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November 29, 2014

Posts by Amanda


Total # Posts: 2,136

Physics
Thanks, it really helped
September 26, 2010

Physics
A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 1.5 s. Then, during a negligible amount of time, he changes the magnitude of his acceleration to a value of 1.4 m/s2. With this acceleration, he continues in the ...
September 26, 2010

data management
For S = the set of whole numbers A = the set of numbers which are perfect squares B = the set of positive even numbers describe: a.) A' b.) AUB c.) (AUB)'
September 25, 2010

Chem
To obtain 12 g of sucrose (MM=342) from a solution labeled 8.0% C12H22O11 by mass, we would need to weigh out ______ of solution?
September 25, 2010

French
So i wrote a composition in french and my teacher marked that i conjugated a verb incorrectly. I can't figure out what it is supposed to be (i don't know if i'm using an incorrect idiom, etc). The original sentence is, "Quand vous allez a l'interieur, la ...
September 24, 2010

Math
Writing to Explain: How can you use models to show and name the number 1,400in two different ways? Expalin.
September 21, 2010

Algebra
Ok, so , I have the question: -5=-8+5f. I'ev figured out that I have to add 8 to both sides of the equation,but now I'm stuck because I'm left with -3+5f=? And I can't figure out what should be on the other side of the equals sign. Please help! I'm a figure...
September 21, 2010

calculus
The slopes of the tangent lines to the graph of the function f(x) increase as x increases. At what rate do the slopes of the tangent lines increase? f(x) = x2 – 6 PLZZ help
September 21, 2010

math
how do i solve for this question? Mr. Smith wants to save for his son's college education. If he deposits $300 each month at 10% compounded monthly, how much (to the nearest penny) will he have in the account after 14 years? Answer =
September 17, 2010

math
what do i have to do to solve this? Khety must save $5050 for a down payment on a car. He currently has $1925 in an account yielding 6.5% simple interest. If he saves no additional money, how long until he has enough for the down payment?
September 17, 2010

AP Language and Composition
I am writing a paper on the book The Great Gatsby by F. Scott Fitzgerald and my thesis is "In the Great Gatsby, F. Scott Fitzgerald shows us that material obsession often leads to the decay of ones soul." Does anyone know anywhere i can find sources relating to the ...
September 16, 2010

geometry
line yw bisects on angle xyz if angle xyw=10x-8 and angle wyz=3x+69 x equals to???
September 11, 2010

math
David has just received his income tax refund of $1438.11, and he needs $1742 to buy a new television. If his money can earn % simple interest , how long must he invest his tax refund? years what formula do i need to use?
September 10, 2010

Math
Find how much must be deposited now (present value) at % simple interest so that in 6 years an account will contain $8958 (future value). present value = $ WHAT FORMULA DO I NEED TO USE TO HELP ME SOLVE THE PROBLEM?
September 10, 2010

3rd grade
Use compatible numbers to complete this problem. Then estimate the sum. 3,428 +432 _____
September 9, 2010

college chemitsry
calculate the calories needed at 0 C to melt 200. g of ice
September 8, 2010

organism physiology paper
help me
September 2, 2010

precalc
(100-18)e^-.6(2) +18 24.69792538+18 = 42.6 So round up. 43%
August 31, 2010

Home economics
You're likely to encounter formal service in all the following setting except which one? A. A gourmet restarant B. A wedding C. A church outing D. A dinner party
August 28, 2010

Calculus disaster
Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235 must be increased to ...
August 28, 2010

geo
patterns
August 26, 2010

Phych
Yes..Both first and last
August 25, 2010

Phych
Mnemonic** misspelled
August 25, 2010

Phych
Can someone please help me think of a mnumaric for my Name Amanda Pavlic
August 25, 2010

Math
54 miles because you add 35+16+18. The 24 miles was just extra information.
August 23, 2010

Pre-Cal
What is the domain, range, zeros, symmetry, and is it even/odd of these functions? (how can you tell, i don't remember how you get all these, refresher please) y= 1/x y=[x] y=sq rt. of x^2 -4 y=sin x y=cos x y=tan x
August 23, 2010

5th grade
The answer is 9,463,200
August 16, 2010

Accounting 225
Use the information in Exercise 2-4 to prepare an August 31 trial balance for Pose-for-Pics. Open these T-accounts: Cash; Office Supplies; Prepaid Insurance; Photography Equipment; H. Paris, Capital; Photography Fees Earned; and Utilities Expense. Post the general journal ...
August 10, 2010

English
B is correct
August 5, 2010

medical
With a patient lying in the supine position, the carotid vein was cut. What operative procedure was done? A. Angioplasty B. Atherectomy C. Embolectomy D. Phlebotomy I'm not positive but I think it's B. Am I wrong?
August 5, 2010

physics
When light strikes glass perpendicularly, about 5.5% is reflected at each surface. How much light is transmitted through a pane of window glass?
July 28, 2010

physics
A butterfly at eye level is 21 cm in front of an plane mirror. You are behind the butterfly, 53 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?
July 28, 2010

math
Solve the equation 15.3 + 15 + 15.4 + 15.7 + x /5 = 15.4 thankyou
July 18, 2010

english
what does it mean when it says 'write a precis of the poem.' what is a precis?
July 14, 2010

Physics
Please show how you got the answers, not just the answers. A 40.0 N force stretches a vertical spring 0.250 m. (A) What mass must be suspended from the spring so that the system will oscillate with a period of 1.0 s? (B) If the amplitude of the motion is 0.050 m and the period...
July 14, 2010

Sports Management
You are interested in purchasing a new minor league baseball franchise. The franchise will be located in your area. To reduce risk in your decision making, you have requested that a sports marketing firm submit a detailed research proposal. The following questions pertain to ...
July 13, 2010

biology
After how many cells does the zygote start to differentiate? What is it called after the 8 cell stage? How many cells would be in the next stage of development? Are these embryonic stem cells? Many thanks Amanda x
July 13, 2010

Physics
Can you please show all your work so that I can understand how the problem is solved? In the Challenger Deep of the Marianas Trench, the depth of water is 10.9 km and the pressure is 1.16 x 10^8 Pa. a) if a cubic meter of sea water is taken from the surface to this depth, what...
July 13, 2010

chemistry
When .03 mol Na is added to 100g of water, the temp. of the resulting solution rises from 25C to 37.9C. If the specific heat of the solution is 4.18 J/(g C), calculate delta H for the reaction, 2Na(s) + 2H2O(l) --> 2NaOH(aq) + H2(g)
July 7, 2010

chemistry
Sodium metal and water reacts to form hydrogen and sodium hydroxide. If 5.98g of sodium react with water to form .26g of hydrogen and 10.40g of sodium hydroxide, what mass of water was consumed in the reaction?
July 7, 2010

Food Web
A food web contains green plants, rabbits, squirrels, mice, seed-eating birds, hawks, and owls. Which organisms in this food web would contain the greatest biomass? Which one would have the least? Explain I think that the greatest biomass would be plants because there are a ...
July 7, 2010

Carbon
#1 where and in what form does carbon enter long term stores? It enters long-term stores in the form of Carbon dioxide, and is found in intermediate and deep ocean waters. On land, it is found in coal-deposits and in oil and gas deposits. #2 where and in what form does carbon ...
July 6, 2010

Shelled marine organisms
How do the shelled marine organisms contribute to the carbon cycle? They contribute to the carbon cycle by releasing carbon dioxide back into the atmosphere by converting carbohydrates and oxygen into carbon dioxide and water.
July 6, 2010

Products formed
what are the products formed as a result of nitrification. What about dentrificiation. Nitrification = Nitrate Dentrification = Nitrogen gas
July 6, 2010

Cycle question
Is rock cycle also known as the phosphorus cycle? They are the same thing I'm guessing.
July 6, 2010

Nitrogen cycle
explain how the phosphorus cycle differs from the nitrogen cycle. The phosphorus cycle does not exist in a gaseous state and does not enter in the atmosphere. It cycles from land to sedimants in the ocean and back to land. The nitrogen cycle exists is a form of gas which ...
July 6, 2010

Food Web
A food web contains green plants, rebbts, squirrels, mice, seed-eating birds, hawks, and owls. Which organisms in this food web would contain the greatest biomass? Explain KK. I don't know how to do this. I think that the green plants would contain the least.
July 6, 2010

Phosphorus cycle
thanks. is this a difference as well{The phosphorus is an important nutrient for plants and animals and is most commonly in the forms of ions. Unlike other bio geo chemical cycles the phosphorus cycle does not contain a gases state.}
July 6, 2010

drwls
may u look at my other questions i really need help
July 6, 2010

Phosphorus cycle
Explain how the phosphorus cycle differs from the carbon cycle. The phosphorus cycle differs from the carbon cycle by the phosphorus being an essential element in molecules which carries energy to plant and animal cells. The phosphorus helps plants with root development, stem ...
July 6, 2010

Nitrogen Cycle
The only difference I got is that it doesn't usually have a gas state.
July 6, 2010

Nitrogen Cycle
KK I know that the Nitrogen cycle is the way that nitrogen in nature is changed into many different forms that are used by living organisms, but I have to explain how the phosphorus cycle differs from that cycle, and I don't know about that. Is it possible for you to ...
July 6, 2010

Example of Carbon
I thought as well about my answer not making sense, and I thank you for giving me one such true example.
July 6, 2010

Example of Carbon
Give an example in which carbon moves from the abiotic to the biotic part of an ecosystem. An example which shows that carbon moves from the abiotic to the biotic part of an ecosystem is it being in the atmosphere and getting removed by producers which send it out to consumers...
July 6, 2010

government
yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government’s decisions?
July 1, 2010

biology
the observations that led to the formation of the cell theory occured whithin a 17-year period.why do you think that more than one scientist made critical observations about cells within this period?
June 30, 2010

math
how do i work out 10% of £6.80
June 20, 2010

Chemistry
got the answer already
June 19, 2010

Chemistry
Under constamt-pressure conditions a sample of hydrogen gas initially at 93 degress celcius and 8.1 L is cooled until its final volume is 1.7 L. What is the final temperature?
June 19, 2010

chemistry
Thank you right after i posted this question i figured it out it was so easy i felt dumb
June 19, 2010

chemistry
what is the volume of 4.37 moles of an ideal gas at 26.5 degrees celsius and 1.00 atm?
June 19, 2010

chemistry
A gas sample occupying a volume of 88.7 mL at a pressure of O.917 atm is allowed to expand at constant temperature until its pressure reaches 0.335 atm. what is its final volume?
June 18, 2010

Math/ Algebra
Post your responses to the following. Answer each question in a separate paragraph: Techniques that can simplify solving equations and inequalities are to clear fractions and decimals when solving linear equations and inequalities. 1. Demonstrate how fractions are cleared with...
June 14, 2010

literary
define modernism
June 14, 2010

chemistry
I figured out the products of the reactions i am just having trouble figuring out the oxidation states
June 12, 2010

chemistry
write the overall, balanced molecular equation and indicate which element is oxidized and which id reduced for the following reactions. Include phase abbreviations. a) Mg(s)+Cr(C2H3O2)3(aq)--->? b) Cd(s)+AgNO3(ag)---->?
June 12, 2010

Intermediate Algebra
Express as an equivalent expression, using the individual logarithms of w, x, y, and z. log(a)(1x^2y^5)
June 12, 2010

Chemistry
The [H3O+] of a solution with pH = 3 is -10 M. 10 M. 1 x 10-3 M. 1 x 103 M. 1 x 10-11 M. Identify the acid(s) and base(s) in the following reaction: CH3COOH(aq) + NH3(aq) CH 3COO-(aq) + NH4+(aq) CH3COOH is the only acid, and NH3 is the only base. CH3COOH is the only base, and ...
June 12, 2010

Statistics
Can a hypothesis test yield a statistically significant (say p<=0.05), yet practically meaningless result? Give an example of how this might happen.
June 11, 2010

Chemistry
Which solution will have the lowest freezing point? 0.25 molal aqueous solution of sucrose 0.5 molal aqueous solution of glucose solution of 180 g of glucose (MW = 180.2 g/mol) in one kg of water. pure water
June 11, 2010

Chemistry
What is the molality of an aqueous solution of sucrose that freezes at -3.00 °C? The freezing point lowering constant for water is -1.86 °C/molal. 0.62 molal 1.62 molal 2.37 molal 5.58 molal
June 11, 2010

Chemistry
You would use stoichiometry. Multiply the amps by the time (convert minutes to seconds, then you end up with Coulombs. The stoichiometry should look a little like this... (amps x time)(1 F/96,500 coulombs)(1 mol e-/1 F)(3 mol e-/1 mol Cr)(Molar Mass of Cr/1 mol Cr) ... I got ...
June 11, 2010

8th grade
=S HELP ME PLEASE! IM GOING TO die :(
June 8, 2010

8th grade
okay, heres the deal tomorrows my english exam in which i need to write a DESCRIPTIVE paragraph. i reaaaallllllly need a BROAD topic to write about, anyone got any ideas?
June 8, 2010

6th grade
LOL. i have nooooo cluue ;)
June 6, 2010

Funny story
Hey everyone, I want to write a humourous story. Have any ideas on what I can write about?
May 30, 2010

Socials 8
what does City State mean ? help. !!
May 30, 2010

english
This looks all good to me. goodLuck!
May 30, 2010

Socials 8
thankks alot =D i hope this helps !!
May 30, 2010

Socials 8
Its time for EXAMS!! so now i need the def. of heretics,tyrant,scurvy(??), and quadrant. can anyone help mee? im dieing here!!
May 30, 2010

Algebra
I knew the answer, I don't understand how they got the answer I have tried a million times now.
May 27, 2010

Algebra
Can someone please explain this to me, I know the answer but can not figure out how to get it? (15)(.8)^4(1-.8)^2+(6)(.8)^5(1-.8)^1+(1)(.8)^6(1-.8)^0
May 27, 2010

Science
I have to create a powerpoint presentation for my science class and I am not sure if i only hav eto put cications on the slides, or it i put them in the speakers notes as well.
May 24, 2010

powerpoint presentation
When making a powerpoint presentation, do you put the citations on the slide or in the speakers notes or both? Thank you.
May 24, 2010

Communications 220
Create a thesis for your research paper. How do you plan on supporting your thesis with compelling arguments and coutner arguments? This is what I have so far. Please let me know if I need to further explain how I will support the arguments and if the thesis I have created is ...
May 24, 2010

algebra
a ladder is against a building. The distance from the bottom of the building to the ladder is 9 feet less than the length of the ladder. How high up the side of the building is the top of the ladder if that distance is 2ft. less than the length of the ladder?
May 24, 2010

COM 220
please review the rest of my answers and let me know if i have the right ideas and if i need to elaborate on anything more. How does the author organize information to build his argument? I belive the author organized the information logically. He organized the information in ...
May 24, 2010

COM 220
The news from China in recent weeks has been dire. Violent strikes and protests are reported almost daily. Millions of workers are out of jobs. Economic indicators presage more gloom, with electricity production for industry falling 4% in October, the first time it has ...
May 24, 2010

8th grade
hey why not draw a brave looking man (like with there hand on his hips or sumthing)at the edge of a cliff?
May 23, 2010

chemistry
Aluminum nitrate and ammonium chloride react to form alluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 43.0 g of aluminum nitrate and 43.0 g ammonium chloride have reacted completely? Please Help
May 20, 2010

geometry
ABC is an isosceles triangle inscribed within a circle of radius 4,such that side BC passes through the center.What is the length of the arc segment AC?
May 20, 2010

Business
occupancy rate is 85 percent in the summer
May 17, 2010

visual basic
pattern
May 16, 2010

4th grade
do you mean the 7 dwarfs?
May 11, 2010

math
Is 16 ƒ 16 true or false?
May 9, 2010

Social Studies (MAPS)
A. 1" on the map = 24,000" on the ground; 3" on the map = 72,000" on the ground. 72,000" / 12" = 6,000 ft. *A in the orginal answer posted by bobpursley is incorrect; 24,000 divided by 1/4 (.25) is not 8,000, it is 6,000.
May 9, 2010

math
Suppose a test of musical ability has a normal distribution with a mean of 50 and a standard deviation of 5. Approximately what percentage of people are over 55? a. 6% b. 16% c. 45% d. 84% A z-score of 1.75 indicates how many standard deviation units above the mean? a. 1.75 b...
May 8, 2010

chemistry
I need help with Part 2 Part 1. Record the following for each of the three experiments: (a) Mass of the empty calorimeter (g): 11.600 g (b) Initial temperature in the calorimeter (C): 21.00 (c) Maximum temperature in the calorimeter from the reaction (C): 29.27, 34.78, 40.29 (...
May 7, 2010

Statistics
How do you figure this out? For a population that has a standard deviation of 10, what is the standard deviation of the distribution of means for samples of size 2? A-6.33 B-7.07 C-2 D-3.03
May 7, 2010

science
Granite comprising Stone Mountain crystallized from magma tens of kilometers within the Earth, but uplift and erosion has since laid this pluton bare. Assuming that erosion has only slightly modified the original shape of the more durable granite body, which of the igneous ...
May 2, 2010

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