Friday
December 19, 2014

Posts by Jay


Total # Posts: 1,120

calculus
The solution is easier than I thought. I just did integral from [0,1] pi*(9y^2)^2 dy
February 5, 2009

calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=9y^2 y=1 x=0 about the y-axis. I am able to find the volume of other questions, but this one got me stumped. I tried drawing out the graph, but I can't ...
February 5, 2009

calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=9y^2 y=1 x=0 about the y-axis. I am able to find the volume of other questions, but this one got me stumped. I tried drawing out the graph, but I can't ...
February 5, 2009

calculus
Evaluate the definite integral: [4,8] (4x^2+10)/(x^(1/2)) dx Been trying this for about 1 hour. Very frustrated, thank you.
January 21, 2009

Math
Find the best buy on cashews (1 lb is 16 oz). A) 1 lb for $6.09 B) 10 oz for $4.59 C) 1 lb 4 oz for $7.09 D) 12 oz for $5.09
January 16, 2009

World History
What were three products developed by the Tang
January 11, 2009

financial
Is it possible for a business to prepare financial statements using the cash basis of accounting if they use the accrual basis of accounting for bookkeeping purposes? What adjustments would need to be made?
December 12, 2008

AP world history
I need help writing bias for the DBQ "analyze Han and Roman atitudes toward technology" Can somebody please help me? if you havent read the documents oline, i can post them here?
December 10, 2008

Math
By white i mean green.
December 9, 2008

Math
Cup A has 50% pink balls and 50% green balls. Cup B has 50% orange balls and 50% green balls. You and you friend both draw one chip from each bowl. What is the probability that you both draw at least one white chip?
December 9, 2008

history
thank you
December 4, 2008

history
What did the Ancient Greeks do in order to feed their growing population?
December 4, 2008

3rd grade social studies
american indians met european explorers and shown them what?
December 2, 2008

chem-intermolec forces
are covalent bonds broken when.... melt benzene melt quartz boiling C2H5OH evaporating water disolving bromine in water?
December 2, 2008

9th grade(Electrical)
Occupational Safty and Health Administration
November 11, 2008

physics
Junes Verne in 1865 suggested sending people to the Moon by firing a space capsule from a 255 m long cannon with a launch speed of 11.42 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?
November 1, 2008

4th grade
can you unscramble achtres-it is part of the body beginning with the letter t
October 26, 2008

science
What is the wind cycle and water cycle?
October 23, 2008

PHYSICS : )
A flight attendant pulls her 69.1 N flight bag a distance of 280 m along a level airport floor at a constant velocity. The force she exerts is 32.7 N at an angle of 50.2◦ above the horizontal. Find the work done by the force of friction on the flight bag. Answer in units...
October 18, 2008

math
ok here we go 48 2-24 then 2-12 then 2-6 then 2-6
October 18, 2008

Biology 2
What is the number of calories needed to change the temperature of 50.0 grams of water 15.0 Celsius degrees?
October 16, 2008

AP World History
Hi, I am having trouble writing bias for the documents for the same DBQ, "analyze han and roman attitudes toward technology". Can somebody please help me?
October 14, 2008

Stats
Two the Prada (Italy) and Orcale (USA) are competing for a spot in the upcomings America’s cup. They race over a part of the course several times. Below are the sample times in minutes. At 0.05 significance level can we conclude that there is a difference in their mean ...
September 29, 2008

English
thanks for your help im sorry that i was stressed and being mean...you must hate me :( sorry
September 28, 2008

English
never mind i guess i see what you mean but now im stuck on the rest of it...i dont know what examples to use any ideas?
September 28, 2008

English
So basically change the whole idea of my speech....yeh thats real helpful now im real stressed out thanks for nothing..
September 28, 2008

English
ok but im just wondering how the first part is contradictory? are you saying to erase the whole thing...im really stressing out and im all confused what to write now that you said that..:(
September 28, 2008

English
How is that contradicting myself..im saying that i worked hard to make my situation easier...anyways im trying to motivate people that getting an education is important and my core message is high school is a journey.
September 28, 2008

chem
how would i find the mole of Cl
September 20, 2008

chem
i would but i dont understand
September 20, 2008

chem
Assuming the volumes are additive, what is the [Cl-]solution obtained by mixing 210mL of 0.600M KCl and 630ml of 0.385M MgCl2 ? Responses chemistry - bobpursley, Friday, September 19, 2008 at 4:20pm You have to assume each chloride is soluble. How many Cl in each? Add the Cl, ...
September 20, 2008

chemistry
ok the molar mass of C6H1206 IS 6(12.01)+ 12(1.008)+ 6(16.00) = 180.16 THEN FIND THE MOLE n=m/M = 12.6/180.16 = 0.0699 so the number of 0 atoms is 6 x 0.0699 = 0.4194 I dont know what next
September 20, 2008

chemistry
i figured i would find the number of moles of oxygen from 12.6g of C6H12O6, after that i get lost
September 20, 2008

business
explain currency exchange
September 19, 2008

chemistry
Assuming the volumes are additive, what is the [Cl-]solution obtained by mixing 210mL of 0.600M KCl and 630ml of 0.385M MgCl2 ?
September 19, 2008

Algebra 1/Geometry
Bump
September 10, 2008

Algebra 1/Geometry
1. |-5 1/4 - 2/3| |-5 3/12 - 8/12| I forgot how to subtract fractions like the one above, can anyone refresh my memory? 2. Q bisects segment PR, PQ = 3y, and PR = 42. Find y and QR. Don't know how to do this. Explain to me please?
September 10, 2008

Memorizing Spanish
hey guys. how can i memorize spanish phrases like Buenos Dias or Buenos Tardes or Adios, etc... (sry i can't spell in spanish yet.)
September 6, 2008

Place Value
Can anyone help locate site that will teach me place values? I have found sites that play a games, but I can play the game better if I know my place values.
July 24, 2008

Graph question-geometry
Which axis is the independent value?
July 5, 2008

history
how were the incas able to adapt to their physical environment?
June 18, 2008

English
question 12 answear is d objective of preposition
June 14, 2008

Macroeconomics
Kelly purchased ten shares of Gentech stock for $200 in year 1 and sold all the shares in year 2 for $220 a share. Between year 1 and year 2, the price level increased by 5%. The tax on capital gains is 50%. If the capital gains tax is on nominal gains, calculate how much tax ...
May 20, 2008

chemistry
d c a is correct, just tried it.
May 15, 2008

science and politics
Should affected nations from global warming , be legally entitled to financial assistance from those who did cause them and who have benefied from them? explain if they should or shouldnt contribute
May 7, 2008

science an politics
adverse consequences-flood,drought, food shortage, rising sea levels, deforestation....is there anything within the Universal Declaration of Human Rights we can use to protect people who hasnt done anything to cause global warming?
May 5, 2008

science & politics
adverse consequences-flood,drought, food shortage, rising sea levels, deforestation....is there anything within the UDHR we can use to protect people who hasnt done anything to cause global warming?
May 1, 2008

science & politics
does anywhere in the universal declaration of human rights provide any protection against such adverse consequences for human populations, especially for those who did not cause those consequences and have not benefited from global warming/global climate change? please explain
May 1, 2008

organic chemistry
why can't you have 2-ethylheptane?
April 29, 2008

math
what is the unit rate for 14 hours in 2 weeks?
April 21, 2008

Economics
Advertising is an important aspect of the business world. a. which business environment is it especially important and explain why? b. does advertising increase or decrease the cost and therefore the price of the product to the consumer? Provide one argument
April 15, 2008

math
If the rental fee on a land line phone is $45 per month and $0 per month for a cell, and the cell cost 85 cents a minute and the land line cost 15 cents a minute, with calls for one month on both phones totaling 1 hr and 5 mins,show how the land line phone cost less than using...
April 9, 2008

chemistry
When referring to percent ionization values given in a acid/base table, how to determine what is the hydrogen ion concentration of a 0.10 mol/L solution of hydrofluoric acid?
April 8, 2008

chemistry
Hi there, ok, my question stated "Use information from acid/base table and the value of Kw t ocalulate the base ionization constant, Kb, of the following bases: a)hypochlorite ion b) nitrite ion c) benzoate ion I looked at my acid/base table but it only gives values for ...
April 8, 2008

bio
1. You have characterized two distinct genetically inheritable traits. They are inherited together most of the time, but not always and sometimes their phenotypes disappear altogether, only to reemerge in later generations. Try to explain how this type of behavior occurs to ...
April 7, 2008

Java
I need to write a Java program using an input file with the below data. I don’t even know where to begin. I have written others but this one has me totally confused. I know how to do it using math WL% = Wins / (Wins + Losses) I also wrote this to use but, can’t ...
April 5, 2008

computers
yea i think thats the one i just want it to make sure
March 27, 2008

computers
All Processing and storage of data inside a computer is done in _____ Form. A)binary B)hexadecimal C)decimal D)character
March 27, 2008

Philosophy
What are the two formal fallacies?
March 25, 2008

History
the documents are UDHR an CPPCG
March 25, 2008

History
I have to explain why there was such a delay for the enforcement of both documents. I've been trying to find websites to help me, but I haven't found anything. The answer I see is The basic reason is that most nations don't want international agreements to intefere...
March 25, 2008

History
I understand what you are saying but how do i put that into a 2 page discussion?
March 24, 2008

History
Did you find any information.
March 24, 2008

math
Thank you so much Ms. Sue. I will ask my teacher tomorrow and may I get back to you and ask again for help?
March 17, 2008

math
It is 1328 miles from my school to Miami, FL.
March 17, 2008

math
I have to plan a route from my hometown to Miami, FL. Gas has to be purchased within 2 miles of starting point, 20 gallon gas tank - 18 miles to a gallon. Round trip completed within 48 hours. I do not know the steps to complete this assignment. I only know how to start point ...
March 17, 2008

calculus
It should be ^-1/2
March 4, 2008

chemistry
what is g
February 26, 2008

chemistry
wat is g
February 26, 2008

chemistry
if the ratio of oxygen to air is approximately 1 to 5 and the ratio of oxygen to ethyne is 2 to 5, how do i calulate the ratio of air to ethyne?
February 26, 2008

Math
It makes sense...Thank you DRWLS
February 26, 2008

Math
An elevator, when full, holds 20 children or 15 adults. If 12 children are on the elevator, how many adults can still get on? Use an algebraic equation to solve this problem.
February 26, 2008

Political Science
I need help interpreting a paragraph in the federalist papers. It is Federalist No. 10 the paragraph is. "It is in vain to say, that enlightened statesmen will be able to adjust these clashing interests, and render them all subservient to the public good. Enlightened ...
February 6, 2008

English
These arent specific poems wow .....
January 7, 2008

English
What are specific poems written by f.t. marinetti?
January 7, 2008

french
Is this correct meaning I speak a little french. Je parle francais comme ci comme ca?
December 9, 2007

Chemistry
geometry of sp2 hybridized orbitals linear tetrahedral triangular octahedral none of those above
November 30, 2007

PreCal
Can someone tell show me how to do this. Show the product as a sum or difference sin 6x cos 2x
November 20, 2007

Economics
If I'm graphing a PAE equation to determine the output gap and what type, say my Y is less than Y*. Am I correct in thinking the output gap will be a negative number, which would contractionary?
November 15, 2007

math
23/4=f-1/4
November 14, 2007

Science
Topic: Air Pollution Who is creating the most and polluting the most?
November 7, 2007

math
There is one bus. on this bus there are 7 girls. each girl has 7 bags. each bag contains 7 cats and each cat has a litter of 7 kittens. how many legs are on the bus?
November 6, 2007

Algebra 1
A LINE CONTAINS (9,Y) AND (-6,3). IT HAS A SLOPE 6. FIND Y
October 28, 2007

Economics
from a supply/demand side, I assume that the supply of savings would move inward if the gov lower taxes on profit resulting in an increase in the deficit. Am I correct in my thinking?
October 25, 2007

biology
The conversion of molecule S to product P has a Keq = 2.0. Two different, but related enzymes, A and B, can catalyze the reaction. The product P serves as an allosteric inhibitor of enzyme B, but not of enzyme A. A. 10 mM S is placed into three separate test tubes containing, ...
October 15, 2007

economics
Why and how does this phenomena increase the share of GDP
October 2, 2007

economics
How does the fact that people from other countries come to America for health care tend to influence the measured share of our GDP that is devoted to health care in America?
October 2, 2007

math
write an expression to show 19
October 1, 2007

math
5 times 5 times 5 times 5 times 5 times 5 what is the power?
September 4, 2007

physics
White light strikes a grating with 1300 lines/cm at normal incidence. How many complete visible spectra will be formed on either side of the central maximum? (Take the range of visible wavelengths to be 400 - 700 nm.) I used the equation d sintheta = m wavelength: (1/1300cm)(...
August 20, 2007

Logic
What is so fraglie tht when you say its name you break it? http://in.answers.yahoo.com/question/index?qid=20070816192042AAsZiur
August 20, 2007

Advanced Algebra
i= the square root of -1 if 3i (2+5i)= x+6i. Then x
August 18, 2007

physics
A charge of +24.3 µC is located at (4.40 m, 6.02 m) , and a charge of -13.1 µC is located at (-4.50 m, 6.75 m) . What charge must be located at (2.23 m, -3.01 m) if the electric potential is to be zero at the origin? ANyone have any advice? Find the distances to ...
July 9, 2007

US History
Can someone tell me why 1968 could be considered a tumultuous year? I can think of the assassinations of Robert F. Kennedy and Martin Luther King Jr. Is there anything else? Thank you very much. Thank you for using the Jiskha Homework Help Forum. Here are some sites for you: 1...
June 20, 2007

PHYSICS
A tuning fork of frequency 558 Hz is placed near the top of the pipe shown in the Figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm. Determine the next two values of L that correspond to resonant modes. (Assume that the ...
June 18, 2007

Programming
Hi. I am taking a computer programming class (C++). I need some help on some programs. I tried going to my teacher - he was of no help and there are no tutors. I have a lot of code, but I'm having problems. I looked online for help, but they're using different methods ...
May 21, 2007

Hyperbola's vertics? and parabola's orientation
y^2= 9(x^2)+20x+3 how to identify its orientation and the locaation of its vertices? sqrt(x^4+8x^3)=sqrt(9x^2+20x+3) How to identify the parabola's orientation? up or down? thank you
May 21, 2007

complete the square
the quartic equation x^4+8x^3=9x^2+20x+3 how to complete the square on the left hand side? I tried to factor out an x^2 first http://mathworld.wolfram.com/QuarticEquation.html
May 21, 2007

chem 2
which bronsted lowry acid has the strongest conguate acid? acetate ion flouride ion cyanide ion nitrate ion not flouride thats for sure
April 29, 2007

physics (momentum)
A 3 kg ball with an initial velocity = (4.00i + 3.00j)m/s collides with a wall and rebound with a final velocity = (-4.00i + 3.00j)m/s. The ball is in contact with the wall for delta t =2.00E-3s. (specify answers with unit vectors) a) what is the change in the ball's ...
April 3, 2007

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