Friday

May 27, 2016
Total # Posts: 1,409

**algebra 1**

Got a test tomorrow... Say you have a system of equations (linear), that you can solve using substitution, graphing, or elimination. Without solving the equations, can you tell if there is one solution, many solutions, or no solution?
*February 27, 2008*

**PHYSICS**

Two planes fly from toronto to philadelphia. Plane a flies via pittsburgh whereas passenger on plane B have a direct flight. Pittsburgh is 350km due south of Toronto and 390km due west of Philadelphia. The airspeed of both planes is 400km/h and a steady wind is blowing from ...
*February 27, 2008*

**Thoreau**

Thoreau is not a conformist though. It seems to me that he is saying that he would like to be a conformist like everyone else because it is easy, but he knows it is wrong and thus choses to be a nonconformist. Why did you say a conformist means to be someone who lives in ...
*February 24, 2008*

**Thoreau**

Okay, thanks. One more quote please? "I seek rather, I may say, even an excuse for conforming to the laws of the land. I am but too ready to conform to them."
*February 24, 2008*

**Thoreau**

Can someone please help better explain this quote to me by Thoreau? "Truth is always in harmony iwth herself, and is not concerned chiefly to reveal the justice that may consist with wrong-doing."
*February 24, 2008*

**world history**

it never seems to work very well thanks anyways
*February 22, 2008*

**world history**

I looked there already
*February 22, 2008*

**world history**

What did Mussolini's propaganda consist of? Why was it so effective?
*February 22, 2008*

**music**

How did the media's representation of commercial music change during the years 1971-1989 compared to the 1960's? What caused this change?
*February 22, 2008*

**Math**

If you wanted to put 36, 34, 26, and 4 percent into a circle graph, how many degrees would each angle for each percent be?
*February 19, 2008*

**Probability**

What is the probability of spinning a number greater than 5 OR less than 3 on this spinner? This problem has a picture of a spinner with 8 sections divided equally. The sections are labeled: 1,2,3,4,5,6,7,8.
*February 18, 2008*

**American History**

I am writing a research paper on President Abraham Lincoln I have to describe reasons why he was such an influential leader. I need at least 3-4 main ideas to work with on this paper and so far I only came up with one..he ended slavery...any suggestions?
*February 18, 2008*

**Mathhhh**

never mind! Someone already helped me. :]
*February 18, 2008*

**Mathhhh**

Let's do this again: is 14/3 a rational number even though the calculator says .666666666667? Please answer all questions, thank you.
*February 18, 2008*

**math :] 2**

thank you so muchhhhhhhh. =]
*February 18, 2008*

**math :] 2**

I meant rational, so sorry.
*February 18, 2008*

**math :] 2**

So is it a national number or what?
*February 18, 2008*

**math :] 2**

Is 14/3 a rational number? I think so... but I'm confused because if you divide 14 by 3 then the decimal part is .66666666666666666666667. Is that considered a repeating decimal? If it is, then it's a rational number. I'm just doubting because of the 7 at the end. ...
*February 18, 2008*

**Nutrition**

sushi :] Just kidding. Well, they also put is as spa treatments. There is a very helpful web in google. Just type: avacado nutrients. Pick a website.
*February 18, 2008*

**math :]**

Is 14/3 a rational number or a irrational number?
*February 18, 2008*

**psychology**

how can motivation affect behavior? what are some examples?
*February 3, 2008*

**american history**

why did the duel between burr and hamilton take place?
*January 10, 2008*

**Math**

it does not go in it only goes into it 16 tims because its apart of the threes team.
*January 7, 2008*

**POLITICS!!!!!!**

Thank you so very much!!!!! This answer has really helped me with my homework. I really like this website, I feel that it really helps students in need! Thank you for your support!
*January 2, 2008*

**ANOTHER Q, PLZ ANSWER**

but who CHOOSES the governor then?
*January 2, 2008*

**POLITICS!!!!!!**

Today, we elect governors and can remove them by voting them out of office. But who elects governors then?
*January 2, 2008*

**Projects**

THANK YOU! THANK YOU SOOOOOOOOOOOOOOOOOOO MUCH!!!
*December 28, 2007*

**Projects**

Somebody please!!! It's very very very very urgentttttt... -.-;;
*December 28, 2007*

**Projects**

Were the Chinese, Japanese, and Korean once united, like were they once ONE COUNTRY? Because some Chinese and Korean words sound alike. Some Japanese and Chinese words look alike. Was there histiry behind this?
*December 28, 2007*

**physics SHM**

woah. Will i have to learn this when i grow older?
*December 28, 2007*

**PLEASE HELP!!!!!**

What is the distance (in miles) from Ny to Europe? It doesn't matter what place. Just the distance in miles or anything else. PLEASE!
*December 3, 2007*

**math**

oh, okay, I get it now; thanks!
*December 3, 2007*

**math**

sorry, but I don't get it; how can I have two different solutiuons hen I'm only supposed to have one? Still, thanks.
*December 3, 2007*

**math**

Find the two numbers that multiply to the product number and add to the sum number of the following: a)Product 563033256; Sum 51895 b)Product -43481220; Sum 28429 c)Product 2545124358; Sum -105619 I tried xy = product and x+y = sum, but it didn't work out... Can someone ...
*December 3, 2007*

**SCI. HELPPPP**

We're learning about continental drift, and I don't think the teacher explained it specifically then
*December 3, 2007*

**SCI. HELPPPP**

Just to Europe, any place, I think to the coast of Europe Just anyplace!!! Please!!! thank you
*December 3, 2007*

**SCI. HELPPPP**

hi i really really can't find this plz help mee~ Find out the exact rate of movement/increase of distance from New York to Europe THANKS~
*December 3, 2007*

**HELP HELP SCI.**

THANK U SOOOOO MUCH!!!! THIS WAS THE BEST ANSWER EVER!!!!! X]
*November 29, 2007*

**HELP HELP SCI.**

Why did Alfred Wegener have a hard time making people believe his theory of continental drift? HELPPPPP :D
*November 29, 2007*

**maths**

oh... okay, thanks for the correction and the explanation
*November 22, 2007*

**could you please explain**

sorry, but I don't get where you're getting "n= (-1+-sqrt 332929)/2= -1/2 +-288.5" could you please explain?
*November 22, 2007*

**maths**

oh, okay! I'll try it out; thanks so much!
*November 22, 2007*

**maths**

Using the following formula for a triangular number, verify that 1225 and 41 616 are triangular numbers. [Hint verify that there is an n for each number that satisfies the equation] e.g., t5 = 15 =(5+1)/2 tn = n(n+1)/2 so, should I plug in 1225 and 41,616 and work the equation...
*November 22, 2007*

**science I**

consider two bodies A and B of equal masses.Suppose thatthe body A is on the ground and the body Bis ata height h above the ground.What can you say about the difference in the gravitational potential energies of the two bodies? please explain
*November 11, 2007*

**maths**

MsSue can you tellme that whilesolving this question by sqarring what answer do you get 6x(^2)-x-1=0
*November 10, 2007*

**maths**

help me with quadratic equation plz give example
*November 10, 2007*

**grammar**

can anyone tell me about clauses
*November 10, 2007*

**geometry**

In a cyclic quadrilateral show that the sum of the products of the opposite sides is equalto the productof the diagnals. please help me
*November 10, 2007*

**math**

it is greater than 43 and less than 52. if you add the digits the sum is 8 write the number word
*October 25, 2007*

**HELP PLEASE**

I'm really, really, really, sorry but I seriously need help. I can't find a TIMELINE of George Vancouver's special journeys and events. PLEASE HELP ME!!! IT WILL MEAN SO MUCH TO ME!
*October 14, 2007*

**S.S.**

I'm really sorry, but do you know a website where it shows George Vancouver's timeline?
*October 14, 2007*

**S.S>**

What were George Vancouver's goals and aspirations?
*October 14, 2007*

**S.S.**

how did george vancouver learn about being a explorer?
*October 14, 2007*

**ap chem**

How do you set this problem up? A laser emits at a wavelength 987 nm. all of its output energy is absorbed in a detector that measures a total energy of .52 joules over a period of 52 seconds. how many photons per second are being emitted by the laser?
*October 13, 2007*

**math**

what temperature is 7 degrees colder than 3 degrees? thank you for your help!
*October 11, 2007*

**essay help**

so i've decided to write an essay using lord of the flies, the scarlet letter, and brave new world for my topic (qualifying that ones' morals are either strengthened or weakened). we have to use some type of statistic and image for our essay but i can't think of ...
*October 9, 2007*

**ap chem**

the units are all kj/mol. and no i did not, the second equation is supposed to be endothermic.
*October 4, 2007*

**ap chem**

calculate the enthalpy of formationof solid MgOH2, given the following data: 2Mg(s) + O2(g)-> 2MgO(s) heat:-1203.6 Mg OH2(s) -> MgO(s) +H2O(l) heat: 37.1 2H2(g)+ O2(g) -> 2H2O(l) heat: -571.7 what equation would they want the three equations to develop into and which ...
*October 4, 2007*

**Social Studies**

fill in the blank: giovanni Belzoni was a strongman and an blank who sent to egypt to recover the ancient statue of blanety blank
*October 4, 2007*

**PHYSICS**

thank you SO much, i got them all right in the first try! the answer to question c is "need more information"
*September 30, 2007*

**PHYSICS**

This is what i reasoned: a) if block is moving up the ramp, it means that tension is greater than the sin of mg. if T was half of mg, that means the speed decreases up the ramp because the T force is less. b) it would increase. i dont understand what the 30 deg has to do with ...
*September 30, 2007*

**PHYSICS**

A mass on a frictinless inclined ramp is connected to a rope with tension T. Complete the senteces with correct selection: -increases -decreases -stays the same a) If the block is moving up the ramp and theta=30 deg, its speed initally _________ if T=(mg)/2 b) If the block is ...
*September 30, 2007*

**Physics**

A Block weighing 72.2 N rests on a plane inclined at 20.0 deg. to the horizontal. The coefficients of static and kinetic friction are 0.22 and 0.12 resp. What is the minimum magnitude of F that will start the block moving up the plane? (I also got 9,74 N for this.. but wrong ...
*September 29, 2007*

**ap chem**

Under constant-volume conditions the heat of combustion of glucose is 15.57 kJ/g. A 2.500g sample of glucose is burned in a bomb calorimeter. The temperature of the calorimeter increses from 20.55 C to 23.25 C. What is the total heat capacity of the calorimeter? Which ...
*September 26, 2007*

**Physics**

The post is 8 years old now, but for anyone viewing the page: The book is wrong because the unit for velocity is m/s, not s(seconds). Your answers are correct, Lindsay.
*September 25, 2007*

**stats**

A soft drink vending machine is supposed to fill cups with pop. The cups hold exactly 8 oz of liquid. Suppose the actual amount dispensed by the machine follows a normal distribution with mean 7 oz. If it is found that exactly 4 percent of the cups overflow, what is the ...
*September 24, 2007*

**Statistics**

A soft drink vending machine is supposed to fill cups with pop. The cups hold exactly 8 oz of liquid. Suppose the actual amount dispensed by the machine follows a normal distribution with mean 7 oz. If it is found that exactly 4 percent of the cups overflow, what is the ...
*September 24, 2007*

**Chemistry**

An element consists of two isotopes of mass 36.4681 and 43.59612 amu. If the average atomic mass of the element is 40.741 amu, calculate the percent abundance of the first isotope.
*September 24, 2007*

**Chemistry**

calculate the wavelength of the second line in the Brackett series (nf=4) of the hydrogen emission spectrum. Rh= 2.180e-18 any help please? i know its energy levels 4 to 6... but that is all.
*September 24, 2007*

**Social Studies**

there's no continents in america?
*September 17, 2007*

**ap chem**

A certain volume of a .50 M solution contains 4.5g of a certain salt. What mass of the salt is present in the same volume of a 2.5 M solution? Indicate the concentration of each ion/molecule: A mixture of 50.0 mL of .2M KClO3 and 25.0 mL of a .20M Na2SO4. How would you answer ...
*September 13, 2007*

**psychology**

what are four subfields of psych?
*September 5, 2007*

**math**

2.089 in expanded form
*September 4, 2007*

**Projects**

Can somebody PLEASE tell me a lot of fun places to go to in Tennessee? I need to do a project about TN. Thank you!
*August 27, 2007*

**Project~Writing**

THANK YOU SOOO MUCH!!! But, I have heard from my teacher that you can't trust Wikipedia because ANYBODY can post something on there. But, THANKS ANYWAYS! :D
*August 24, 2007*

**Project~Writing**

How does a Table of Contents look like?
*August 24, 2007*

**PROJECTS**

Can you please give me images about how to make a timeline? Thank you for using the Jiskha Homework Help Forum. The following site has samples of timelines: http://www.teach-nology.com/web_tools/materials/timelines/ Thank you SO much!It really helped me! i have write abt ...
*August 20, 2007*

**translation**

hi, my name is lily and i need a site or someone very skilled and knowelged in the ancient language of latin to translate for me: the word "courage" and "honor" its very important to me that the exact meaning is put across, not a simple word substiute. ...
*July 31, 2007*

**Math**

Gasoline accounts for 85% of the motor fuel consumed in the United States every day. If 8,882 thousand barrels (bbl) of motor fuel is consumed each day, how much gasoline is consumed each day in the United States? Round to the nearest barrel. Would his be correct? 82%=82/100 ...
*May 27, 2007*

**science**

What are some examples of biotic and abiotic factors of an Eastern Bluebird? Biotic is living factors and abiotic is non-living factors. So, for a bluebird, sunlight (length of days effecting ovulation)availbility of water for drinking would be Abiotic factors. Food, nesting ...
*May 21, 2007*

**algebra**

can anyone tell me about polynomials please You need to be more specific in your question. Polynomials is just about half of a beginning algebra course.
*May 20, 2007*

**Dogs**

Do dogs eat rodents, fish, and rabbits? no. dogs do not eat any of those stuff. except maybe fish. Many dogs will eat anything they can get there jaws around. They aren't particularly picky. I won't tell you what mind get into. <G>
*May 8, 2007*

**inspirational poems**

Can you give me a website for inspirational poems please? http://www.businessballs.com/ifpoemrudyardkipling.htm Besides "If", see the list at the bottom of the page..."Do not stand at my grave and weep" is pretty strong. Thank you so much!!!!! I didn't ...
*May 7, 2007*

**chemistry**

where can i find printable worksheets from prentice hall for chemistry? I looked, but could not find any from PH online for any grade level. nor did I.
*May 7, 2007*

**random**

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.
*May 7, 2007*

**Table of Contents**

I seem silly asking this question but.... How does a table of contents look like? I forgot. Thank you for using the Jiskha Homework Help Forum. The Table of Contents in ANY book that you are familiar with, will give you an idea of the format. Also, here is an example: http://...
*May 6, 2007*

**Diorama**

I just thought that there are people always on this web 2 help. Now I know. *-* Lily, yes I am a teacher, and so are a number of others who help here. We are happy to help, but are not always here at the exact moment you are. Good luck with your project. Thankz anyways. Wat ...
*May 6, 2007*

**Social Studies**

What's a web for help with Ancient Egyptians' mummification process? Here are a couple of sites that will be of help. http://www.touregypt.net/magazine/mummificationinancientegypt.htm http://www.egyptologyonline.com/mummification.htm Thanks so much. Thanks to the ...
*May 6, 2007*

**alg2 (sequences)**

how do i find the pattern for: -4,8,-12,16 if the last number is negative, multiply by -1 then add 4 if the last number is positive, add 4, then multiply by -1 or how about termn+1 = (abs(termn))*(-1)^n, where term1 = -4, n>0 oops that last line should have said: termn+1...
*May 3, 2007*

**math**

Can someone please help me with these few problems here? Find the holes and points of discontinuity: 12x^4+10x-3 ----------- x-1 and 12x+24 ------ x^2+2x In the first, examine x=1 and in the second, examine x=-2. Look at the numerator also at that same point. Oh, I am so sorry...
*April 28, 2007*

**english (red sky at morning)**

what does the allusion "knees that launched a thousand ships" refer to? Here is the background of the original phrase: http://www.phrases.org.uk/meanings/359800.html What you quoted is alluding to this in some way. Helen of Troy, the most beautiful woman in history, ...
*April 25, 2007*

**Math**

Solve 2x-y+3z=8 x-6y-z=0 -6x+3y-9z=24 Did you notice that your third equation has the same normal as the third one? So visually I see two parallel planes intersected by third non-parallel plane, namely the second equation. So solve equations 1 and 2, and express them in ...
*April 21, 2007*

**biology**

please help me unscrample the following words: (the space means thate the anagram has two words in it, but the space is not necessarily at the space) rmns teizysecntiore nt roetssieitrsic id ksdxlne so derrecisgntdie Thank you very much for your time! -Lily ...
*March 19, 2007*

**egypt mummification**

the ancient eygptians stuffed their nastrilsith bees wax- sixth grader
*February 8, 2007*

**Declaration of Independence**

he served commander-in-chief of the continental army the american revolutionarywar
*January 23, 2007*

**ANYBODY HERE, I NEED HELP WITH ENGLISH HOMEWORK**

ENGLISH HOMEWORK: WHAT MEANS ABANDON? WHAT MEANS I ABANDON A BOOK? http://www.google.com/search?hl=en&lr=&defl=en&q=define:abandon&sa=X&oi=glossary_definition&ct=title
*December 24, 2006*

**Algebra**

Write a system of inequalities to express the exterior of the triangle ABD if A=(-2,7), B=(4,0), and C=(1,-3). Please help! gracias<3 Derive equations for the three lines connecting the three points. Then change the equations to inequalities to represent the region on the ...
*December 20, 2006*

**Math**

Simplify. (5x2 + 3x - 7) - (x2 - 7x + 4) Simplify. (5x^2 + 3x - 7) - (x^2 - 7x + 4) distribute - sign to get -x^2 +7x -4 put on top of one another and add 5x^2 + 3x - 7 -x^2 + 7x - 4 ------------- 4x^2 +10x -11
*December 16, 2006*

**Chemistry**

Given the following equation: SO2 + NO2 <--> SO3 + NO At 25 Celcius, 2.00 mol of each of SO2 and NO2 are introduced into a 1.0L sealed flask. When euilibrium is reached, it is found that [NO2] = 1.30 mol/L [SO3] = 1.30 mol/L -- Calculate the concentration at equilibrium ...
*November 8, 2006*

**acids and alkalis**

the only acids and alkalis i know is acid: batterys? acid rain lemon and orange alakalis: toothpaste mouthwash shampoo detergents and soap can someone plz help me to add more to my list? thnx if you do i rly need it for my upcoming science test and the more that i collect the ...
*November 4, 2006*