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Posts by Jenifer

Total # Posts: 29

Chemistry
How would you prepare pure dry crystals of potassium trioxocarbonate (v)

help
The President of the United States gives a speech in the White House Rose Garden. Describe how each of the four types of systems you learned about is involved with your chosen scenario. For each of the four systems involved with your scenario, remember to state whether it is ...

chemistry
Determine the final temperature of a 10 gram aluminum block originally at 25.0 degrees Celsius if you apply 435 J of energy to it.

Math Help Please
If a mother has three bananas, two pears, and two oranges, in how many different ways can she give the fruit to her daughter in one week, one piece of fruit per day? Be sure to say how you could use this with your students and mention any adaptations that may be necessary.

Statistics
If a mother has three bananas, two pears, and two oranges, in how many different ways can she give the fruit to her daughter in one week, one piece of fruit per day?

Satistic help Please
is there a formula to this out ms Sue, oh thanks you're always awesome

Satistic help Please
The population of California is approximately 38 million. If you were in charge of making license plates for California, describe the method you would use to ensure you would have enough license plates. Assume that you may use letters and numbers to create license plates.

Marketing
The United States consumes one-fifth of all the world's coffee, making it the largest consumer in the world. But few Americans realize that agriculture workers in the coffee industry often toil in what can be described as "sweatshops in the fields." Many small ...

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

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.)

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 ...

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

TRIG
Thank you

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, ...

reading
what is an antonym for pallor?!

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)?

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?

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.

science
my daughter has a science project she is in 7th grade what should she do

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

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

business math
60

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

chemistry
45.0 ml of 9.0x10 the negative 2m hno3

spelling
OCEAN:SEA::STREAM

3rd grade
What does factor mean in math

3rd grade
Wjat does factor mean in math

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

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

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