Friday
November 28, 2014

# Posts by Stephanie

Total # Posts: 1,012

Algebra 2 Honors
Right now in my class i am learning about sequences and series and im currtently suck on this problem. "A certain sequence is defined recursively by the t1=1 , t2=2, t2n=2t2n-2, t2n+1=3t2n-1. Find the first eight terms of the sequence." thanks for your help.
May 12, 2008

CHemistry
True/ False: The pH of a soln that is 0.20 M CH3COOH and 0.20 M CH3COONa should be higher than the pH of a 0.20 M CH3COOH soln Would it be true since CH3COOH and CH3COONa are both weak acids, and if you mix them together, it becomes more diluted, and hence should have a higher...
May 5, 2008

social studies
private and publis economics
May 1, 2008

Algebra 2 Honors- Ellipses REAL ONE
for my homework problem i have the equation: (x^2/16) + (y^2/1) = 1 I need to find out the center, the vertices, co- vertices and the Foci. I have trouble knowing how to find them, so if you can please explain them. Thank you.
April 30, 2008

Algebra 2 Honors- Ellipses
for my homework problem i have the equation: (x^2/16) + (y^2/4) = 1 I need to find out the center, the vertices, co- vertices and the Foci. I have trouble knowing how to find them, so if you can please explain them. Thank you.
April 30, 2008

Pre Calc-decode matrix
help!-matrix size is 3x3 clues for the encoding matrix: 1. all entries are one digit and positive 2. a11, a12, a13 are all equal and prime, their sum is also prime 3.the sum of a11, a12, a13 is equal to a21 4. the sum of a22 and the opposite of a33 is zero. a22 is prime and ...
April 27, 2008

math
He has no property (HE HAS NO PROPER TEA!)
April 24, 2008

Math
i really have no idea!?!
April 22, 2008

science
the period when cell divide to create new cells is called?
April 22, 2008

social studies
withoutour two great political parties cutting across economic and geographic interest,democracy as we know it could never have been made to function.the author of this statement probably meant that;
April 22, 2008

chemistry
Woohoooo webworks!!
April 7, 2008

Statistics
What is a 95% confidence interval for mue, the population mean time the postal service employees have spent with the postal service? n=100 mean=7 S=2 years
March 30, 2008

math-statistics
18) Which of the following is the most significant result? A) P<.001 B) P<.005 C) P=.05 D) P>.05 Okay, I have the answer key and know the question is A, but I always thought that if the P value is greater than .05 than it IS considered significant and you can reject ...
March 29, 2008

english
I need help creating a crossword puzzle containing poetry terms. What do I do?
March 8, 2008

Numerical & Proportional Reasoning
the bloodhound has 4.0*10^9 scent receptors in its nose. a typical human has 1.2*10^7 scent receptors. how many time more scent receptors does a bloodhounds have than a human? round answer to the nearest whole number
February 23, 2008

st hilda's
where he and when he was born?
February 3, 2008

Chemistry
What is enthalpy in layman's terms?
January 17, 2008

biology
If a protein had 500 amino acids, how many nucleotides would there be?
January 2, 2008

social studies
How was the Acropolis a great environmental adaptation in Greece?
December 12, 2007

physics
A diver can change his rotational inertia by drawing his arms and legs close to his body in the tuck position. After he leaves the diving board (with some unknown angular velocity), he pulls himself into a ball as closely as possible and makes 2.16 complete rotations in 1.31 s...
December 4, 2007

physics
A figure skater is spinning at a rate of 1.7 rev/s with her arms outstretched. She then draws her arms in to her chest, reducing her rotational inertia to 62% of its original value. What is her new rate of rotation?
December 4, 2007

physics
A uniform disk with a mass of 800 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz when Jill drops a 130 g clod of clay on a point 7.10 cm from the center of the disk, where it sticks. What is the new rotational speed of the disk?
December 4, 2007

social studies
who is a natural born citizen of this country
December 3, 2007

MATH
3x-8>10
November 29, 2007

Economics
Can someone please explain to me what "endogenous" and "exogenous" conditions affect the business cycle.
November 25, 2007

english
does anyone know what the book" the fugitive" is about?
November 21, 2007

chemistry
how do I know the ion value of elements on the production side of the equation when balancing with the electron transfer method?
November 14, 2007

Social Studies
I am doing a crossword puzzle. One of the questions was "The electoral college was developed because some of the founding fathers believed that too much democracy was a very ____thing. The answer is 9 letters long, and it has me completely stumped. Any idea where I could ...
November 8, 2007

Stats
October 31, 2007

Psychology
I don't believe the people on this site EVER help anyone. Everytime people ask questions, especially in the homework help, there's never really any help. just remarks like that.
October 27, 2007

Physics
Find the velocity after a stroller has traveled 6.32m.
October 24, 2007

math
begin with an 8 1/2 x 11 piece of paper. fold it 9accordion style to represent eighths and shad 5 of the 8 equal parts. Then fold and shade the paper to represent 1/3 of the 5/8. What is the multiplication problem being modeled? What is the solution?
October 23, 2007

math
? evaluate the expression: 3 to the 3rd power-(15-8)+ 4 x 5
October 9, 2007

Physics
October 8, 2007

physics
A penny is dropped from the observation deck of the Empire State building (370 m above ground). With what velocity does it strike the ground? Ignore air resistance.
October 4, 2007

physics
Glenda drops a coin from ear level down a wishing well. The coin falls a distance of 14.80 m before it strikes the water. If the speed of sound is 343 m/s, how long after Glenda releases the coin will she hear a splash?
October 4, 2007

physics
A Nile cruise ship takes 21.7 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.4 h to make the return trip downstream. Assuming the ship's speed relative to the water is the same in both cases, calculate the speed of the current in the Nile.
October 4, 2007

physics
Two cars are driving toward each other on a straight, flat Kansas road. The Jeep Wrangler is traveling at 84 km/h north and the Ford Taurus is traveling at 43 km/h south, both measured relative to the road. What is the velocity of the Jeep relative to an observer in the Ford?
October 3, 2007

physics
An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to a stop in 1.3 km?
October 3, 2007

math
HELP!!! How do I solve the following: 3h + 2 for h =10
October 1, 2007

Physics
I keep getting a negative answer for this...is that ok?
September 30, 2007

Physics
Ok that makes sense. But how do I come up with the distance below the climber?
September 30, 2007

Physics
A small first aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 2.5 s, what is the velocity of the first-aid kit, and how far is the kit below the climber? This problem seems like it should be easy, but I'm not sure which equation to use. I...
September 30, 2007

Paralegal Today
Assume that John submits ann offer to Lisa to purchase Lisa's home for \$300,000. Lisa responds to John's offer with a counteroffer: she will sell John her home for \$325,000. John then offers to purchase the home for \$325,000 and Lisa accepts the offer. In each of these...
September 30, 2007

Paralegal today
What might result if an insurance applicant makes false statements in an insurance application? In this situation, will the policy be enforceable? Explain.
September 30, 2007

Physics
For part a, my book says the answer is 310 m. I'm still really confused on how they got this answer.
September 30, 2007

Def: An interger "m" divides an integer "n" if there is an integer "q" such that n=mq. ?Suppose a, b, and c are integers such that a divides b and b divides c. Prove that a divides c.
September 27, 2007

Social Studies
What does Independent Invention mean?
September 26, 2007

Math
9 divided by 66
September 23, 2007

U.S. Government
Sorry again, BUt i have a few more questions that I could not figure. 1. Give examples of which US culture or government has followed the classical republican model. 2. Give examples in which US culture or society has followed the natural rights model. 3. Which model is more ...
September 12, 2007

Government
In what ways were the founders influenced by the ideas of the natural rights philosophers? What proof can you show that the Founders were influenced by the natural rights philosophers?
September 12, 2007

Physics - REPOST
Sorry (impatient) and Thanks. So E=/F/ divide by /q/
September 11, 2007

Physics - REPOST
A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?
September 11, 2007

Physics
Sorry (impatient) and Thank you for your time. So is E=/F/ divide by /q/
September 11, 2007

Physics - REPOST
A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?
September 11, 2007

Physics
I would like logic on how to solve this problem. A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?
September 11, 2007

math
gordy has 187 cds.he wants to put them on shelves.each shelf holds 42 cds.how many shelves he be able to completely fill whit cds?
September 10, 2007

fin
The answer to question A. is \$189,500
September 8, 2007

physics
The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the spring. If the spring ...
September 5, 2007

science(physics)
can you help me??
September 5, 2007

physics
The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the spring. If the spring ...
September 5, 2007

Physics
The acceleration of gravity on the moon is about 1.6 m/sec2. An experiment to test gravity compares the time it takes objects to reach a speed of 10 m/sec after being dropped from rest. How long does an object dropped on the moon have to fall compared to an object dropped on ...
September 4, 2007

Art
I choose a painting to write about and I am having the hardest time trying to see the form, color, space and much more. Is there anyone that knows this kind of stuff?
September 4, 2007

Social Studies
How did the headright system promot British migration to the new world?
September 4, 2007

Writing
That is a good way to start, you could also say, The one person who made a big impact in my life is Hill Harper, and then go on to say why. But what you said would work too.
August 22, 2007

Math
Find all positive values for k x^2 + 2x- k how do you figure this out factor it out and only use the positive answer
July 2, 2007

Math
Jerry earned \$18,500 one year and then recieved a 10.5% raise. What is his new yearly salary? would this be the correct way to set this up and the correct answer? \$18500*10.5=\$20442.50 You got the correct answer, but didn't type the correct equation. Which tells me you did...
May 27, 2007

Biology-homologous chromosomes
homologous chromosomes are called?
April 14, 2007

Chem 011
I can not figure out how many mols are in 102grams of NH3? mols = grams/molar mass. mols NH3 = 102/17 = ??
April 10, 2007

Chemistry
Wow, Brandon! WOW!!
April 1, 2007

phisical science
force and motion Do you have a question? Not knowing what your specific question or your age is, I searched Google under the key words "force motion" to get these possible sources: http://library.thinkquest.org/CR0215468/force_and_motion.htm http://classroom.jc-...
March 15, 2007

Computer
Give some examples where traffic analysis could jeopardize security. Describe situations where end-to-end encryption combined with link encryption would still allow enough traffic analysis to be dangerous. Since this is not my area of expertise, I searched Google under the key...
March 12, 2007

Computer
Suppose that a sender and receiver use asynchronous transmission and agree not to use stop elements. Could this work? If so, explain any necessary conditions.
March 12, 2007

chemistry
Question is: If you gain your iron from an iron citrate (Fe(C6H7O7)2) supplement, how many grams of iron citrate do you need to take to gain 8.88 mg of iron? I tried setting this problem up, but i don't think i did it right. can someone please tell me if i did it right or ...
March 10, 2007

chemistry!!
If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will Chaum produce? The ...
February 26, 2007

chemistry
If someone could figure this problem out and tell me how to do it, i would really appreciate the help! Bryson needs .003 mg of a cholesterol-lowering drug per pound per day. The drug should be taken 3 times a day. If capsules contain .010 mg of the drug, how many capsules ...
February 19, 2007

math
i need help with this homework question: it takes 1and1/3 ounces of cocoa to make a cup of hot cocoa. how many cups can be made from 32 ounces of cocoa? You will need to divide 32 by 1 and 1/3. 1 1/3 = 4/3. 32 divided by 4/3 is the same as 32 x 3/4 because dividing is the same...
February 13, 2007

Chemisry
I don't understand what you do after you find out how many electrons are in 1 gram?
February 8, 2007

chem
I dont know the answer I was just guessing sry
February 1, 2007

chem
Im so sorry I'm 6 years late. But maybe someone else can benefit from this answer.
February 1, 2007

chem
Salt contains lots of free ions for electricity to flow through. So iodized salt would work the best conducting electricity. However, epsom salt contains many free ions aswell, just not as much as iodized salt.
February 1, 2007

math!
If 10 human couples move into a new unpopulated area, how many people will live in the area after 200 years? The couples are 20 years old when they move. The people's life expectancy is 60 yeras, the average family has 4 children, and the average couple begins having ...
January 29, 2007

math
If 10 human couples move into a new unpopulated area, how many people will live in the area after 200 years? The couples are 20 years old when they move. The people's life expectancy is 60 yeras, the average family has 4 children, and the average couple begins having ...
January 28, 2007

ap chem
b] PF3 is polar because it contains polar bonds and is not symmetrical 2. H-N-H bond angle is 107.5 because in space everything is three dimensional. If you looked at a three dimensional molecule of H-N-H, you would see that the angle is greater than 90 degrees. When measured ...
January 23, 2007

HISTORY
January 22, 2007

help me...plz its not hard for u but for me it is
How do you write a Bibliography? Can you just give me a example... THANKS!!! This will give you an example and an explanation of each item. http://www.aresearchguide.com/11guide.html These days, bibliographies are also known as "works cited" pages. http://grammar.ccc...
January 10, 2007

Social Studies...Help plz
Can you find me a website about Triangle Trade Route. (New England) Thanks a lot to who ever helps me out!! =] http://asterix.ednet.lsu.edu/~kfossey/4507/lesson3/cenac/group4.html THANKSSSSSSS Some New England trading ships followed the triangular trade route. The triangular ...
January 9, 2007

HELPPPP
What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!! Stepanie -- we Jiskha tutors...
January 8, 2007

Science
What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!! What is relative humidity? ...
January 8, 2007

biology
i need help writing sentences with the following words? autotroph diversity eukaryote heterotroph indigenous infer prokaryote stimulus sustainability I would look the words up to be certain on the meanings: I would use your text definition first, if available. We can check ...
January 7, 2007

Algebra 2
Is linear relationship a direct variation? why or why not? Assuming that the line is neither vertical or horizontal, it is a direct relationship. It indicates that one variable increases or decreases directly with changes in the other variable. A vertical or horizontal line ...
December 27, 2006

what is the turning piont in Stuck in Neutral by terry trueman? The whole point is that just because someone is disabled, doesn't mean that they can't think or feel or that they aren't smart. I mean they could be, but obviously the guy in the book isn't. Then ...
December 21, 2006

math
U can't solve this question because u don't have the information u need. So it is basically impossible to solve this question.
November 30, 2006

SOCIAL STUDIES
What are the three forces that change the shape of the land and what are the effects do they have on the earth? http://en.wikipedia.org/wiki/Erosion
November 26, 2006

Chemistry (Check)
Electrons
November 15, 2006

Stats: Joint Density Function
Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double integration both from 0 to 1). I worked it out (I think) ...
October 18, 2006

Inorganic Chemistry
The atoms in barium metal are arranged in a body centered cubic unit cell. Calculate the radius of a barium atom in A if the density of barium is 3.50g/cm3. The atomic weight of barium is 137.34. The atoms in barium metal are arranged in a body centered cubic unit cell. ...
October 15, 2006

citizenship test for child
What are the 2 houses of congress and what is the judicial branch of the us government? The US government is made up of three branches: Executive -- the President and those who work with him Legislative -- the Senate and the House of Representatives Judicial -- US Supreme ...
October 12, 2006

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