Tuesday
September 2, 2014

Posts by Jenifer


Total # Posts: 20

Physics
5.00 kg of some liquid at 10.0 oC is mixed with 1.00 kg of the same liquid at 40.0 oC. what is the final equilibrium temperature? ignore any heat flow with the containers and/or surroundings
April 12, 2014

algebra
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $30,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 3% compounded annually? (Round your answer to the nearest cent.)
November 16, 2013

Chemistry
Assume that gas mileage is proportional to the total energy released upon combustion of fuel. Use your results in question 2 (Ethanol=88,800 kJ/gal n-Octance=105,000 kJ/gal) to determine the ratio of ethanol /n-Octane required, in gallons to drive equal distances. How much ...
December 7, 2012

math
if cosx = 12/13 and x is a quadrant I angle. Find the value of sinx
October 2, 2012

TRIG
Thank you
October 2, 2012

Anatomy
I am working on a research project. I am concerned about my opening paragraph. Could anyone read this to see if it makes sense. My topic is C. Diff. In 2009 according to the CDC and US Deparmtne of Social Secirty there were 2,437,163 people that died that year. During 2009, ...
August 23, 2012

reading
what is an antonym for pallor?!
January 24, 2012

algebra
What is the appropriate format and answer to the following multiplication problem involving numbers in scientific notation: (5 x 10^4) (9 x 10^4)?
November 6, 2011

statistics
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
October 3, 2011

science
choose a topic such as history or science you feel is relevant to the age group you work with or expect to work with. 200-300 words how you can assess a child's knowledge on your chosen topic using at least five of gardner's intelligences.
August 24, 2011

science
my daughter has a science project she is in 7th grade what should she do
May 18, 2011

Physics
A force of gravity pulls downward on a book on a table what force prevents the book from accelerating downward?
February 11, 2011

Calculus
Use a graph to estimate: Lim x-> 0 of sin(8x)/x when x is measured in degrees.
January 25, 2011

Chemistry
explain how you would make the following solution. You should tell how many grams of the substance you need to make the solution, not how many moles. 2L of 6M HCl
May 5, 2010

chemistry
45.0 ml of 9.0x10 the negative 2m hno3
April 18, 2010

spelling
OCEAN:SEA::STREAM
February 19, 2009

3rd grade
What does factor mean in math
October 9, 2008

3rd grade
Wjat does factor mean in math
October 9, 2008

Chemistry
what occurs during the operation of a voltaic cell based on the following reaction?..... Ni (s) + Pb2+ (aq) --> Ni2+ (aq) + Pb (s)
February 10, 2008

MATH!!!
I have 3 2/3 + 7 1/8 = I 1st got 10 19/24 then I got 239/24 please HELP!! What is the right answer? 10 19/24 or 259/24 depending if you have to express it as a fraction or not
May 9, 2007

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