Saturday

February 28, 2015

February 28, 2015

Number of results: 6,419

**Astronomy**

Ancient astronomers were troubled by variations in the brightness of the various planets with time. Does the Ptolemaic or the Copernican model account better for these variations.
*January 4, 2007 by Stacy*

**maths, variations**

question: if y is proportional to x, and that y=6 when x=12, (A)express y in terms of x, (B)and find to value of x when y=12. answer: (A) x=y/3 (B) x=4 is what i did correct? i would appreciate your help!
*December 18, 2007 by hayley*

**ELA (CHECK)2**

I think that there are eight of these variations what does the word variations mean? A. several things B. Thinks thAT constantly change C. A place that people visit to relax D. A serious of different paintings on the same theme I think the answer is d is it correct
*April 26, 2011 by KIM*

**Science**

Ancient astronomers were troubled by variations in the brightness of the various planets with time. Does the Ptolemaic or the Copernican model account better for these variations. Read: (Broken Link Removed) For the planets the Copernicus model was more accurate and realistic ...
*January 4, 2007 by Stacy*

**science**

why do we find the major land biomes at specific locations on the earth in both the northern and the southern hemispheres? Variations in climate determine the biomes. These variations are determined by the frequency and direction of winds and ocean currents, along with ...
*March 12, 2007 by sara*

**maths, variations checking!**

question: given that y is inversely proportional to (x-1), A) express y in terms of x and a constant k b) give that y=5 when x=3, find x when y=25 answer: A)y=-k(x-1) y=-kx+k B)y=5, x=3, k(constant)=3x5 k=15 25=-15x+15 10=-15x x=-10/15 is this correct? i'm not too sure about ...
*December 18, 2007 by hayley*

**Business communication**

Explain the importance of recognizing cultural variations and list 5 categories of cultural differences (10). Here is my answer: Recognizing cultural variations are important because there are a great chance that you will be communicating across international borders sometimes...
*November 13, 2011 by Taskeen*

**Biology**

How do variations arise during meiosis?
*October 17, 2012 by brenda Houchins*

**english**

i need to find variations of certain words. what does this mean?
*September 10, 2011 by kaycie*

**Math**

What are the connections to word problems for direct and Inverse Variations and why are they functions?
*May 31, 2008 by Anonymous*

**Math**

What are the connections to word problems for direct and Inverse Variations and why are they functions?
*May 31, 2008 by Anonymous*

**bio anatomy**

whaat are some genetic variations of the occipital lobe?
*April 16, 2012 by Nicole*

**Astronomy**

Which of the below statements about the CMB are true? (i) The “hot” and “cold” spots are areas where photons have slightly more or less energy than average. (ii) It shows that the Universe was accelerating at the time the CMB formed, thus measuring dark energy early in the ...
*October 1, 2013 by qwerty*

**Math...PLEASE HELP!!!**

What are the connections to word problems for direct and Inverse Variations and why are they functions?
*May 31, 2008 by Abby*

**Math**

Make a complete re search project on maths is interconnected with other subject i.e. Maths Vs computer using art with maths.
*June 5, 2012 by Shivansh Tomar*

**Science **

Why are there variations in atmospheric pressure how was this proven? Why do your ear pop when trebling to different altitudes?
*December 15, 2014 by Jennifer *

**maths letaracy,history,geography and life science **

im going to grade 10 next year,and i want to be a psychologist and im going for maths letaracy and history feild im realy not good with maths and i just found out a few weeks ago that i need pure maths to do psychology.i dont know what to do now ,i also dont know the jobs ...
*October 26, 2013 by khanyisa maringa*

**maths, variations**

i'm not sure how this question works the number of hours (h) taken to paint a picture is inversely proportional to th number of pupils (p) painting it. it takes 4 pupils 3 hours to finish painting it assuming all pupils work at the same rate. a) find an equation connecting h ...
*December 18, 2007 by hayley*

**Small Business Computers**

Explain the 4 variations of 802.11xx, along with approximate speeds and distance.
*February 2, 2012 by Deborah*

**Introduction to Physical Science**

How do the pressure variations with depth affect our ability to explore the ocean?
*August 6, 2013 by Tracee*

**business studies n maths lit n accounting n geo**

Do I need pure maths in These subjects or is maths lite fine to get me to the point of being a entreprenuer in my life
*January 21, 2015 by bafana matseke*

**variations**

find a solution for this problem: (2,4), 1/2 = y I do not understand your notation. Are you looking for a function y(x) that goes through the point (x=2, y=4), and has slope 1/2?
*November 30, 2006 by Jane*

**science**

what are the two primary atmospheric variables (average values and seasonal variations) that are used to describe a climate?
*May 15, 2009 by Anonymous*

**history**

what were the social, economic,and political variations between the north south and west on the eve of the civil war?
*April 28, 2010 by Danielle*

**algebra**

compare the graphs of the inverse variations by comparing asymptotes, similar points, lines of reflections and quadrants y=-0.7/x and y=-0.9/x
*January 30, 2013 by lee*

**maths a**

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision. ...
*September 11, 2014 by jay*

**Maths B**

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.
*May 24, 2012 by Anna*

**Maths B**

Charlotte received a score of 68 on both her English and Maths tests. The mean for English was 52 and the mean for Maths was 55. The standard deviations for English and Maths were 10 and 8 respectively. In which subject did Charlotte perform better? Explain your decision.
*May 24, 2012 by Anna*

**physics**

How do the pressure variations with depth affect our ability to explore the ocean? Consider the challenges of scuba diving and submarines.
*August 23, 2010 by Anonymous*

**AP English Lit**

Hi, I was wondering what kind of poem "Dream Variations" by Langston Hughes is? I've narrowed it down to blank verse or free verse but I'm not sure. Please help. Here is the poem: Dream Variations To fling my arms wide In some place of the sun, To whirl and to dance Till the ...
*May 21, 2013 by Kate*

**newspaper (history)**

is this a good name for a newspaper "A Page in Time Gazette" Does anyone have any variations of it?
*March 18, 2009 by stacey*

**theology**

there are no variations within the catholic liturgy. all liturgy is identical worldwide. true or false?
*May 27, 2013 by allie*

**music**

how do you change a theme (melody) in music to make variations?
*September 20, 2008 by yasmin*

**AL**

The instructions to my book work says for the data in each table, tell whether y varies directly with x. If it does write an equation fo rthe direct variations. Well how do you do that exactly. Thanks you for your help.. Please help me.
*May 12, 2009 by Math*

**law**

•Why might the variations in crime rates among different demographic groups result in misguided law enforcement strategies?
*September 8, 2013 by Patiance*

**maths**

i am told to do a project in maths it should involve a maths consept.pls help as to what should i do?
*November 18, 2007 by chandini*

**AP Calc for Reiny **

You did just fine and your second derivative is correct, if you meant (6y^2 - 4x^2)/(9y^3) except they took it a bit further. notice your numerator is -4x^2 + 6y^2 from the original 2x^2 - 3y^2 = 4 , then 4x^2 - 6y^2 = 8 , and -4x^2 + 6y^2 = -8 to get their -8/9y^3 If you were...
*November 6, 2012 by Sanya *

**AP Calc for Reiny**

You did just fine and your second derivative is correct, if you meant (6y^2 - 4x^2)/(9y^3) except they took it a bit further. notice your numerator is -4x^2 + 6y^2 from the original 2x^2 - 3y^2 = 4 , then 4x^2 - 6y^2 = 8 , and -4x^2 + 6y^2 = -8 to get their -8/9y^3 If you were...
*November 6, 2012 by Sanya *

**Math**

True or fals: a number is divisible by 8 if it is divisble by 4 and divisible by 2? And how many variations of 3_2_ are divisible by six?
*September 26, 2009 by Lyndse*

**maths**

A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and physics? B) how many ...
*January 28, 2015 by deepthi*

**Maths**

A school has eleven Year 9 Maths classes of 27 students. Each class has 4 extra students added to it. Find the total number of students studying Year 9 Maths.
*February 26, 2009 by Jessica*

**French**

When do you use duquel, lequel, and auquel? And other variations of those? For instance, what would this be and why? Nous entendons beaucoup parler de projets communautaires? __________ entendez-vous parler?
*October 2, 2007 by Anonymous*

**Business communication**

what are the importance of recognizing culture variations?is it similar to what are the importance of recognizing cultural differences?
*November 13, 2011 by Taskeen*

**maths**

I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math" for short. Calling it "maths" calls attention to ...
*June 14, 2006 by devendri*

**Maths B**

Andrew got 68 for both English and Maths. The mean for english was 52 and the mean for Maths was 55. The standard deviations were 10 and 8 respectively. Determine the subject in which andrew did better
*March 9, 2013 by Will*

**Linguistics**

How do I write a lexicon for the following words: sand goanna, dog, mosquito, spear, child, man, stone, prickle, and rabbit? How would I write rules describing the allomorphic variations in the forms of any of the morphemes?
*September 9, 2013 by Joy*

**statistics**

among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...
*October 27, 2010 by hhhh*

**probability**

among the exames in the examination 30%, 35% & 45% failed in statistics, in maths, & in atleast one of the subjects respectively. one student is selected at random. find the probability that: (a)he has failed in maths, (b)he passed in statistiics if it is known that he has ...
*October 27, 2010 by hhhh*

**Chemistry**

Currently the removal of CO2 is too low and it has been proposed to change the deep well aeration with a co-current tower aerator. select the advantages of using deep well aeration from the below: Very high O₂ transfer within an exceptionally small space Very good ...
*October 1, 2013 by WT*

**Maths**

Hey :) I'm sitting my maths non-calculator GCSE tomorrow and am currently revising. I'm doing a practise paper and am currently stuck on this question: Express A in terms of w. 3w + 20 A -------- = -------- 200 A + 12 -- What does the question mean? -- Can you explain to me ...
*May 17, 2009 by Sarah*

**Algebra / direct variations**

Select all of the following that are a direct variation. Songs are 99 cents each to download. Tickets for rides at the fair are $1 each. Arcade games are 50 cents or $1. To go tubing it is $5 to rent the tube and $7 for each hour
*October 17, 2014 by isaac clarke*

**chem 221 #2**

Describe and explain how each of the following experimental errors or variations might affect your results. (a) You forgot to add sulfuric acid b. You left out the sodium bicarbonate washing step c. Your thermometer bulb was 1 cm higher than it should have been
*February 27, 2013 by Jazzmine*

**Math**

In a maths class of 13 students, 2/3 of boys and 1/4 of the girls love maths. How many girls love maths
*March 27, 2012 by kayode*

**Maths**

Hi Can someone give me a help in finding maths quiz websites for Ket Stage 3
*April 21, 2007 by Fahad*

**maths**

pplz tell me about maths working modals froom where can i down load then????
*January 22, 2009 by pulkit*

**Maths**

What is the best website which has printable free worksheets for grade 7 with the maths topic : decimals? thank you for your help.
*January 23, 2011 by Alberta*

**MATHS**

A store clerk sold 25 maths books and 10 english books for $855.00 .if she sold 10 maths books and 40 English books, she would have got $135 more. calculate the cost of each book.
*February 9, 2010 by JERMAINE*

**MATHS**

ms.sue can you practice me in maths for s.e.a like give me sites to do test then you will correct when i post the answers
*March 17, 2013 by fred*

**11th grade**

4. The use of technology such as telephones and computers means that money exchanges and other financial transactions can be a. based on the U.S. dollar all over the world. b. converted to prices in any currency. c. made instantaneously. d.sensitive to variations in any ...
*December 21, 2010 by Anne*

**REGARDING MATHS**

how to get the top rank in various maths olympiads...?
*May 26, 2011 by ???????*

**maths**

can any one tell me wat are the topics for class 10th maths project for the year 2010-2011.
*May 15, 2010 by prateek nayak*

**history,geography,life science,maths or maths lit**

can i be a social worker while am those subject
*December 5, 2013 by kamva*

**maths**

How to prepare a working model in maths for standard IV?
*May 1, 2008 by pawan*

**maths**

what are the applications of maths in our daily life
*May 20, 2013 by Gagandeep*

**physics**

The air pressure variations in a sound wave cause the eardrum to vibrate. Find the maximum velocity and acceleration of the eardrum for vibrations of amplitude 1.5 10-8 m at a frequency of 19.0 Hz.Repeat (b) for the same amplitude but a frequency of 19.0 kHz.
*March 31, 2010 by mike*

**Ap CHem**

For how many electrons in Sr. Does A)n=4; l=1 B)n=3;l=2;ml=1 C)n=1;l=1;ml=0 You must know the variations possible. n = 1, 2, 3, ...... l = 0, 1, 2, etc up to n-1. ml=-l to +l (this is -ell to +ell) ms = +/- 1/2 Start with n = 1 and work your way up.
*October 29, 2006 by Susie*

**mathematical literacy**

Are there available degrees relating to comerce, that can be done with Maths Lit, and not Maths. Preferably at a good institute like uct, uj, ukzn, etc.
*January 12, 2015 by vladimir*

**Maths**

Could somebody help me with this Maths squence 2N + 2, 3N - 1 , 10N + 6
*September 27, 2007 by Robert*

**maths**

which is valuable abacus or vedic maths?
*December 16, 2012 by Anamika*

**Spanish**

I have to translate several words into Spanish, but I have to write down at least three different variations of those words depending upon the Spanish speaking country. Can someone provide website that could help me with this?
*March 11, 2009 by Anonymous*

**Social Studies**

Which statement best describes the physical geography of Arabia and Iraq? a. largely hot and dry with pockets of mountains and fertile river valleys b. tropical, with equal parts rainforest and desert. c. mountainous, with diverse terrain and climate based on altitude d. ...
*February 18, 2014 by Anonymous*

**MATHS**

if a student scores 58 in a maths exam predict the score they would get in science??? Have no idea where to start on this answer other than having a good guess!! Can anyone help please??? Thanks Andrew
*July 19, 2010 by ANDREW*

**Art... Color**

Hello, Help... Is # 4 correct? Thank You Working with a limited palette of colors still allows for a wide range of colors. Of the following groups and combinations which will give the most variations? 1 hue + shades + tints 2 analogous hues 3 hue + complement 4 Primary hues Yes.
*August 9, 2007 by Mandi*

**religion--verse explaining**

i think it is more profitable to look at all the attributes of spirtual malpractise in given cultures, and when we do so we find a set of oppositions that maintains remarkable consistency as a set, despite variations between cultures. can someone explain what this verse means...
*November 1, 2007 by Mark*

**Maths**

Hi there, I'm currently stuck on a maths question. Find the limit as x approaches 0 for (1+sinx)^cotx I've put logs on both sides and am attempting to use hopitals rule but don't know where to proceed from here.
*October 19, 2014 by Ss*

**Psychologic**

According to research led by Sarina Saturn, which of the following is predicted by variations of a particular gene on the third chromosome, which influences oxytocin functioning? How well a person reads others’ emotions. How sensitive of a parent a person will be. The extent ...
*October 26, 2014 by zxcv*

**chem**

How many structural isomers of dicloro,hydroxy,butanoic acid are there? Is there a website that has the structure with names??? The point of this question is to get you to draw the compound, then move the cloro and hydroxyls and count the variations. So draw the butanoic acid...
*September 1, 2005 by Nisar*

**maths**

In a maths test a student score 75 out of 100 marks.Express his marks as a decimal
*December 8, 2011 by wizguysaturday*

**Accounting,business studies,economics and maths literacy**

What career to follow wth maths literacy
*January 22, 2014 by Bongiwe*

**Exams help**

Hello I am a Grade 11 student , I am willing to resit my maths exam this November , but I have to take my account that my IGCSE's are this year , my mocks will be in January and my real resit exams will be at the beginning of November , which is just a month ahead Should I ...
*October 4, 2008 by Amy*

**English**

Can you please help express the concept below? Thank you, Writeacher. I was last proud of myself when I got an A in maths/when I got a 7 and a half (according to the Italian grade system) in maths.
*April 24, 2012 by Mike1*

**maths**

As a foundation teacher how can you make maths sansetive to all foundation phase learners
*March 18, 2010 by Thandokazi*

**GeoChemistry**

A sample of charcoal in 1995 has a 14C activity of 7.35dpm g^-1. What are tje age of the charcoal, the corrected age (years BP) and the age corrected for variations in solar activity (if possible)?
*May 3, 2007 by Jason*

**science**

The earth wobbles slightly on its axis. which of the following earth processes might best account for these changes in earth's rotation? 1)underground nuclear explosions 2)population increases 3)variations in rainfall and river flooding 4)motion of continental plates and core ...
*May 12, 2010 by kayci*

**algebra problem that is causing me headaches**

I have no real method for this problem other than trail and error and foil. I have come up with some amny variations until I am on my second sheet of paper! The closet I have gotten to factoring/solving this problem so far is.... #46.) -3t^3+3t^2-6t (-1t^2+1)(3t -6) Is there a...
*September 20, 2007 by Shawn H.*

**presentation-maths**

I have to do a presentation on maths. It is on time but I can't think of many mathmatical links.
*May 14, 2009 by Anonymous*

**Science**

Which of the following explains how natural selection leads to evolution? a. Conditions in the environment reduce competition for resources within a species. b. Helpful variations accumulate among surviving members of the species. c. Overproduction provides food for stronger ...
*November 13, 2013 by Anonymous*

**math**

any shape with 4 lines of symmetry and rotational order 2. A rectangle would fit that description. See http://www.icteachers.co.uk/children/sats/rotational.htm#Maths I hope this helps. Thanks for asking. i need some help on my maths and i am inbarresed to ask my teacher
*September 17, 2006 by george*

**statistics**

in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how many student fail in all...
*October 5, 2011 by kenneth*

**10th**

i am just abt to finish my 10th grade,i am very weak at maths and science,hence i have opted to take economics. 1.is this the right choice? 2.is there goin to be maths in it? 3.what are the core subjects involved?
*February 23, 2011 by sam*

**math stats**

These data are a sample of the daily production rate of fiberglass boats from Hydrosport, Ltd., a Miami manufacturer 17 21 18 27 17 21 20 22 18 23 The company production manager feels that a standard deviation of more than three boats a day indicates unacceptable production-...
*February 6, 2011 by Anonymous*

**Maths**

Hi I have a maths problem I can't figure out please someone help. Zac had some 2c stamps and 5c stamps.he needed to put 30c on a postcard to mail it.what combinations of stamps could he use.
*August 13, 2013 by Maddy*

**Science--PLEASE CHECK!**

Which of the following explains how natural selection leads to evolution? A. Conditions in the environment reduce competition for resources within a species. B. Helpful variations accumulate among surviving members of the species. C. Overproduction provides food for stronger ...
*May 7, 2014 by Jasmine*

**quick french question**

In the sentence "ou prenez vous des cours de maths?" can I replace "des cours de maths" with "en?"
*February 5, 2009 by rc*

**organic chemistry**

Describe and explain how each of the following experimental errors or variations might affect your results. (a) you failed to dry the reaction flask after washing it with water. (b) you forgot to add the sulfuric acid. (c) you used twice the amount of acetic acid specified in ...
*August 1, 2012 by Anonymous*

**Darwin’s theory**

Name and define the five distinct ideas in Darwin’s theory of evolution by natural selection. I need two more theses are the ones I have: Populations show variation for almost all traits. Certain variations improve survivorship and the number of offspring left (improve fitness...
*August 10, 2006 by kassie!*

**social studies (check plz)**

(which of the following is not part of part of the theory of evolution?) a organisms tend to produce more offspring than can survive to reproductive age*****? b organisms can acquire changes during their lifetime that can help their species survive. c organisms that do not ...
*June 12, 2014 by me*

**maths Literacy**

It takes time to understand maths Literacy most on fractions an mixed fractions what must I do?
*January 25, 2014 by Katleho*

**Maths lit , CAT and history**

Im doing maths literacy , CAT and history , i want to know what jobs are linked to such subjects
*November 20, 2014 by Neo Aya *

**Psychology **

Dr. Kyle shared the newspaper clipping with his class. "This is an unusual case, but I believe the punishment phase of the trial would have been different in another state. The crime was committed, but the defendant is not in touch with reality most of the time." Dr. Kyle is ...
*June 28, 2011 by Shawn*

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