Monday
July 28, 2014

Posts by Rachel


Total # Posts: 1,179

algebra
okay.. i get it i misunderstood your post.. thanks a lott xxx (=

algebra
I'm feeling horrible for not being able to do this. [I am the old rachel :(] could you explain it again? <ashamed>

algebra
write the equations in standard form of the horizontal and vertical lines that pass through the point 1. (2,4) 2. (-5, 4)

algebra
[<equationing (which isn't a word!)> hehe] thanks for the help! :)

algebra
write a linear equation to model the situation. you have walked 4 miles on a trail. you continue to walk at a rate of 3 miles per hour for 5 hours. please tell me how to do this!! thanks!

algebra
Thsnks again!! (=

algebra
1. write an equation of the line that passes through the point and has the given slope. write the equation in slope-intercept form. a. (3,2), m=1/2 b. (-3,2), m=1/2 _______ answers: a. y=1/2x + 1/2 b. y=1/2x + 7/2 ______________________________________ 2. write an equation of ...

algebra 1
write an equation in slope-intercept form of the line that passes through the points: 1. (-5,3), (4,-5) 2. (-1/2,-1), (3,9/2) _____ my answers: 1. y=-8/9x-5 2. y=3/7x+5/2 please check.. thnx

world history
compare in north america blacks and whites compare in latin america/carribean natives and foriegners and compare people or higher and lower status and compare free people to enslaved people

Math
When you walk around a polygon, at each vertex you need to turn either right (clockwise) or left (counterclockwise). A turn to the left is measured by a positive number of degrees and a turn to the right by a negative number of degrees. Find the sum of the measures of the turn...

social studies
what is a delta plain

science
dont know

geometry
a. If BC = 2x + 1, CD = 3x - 4 and BD = 22, find the value of x. b. Using the value of x, find BC and CD.

4th grade math
thirty six buses would be needed to carry the passengers and crew off three 747 jumbo gets. heres the question: how many buses fo one jet two jets. and how many jets for 180 buses and 252 buses and how many jets would be needed to carry the passengers on 264 buses

French
Thank you so much for all your help.

French
Directions: I wrote a paragraph saying my name, how old I am, my nationality, my hair color, eye color, what I like/not like to do, and 2 things about me. Could you please check my spelling, punctuation, ect.. and could you please give me a letter grade (I'm in 10th grade....

Algebra
How do I solve this multi variable equation for all the values of x and the value of r-s? 4x^2+20x+r=(2x+s)^2

Math
If sin (Theta Symbol) < 0 and sec (Theta Symbol) > 0, then (Theta Symbol) terminates in what Quadrant?

math
If a group of data has a mean of 19 and a standard deviation of 77.8, what is the interval that should contain at least 88.9% of the data?

math
I have a test tomorrow on inerior angles and need it explianed more thsn the teacher did,please help

Cultural Diversity
Explain the difference between Muslims and Arabs. o According to current (within the past two years) research and news reports, what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of society? o List two to t...

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

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 r...

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...

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

9th grade
y/6>y/12+1

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?

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

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?

Health
Explain the subject matter jurisdiction of federal courts.

Health
What is res ipsa loquitur and what does it mean?

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

Health
Compare and contrast contributory negligence with comparative negligence.

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

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

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)').

Energy
is the world running out of energy?

Trigonometry
How do you proove the identity tanxsin2x = 2-2cos^2x

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.

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...

trig
how?

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

Biology
Where and how are tree seedlings raised?

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...

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

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 ...

8th grade
Go with number 3

chemistry
I got 51.5?

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

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

science
What are the two major functions of the appendicular skeleton?

science
How has a fly adapted to live in the desert?

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

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 pleas...

6th grade Math
your poopy butthole!!! i kicked your dog?

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

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

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

Science
Ferns produce male gametes in what?

History
Thank you!

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.

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.

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 o...

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.

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, ...

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 differen...

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...

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?

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?

Chemistry
Why do bromine and iodide have similar chemical properties?

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 ...

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: Economi...

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: Economi...

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)

ict
which data type would you use for a telephone number

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...

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

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

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

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"

Chemistry/physics
instead of what?

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....

World History
Thank You!

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?

World History
Thank you so much that was exactly what I was looking for :]

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

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....

Spelling
k thnx guys! =)

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

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

Social Studies
How does attending school benefit both the student and the government?

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.

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

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

english
apples books

home economics
what foods have calcium in them ?

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 b...

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?

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 . . .???

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?

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