Sunday
December 21, 2014

Posts by hanna


Total # Posts: 130

5th grade social studies
What was the french and indian war about?
April 15, 2009

social studies
who were some of the famous explorers of the years 1450-1763?
April 15, 2009

7th grade
how do you know when something has energy?
April 15, 2009

Statistics
Hi again. I did more studying on testing the hypothesis and tried the problem again. Can you check if it is correct? a) I made Ho=2/3, Ha=otherwise. I did the z test and got z=-0.0508. I think this means that 5.08% of the time, the sample will differ by AT LEAST as much as ...
March 31, 2009

Statistics
For the hypothesis test, if i were to use significance level of .10. Is the two tailed critical z value equal to + or - 1.645? Since z (-0.5873) is smaller than critical z, I said that Ho should not be rejected so 2/3 figure is NOT implausible for kissing behavior. Is this ...
March 31, 2009

Statistics
Hi, I understand that part now and got -0.5873 as the z value. However, I do not know how to find the critical z value for the two-tailed test, and without a given alpha value. Also, if I am correct, this hypothesis corresponds to part b) of the question? Can you give me ...
March 31, 2009

Statistics
I really need help with this problem. I am not sure what the question is asking and how to approach it! Thanks in advance! Its known that 2/3 of humans have a dominant right foot or eye. Is there also a right-sided dominance in kissing behaviour? In a sample of 124 kissing ...
March 31, 2009

science
how is quartz seen in the make-up of granite?
February 6, 2009

english language arts
seed folk
October 14, 2008

math
The math team in addville travled to subtractville for a math compertition. The bus averaged 40 mph from addville to subtractville but adveraged 60 mph during the return trip. What was the adverage speed of the bus for the entire trip? Thats the story problem i have to solve. ...
September 28, 2008

math
1-3 2-4 3-5 4-2 5-1 or it may be this, sorry for not being sure
September 28, 2008

math
1-3 2-4 5-1 ??? im not quite sure though
September 28, 2008

ALGEBRA
3x + 3y +xy I think that is one of them
September 28, 2008

English
please help me :( I also have another question.. do you say "show to" or "show for"?
September 18, 2008

English
I'm writing a review and want to say that "xxx is what pushes the story forward" but with a more elegant and correct formulation. English is not my first language so I don't know all the expressions and such but I think that there is a proper expression for ...
September 18, 2008

math
1. a 7/20 chance... in percent, 35 % chance 2. 55 %? :S But that sounds almost too easy... 3. I think it does always set in the west, if that's true, the answer is C - 1.
September 18, 2008

Chemistry/Redox Reactions
An electrochemical cell consists of a nickel metal electrode immersed in a solution with [Ni2+] = 1.0 M separated by a porous disk from an aluminium metal electrode immersed in a solution with [Al3+] = 1.0 M. Sodium hydroxide is added to the aluminium compartment causing Al(OH...
August 18, 2008

digital electronics
encoder & decoder, k-map
August 12, 2008

Math/Health
16.b 17.b i don't know #18 19.0 20.c
March 12, 2008

Health care
the answer d
February 23, 2008

math
alexander had some nickles in his bank. he added 3 dimes to the bank and then he had 85 cents.how many nickles did he have left? write an equation and work backward to solve.
November 6, 2007

Chemistry
"There are two ions per formula unit in this compound. The -1 anion has 8 more electrons than the cation." I need to find the Chemical formula/name. Any suggestions on how to start? This can have more than one correct answer.
October 15, 2007

math
This should be Range.
August 26, 2007

Math- Calculus
:3 yep I got there too. It was y=3x+2 I think. It doesn't matter though XD I'll just ask my teacher when I get there
August 26, 2007

Math- Calculus
Find an equation of the line that is tangent to the graph of f and parallel to the given line Function: f(x) = x^3 Line 3x-y+1 = 0 ._.; I know the derivative of the function is 3x^2 and I do have the answer in the back of my book just need the way to get it..
August 26, 2007

math
HOW DO I FIND THA AREA OF A TRIANGLE? 1/2 times the base times the height.
January 31, 2007

spelling
omg this website helped so much!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
January 16, 2007

Economics
Is the airline business considered to be a monopoly or oligolply? it's an oligopoly, I think. If you think about it that's more likely. Good question by the way. Tom is right. Please check these sites for more information. http://en.wikipedia.org/wiki/Oligopoly (Broken...
November 17, 2006

Essay Pointers
Here is an essay i wrote about A Separate Peace. If someone can tell me what needs to be fixed and stuff. By the way, should I use heck in this essay? My friend said it was too... informal
July 24, 2005

secondhand lions essays
I have to write a typed (doubled spaced)1 page essay on each of the following ... Discuss the scenes where the boy speaks his own opinion what do these scenes tell you about the boy? How did the decisions made for the boy affect the boys life? How does this movie define family...
July 24, 2005

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