Thursday
December 18, 2014

Posts by paul


Total # Posts: 789

spanish
¿Dónde te graduaste de la secundaria (high school)?
March 21, 2010

History
Why was Andrew Jackson considered a "common man" political wise, not how he lived. I mean what three or two events and decisions did Jackson do during his presidency that made him the citizen president?
March 19, 2010

decimals
write decimal for 47.5%
March 17, 2010

Chemistry
Kb for aniline is 4.3 x 10^-10. What does this tell you about aniline? Please help!
March 14, 2010

PHYSICS
4.9 3.5*square root of 2
March 5, 2010

Math riddle
Thanks, Ms. Sue Mathmate thanks thats what I thought just wanted to make sure maybe it was a misprint on the riddle.
March 2, 2010

Math riddle
I am a two digit number greater than 40.You can divide me by 7 and also by 8, but not any other set of single digit number.what number am I
March 2, 2010

physics
360
February 28, 2010

Calculus
If f(x)=e^(x+5lnx) find f'(4), correct to two decimal places.
February 27, 2010

calculus
But then would this confirm the limiting behavior of the graph because at every interval up to infinity it would approaching zero?
February 24, 2010

calculus
I meant to say zero
February 24, 2010

calculus
is it because every interval of one the integrals approach 1?
February 24, 2010

calculus
Yes I have, but I don't understand why the integral would go to zero. And the description of the interval.
February 24, 2010

calculus
Posted by Paul on Friday, February 19, 2010 at 3:57am. I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of the function when N={whatever integer}? And what happens to the graph and to the value of the ...
February 24, 2010

calculus II
But how can you tell the limit?
February 24, 2010

calculus II
I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of the function when N={whatever integer}? And what happens to the graph and to the value of the integral as N approaches infinity? Does the graph ...
February 24, 2010

Math
(A) y =x+3 (B) correct (C) correct
February 21, 2010

Calculus
But how did you arrive at "as N gets big this looks like e^x(-NcosNx)/N^2?????
February 19, 2010

Calculus
Now how would you describe the graph of this function when say N=5, N=10, and N=100? And what does it mean does the graph confirm the limiting behavior of the integral's value?
February 19, 2010

Calculus
I have the function f(x)=e^x*sinNx on the interval [0,1] where N is a positive integer. What does it mean describe the graph of the function when N={whatever integer}? And what happens to the graph and to the value of the integral as N approaches infinity? Does the graph ...
February 19, 2010

Biology 201
Life is sometimes described as a constant struggle against the second law of thermodynamics. How do organisms succeed in this struggle without violating the second law?
February 14, 2010

biology
compare and contrast the variety of amino acids with that of monosaccharides and fatty acids. Which group exhibits the greatest structural variability?
February 11, 2010

Math
Field Goals Free Throws --------------------------------------- Number: % : Number : % Taken : Made : Taken : Made ---------------------------------------Lions : 37 1/2%: : 20 : 55% 48 : : : Tigers: 45% : 18 : 66 2/3% 40 : If these are the results of a basketball game, what ...
February 8, 2010

data management grade 12
Cecile tosses 5 coins,one after the other. a) How many different outcomes are possible? b) In how many ways will the first coin turn up heads and the last coin turn up tails? c) In how many ways will the second third and fourth coins all turn up heads? d) would the same ...
February 5, 2010

math
You must divide the numerator by the denominator Example: 13/50= 13 divided by50 you would get 0.26 and that would be your answer!!!!!
February 2, 2010

physics need help
thanks, i finally got the right answer, i just needed to put more digits with the scientific notation. thanks bob
January 29, 2010

physics need help
this is not the right answer though. am i missing a step?
January 29, 2010

physics need help
C=(kAe)/d =[(25)(pi*.55^2)(8.85e-12)]/.0025 =8.41e-8 q1=CV =(8.41e-8)(1000) =8.41e-5 without dielectric: C=(Ae)/d =(pi*.55^2)(8.85e-12)/.0025 =3.36e-9 q2=CV =(3.36e-9) (1000) = 3.36e-6 q1-q2 =8.07e-5 C
January 29, 2010

physics need help
i tried that for the value of k of that material but i'm still not getting the right answer
January 29, 2010

physics need help
A parallel-plate capacitor made of circular plates of radius 55 cm separated by 0.25 cm is charged to a potential difference of 1000 Volts by a battery. Then a sheet of tantalum pentoxide is pushed between the plates, completely filling the gap between them. How much ...
January 29, 2010

Physics
what is the dielectric constant of tantalum pentoxide?
January 28, 2010

Physics
A parallel-plate capacitor made of circular plates of radius 55 cm separated by 0.25 cm is charged to a potential difference of 1000 Volts by a battery. Then a sheet of tantalum pentoxide is pushed between the plates, completely filling the gap between them. How much ...
January 28, 2010

Biology
Thank you - I'll take a look at that.
January 21, 2010

Biology
why is a radioisotope able to substitute for an ordinary (nonradioisotope) atom of the same element in a molecule?
January 21, 2010

math equation
it is already answered
January 4, 2010

Chemistrt
How many grams in 4.00 moles of Fe2O3? Answer 4 Moles Mass = 159.7 grams 4 X 159.7/1 = 6.388 or 6.39 grams. How do you get 6.39X102grams? Fe is +2 and O is –2. you have 2-Fe and 3-O why would this not be 6.39X10-2 grams
December 6, 2009

biology
1-Why is so much heat lost from, head, hands, feet? 2-Why would the body cool down at high altitudes regardless of outside temp? 3-Describe changes that occur as body tries to acclimatize to high altitudes? 4-Describe causes and effects of pulmonary edema and cerebral edemo? 5...
December 6, 2009

Chemestry 095
Complet and balance the following equation. F2 (g) + HCI (g) == ?? Which element or ion is oxidized and which one is reduced? Which one is the oxidizing agent and which is the reducing agent?
November 29, 2009

Chemestry 095
Write teh electron configuration for the following ground state atoms and ions. strontium+2 ion; iron element; selenium -2 ion; gallium +3 ion; and tin element.
November 29, 2009

chemistry
Megan I'm in Mr. Hartzell's class are you?
November 28, 2009

Math
g of x=2x^2+x-10 Factor
November 19, 2009

algebra
12/a=4
November 9, 2009

social studies
I have to do an Essay on early history of new york state, how the Native American Indians, the Dutch, and the English have all made contributions to our culture today.
October 25, 2009

Math
What is 0 to the third power, or zero cubed?
October 23, 2009

math
what is the standard form of 200 thousands+50 tens+3 ones?
October 19, 2009

physics - linear momentum with rockets
This is not correct.
October 16, 2009

Geometry
Ok, I found a box and cut off the corners as stated, but it looks like an octagon now. (and not a very good one) Am I missing something?
October 12, 2009

Geometry
It sounds like it would look like a hexagon.
October 12, 2009

Geometry
If you marked the midpoints of the edges of a cube and sliced off all its corners through the midpoints of its edges, how many and what type of faces would the truncated figure have?
October 12, 2009

Geometry
Cool, thanks for the site!
October 8, 2009

Geometry
Which point of concurrency in a triangle is the point of intersection of the three altitudes of a triangle?
October 8, 2009

12th grade chemistry
thanks DrBob ..I appreciate the help. I have tried many searches for the answer on the internet and felt the answer was no as I found nothing.I understand the idea of going to CO2 and H2O. I also don't think that just an O molecule can be added. Thanks again.
October 4, 2009

12th grade chemistry
Thanks for your answer DrBob. I am still stumped.The question I was asked to answer is Do acetic acid and stearic acid undergo controlled oxidation reactions? Explain why/why not and draw an equation to illustrate the answer.
October 4, 2009

chemistry 12th grade
can carboxyl groups undergo controlled oxidation...why or why not??? thanks
October 4, 2009

Algebra 1A
I need help please!!! Translate to an inequality. The average speed, s, was between 130 & 140 mph. Translation 130 ? s ? 140. Thanks
October 2, 2009

Algebra 1A
Help!! solve 2.4x+22.0>55.0-8.6x the solution set is {x]x> ?}
September 30, 2009

Algebra
How do you turn 7/12 into a percent and what would be the answer???????
September 14, 2009

writing
How do you include songs in a sentence: Punctuation for the following: It seems only yesterday that she was a little girl in pigtails reciting Mary Mary Quite Contrary and sining Ill never forget it The Farmer in the dell in a funny high squeaky baby voice.
September 3, 2009

US History
What were the British and American military strategies and the war's major turning points?
September 2, 2009

Chemistry
Thank you
July 18, 2009

Chemistry
Which of the following mixtures will result in the formation of a buffer solution if all solutions are 1.0 M before mixing? i) 100. mL of NH3(aq) and 100. mL of HCl(aq). ii) 100. mL of NH3(aq) and 50. mL of HCl(aq). iii) 100. mL of NH3(aq) and 50. mL NaOH(aq). iv) 100. mL of ...
July 18, 2009

DRBOB222
THANKS so much for all of your quick and useful help!
July 16, 2009

chemistry
1. Cu(NO3)2 + NaOH --> ?? 2. Ni(NO3)2 + NaOH --> ?? ALL or ANY help is appreciated. Like I said in a previous post, I know how to balance. I just have no idea what goes on the products side.
July 15, 2009

chemistry
Net Ionic equations for.. 1. Co(NO3)2 + NH3 --> ?? 2. Cu(NO3)2 + NH3 --> ?? 3. Ni(NO3)2 + NH3 --> ?? I can balance equations, I just don't know what goes on the products side.
July 15, 2009

chemistry
I have many equations that need to be net ionic balanced 1. Al(NO3)3 + NH3 --> ?? 2. Fe(NO3)3 + NH3 --> ?? 3. Mn(NO3)2 + NH3 --> ?? ^^ All aqueous
July 15, 2009

Physics
10m
June 29, 2009

IT 210 Fundamentals of Programming with Algorithms
If your seriously looking for help in IT 210 or any other AAIT degree class, then do a search on Google for AxiaTutorials all one word and I guarantee that you will get the answers or help that you need. They have helped me countless times especially with the hard classes like...
June 24, 2009

Math
How do I write this into SRform please walk me through 5/(sqrt5 - sqrt 3)
May 31, 2009

Math
lol apparently Jen also had the same question 2(3^(2^-1)-1)^-1 I do not understand how to do this one either
May 31, 2009

Government
Do you think that the people's government is one of the most influential ideas? That or having 3 branches in the government + checks and balances?
May 28, 2009

Government
Alright, well I was thinking that the fact that America's government is run by the people is most influential. However, I can't seem to find an idea that is least influential. Could you be able to guide me towards the right idea?
May 28, 2009

Government
What elements of American constitutionalism have proved most influential? Least influential? Why? and Why has federalism, an American invention, proved especially popular in other countries?
May 28, 2009

Math
uh how do I write this in SRform? (7^2^-1+2^2^-1)^2 I tried writing it out in expanded form and I got 98^2^-1+28^2^-1 which is wrong so how do i do this?
May 28, 2009

math
What number does zero cubed equal? 0?
May 1, 2009

zero cubed
What number does zero cubed equal?
May 1, 2009

math
What is zero cubed, or zero to the third power?
May 1, 2009

zero cubed
What is zero cubed or zero to the third power
May 1, 2009

religion
I need to know the country of origin of: Hinduism, Buddhism, Confucianism, and Daoism. For each of these religions I need some information on the: Historical figures and events, brief description of their central beliefs, nature of God, Texts, Ritual and practice (sacred ...
April 23, 2009

chemistry
Hi I have this problem I have no idea where or what to do. 25.00 mL of 0.0500 M Na2CO3 was titrated with HCl(aq) using phenolphthalein indicator, the 'end-point' (color change from pink to colorless) was reached when 10.50 mL of the acid was added. When methyl orange ...
April 19, 2009

physics
parts a and b should be the same since its the same radial distance from equipotential line that A is on, right?
April 15, 2009

Chemistry
Aspirin can be prepared by the reaction of salicylic acid with an excess of acetic anhydride, using phosphoric acid as a catalyst. Once the aspirin is formed, it is precipitated from the reaction mixture by adding water and filtering. The solid aspirin obtained in this way is ...
April 2, 2009

Microeconomics
5.1 million for VC
February 26, 2009

Physics
Two converging mirrors of focal length 30 cm are 15 cm apart. If an object is placed 1 cm from mirror one, how far from mirror two will the second image be?
February 25, 2009

Math
List all subsets for (m,a,t,h)
February 20, 2009

math
In standard position, an angle of 7pi/3 radians has the same terminal side as an angle of? A)-420 B)120 C)60 D)625
January 28, 2009

math
um find the product
January 7, 2009

math
wait how do i do this one then same thing? 10 x (-2 3/11)
January 7, 2009

math
find the product. 2/3 x 7/8
January 7, 2009

chemistry
I actually think it is Cl
December 1, 2008

chemistry
Higher
December 1, 2008

statistics
Shedz processes two varieties of kiwifruit – green and gold. Constraints on daily packing are as follows: • At most, 2 000 trays can be packed in total. • At most, 1 200 trays of green can be packed. • A minimum of 200 trays of gold need to be packed. •...
December 1, 2008

Chemistry
Yes I agree
December 1, 2008

Chemistry
Yes.
December 1, 2008

trig
Oh I get it now. thanks for your help.
December 1, 2008

trig
No I have not come across that before.
December 1, 2008

trig
How do I solve this? If cos x= 3/5, find the exact value of cos 2x
December 1, 2008

biology
Surface Area to Volume ratio. The larger the surface area that the cell has in relation to the volume, the more space it has to take in nutrients. This is the largest when the cell is small. So as a cell gets bigger the SA to V ratio gets smaller and less SA is avaliable for ...
December 1, 2008

biology
Think about the SA to V ratio to start with
December 1, 2008

Chemistry
No problem :)
December 1, 2008

Chemistry
No it is in fact Potassium
December 1, 2008

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