October 6, 2015

Posts by Jacob

Total # Posts: 728

A rectangle has a width if 10 inches and an area of 5 square inches. What is the length of the rectangle?
October 8, 2007

6th Grade Statistics
The student is correct because the median is used to find the middle numeric value of a data set, the mean balances out the data so all numbers in a data set are the same. This means that the mean and median can only be used for a numeric data, so this student is correct.
October 2, 2007

6th Grade Statistics
One student says you can only use the mode to describe categorical data, but you can use the mode, median, and mean to describe numerical data. Is the student correct? Why?
October 2, 2007

Thank you very much, drwls. I actually understand it now! (You saved me in Calculus!) :-)
September 30, 2007

My teacher showed our class how to find the graph of a derivative using tangent lines. I can not figure this out. I would really appreciate it if someone could help me or explain it to me. Thank you very much for your help.
September 30, 2007

That's what I was looking for. Thank you very much.
September 16, 2007

I'm not sure how to calculate limits from graphs. I've tried many times but I can't figure it out. Are there any sites or tips you can give me? Thank you very much, I really appreciate it.
September 16, 2007

Art and History
Can anyone please help me design a memorial for three civil rights workers? Creativity is very important to me. The civil rights workers are: James Chaney, Michael Schwerner, Andrew Goodman. A little background info: James Chaney, Michael Schwerner, Andrew Goodman were civil ...
May 19, 2007

For a history project, I need to make a memorial for James Chaney, Michael Schwerner, Andrew Goodman. It needs to be extremely creative, yet I can't think of anything. A little background info: James Chaney, Michael Schwerner, Andrew Goodman were civil rights workers who ...
May 16, 2007

math (final trig problem)
Solve for x on the interval [0,π/2): cos^3(2x) + 3cos^2(2x) + 3cos(2x) = 4 I havent done trig for a while so what exactly does that mean in solving for x on that interval and how would i go about doing that? Where are you getting these tough trig questions?? how about ...
April 30, 2007

math (more trig)
how could you do this problem? tinyurl 39jlf9 (sorry i cant get it to post because it is an internet address i cant seem to figure it out and it seems like there is not enough information or maybe i didnt pay attention in class i was able to get the one side that you can get ...
April 30, 2007

math (trig)
i have some problems doing trig the first one is: Show that cos(x/2) sin(3x/2) = ½(sinx + sin2x) i know that you are supposed to substitute all those trig function things in it but i kind of forgot how to the only that i can see substituting in is the double angle one ...
April 30, 2007

Which solution would CaC2O4 be most soluble in? Na2C2O4 NaHC2O4 H2C2O4 NaCl HCl I due to common ions i think it would be one of the first three and i think it is Na2C2O4 because the other 2 have Hydrogen. Is it Na2C2O4? No, the common ions work just the other way; CaC2O4 will ...
April 7, 2007

red panda bear
Need to find good web site on a red panda bear. Seen lots none any good. Please check these sites carefully. Then post a specific question if you don't find what you need in these sites. http://www.wellingtonzoo.com/animals/animals/mammals/panda.html http://www.bbc.co.uk/...
March 28, 2007

What do you call a skinny white guy on the moon
March 23, 2007

physics (check my answers)
When the nuclear fuel in the sun is gone, the sun will collapse to a a. black hole b. white dwarf c. supernova d. neutron star My answer: I think its a black hole. If the mass of the Earth were suddenly doubled while the radius was unchanged, your weight would be? My answer: ...
February 17, 2007

how do you write an equivalent addition equation
February 14, 2007

What's inertia? Inertia is the tendency of an object at rest to remain at rest; or the tendency of an object to continue moving if it is moving. In plain language, it's the tendency of an object to want to continue doing whatever it's doing. I had a definition ...
February 8, 2007

The balanced equation doesnt seem to help because the thiosulfate is not in the equation, I think it is preventing the reaction from going backwards. THe equation is: 2iodide ion + hydrogen peroxide + 2 H3O --> elemental iodide + 4 H2O within the reaction there is also ...
February 5, 2007

How many moles of aluminum is needed to form 3.4 moles of aluminum oxide? 3.4 mol Al2O3 x (2 mol Al/1 mol Al2O3) = ?? mol Al. Note how the units we don't want cancel but the unit we want to keep remains.
February 1, 2007

isomers molecular formula
what are isomers that have the same molecular formula but a different arrangement of atoms called? geometric isomers, enantiomers, covalent isomers, structural isomers. They could be any of those except covalent isomers. I haven't heard of that one.
January 17, 2007

pH scale
If a base is added to water, the pH will increase, decrease, stay the same, or increase sometimes and decrease sometimes. I have asked several friends and the two answers I get is increase from 3 of them and stay the same from 2 of them. I am confused. And so are your friends...
January 17, 2007

Shakespeare has chosen to use a “poisoned sword” and the “poisoned chalice” to end the lives of the main characters in the play.why is this symbolic in the play? Since this is not my area of expertise, I searched Google under the key words "Shakespeare...
December 1, 2006

ward for the framers to resolve there conflickthy was it so h They formed a small group, and worked it out rather quickly.
November 6, 2006

novel= death on the ice english
This book is a priceless story of 78 Newfoundland men who lost their lives tragically. The book is not "gay", you just care too much about stupid stuff instead of your schoolwork and haven't taken the time to appreciate literature. Grow up.
September 22, 2006

Social Studies!
rose and i are the only smart ones here
September 9, 2006

Social Studies!
cape cod
September 9, 2006

Social Studies!
2. its long island
September 9, 2006

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