Questions Asked on
August 13, 2007

maths
IN this multiplication problem each letter P, Q and R represents a different digit. What 3 digit number is represented by PQR? PQR x 3 = QQQ 3xPQR = QQQ = Qx111 > PQR = 37 Q > P0R = 27 Q You know that 25x4 = 100, so you could try Q = 4, beause you
asked by JaredN1 
chemistry
if you added sulfuric acid to calcium nitrate what products in addition to calcium sulphate would you get if any ? if you start with calcium nitrate mixed into H2SO4 (aq), wouldn't you get a solution of nitric acid? H2SO4 + Ca(NO3)2 >>> 2 HNO3(aq) +
asked by walter 
Algebra II
I have some questions on my assignment, if you don't mind could you look over my answers. thanxs! Find all the numbers that must be excluded from the domain of the rational expression. x+8/x^216, my answer: x cant be 4 or 4 x3/x^2+11x+24, my answer: x
asked by Jesse 
maths
A small primary school has a total enrolment of 50 students. A total of 20 of these play hockey, 18 play netball and 10 play both hockey and netball. How many students play neither hockey nor netball? Of the 38 who play netball or hockey, ten play both.
asked by JaredN3 
History
How did the Cold War (period that began immediately following WWII) affect the Congo Since you're doing a research paper, I suggest you first check the article on the Congo in this encyclopedia. http://encarta.msn.com/ For more information, go to Google
asked by Dali 
biology
please help me on this one...i need to know how a paramecia responds to certain stimuli....like fresh water, drop of dilute salt water, drop of vinegar, piece of food, air, and carbon dioxide. I need to know if it responds to a positive, negative or a no
asked by logan 
Algebraic Proofs
Can someone tell me whats the missing information? Two lines intersect. Angle 1 equals left parentheses 3 times x + 20 right parentheses. Angle 2 = left parentheses 5 times x  16 right parentheses, Angles 1 and 3 are vertical angles. The measure of angle
asked by cassie 
maths
can some one help me on how i work these qustions out..i need to simplify and write out the full solutions. 2x + 4 / 2 and 2x^2 / x^3 I'm not sure what you mean by write out the full solutions but If that means find x... the first one is simplified and
asked by kat 
Social Studies
What is the name of a large city in southern Turkey? There are many cities in southern Turkey. This map shows major cities. The other site lists Turkey's largest cities. (Broken Link Removed) http://en.wikipedia.org/wiki/List_of_cities_in_Turkey
asked by Linda 
Grammar
predication 1. The reason for the cat's illness is because she was allergic to the dog. 2. The driving exam is when one is tested on he rules of the road. The cat's allegy to the dog caused her illness. Using "is because" and "is when" makes very awkward,
asked by Helen 
maths
In a netball competition, there are 9 teams. If each team plays each other twice, what is the total number of games played? The first round would be 9choose2 games, which is 9!/(7!2!) = 36 But you are playing two rounds, so the total number of games is 72
asked by JaredN4 
Math
Utkarsh bought 20 dining tables for Rs 120000 and sold these at a profit equal to the S.P of 4 dining tables.Find the S.P of one dining table. You should probably clarify what these abbreviations are. Rs = ?? S.P = ?? ??
asked by priya 
writeacher
Those are not part of my homework those are parts of a research paper I am trying to do okay It looks as if what you need to do is learn how to conduct thorough and effective searches. That's what research is. You are searching for information that is so
asked by Dali 
mathss
How do i solve the following equations giving the answers either exactly or to 3 significant figures? a)3x + 5 = 2x – 1 b)(x^2 + 9) / 2 = 10 c)x^2 = 4 (x – 1) d)2^x = 5 e)3^x+1 = 7 What do you not understand about thse euqations. They seem pretty
asked by kat 
MATH
I'm having trouble with this problem: Guess a simple formula for the sequence that begins: 1, 1/2, 1/3, 1/4, 1/5 term(n) = (1)^n x 1/n will do it
asked by Paul 
math
im looking at a photo of a quipu, and the question states what numbers does a string with three knots at the bottom, four knots in the middle, and five knots at the top represent? Here is a start http://en.wikipedia.org/wiki/Quipu#The_encoding_system
asked by destinee 
Algebra
I have a few more questions that I either need help with or just need checking. Is the algebraic expression a polynomial? if it is write the polynomial in standard form, 1. 6x9+8x^2 I got Yes; 8x^2+6x9 Perform the indicated operations. Write the
asked by Soly 
journalism
what are some examples of "educationally disruptive"? Anything that interferes with a student's education can be "educationally disruptive." This may be distracting behaviors or dress of students or teachers. (In the 70s, a girl with green hair was very
asked by amanda 
sociology
hi people actually i need 2 do a project on sociology for 20 marks n i cant decide which on a topic ca u all plz help n v also need 2 have a survey or 3040 interviews plz plz plz plz help its urgent It would really help us teachers if you would write in
asked by aditi 
History
What were the atrocities committed in Congo by King Leopold’s colonial managers You asked these same questions last week and received answers. http://www.jiskha.com/search/search.cgi?query=king+leopold Please do not doublepost questions. Thanks.
asked by Dali 
History
What caused the British government to take action with regard to these atrocities in 1904 With regards to how you worded your question, I think your it is incomplete as to "these atrocities". What atrocities are you refering to. My response sounds totally
asked by Dali 
History
Please note that we do not do students' homework for them. Please post what you think a good response is, even if it's in rough draft form, and someone here will be happy to give you feedback. If your textbook doesn't help, be sure to search at these
asked by Writeacher 
History
Why was selfrule initially difficult for the Congo Thank you for using the Jiskha Homework Help Forum. Since you are studying the Congo, you may like to visit the following sites: 1. http://en.wikipedia.org/wiki/Democratic_Republic_of_the_Congo 2.
asked by Dali 
Social Studies
Why was selfrule initially difficult for the Congo Already answered: http://www.jiskha.com/display.cgi?id=1187027745 Please do not doublepost. Thanks. Those sites didn't help, but if you could help me I would appreciate it Thank you for using the Jiskha
asked by Dali 
To Cheryl
I removed your post about tooth whitening because it doesn't have anything to do with school work. Please see a doctor about your symptoms. can u help me Please click Post a New Question and explain how you'd like us to help you.
asked by Ms. Sue 
Infant and toddler
What constitutes an ideal learning enviorment? Thank you for using the Jiskha Homework Help Forum. I just answered this yesterday or the day before: 1. http://www.hobart.k12.in.us/technology/learn%20envir.html 2.
asked by angie 
math
If $5,600 is deposited into an account paying 5% interest compounded annually (at the end of each year), how much money is in the account after 3 years? Are you familiar with the formula Amount = Principal(1+i)^n ? Amount = 5600(1+.05)^3 = 5600(1.05)^3
asked by emmelie 
English/Predication
1. A book that has an exciting introduction and a surprising ending would be the best story fir me to read. 2. The Homeowners' Associations rules were created to ensure that the neighborhood looked nice. What is your question? Here are previous posts about
asked by Mikki 
maths
Maria types one thousand whole numbers beginning at 1 and finishing at 1000. How many times does she need to hit the 3 key? Figure that, in the ones column, 3 will be hit, starting with the numeral 3, every tenth time, leading to 100 strokes. Do similar
asked by JaredN2 
math
Business and finance. The following scores were recorded on a 200point final examination:193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183.(a) Find the mean final examination score.(b) Find the median final examination score.(c) Is
asked by AUI 
Algebra
Could you please help me with some math problems? Thanks! Add or subtract terms wherever possible. 1. 2 cube root of 135 + cube root of 455 2.y cube root of 24  cube root of 192xy^3 none of your numbers in the cube roots in either question can be "broken
asked by Soly 
WRITING
How can you determine a source's biases? Why is it important to consider a source's biases? Check these sites. http://asher813.typepad.com/dreams_into_lightning/2006/05/how_can_you_det.html http://answers.yahoo.com/question/index?qid=20060814110837AA20E70
asked by GIGI 
Dr.Bob (Tooth bleaching etc.)
From what was commented on my report on tooth bleaching hazards, I was curious to know what exactly everyone thought about it. I really thought from the comments I read besides those from drwls, that ideas were inconclusive as to whether it was a good
asked by ~christina~ 
managerial finance
Can you please give me couple name of companies that went bankrupcy or that had bad financial problems. Thanks Calpine, Inc American Home Bally Total Fitness Enron is the first name that comes to mind. This site lists several other major companies with
asked by emma82