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Homework Help: 12th Grade

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12th grade
Find the equation of the line through the point (3,4) which cuts from the first quadrant a triangle of minimum area.
Tuesday, March 16, 2010 at 2:19pm

12th grade economics
Frank wants to buy a $10,000 car. The car dealer offers him financing of 60 payments at 9% interest. What will his payments be assuming he pays $0 down?
Sunday, March 14, 2010 at 4:00pm

12th grade math
What is the distance between the origin and the point (5, 12)? If necessary, round your answer to two decimal places.
Wednesday, March 10, 2010 at 10:45pm

12th grade
A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it to be a long, thin r...
Wednesday, March 10, 2010 at 12:22am

12th grade
factor completely x^4-16=0
Sunday, March 7, 2010 at 8:07pm

12th grade Textiles
discuss how economic and technological factors have influenced the success or failure of the designer collette Dinnigan.
Sunday, March 7, 2010 at 4:01am

12th grade
Simplify completely: -3(4-9)+6-2(-8+5)
Sunday, March 7, 2010 at 2:32am

12th grade
the constitution was written in order to establish a stronger central government that that provided by the articles of confederation, however the whole point of th american revolution was to renounce an oppressive central authority. explain this apparent reversal in the thinki...
Wednesday, March 3, 2010 at 9:32pm

12th grade
a tortoise and a hare are running in a race you are asked to prepare graps similar to those in your reading material to graph the progress of each animal during the race. as in the text, distance is the vertical scale of your graph and time is the horizontal scale. the tortois...
Wednesday, February 24, 2010 at 3:07pm

12th grade
The electric field between two parallel plates connected to a 40 V battery is 1550 V/m. How far apart are the plates?
Monday, February 22, 2010 at 10:11pm

12th grade
what are the rhtorical devices used in Bernice Bobs Her Hair and what effects did they create?
Thursday, February 18, 2010 at 10:51pm

12th grade
In a TV set, a beam of electrons is shot horizontally from the rear of the TV tube toward the screen with a speed about 1x10^7 m/s. If the distance from the rear of the TV set to the front is .5m, approximately how far do the electrons drop because of the gravity as they move ...
Wednesday, February 17, 2010 at 11:59pm

12th grade
would you expect an H2Se molecule to have a shape similar to that of water? Give a reason for your answer?
Wednesday, February 17, 2010 at 7:41pm

12th grade
I HAVE TO WRUTE AN ESSAY ON THE PROS AND CONS ON THE CIVIL RIGHTS MOVEMENT!
Tuesday, February 16, 2010 at 9:52pm

12th grade
I have to write a evaluation on president Obamas speech on 1/27/10. THis speech is for Public speaking class. THis is what i have done. I will critically evaluate every aspect of the speech that the President made especially his Delivery, Audience, Movements, Eye Contact, Post...
Tuesday, February 2, 2010 at 9:35am

12th grade
The three fifths compromise and the commerceand slave trade compromise were included in the constitution at the insistence of the southern states. Why did states in the south think these items were important and what price, if any, did southern states pay for their inclusion
Monday, January 25, 2010 at 7:06pm

12th grade economics
how might opportunity cost help to explain tha pattern of international trade?
Sunday, January 24, 2010 at 3:00pm

12th grade
i need information about the virginia plan but it has to be more on a college
Saturday, January 23, 2010 at 4:55pm

12th grade
i need information about the virginia plan but it has to be more on a college levle
Saturday, January 23, 2010 at 4:55pm

12th grade
which of the following contributed most to the fish population dying during the 1970's
Wednesday, January 20, 2010 at 11:12am

12th grade
The legnth of a rectangular floor is 2 feet more than it's width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the legnth of the rug be?
Tuesday, January 19, 2010 at 4:25pm

12th grade
5 factors that affect the rate of a chemical reaction
Thursday, January 14, 2010 at 10:46pm

12th grade
What is answer to 2/3 to second power and how do I calculate
Tuesday, January 12, 2010 at 8:46pm

12th grade A.P. Government
My teacher has selected us to be in particular groups and I am a conservative. So I need to address Education and state the issues like how a conservative would. But I have no idea about it. Can someone please help me??? Please....
Tuesday, January 12, 2010 at 7:54am

english
- Computers - English - Foreign Languages - Health - Home Economics - Math - Music - Physical Education - Science - Social Studies GRADE LEVELS - Preschool - Kindergarten - Elementary School - 1st Grade - 2nd Grade - 3rd Grade - 4th Grade - 5th Grade - 6th Grade - 7th Grade - ...
Friday, January 8, 2010 at 1:36pm

12th grade american governmet
Research Ronald Reagan especially with regards to their foreign policy and foreign involvement during their administration. Identify 3 aspects of their foreign policy or foreign events they involved the US with. for each of the events explain where on the spectrum you believe ...
Wednesday, December 30, 2009 at 12:11am

12th grade
Decide whether each of the following is a characteristic of the North-Puritanism,South-Gentleman planters or both the north and the south. Came to America to find freedom to worship and the promised land - The North-Puritanism; The South-Gentleman Planters; or Both.
Tuesday, December 29, 2009 at 1:38pm

12th grade English
Can you check my essay, it is not done, but I want to see if I'm on the right track? My essay is on Hamlet and the thesis statement: "Domino effect of death" Hamlet: A Chain Reaction of Death In Hamlet, death is seen throughout the play, and is one of the primary...
Saturday, December 26, 2009 at 12:28pm

12th grade Physics
charges of +1.000 C are located at the corners of a 45-45- right triangle which has a hypotenuse that is 1.414 m long. Determine the resultant force on the charge located at the vertex of the right angle.
Tuesday, December 15, 2009 at 8:41pm

12th grade Physics
the force between two charges is 20.0 N. if one charge is doubled, the other is tripled, and the distance between them is halved, calculate the resultant force between them.
Tuesday, December 15, 2009 at 8:32pm

12th grade world history
Are the Lapita the ancestors of the Polynesians and the Maori?
Monday, December 14, 2009 at 8:02pm

12th grade AP Politics
What are some of the illegal ways to add amendments to the Constitution? Why are these ways prefered rather than the legal methods? Please help...I found the legal ways but don't know the illegal one. I have searched google but they don't have any answer. Thank you!!!
Monday, November 30, 2009 at 11:12am

12th grade
solve: 5/2x+1/4x=9/4+x
Saturday, November 28, 2009 at 8:01pm

12th grade
how do i do linear programming in algebra 2?
Sunday, November 22, 2009 at 10:43am

12th grade
which of the following proofread's mark is incorrect
Saturday, November 21, 2009 at 3:05pm

12th grade
Can someone look over my admissions essay for Brown?
Saturday, November 21, 2009 at 2:08pm

12th grade English
I need to write a one page response essay to the quote "you can no more win a war than you can an earthquake"..........please help! Not good at writing. Thank you
Tuesday, November 17, 2009 at 6:17am

12th grade math an
how do u solve this in analysis and funtion 7(b-6)=-12+b
Sunday, November 15, 2009 at 5:43pm

12th grade
the equation y= 6 sin(3x-1)pi+4 has a fundamental period at
Sunday, November 15, 2009 at 4:17am

12th grade
How do I teach Paradox to my fellow classmates? what activities can I do to involve them while I;m teaching?
Thursday, November 12, 2009 at 8:27pm

12th grade Economics
Describe the automotive Industry- How does the company answer the basic economic questions?
Tuesday, November 10, 2009 at 3:10pm

12th grade Trig
sec theta = 2, sin theta is less than 0. I'm not sure what to do? Please explain. Thank you.
Monday, November 9, 2009 at 4:44pm

11th grade
The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?
Friday, November 6, 2009 at 12:30pm

12th grade Politics
United States is the only sizable industrialized country that does not have a socialist party as a major source of power. Why is this??? Can someone please give me some points or reasons??? Thank you!!
Wednesday, November 4, 2009 at 10:47am

12th grade Physics
Determine the x and y components if a dog walks to the park that is 24m, 30 degrees northwest. Please help i don't know how to go about solving this problem
Wednesday, November 4, 2009 at 9:57am

12th Grade Math
How do you graph f(x)= ((x+5)(x-4)^(2))/((x-2)(x^(4))
Tuesday, October 27, 2009 at 12:28am

12th grade Advanced Functions
A generator produces electrical power, P, in watts, according to the function: P(R)= 120/ (0.4 + R)^2 where R is the resistance, in ohms. Determine the intervals on which the power is increasing.
Sunday, October 25, 2009 at 7:50pm

12th grade Physics
how much tension must a rope withstand if it is used to accelerate a 1200-kg car vertically upward at .80 m/s^2?
Saturday, October 24, 2009 at 1:09pm

12th grade (Physics)
A highway is to be built between two towns, one of which lies 44.0 km south and 74.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?
Wednesday, October 21, 2009 at 1:49pm

12th grade
1/7+3/5
Friday, October 16, 2009 at 10:41am

12th grade
Find the reactants of NaC2H3O2+H2SO4 and balance the equation
Wednesday, October 14, 2009 at 7:22pm

12th grade
Need help on the book of beowulf- what it the evil between the two religions christian and pegeon.
Monday, October 12, 2009 at 8:16pm

12th grade Economics
The chapter states that the elderly population in the U.S. is growing more rapidly than the total population. In particular, the number of the total workers is rising slowly, while the number of retirees is rising quickly. Concerned about the future of Social Security, some me...
Monday, October 12, 2009 at 5:40pm

12th grade
How long did it take the Bill of Rights to come into effect?
Monday, October 12, 2009 at 1:57pm

12th grade government
How does the new class differ from more traditional elites in its political attitudes?
Sunday, October 11, 2009 at 10:29pm

12th grade
what's the key factors which led to our constitution
Thursday, October 8, 2009 at 6:35pm

12th grade
Which of the following two groups did NOT do battle with the Romans?
Monday, October 5, 2009 at 4:42pm

12th grade
i have to write my essay about "the wife of Bath's tale" and first i need to explain how " the wife of Bath's tale"' can be read as both a pro-feminist and an anti-feminist stroy" second, provide an arguemtn as to which I believe the story ...
Monday, October 5, 2009 at 1:34am

12th grade chemistry
Thanks for your answer DrBob. I am still stumped.The question I was asked to answer is Do acetic acid and stearic acid undergo controlled oxidation reactions? Explain why/why not and draw an equation to illustrate the answer.
Sunday, October 4, 2009 at 4:53pm

chemistry 12th grade
can carboxyl groups undergo controlled oxidation...why or why not??? thanks
Sunday, October 4, 2009 at 4:43pm

12th grade english
i cant figure out how to put cordon in a sentence if the definition is *a cord or braid worn as a decoration* please help!
Wednesday, September 30, 2009 at 3:53am

12th grade
Does knowledge acquired in highschool liberate or hinder students? Please help explain the question and your opinion.
Saturday, September 26, 2009 at 11:08am

12th grade
could some help me with my german homework, please?
Thursday, September 24, 2009 at 3:11pm

12th grade
maps of top 15 countries that trade with the U.s.
Thursday, September 24, 2009 at 12:41pm

12th grade
In recent years,business representatives have expressed concern about the skills of students entering the workforce.Responding to these concerns,state legislature have enacted a law that establishes high educational standards for all students.Now the state legislature is consi...
Wednesday, September 23, 2009 at 2:51pm

12th grade
A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0° with the horizontal, as shown in Fig. 3-39 (a) Determine the time taken by the projectile to hit point P at ground level. (b) Determine the...
Tuesday, September 22, 2009 at 8:44pm

12th grade
prove that normal to plane containing 3 points whose position vectors are a vector,b vector,c vectorlies in direction addition of cross product of vectors b and c and cross product of vectors c and a and cross product of vectors a and b
Tuesday, September 22, 2009 at 9:54am

12TH GRADE WORLD ISSUES
WHAT ARE THE 3 FACTORS OF CANADIANS ARE IN THE WAR IN AFGHANISTAN??
Thursday, September 17, 2009 at 6:29pm

12th grade
According to the social contract theory, the contract is
Wednesday, September 16, 2009 at 12:22pm

12th grade A.P. Economics
which of the following is the most essential for a market economy? 1.) functioning labor unions 2.) good government regulation 3.) active competition in the marketplace. 4.) responsible action by the business leaders. I think its choice no. 3, am i right?
Sunday, September 13, 2009 at 6:10pm

12th grade LAW
how do laws increase an individuals freedom in society?
Thursday, September 10, 2009 at 10:10pm

12th grade
is there any sites that can you can suggest for an essay that I'm doing on how young people who believe in their words and ideas can change our world?
Wednesday, September 9, 2009 at 5:57pm

12th grade economics
what factors change in supply and demand
Wednesday, September 9, 2009 at 12:00am

12th grade A.P. Economics
Compare the mixed economies of various nations along a continuum between centrally planned and free market systems.
Saturday, September 5, 2009 at 9:40am

12th grade
what does the narrative of sojoumer truth take place
Thursday, September 3, 2009 at 11:45am

12th grade Biology
How can i describe the science behind IVF?
Sunday, August 23, 2009 at 4:35am

12th grade expository writing
Can somebody help me with writing?
Thursday, August 20, 2009 at 1:13pm

12th grade A.P.Economics
Identify the trade-offs and opportunity cost of a decision using a decision-making grid. I know how to make a decision-making grid to show the opportnity cost....but how do i identify trade-off and opportunity cost in the grid???? I don't get the question actually...plase ...
Wednesday, August 19, 2009 at 10:46pm

12th grade A.P. Economics
How do economists use the phrase “guns or butter”?
Monday, August 17, 2009 at 12:28pm

12th grade history
Which groups of people were not afforded all the rights stated in the bill of rights?
Thursday, August 13, 2009 at 6:12pm

12th grade
Where in the Constitution is the Electoral College described? (I know there are two parts)
Wednesday, August 12, 2009 at 11:38am

12th grade AP Economics
Why might an economist look at the hundreds of cars moving along an assembly line an say, “ There is an example of scarcity”?
Thursday, August 6, 2009 at 2:15pm

12th grade
Dear Mr. VanYerself: I am interested. The position has requirements that match my abilities. My education meets your requirements. My experience relates to the job description. I believe I will be successful in this position, and I am eager to hear you to schedule an interview...
Sunday, July 26, 2009 at 6:51pm

12th grade
the voting right act of 1965 specially removed from voting in the U.S.
Wednesday, July 15, 2009 at 5:10pm

12th grade
which does suzuki in "hidden lessons" explore more thoroughly, the causes of children's negative or positive attitudes toward nature or the effects of these attitudes?
Tuesday, July 14, 2009 at 12:06am

12th grade Social Science
Can anyone help me with these questions? How was the culture of the Baby Boom so different from that of previous generations? Why are members of Generation X frustrated with Baby Boomers? What are some of the important impacts of Generation Y on the economy? What are the main ...
Monday, July 6, 2009 at 2:17pm

12th grade- Social Science
I need help in making a hypothesis statement for a certain topic, I chose at school. Can anyone give me an example of one? Here is the format, my teacher wants: (The - represents the boxes, he put for each) TOPIC: - - OVERVIEW OF TOPIC: A brief description about your topic. - ...
Friday, July 3, 2009 at 1:08pm

12th grade English
How does Saki in "The image of the lost soul" use descriptions of places to reach desired effect in story? Can anyone tell me how? an example form the text would be helpful
Thursday, July 2, 2009 at 11:50am

12th grade AP Economics
Making a list of what you would consider the most important trade-offs of spending more money on air-travel safety. Can someone please help me!!!
Wednesday, July 1, 2009 at 4:10pm

12th grade
How much current flows in a 12 watt rad?io connected to a 120-Volt circuit
Monday, June 29, 2009 at 10:42pm

12th grade - English (World Mythology)
The website is: zarathushtra . com /z/gatha/dji/forward . htm What is Tagore’s main argument? Find a sentence or two that make up Tagore’s thesis statement and cite it here. What distinction does Tagore make between “blind obedience” and “the path of f...
Tuesday, June 16, 2009 at 1:22pm

12th grade
the brochure is not very informative
Thursday, June 11, 2009 at 4:00am

12th grade
the brochure is not very informing
Thursday, June 11, 2009 at 3:59am

12th grade
what are substitutes
Tuesday, June 9, 2009 at 10:33am

12th grade
If the height of a triangle is 5, How long is each side? Formula?
Monday, June 8, 2009 at 12:09am

12th grade Biology
Consider the following animals: Earthworm Flatworm. Frog. Jellyfish. Lamprey. Tuna. Create a table of fundamental traits for these six animals as a basis for building a cladogram. Use traits that are either present or absent in a given organism. Use the jellyfish as an outgrou...
Tuesday, May 26, 2009 at 11:06am

12th grade
Penn Foster Examination #93051 Cooking Appliances I've gotten 16 out of 25 completed but I'll just post the whole exam to make sure I have THOSE right. Thanks for your help guys!
Saturday, May 23, 2009 at 4:13pm

12th grade- Trigonometry
Find the exact value of each expression Cos^-1(0) Tan^-1 sqrt(3)/3 Sin^-1(1) Since the expressions are capitalized, I'm not sure if I have to do anything different. Any help is appreciated.
Thursday, May 14, 2009 at 9:04pm

12th grade
Okay I am doing a report on Thurgood Marshall. I am to a part where I am writing a little about his presidential nominations. Please help me on this! What exactly is a second court of appeals judge's job? What about a Supreme Court Justice? I am trying to say maybe a sente...
Wednesday, April 29, 2009 at 9:28pm

senior courses
this is a reply to Ms.Sue's question yesterday. my college and career goals are to do with Foods. cooking, culinary arts .. but i don't think that i can chose my next year (12th grade) courses according to that, can i? those are my plans for college right now i'm h...
Wednesday, April 29, 2009 at 10:59am

12th grade
how to fid g(4), g'(4) and g''(4) when graph of the function f shown above consist of six line segments. Let g be the function given by g(x))=___ f(t) dt. The ___ is form like f with an x variable at the right top corner and a 0 in the right low corner.
Thursday, April 23, 2009 at 12:48am

12th grade
How far a
Monday, April 20, 2009 at 10:25am

12th grade
If an economy has elements of more than one economic system. it is a ________.
Thursday, April 16, 2009 at 4:10pm

12th grade math
Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That additi...
Friday, April 10, 2009 at 4:55pm

12th grade
it takes bill 4 hours to paint a house. it takes john 7 hours to paint the same house. how long does it take to paint the house if they painted it together.
Thursday, April 9, 2009 at 9:18am

12th grade chemistry
Calculate the number of grams in the following :[149.096 g/mole] 8.55 moles of (NH4)3PO4 IT WOULD BE NICE IF I CAN GET STEP BY STEPS TO GET ANSWER !!!
Monday, March 30, 2009 at 6:32pm

12th grade
Ode on a Grecian urn What does "all breathing human passion far above" mean in line 28?
Tuesday, March 3, 2009 at 2:22am

12th grade
Can you fine a love poem with ten syllables in it?
Saturday, February 28, 2009 at 10:07pm

12th grade
what mass of copper may be produced when excess CuSO4 is reacted with 100g of aluminum metal?
Monday, February 23, 2009 at 2:21pm

12th grade Data
In this sequence, tk is a factorial number, often written k!. Show that tk=k!=k(k-1)(k-2)...(3)(2)(1)
Monday, February 23, 2009 at 12:43pm

12th grade
please help how to paraprhase the paradise lost
Friday, February 20, 2009 at 10:14am

12th grade
whick is a positive connotaion of the word inactive? a)lazy B)passive C)relaxed d)slacked
Friday, February 20, 2009 at 8:06am

12th grade
Write the chemical equation for Sulfiric Acid and potassisum sulfate the product is potassium sulfate and water.
Monday, February 16, 2009 at 10:55pm

12th grade
the product of 7over16, 4over3, and 1over2 is
Wednesday, February 11, 2009 at 4:23pm

12th grade
List 3 problems of Decentralized power that existed under the Articles of Confederation. For each problem, identify one solution that the Constitution provided to address the problem.
Thursday, February 5, 2009 at 9:54pm

12th grade bio
The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________ I looked it up and from what I read I believe it is the gingivae. Would that be correct. Thank you
Thursday, February 5, 2009 at 2:10pm

12th gradeTOURISM
HOEKOM FLUKTUREER DIE WISSLKOERS?
Monday, January 19, 2009 at 1:49am

12th grade Chemistry
Mix 5mL of 0,002M Fe(NO3)3; 3mL of H2O; and 3mL of 0,002M KSCN.... how can you find the initial concentration of Fe and SCN??
Sunday, January 11, 2009 at 6:49pm

12th grade
A particle starts at x=0 and moves along the x-axis with velocity v(t)=2t+1 for time t is less than or equal to 0. Where is the particle at t=4?
Tuesday, January 6, 2009 at 9:28pm

12th grade history
Why did the Roman Catholic reform leaders believe that the fundamental aspect of improving the Church was to enhance the performance of the clergy?
Wednesday, December 17, 2008 at 10:00pm

12th grade (Law)
Could you tell me some information about NATO? I have to do a project for my law course and need to know how it impacts the world.
Monday, December 15, 2008 at 9:18pm

12th grade Math-statistics
The annual sales, in millions, for 28 toy department stores is listed. A)Calculate the mean and standard deviation of the data. Answer to the nearest tenth. B) Calculate the percent of sales to the nearest whole number, that are: i)within one SD of the mean ii)within two SD of...
Friday, December 12, 2008 at 11:22pm

12th grade chem
wats the dif betn. H3PO3 and P(OH)3
Friday, December 12, 2008 at 11:49am

12th grade chemistry!!
Where on the periodic table would you find elements that ionize to form cations and anions?????
Sunday, December 7, 2008 at 11:59am

12th grade IPT
i need to gather information about E-commerce and there are questions i don't get. such as, how is the communication system is used and discuss some situations in which the system is used?
Friday, December 5, 2008 at 7:03pm

12th grade
A Lesson Before Dying " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about their heroes, how they t...
Wednesday, December 3, 2008 at 3:01pm

12th grade English
A Lesson Before Dying- Quotations Analysis. " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about th...
Tuesday, December 2, 2008 at 8:30pm

12th grade Biology
Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps glycrol produce 19 at...
Wednesday, November 26, 2008 at 6:49pm

12th grade science (food & nutrition)
Were doing a class debate on vegetarianism and i'm supporting vegetarianism (pro side) and i need 10 question to ask the con side (against vegetarianism). Don't really know how to start.
Sunday, November 23, 2008 at 7:48pm

12th grade calculus
your operate a tour service that offers the following rate: $200 per person if 50 people (the minimum number to book the tour) go on the tour for each additional person, up to a maximum of 80 people total, the rate per person is reduced by $2 it cost $6000 (a fixed cost) plus ...
Tuesday, November 18, 2008 at 10:56pm

12th grade calculus
let f(x)=x^2 1. show that the line tangent to the graph of f at the point (1,1)is y=2x-1
Sunday, November 16, 2008 at 10:22pm

12th grade chemistry
A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.
Monday, November 10, 2008 at 4:45pm

12th grade calculus
a marathoner ran the 26.2-mi New York City marathon in 2.2h. show that at least twice, the marthoner was running at exactly 11 mph
Thursday, November 6, 2008 at 8:06pm

12th grade calculus
Let f(x)=[x^3-9x] [] --- absolute value a. does f'(x) exist? b. does f'(3) exist? c. does f'(-3) exist? d. determine all extrema of f.
Tuesday, November 4, 2008 at 11:22pm

12th grade calculus
find the lines that are tangent and normal to th ecurve at the point given 1. 2xy+piesiny=2pie (1, pie/2) 2. x^2cos^2y-siny=0 (0, pie)
Sunday, October 19, 2008 at 9:06pm

12th grade calculus
find the derivative of y with respect to the appropriate variable y=sec^-1*5s
Sunday, October 19, 2008 at 8:37pm

12th grade calculus
find the derivative of y with respect to the appropriate variable. y=sin^-1ã2t ã =radical
Sunday, October 19, 2008 at 8:34pm

12th grade calculus
find points on the curve x^2+xy+y^2=7 (a) where the tangen is parallel to the x-axis adn (b) wehre the tangent is parallel to athe y-axis. (in this case, dy/dx is not defined, but dx/dy is. what value does dx/dy have at these point?)
Sunday, October 19, 2008 at 8:13pm

12th grade calculus
find the lines that are (a) tangent and (b) normal to the curve at teh given point x^2 + xy - y^2 = 1
Sunday, October 19, 2008 at 7:23pm

12th grade
How is the structure of the female and the male reproductive system suitable for their functions? Please reply soon!!! Thanks.
Thursday, October 16, 2008 at 6:06pm

12th Grade Physics
Q. a 2.0 kg block is placed against a spring of force constant 800 N/m, which has been compressed 0.15m. The spring is released, and the block moves 1.2m along a horizontal surface with a coefficient of friction of 0.19. The block then slides up the incline with a coefficient ...
Tuesday, October 14, 2008 at 10:46pm

12th grade physic
Q. A satelite is in a circular orbit around the earth with a period of 6.0 hours. A retrorocket thruster is fired which slows the satelite down to half its speed and places it in a new orbit. G = 6.67 x 10 power of -11 N.m2/kg2 mass of earth = 5.98 x10 power of 24 Kg radius of...
Tuesday, October 14, 2008 at 10:36pm

12th grade
I'm having trouble ordered triple in algebra 2 w/ trigonometry, could someone please hellllllllllllllllllp me!
Monday, October 13, 2008 at 9:03pm

12th grade
Indication is to sign as cloud is to weather?
Monday, October 13, 2008 at 7:13pm

12th grade Physics
"If a skier coasts down a slope at an angle of 24 degrees below the horizontal, what is her acceleration if the force of friction is negligible?" I must have done this question 15 times, and still can't get the right anwser. Can anyone help me?
Monday, October 13, 2008 at 4:30pm

12th grade Math?
How would you factor 3x^3-4x^2+4x-1? P.S. Factor theorem does not work here.
Sunday, October 12, 2008 at 11:48pm

12th grade Physics
A boy pushes a lawn mower with a mas of 17.9 kg starting from rest across a horizontal lawn by applying a force of 32.9N straight along the handle, which is inclined at an agle of 35.1 degrees above the horizontal. The magnitude of the mower's accelerations is 1.37m/s^2, w...
Sunday, October 12, 2008 at 3:01pm

12th grade Physics
A bird accelerates from 5 m/s,north to 25 m/s,north in 4s. A) What is the bird's acceleration vector? B) How far and in what direction does the bird travel in this interval? C) What is the bird's average velocity?
Tuesday, October 7, 2008 at 6:58pm

12th grade Physics
In an experiment, a car taveling at 88m/s,west slams into a wall and comes to a halt in 0.75 seconds. What is the car's acceleration vector?
Tuesday, October 7, 2008 at 6:45pm

12th grade
Hey I have an exam tomorrow and I cant understand this things.. Help me please .. 1: Derivative using the limit concept 2: Determine a Derivative using the theorems. 3:Evaluate velocity at the beginning and at the end 4: Using implicit derivation and find the normal and the ta...
Tuesday, October 7, 2008 at 12:28am

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