# Posts by Larry

Total # Posts: 860

Math
Is there any one who knows if I am right? Do not solve, show possibilities of Descartes's rule of signs for roots. 4x^3-9x^2+6x+4=0 f(x)=4x^3-9x^2+6x=4 - + + one change =4(-x)^3-9(-x)^2+6(-x)+4 - + - + three changes Positive Negative Imaginary 2 1 0 1 2 0 3 possible roots

Algebra HELP!
Do not solve, show possibilities of Descartes's rule of signs for roots. 4x^3-9x^2+6x+4=0 f(x)=4x^3-9x^2+6x=4 - + + one change =4(-x)^3-9(-x)^2+6(-x)+4 - + - + three changes Positive Negative Imaginary 2 1 0 1 2 0 3 possible roots

Algebra
Do not solve, show possibilities of Descartes's rule of signs for roots. 4x^3-9x^2+6x+4=0 f(x)=4x^3-9x^2+6x=4 - + + one change =4(-x)^3-9(-x)^2+6(-x)+4 - + - + three changes Positive Negative Imaginary 2 1 0 1 2 0 3 possible roots

Math
A recipe calls for 2/3 cups of green peppers. What would it be if you wanted to make half of the recipe?

Algebra
give indicated composite for pair of functions (g o f)(x):f(x)=x-3/6, g(x)=6x+3 g(f(x)) g(x-3/6) =6*x-3+3/6 would my answer be: (g o f)(x)=x I am not sure if I answered the problem completely.

algebra

Chemistry
I cannot find information that gives me a clear answer whether NaBr is an electrolyte or non electrolyte. I have found some information that K2SO4 is an electrolyte, but now I am doubting that. All of my others I have been able to find solid information on, but these two have ...

world history
what was capotal of the Ausro-Hungarian province of Bosnia? Vienna

world history
what was the name of the concept which spread this desire for increased militarism and was characterized by the phrade "survival of the fittest"-- evolution being applied to society? Social Darwinism

world history
what were the two "lost provinces" located on the border of France and Germany that the Germans had gained possession of as a result of their 1871 victory in the Franco-Prussian War? Alsace and Lorraine

world history
what ineffective world court was set up by world leaders who served as delegates to the First Universal Peace Conference which was held in the Netherlands in 1899? Hague Tribunal

World History
what is the term for the opposition to all war that was promoted by organizations such as the Women's International League for Peace and Freedom? pacifism

World History
who was the former chancellor of Germany that had correctly predicted not only the coming of the first World War, but also that it would begin in Eastern Europe? Archduke Francis Ferdinand

english
What is the difference between the movie and book for flower for Algernon?

pre-calc
is x=15 degrees a solution of radical 3/3 cos2x+sin2x=0

lit
I have to write a modest proposal similar to Jonathan Swifts. Please tell me if I am on the right tack (if there is changes to be made show me where) It is devastating and heart wrenching to see how the world is slowly transforming into a heat machine and a toilette. The ...

History
How did human history in North America during 12,000BC - 1000BC differ from the events of Asia, Eurasia, and Europe?

gov
Does anyone know a website that has an in-depth analysis on the movie the patriot?

ss
Does anyone know a website that has a good analysis on The Patriot(movie)?

science
What are some problems with the lost or lack of biodiversity?

Language
answer this analogy:born:died::ugly:b_____ Born and died are antonyms (opposites). What is an antonym for ugly?

math
if x =3 and y = -4, find the value of 8x -10y I will be happy to critique your work/ or thinking on this.

The area of a rectangle of length x is given by 3x^2+5x find the width of the rectangle a=l*w =x*(3x+5) I stoped here I am not sure if I am correct i was taken the 3x+5 as the width and x as the length but i am not sure if the 3x+5 should be the area and divid by x the length ...

economics
I am writing a paper on how the monetary and fiscal policies have affected the auto industry i can not seem to find any web site to help me with this can any one give any suggestions Does available credit affect the auto industry? Does disposable income affect the industry? ...

ALGEBRA
In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate receive? would the formula i need to solve this problem x+y+220=810 y=x-220 The equations are not correct. Close, but you made a small ...

equation
if the gas prices was say was .90 a gallon in 1950 and the prices now are 3.00 a gallon how would you write an equation to show the increase I am needing to graph this so i need a slope i think can anyone explain this please There is no need to plot a graph for the slope. You ...

english
Can somone please give me an example of slapstick or a website? Thank you for using the Jiskha Homework Help Forum. First of all, a definition: 1. http://en.wikipedia.org/wiki/Slapstick Now slapstick comedy in the 1920's: 2. http://slapstick.lbox.org/

english
"Talk is cheap until you hire a lawyer." Can someone please explain to me how this is an example of punch line? That is called "satire". Anyone can talk and talk all they want to, no cost! just energy and air is all that is required. <G> BUT, when a ...

English
Does anyone know any websites that have humorous devices such as, absurdity, caricature, high humor, etc (with examples)? Here are two places I like. http://www.cartoonbank.com/prints_currentissue.asp?mscssid=W9RR21STX5LT8NEGE0T2BGN2NWLGBTE2&sitetype=1 http://www.theonion.com/...

Science
How come there is a lunar and solar eclipse only twice a year, and not once a month?

Science
Thank you! Why is there a lunar eclipse only twice a year and not once a month? Thanks for the help. On the night of May 15/16 we will be able to see a total lunar eclipse. Lunar eclipses can only happen when the Moon is full and it passes behind the Earth and into its' ...

Math
Hello. Well, I was wondering how you are supposed to memorize 1 times 1 (easy) through 12 times 12 (hard)! How do you do it?? Repetition is one way.

would someone please check this math
1 four buttons have diameters of 5/8 , 3/4, 9/16, and 7/8 which buttons is smallest? answer 9/16 2. I spent 1/3 of my time doing math homework and 2/7 preparing for a history test . what fraction of study time remain? answer: 13/21 3. least common multiple of 3, 6, 9 answer 18...

math check
1 four buttons have diameters of 5/8 , 3/4, 9/16, and 7/8 which buttons is smallest? answer 9/16 2. I spent 1/3 of my time doing math homework and 2/7 preparing for a history test . what fraction of study time remain? answer: 13/21 3. least common multiple of 3, 6, 9 answer 18...

1 four buttons have diameters of 5/8 , 3/4, 9/16, and 7/8 which buttons is smallest? answer 9/16 2. I spent 1/3 of my time doing math homework and 2/7 preparing for a history test . what fraction of study time remain? answer: 13/21 3. least common multiple of 3, 6, 9 answer 18...

chemistry
Is C7h16 + O2 = 7 CO2 + 8 H2O a balance chemical equation? C balances. H balances (you should capitalize it). O is not balanced. You need a coefficient of 11 for O2. Check that.

chemistry
Can someone define the mole concept? The mole is a number. A dozen eggs is 12 eggs. A gross of anything, pencils for example, is 144. A ream, of paper for example, is 500 sheets. A mole of anything is 6.02 x 10^23 of those anythings.

chemistry
105 grams of MgCl2 contains how many mols of MGCl2? mols = grams/molar mass Better get your calculator.

chemistry
how many molecules are present in 4.25 mol if CCl4? 1 mol = 6.022 x 10^23 molecules Therefore, how many molecules are in 4 moles? I don't have a calculator to figure out that problem, but I do understand it. i mn

math help
could some one please explain to me reciprocal how to find the reciprocal my math home work says find the reciprocal of (-1/8)(13/2)(4) reciprocal you change over so is the -1/8 -8/1 or would it be 8/1 13/2 would be 2/13 4 would be 4/1 then 1/4 then i would multiply all ...

English
How does walt whitman change the way people experience poetry? http://en.wikipedia.org/wiki/Walt_Whitman He got rid of the meter, so it cant be sung. It is freestyle, conversational. Read Leaves of Grass

English
Can someone give me websites that have problems that public schools are facing? http://www.google.com/search?hl=en&q=problems+public+schools =)

Chemistry
Hi, Does anybody know a list of websites that have a list of short labs (3-5 min) on chemistry? I hope these are of some help. http://www.chemistrycoach.com/Links%20to%20chemistry_experiments.htm http://chemistry.about.com/od/demonstrationsexperiments/...

English
Hi, I wanted to know if anybody knows or knows a website that can explain each line in the poem “The Tide Rises and the Tide Falls” by Longfellow This site has comments about the poem, but I didn't find a site that explains it line by line. http://oldpoetry.com/...

English
I wanted to know if I had the right idea. In the poem “To My Dear and Loving Husband" by Anne Bradstreet the poem is emotional because she is expressing the love she has for her husband, and it is also physical because the metaphors she uses helps have an image. If ...

English
Hi, I am analyzing poetry in my English class, and I have a? on Henry Wadsworth Longfellow’s poem, A Psalm of life. I have to say if it is emotional or physical. I think this poem is emotional, but I do not know how to explain that it is. http://oldpoetry.com/opoem/4413-...

1. Find the least common multiple of 4 and 11. Answer: 44 2 Divide. 91.41 divid 6 answer 3.235 3. If a gallon of water weighs 8.34 lbs. how much does 3.75 gal weigh? 8.34 x 3.75= 31.2750 4. find the circumference use 3.14 for pi diameter is 12 ft 3.14 x 12ft = 37.68 ft 5. ...

math
please check and see if my answers are correct if not let me know so i can redo these and find where i messed up 1. divid by moving the decimal point 27.3 dived 10^5 my answer .000273 2.Jon spent 1/3 of his study time doing math homework and 2/7 preparing for a history exam. ...

math
Can somebody please help me with this problem? This is the index-„³ 5 6^-5 The radical sign did not show, but the problem is: 5 is the index (outside the radical sign and then 6 is squared to the -5th power (inside the radical sign is under the radical sign) when ...

What is foreign investment? can some explain international investment theory to me? I am a 10 th grader I have to do a report and explain foreign investment and international investment theory in a paper where do I start? Please help Foreign investment is simply investing in ...

environmental science
What are the causes of wildlife extinction? I know that humans are the main reason but i am looking on more in the deforestation as a main cause but not sure how to explain it.needing to be able to explain this to a ten year old fifth grader. any suggestions. he has to have a ...

Chemistry
Which group of elements is characterized by an s2p3 configuration? What is the electron configuration of group 15? http://www.chemsoc.org/visElements/pages/data/intro_groupv_data.html thanks

environmental science
I have a project due in a three weeks and I am trying to get a head start on this.Here is the project and My Ideas I am needing where I can get some facts and figures to prove my point but i got lost on a few Ideas if anyone can help with a few ideas or sites I would ...

ENGLIGH
WHICH WORD HAS THE ROOT WHICH MEANS PLACE, SET? Position: http://www.etymonline.com/index.php?term=position =) My guess is plant The root is actually -pos- as in position impose posit depose deposit proposition propose disposable dispose disposition etc. You can also go to www...

enviromental science
need an example to understand how topographical factors intensify air pollution and how they can help pollution? Since this is not my area of expertise, I searched Google under the key words "topography 'air pollution'" to get these possible sources: (Broken ...

science
can some explain to me how birth, death and migration rates affect the population? I have read but really do not understand it? the factors that can affect these rates i am assuming is urbanization cost of raising and educating children educational and employment opportunities...

Computers
Is the term "You run a marathom differently than you run a track event" not an English example of polymorphism?

Question
I need to know who makes and how the desicion to stay on a Indian reservation if I know who I could search for how they decide. stumped please help. It's a free country. No native HAS to stay on the reservation. Initially the natives were rounded up and forced to stay ...

The rainbow stretched across the sky from the ice cream truck to the house down the lane. Between the sixth and seventh floors of the building in the stairwell over in the corner. Punctuating Sentences I am not sure if I did them correctily would someone please check for me ...

brain teaser help
I can put a beaker in the middle of the room and crawl into it. This depends upon the meaning of "it." If you are a linear thinker, you may(presumptively) conclude that "it" is the beaker. A global thinker will seek other options; the only remaining option ...

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