Posts by alyssa

Total # Posts: 864

math
if xy=7 and x-y=5, what are the values of x and y? please help!!!

statistics
if xy=7 and x-y=5, what are the values of x and y? please help me!!!

math
53/5

Anatomy and Physiology
What is the Scientific Name for the knee cap?

language arts
what does univesal mean? who was henry wadsworth longfellow

AP Bio
What are the problems, environmental effects of the problem, and solutions for biological magnification? I've been looking at so many websites and none seem to help!!

AP Bio
can someone explain and give me an example of a food web and how it differs from a food chain? i'm so confused.

AP Bio
Starting with an open pond of water or with a bare sand beach, discuss the natural succession from a pioneer community to a climax community.

AP Bio
Why can species be too successful at times when introduced into a new environment? Why might they be unsuccessful?

economics
What are futures and options? What is the difference between investing in the stock market and futures and options trading?

Math
Evaluate the following indefinite integrals. ∫4e^6x dx ∫radical8x^8 raised to the third power dx

Math
What is the second derivative of F'(x) = 5xe^5x + e^5x ?

Math
How do you do questions like this: -9y-12=93 I need to know the steps as well.

Geometry
what is the lateral area of a right cylinder if the radius of the base is 12 mm and the altitude of the cylinder is 5 times the base radius round your answer to the nearest whole number

english
why do mail trucks have one seat

math
340

math
yes

History
Who were the First Nations people living by Lake Huron? What was started to protest the signing of the Rebellion Losses Bill in the Parliament Buildings in Montreal? What is a colony that is governed directly by a king or queen in another country?

science
what can anyone tell me about liquid and gas viscosity?

GEOGRAPHY
oh, its just like jobs that have everyhting to do with the auto industry

GEOGRAPHY
Name at least three spin-off jobs that are directly related to the auto industry.

MR SUE ASWER THIS GEOGRAPHY QUESTION!
In 1945, at the end of world was II Japan was in economic ruin. Today it rivals in the industrial strength of the united states. Arecent newspaper article compared the employment attitudes of north american and japaneese auto workers. The article suggested that the japanese ...

geography
in the 1960's there were nine major auto makers. In 1990 the number rose to nineteen auto makers. Why did more countries start producing aoutmobiles?

algerbra 1
what is 3x+12y=22

ecology
Write these from biggest to smallest. Ecosystem,community,organism,andpopulation

Science/Math
If both the plants have green pods, but some of the offspring came out with yellow, but most green, one must be GG and the other Gg. Ha! I answered my own question!

Science/Math
Okay, I totally don't get this. It says: In peas, the alele for green pods(G) is dominant over the alele for yellow pods(g). Below shows the phenotypes of offspring produced from a cross of two plants with green pods. Green pods - 27 offspring yellow pods - 9 offspring ...

Science
Please answer this as soon as possible - Why are mutations that occur in an organism's body cells not passed onto its offspring?

English
What is the setting in the book the bad begging by lemony snicket

math
simplifing fractions

science
how does the process work to extract hydroelectric power

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 ...

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.

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

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 ...

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

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?

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.

math
how to find what number can multiply into a number up to 69

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?

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.

MATH
Thanks for helping me understand the problem.

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?

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

History
What were the 5 problems that affected Canadian soliers after WW1?

english
I need assistance using the word "nomenclature" in a sentence.

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

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 ...

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?

morning sheet
what is DKI in the middle of a box What is DKI? What box?

chemistry
Ka = [H+] pH= -log[1.8x10^-5] pH = 5

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 ...

Spanish
EL LAPIZ

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

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 ...

math
2T = how many oz

science
how do u find out the purity of sand

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 ...

Calculus
i don't understand

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 ...

Pigskin Geography
i need all the answers to week 11 please help!

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.

math
563

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 ...

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