Total # Posts: 691
[x^5(-3)(x^2+1)^-4(2x)]-(x^2+1)^-3(5)x^4] / (x^5)^2 Can someone show my how to simplify this, step by step? So far I got that the denominator should be x^10 because of the exponents, and (x^2+1)^-4 could be simplified as [(x+1)(x-1)]/4, likewise with (x^2+1)^-3, except the ...
September 9, 2008
5x^2 + 26x + 5 Besides guessing and checking, is there any other way or "trick" (preferably not time-consuming) to factor polynomials whose leading coefficient is NOT 1? Thanks much!
September 3, 2008
Describe at least three potential indoor air quality (IAQ) hazards in your home. What are the possible health impacts of each hazard? Do you believe your health is at risk based on your exposure to the three IAQ hazards? Why or why not? What can you do to reduce exposure to ...
August 6, 2008
Provide a one sentence description of typical precipitation and temperature for summer and winter. Use terms such as cool, cold, warm, hot, dry, and wet. Then, identify the characteristics of a plant and animal that is seen regularly in your region. How do the characteristics ...
July 24, 2008
hi i was wondering if u can help me with this problem which says...stopping distance is breaking distance plus your reaction time. suppose you are told that the stoppin distance D is related to speed S by this equation: d(s)= 0.05s to the 2nd power+2.15s+1 and i need to slove ...
July 20, 2008
Law and Ethics
I am also taking this same course with Penn Foster for Health Information Technology. I have been stuck on this research paper for about 1 month now. I'm wanting to finish it so badly. I have most of the answers except the one about the written privacy policies and ...
July 20, 2008
INTRODUCTION TO PSYCHOLOGY
What are some of the ways that Psychologists attempt to explain human behavior? One of the major debates within the field of Psychology is the degree to which nature versus nurture shape human behaviors and traits. What comprises our nature? How would you define nurture? How ...
July 16, 2008
Create an outline of the risk of using Malathion according to the four steps of risk assessment presented in Ch. 4, p. 73, Figure 4.1: o Hazard identification o Dose-response o Exposure o Risk characterization · Decide your vote for the city council based on your ...
July 15, 2008
Post your response to the following: Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your view to defend your position.
July 10, 2008
AP World History
A study question for George Orwell's "1984": Why is what the Party does to Winston UNLIKE other times in history when enemies were dealt with? The answer's going to be somewhere from the beginning of Part Three to Ch. IV, I'm just not sure what to answer...
July 4, 2008
"A hierarchial society was only possible on a basis of poverty and ignorance." - From George Orwell's 1984 My first thought for the meaning of this quote was that a leveled society (low-med-high "class") would only be established by the poor and ...
June 26, 2008
In three of last four presidential races, the winner of the iowa repbulican primary has not captured the republican nomination. Therefore, the winner of the next iowa republican primary will not capture the republican nomination
June 4, 2008
Who deliberately stayed away from the covention during a crucial vote so that his colleague could cast Maryland's vote with a smaller state? Was it George Washington, Luther Martin, Danial St.Thomas Jenifer, or Abraham Baldwin.
May 28, 2008
Math - Geometry
A cylindrical solid has a cylindrical circular hold drilled out of the center. Bascially, it's a circular cylinder with a hollow spot right down the middle. Find the surface area of the resulting solid. radius of larger circle: 2in radius of smaller circle (hollow area): ...
May 21, 2008
Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help me? Thanks ...
April 19, 2008
The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y-10), while arc SR is (2y+20). I know there's a theorem that states that when two chords intersect in the ...
April 1, 2008
A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ lies point R, SU point T, UW point V...
April 1, 2008
I asked a similar question earlier, but I wasn't clear enough. The subtitle of Auden's The Unknown Citizen is "To JS/07/M/378 This Marble Monument is Erected by the State" So, is the entire poem an obituary written on the monument? Or is it a government ...
February 26, 2008
Okay... these are a lot of questions! would Auden's 'The Unknown Citizen' be an example of reductio ad absurdum? And is the entire poem an epitaph? Or is it simply the persona speaking? Would you say it is a combination of elegy and satire?
February 26, 2008
help please. i don't even know where to start An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15?C. When the container is evacuated and refilled with a ...
January 23, 2008
I HAVE A TAXONOMY PROJECT DUE TOMORROW AND I REALLY DO NOT UNDERSTAND EXACTLY HOW TO DO IT. AT THE TOP IT SAYS "IN THE YEAR 2525" I DO NOT KNOW HOW TO WORK THIS. CAN YOU PLEASE HELP ME OUT????
January 22, 2008
Please help with this question. Determine an algebraic model for Alvins data and use it to make a reasonable prediction for the population in 2036. I am having trouble with the algebraic model. thanks
January 13, 2008
I have to write a movie/tv script satirizing/parodying gender stereotypes as they are seen in western media today. It has to have one female and male gender stereotype but the twist is we must satirize the gender stereotypes in our script. Could you please explain this to me ...
January 10, 2008
Math - Geometry
Two right triangles are touching at the tips. The left triangle has the 90 degree angle to the bottom left, and 33 degrees on the bottom right. Based on this info, the other angle is 57 degrees. The right triangle has the right angle given, but it is on the top right, and the ...
December 1, 2007
B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the measure of angle DOA. (...
October 10, 2007
Express the quantification: Existential(!)x P(x) using universal quantifications, existential quantification and logical expressions. For sake of typing this question, I'm going to let "E" be the existential quantifier, "A" be the universal quantifier&...
September 12, 2007
Early Childhood Literacy
I need some input on these questions. If you feel I'm wrong-please let me know. Thanx for helping! 1.Which one of the following would NOT be typical communication for a three- year-old? A. "That's scary!" B. "I'm hungry." C. "Nobody likes ...
August 30, 2007
I need to fix this sentence: After the settlers came our countrys landscape changed mountains wer bare and many streams went dry Please help I'm not good w/ punctuation You have two separate sentences here. They should either have a period or a semi-colon between them. ...
August 20, 2007
need guidance on an algebra problem
20 x+3(y-1)=11 2(x-y)+8y = 28 multiply out 20 x+3y-3=11 - Is this correct? 2x+14y = 28 Using the addition method, would you multiply the first problem by 2 and the second by 20? No. In the second multiply out, you should have gotten 2x -1y+8y=28 or 2x+7y=28 No, in the ...
August 20, 2007
Please help me with some problems. Thank you! Solve the equation by square root property. 3. 2x^2 = 26 I don't understand how to solve this problem. Solve the equation using the quadratic formula. 7. 7x^2=-8x -2 This is what I got x= -8 -or+ square root -8/14 8. 16x^2+1=5x...
August 18, 2007
There is no base, only acid and conjugate base the HONH3 acts as the acid here, and the HONH2 is its conjugate base. its the same exact thing as if the equation were HONH3 >< HONH2 + H(+)
August 3, 2007
Social Studies - Geography
I need some help on the General Information of China for class. I'm doing a worksheet and there's a question I'm kind of stuck on. The main way personal communication in China takes place by the _____________. My first guess is technology, because the 2nd part of ...
May 21, 2007
Social Studies (repost)
I have a problem with two questions on my geography worksheet on East Asia. I need to know the city between Shanghai and Nanjing (Nanking?) and the mountains west of Tokyo. The catch is, the answer to the Shanghai/Nanjing question has the letter "o" repeated. The ...
April 24, 2007
Social Studies - Geography
I'm having some trouble with the worksheet I'm doing for geography class.It's on East Asia,and the thing that's messing me up the most is the spelling of the cities/bodies of water/physical features, like Mongolia's capital, Ulaan Baatar, which has ...
April 24, 2007
Many children grow up with a considerble amount of violence in their lives protrayed in movies,video games,television,witnesing family violence,or being victims of child abuse themselves. Research on the effects of violence on children indicates: 1.that all children exposed to...
April 11, 2007
Ok, I have two questions first: 1. I'm asked to find a cartesian equation for the polar graph of this polar equation: r^2 = sin(2(theta)) The answer I got was (x^2+y^2)^2/(2xy) = 2 Is this the correct way to express it? 2. I need to find the cartesian equation for this ...
April 10, 2007
I'm not sure how to go about answering this question... I have all these equations and none seem to apply. The question is: If you have two speakers on opposite sides of a concert stage producing identical sound waves with a wavelength of .8m. If you consider only the ...
April 4, 2007
I posted a question yesterday asking for some links about guilds during Shakespeare's time. I have two more questions. The first one: Are Sea Dogs basically pirates or mapmakers? Or are they both? The second question: What exactly are the "tools of trade" for the...
February 22, 2007
As an introduction to Shakespeare, we're doing a project on medieval guilds. Can anybody help me on where to search information on the Seadogs guild? I've been looking and all I've gotten was info on the movie, or a modern guild. Thank you :) "1600-1800 States...
February 20, 2007
general differences and similarites between australia and united states of americal Australian government: http://www.google.com/search?q=australia+government&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA (Skip the second link.) USA government...
February 20, 2007
You may have to decide a second theme be sure to show a variety of examples (plant, animal, and other kingdoms) from a variety of smaller habitats within your ecosystem. explain how your examples fit the extreme theme. this is ecology. Thank you for using the Jiskha Homework ...
January 8, 2007
Can a cellphone place near a pacemaker patient heart change the pacemaker patient heart rate and how? Can I use my cell phone if I have a pacemaker? The types of cell phones used in the United States are less than 3 watts and do not seem to affect pacemakers. But to be safe, ...
December 27, 2006
Describe what happened to Mt. St. Helen on May 11, 1990 Please use your favorite search engine and search for Mount St. Helen. I'm sure you'll find many sites that describe this event.
November 20, 2006
how did the crusades encourage europeans to explore The Crusades took thousands of men from Europe to Turkey, Israel, and other parts of the Middle East. There they learned of different ways of life and exotic products from many other parts of the world. Desire for these ...
October 24, 2006
Tell me everything about water scorpion even where they live what they eat etc? These sites have a lot of information about water scorpions. http://www.naturegrid.org.uk/biodiversity/invert/watscorp.html (Broken Link Removed) (Broken Link Removed) http://www.dnr.wi.gov/org/...
October 9, 2006
how would you do this problem with intergers? 30+(-25)+(-15) when I did it I got -10 is that right? try doing it on a calculater i would but i can't find mine. Yes the answer is -10.
September 12, 2006
The math problem is........... 3n to the 2nd power when n=3 what do I do first if nothing is in parenthesis? Do I multiply 3n or do n to the 2nd power first? square n, then multiply it by three. That's a good question Nikki. We would read (3n)^2 as quantity 3n to the 2nd. ...
September 7, 2006
What would be the prepositional phrase, subject, and verb phrase in this sentence? The gift was from John and his sister. Let me point out first that I am far from an English major and you should use additional resources but this is the way I see it. subject--gift verb--was ...
September 6, 2006
How do you find a simple subject in a sentence? The word that describes what we are talking about is the subject. "The man read to his son" is a sentence. We are talking about the man. Man is the subject. I hope this helps. One of the English gurus can give a much ...
September 5, 2006
i always have late work i was almost held back last year cause of it i need tips on homework! Tips on studying, including homework. Read the chapter in the book BEFORE class. Take notes in class. After class, read the book again and add to your notes to explain things you ...
July 23, 2006
what is the primary focus of all biological studies? I love u nichole The primary focus is the living processes of organisms or groups of organisms. what is the primary focus of all biological studies what is the primary focus of all biological studies?
August 16, 2005