Thursday
August 21, 2014

Posts by alyssa


Total # Posts: 533

math
simplifing fractions
January 6, 2008

science
how does the process work to extract hydroelectric power
December 17, 2007

Math
Lana is calibrating a scale. The scale calibrates at 50g. When she puts a nickel on the scale, it weighs 4.94g. A nickel weighs 5g. If a fifty cent piece weighs 11.17g, a quarter 5.71g, a dime 2.26g, a nickel at 4.94g, and a penny at 2.52g, how many of each can she have to ...
December 5, 2007

economics
externality is when someone spends or uses and the affects from that effect a third party without the third party's say or feelings taken into account. Internalizing is when you take something to heart (internal), make something personal or subjective.
December 4, 2007

Albebra
when you added 4 on your second step, your 'c' dissapeared... where'd it go?
December 4, 2007

science
It doesn't.. in fact it's almost the opposite. Turbidity is a measure of the degree to which water looses it’s transparency due to the presence of suspended particulates. The more total suspended solids in the water, the murkier it seems and the higher the ...
December 4, 2007

geography
does anyone know what the three parts of climate are? i know two are precipitation and temperature. what is the third part??
December 4, 2007

Geography
Wha government imposed barriers stop or hinder the export of automobiles? Vehicles equipped with a high horsepower motor use more fuel then most motors. What does the federal government impose on these vehicles?
November 26, 2007

math
In my hand, I have two United States Coins whose totatl value is 55 cents. However, one of the coins is not a nickel.
October 27, 2007

math
how to find what number can multiply into a number up to 69
October 22, 2007

chemistry
Say you made three different mass measurements of a sugar cube. You know the mass is 1.0g. how would you know whether or not the measurements were accurate? Precise?
October 11, 2007

Chemistry
I'm totally lost! Help please!: Determine the energy gained when converting 500.0 grams of steam at 100.0 degrees C to 120 degrees C.
October 6, 2007

MATH
Thanks for helping me understand the problem.
October 3, 2007

MATH
THE STUDENTS FROM JEFFERSON SCHOOL TURNED A VACANT LOT INTO A VEGETABLE GARDEN. TOMATOES WERE PLANTED IN 4/5 OF THE GARDEN SPACE. CHERRY TOMATOES TOOK UP 1/6 OF THAT SPACE. WHAT PART OF THE GARDEN WAS PLANTED IN CHERRY TOMATOES?
October 3, 2007

chemistry
the closeness of a measurement to its true value is a measure of its________. percent error?
September 30, 2007

History
What were the 5 problems that affected Canadian soliers after WW1?
September 29, 2007

english
I need assistance using the word "nomenclature" in a sentence.
August 28, 2007

Algebra 2 *edit*(below)
Hello I was wondering how this problem would be set up.If I can see how its set up im sure I can figure it out. thanks
August 24, 2007

Algebra 2
1.one of your cliets has 10000 to invest and would like to see it grow to 30000 over the next 20 years. what average yearly rate return does this client need to meet that goals 2.another client wants to see their money grow to 15000 in the next 3 years. the portfolio you ...
August 24, 2007

Algebra
If I am given a table of numbers, how do I determine what type of funcy=tion it is? You can plot it to see if you recognize some typical shape. There are different strategies possible to find the function... Do you need to find an exact expression for the data from the table?
May 29, 2007

morning sheet
what is DKI in the middle of a box What is DKI? What box?
May 3, 2007

Chem
I have a problem in which I'm solving for -w. My equation is this: -w= nRT ln V2/V1 However, I don't know the value of n, but I do know the values of P, V, and T. If I fill in (PV/RT) for n in the above equation, would I be using the energy R or the gas R? The R you ...
March 6, 2007

Spanish
EL LAPIZ
February 5, 2007

Home Economics
What are some advertising techniques? http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=advertising+techniques&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=title&as_dt=i&as_sitesearch=&as_rights=&safe=active
January 5, 2007

Chem
How would a Lewis Dot Structure be drawn for CO +1? I can't seem to get it to satisfy the octet rule and have the right number of electrons. How many electrons do you have? 1C = 1 x 4 = 4 electrons. 1O = 1 x 6 = 6 electrons. Total is 10 electrons. -1 electron because you ...
December 5, 2006

math
2T = how many oz
November 30, 2006

science
how do u find out the purity of sand
November 30, 2006

ion concentration
Which of the following is responsible for maintaining the difference in ion concentration across the membrane of a nerve cell? here are choices the sodium-potassium pump the action potential the depolarization of the membrane the ion channels in the membrane I think it is the ...
November 26, 2006

Calculus
i dont understand
November 14, 2006

chem
Indicate which is lower in energy in a many-electron atom: 3d or 4s Would it be 4s [because it fills before 3d]? That is correct is almost all cases. There is an exception for Cr and Cu; however, I think the intent of the problem clearly means the 4s (and for the reason you ...
November 7, 2006

Pigskin Geography
i need all the answers to week 11 please help!
October 30, 2006

CHemistry
Is the charge of nitrogen in N2O +1? If you are talking about the oxidation state of N in N2O, yes, it is +1. Charge, to me, implies that N2O is an ionic compound and it is covalent, not ionic.
October 25, 2006

German
I am not doing to good in my German class and I was wondering if anyone knew of a way I could learn outside of school? Maybe a site that teaches the basics? Or maybe someone on here that is willing to help? I really have no clue on how I can get some help, only like three ...
August 30, 2006

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