Friday
October 24, 2014

Posts by gerry


Total # Posts: 25

mathematics
If z=xy f(x/y), show that x dz/dx + y dz/dy = 2z
June 27, 2014

calculus
Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t + 76 million ...
March 11, 2013

English
write a story with these words
March 10, 2013

math help
4xpix8x8
February 27, 2013

chemistry
convert 725mm Hg into equivalent kPa
February 23, 2013

chemistry
what pressure would have to be applied to a 27.2 ml sample of gas at 25 Celcius and 1.00atm to compress its volume to 1.ooml without a change in temperature
February 23, 2013

physics
A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. The hare accelerates uniformly at a rate of 1.2 m/s2 for 4.3 seconds. It then continues at a constant speed for 11.7 seconds, before getting tired and slowing down with constant ...
February 3, 2013

business
Brown Inc. has just paid its monthly bill,what balance sheet and income statement accounts will this transaction affect?
October 21, 2012

algebra
solve 8x+4=3x+8
October 12, 2012

math
Use compatible numbers to estimate each difference.
October 13, 2011

Math
find an expression for the magnitude of the initial velocity that a projectile must possess in order to leave the earth when air friction is negelcted. The gravitational constant is given as G= 6.67428*10^-11 m^3 kg^-1 s^-2 Please give lots of details in answer
April 27, 2011

Chemistry
Please ignore my previous answer in which I assumed that [A-] = [H+]. I think [A-] should be calculated using the partial titration data, and [H+] is known from the pH. My latest attempt is below: 0.0447 L total neut'n with NaOH 0.03443 L partial neut'n 0.1 M NaOH 0....
April 9, 2011

Chemistry
anyone else get the same answer? 0.0447 L total neut'n with NaOH 0.03443 L partial neut'n 0.1 M NaOH 0.00447 moles T Total 0.04720169 T (M) 0.003443 moles P Partial 0.040779344 P (M) 4.8 pH 1.58489E-05 [H] = [A-] 3.91117E-08 Ka
April 9, 2011

Physics
An aluminum block slides along a horizontal surface. The block has an initial speed of 11.6 m/s and an initial temperature of 10.7°C. The block eventually slides to rest due to friction. Assuming all the initial kinetic energy is converted to heat energy and all this ...
February 8, 2011

chemistry
if you start with 1.25g of Cu, calculate the amount that will precipitate
September 19, 2010

8th grade science
what functions does a nuclear membrane, chromatin, and nucleolus have
March 14, 2010

social studies
yes because they could have gave the an education, helped the financially, and could have made laws against racism and segregation right then and there
March 14, 2010

Math
If a shot is fired directly upward at 1200 feet per second from a ground elevation of 8oo feet above sea level, how high would it go above the ground level? Thanks, Gerry
November 30, 2009

Math
Two cards are drawn with replacement from an ordinary deck of 52 playing cards. What is the probability that the first card is a heart and the second card is a diamond?
October 7, 2009

social studies
what role did italy play in the resistance during world war 2
June 5, 2009

lAM
Calculate the density of oxygen, , under each of the following conditions: STP 1.00 atm and 25.0 C
October 13, 2008

Project Management
I need these answers badly
October 5, 2008

critical thinking
I am sorry but I just don't get it.. This course is making me crazy.. please help.
July 1, 2008

critical thinking
What fallacies, if any, are present in the following passage? Can you please give reasons for your answer, that is, if you say that a fallacy has been committed, then show where the fallacy occurred, and explain why you think it is a fallacy? Background: In this passage, ...
July 1, 2008

Ethics ADJ 235
As a manager you are charged with maintaining the business you are in. Your friend has breached the terms of his employment and you have a duty to report him to the appropriate authority or to demand he return or pay for the merchandise. This would be followed by his firing or...
June 30, 2008

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