 2008

World History
Thank You!
October 5, 2008

World History
haha, thats fine one more question.. the king didnt follow the magna carta but the people did right? and then that led to the creation of the Bill of right so who created the Bill of rights?
October 5, 2008

World History
Thank you so much that was exactly what I was looking for :]
October 5, 2008

World History
How did the Magna Carta and the Bill of rights lead to a change in goverment.
October 5, 2008

Chem/Physics
Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i dont know the mass or the velocity....
October 5, 2008

Spelling
k thnx guys! =)
October 2, 2008

Spelling
deck is to ornaments as a. equip is to pharaphernalia b. furnish is to references c. safeguard is to valuables d. salvage s to remains e. pack is to belongings
October 2, 2008

Integrated Algebra
How to solve common monomial factor? like this ex: 1.) x2y+x2y2=x2y 2.) 2a+2b 3.) 3b-9b2-12a
September 30, 2008

Social Studies
How does attending school benefit both the student and the government?
September 29, 2008

Basic Calculus
How do you graph f(x)=sqrt(a^2-x^2)? how do you graph f(x)=0, if x is rational and f(x)=1, if x is irrational? I need to know how to graph them by hand, not on a calculator. Thanks in advance.
September 13, 2008

MATH PLEASE HELP!
Solve each system 3x+2y= -2 9x- y= -6 I know how to solve for x but i get really lost trying to figure out how to solve for the second variable
September 11, 2008

Algebra 2
Solve each system 3x+2y= -2 9x- y= -6 I know how to solve for x but i get really lost trying to figure out how to solve for the second variable
September 11, 2008

english
apples books
September 3, 2008

home economics
what foods have calcium in them ?
August 29, 2008

honors geometry
the locations of the participating towns on the map are Curtis(0,0), Clearfield(10,2,), Buster(5,7), Angel City(1,4) which of the following planned routes is nearest to the 26.3 mile requirement? a> curtis to clearfield to angel city to curtis b>curtis ti clearfield to ...
August 24, 2008

math
for function operations: If f(x) = x^2 -4 and g(x) = [square root of] (2x+4) g(f(a+2)) ---> then x^2 - 4 +2 x^2 - x [square root of] (2(x^2 - 2) +4) = x [square root of] 2 wher does 'a' come from?, but is that right?
August 23, 2008

math
i'm looking at another one, and i don't know where to start: x^3 - 2x^2 - 4x +8 hmm, cause u can't pull and x out, no quadratic . . .???
August 23, 2008

math
I'm not exactly sure how to factor cubed roots: 8x^3 - 1 = (2x)^3 - 1 that's what i get; can it be simplified anymore?
August 23, 2008

math
I need help what units are used when talking about area?
August 7, 2008

Mat 116
In 1990, the life expectancy of males in a certain country was 64.7 years. In 1994, it was 68.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is E(t)= ___t + ____ (round to ...
August 2, 2008

English
I am doing well in my class but having trouble with a particular assignment. I don't really understand bias, fallicies and rhetoric. Here is my assignment, any help or enlightenment would be appreciated. I am not asking for my assignment to be done for me, I am just having...
July 27, 2008

English
I am doing well in my class but having trouble with a particular assignment. I don't really understand bias, fallicies and rhetoric. Here is my assignment, any help or enlightenment would be appreciated. I am not asking for my assignment to be done for me, I am just having...
July 27, 2008

MATH HELP!
Help with any of these would be greatly appreciated! THANK YOU! 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2. where h(d) ...
July 24, 2008

Math help
Help with any of these would be greatly appreciated! THANK YOU! 1. How would i solve 3x^2 - 4 = 0? And in simplest radical form? 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a ...
July 23, 2008

Math help
That dosen`t solve the whole question though =(.
July 23, 2008

Math help
How would i solve 3x^2 - 4 = 0? And in simplest radical form?
July 23, 2008

Help with Math
How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points?
July 22, 2008

Help with Math
The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2. where h(d) is the height in meters or the basketball and d is the horizontal distance in meters from the player. How far does the ball travel horizontally before hitting the floor?
July 22, 2008

Function
How would i solve x^3-3x^2+2=0? How would i show it in exact values?
July 22, 2008

Functions / Calculus
One of the zeros if P(x)=6^3-13^2+x+k is 2. What would be the value of k? And how would i write P(x) in factored form?
July 22, 2008

calculus
What would the remainder be if: P (x) = x^3 - 3x^2 + 3x + 2 is divided by x + 1? How would i get the answer?
July 22, 2008

English
Oh I am sorry the point of this letter is to show that you can write persuasive letter Mark Jones is the Head of Disablity benefits in your localDisablity office. You have a court hearring date in three months to determine if you are entilted to get any benefits however you ...
June 17, 2008

English
Please check this for me thanks so much for your time :) Write a letter To Mark Jones regardng your finanical hardships you are facing since you have been out of work due to a car accident. Make sure you give as many details as you can. June 17, 2008 Dear Mr. Jones I am ...
June 17, 2008

calcius
Determine whether the relation represents a function. If it is a function, state the domain and range. {(-2, 1), (-1, -2), (0, -3), (1, -2), (3, 6)} a. function domain: {-2, -1, 0, 1, 3} range: {1, -2, -3, 6} b. function domain: {1, -2, -3, 6} range: {-2, -1, 0, 1, 3} c. not a...
June 9, 2008

calcius
Determine whether the function is linear, constant, or neither y = x3 - x2 + 8 a. Linear b. Constant c. Neither I think it is neither
June 9, 2008

english
hi Im a senior and my last assignment in english is to write an essay ,If i dont get at least a B on this essay .I wont graduate.... The question : "why do writers often chose "betrayal" as a theme? to prove it chose 2 books ( kite runner and 1984) even if u ...
May 21, 2008

Corporate Tax
Alan just immigrated to Canada and owns STARS ltd (US company). Alan owned 100% of shares to STARS ltd. STARS ltd. was incorporated in the US in 2004. Alan wanted to know if he should use STARS ltd or a new company to carry on his business in Canada? He's also not sure ...
May 18, 2008

chemistry
what is the balanced chemical equation for aqueous hydrgoen peroxide to produce solid lead (II) sulfate and liquid water?
May 7, 2008

Physical Science
Thank you Kristi, I really appreciate your response.
April 28, 2008

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Next>>

Search
Members