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maths, variations

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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.

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!

Bio
What is the difference between cause adaptive variations and select adaptive variations

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

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 ...

Science
Hello! I had a question about variations in animals, also known as genetic variations. What is a variation? I cannot find an example or a sturdy definition anywhere. Could someone give me an example of variation in animals? Thank you!

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 ...

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 ...

Bio
The high temperatures in the desert environment can kill Beetles Large Beedles cannot burrow into the sand to escape the heat. Therefore, fewer of the large Beetles will survive. The Beetles are affected by a deadly disease that spreads rapidly through the desert. Green ...

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...

Biology
How do variations arise during meiosis?

english
i need to find variations of certain words. what does this mean?

Math
What are the connections to word problems for direct and Inverse Variations and why are they functions?

Math
What are the connections to word problems for direct and Inverse Variations and why are they functions?

bio anatomy
whaat are some genetic variations of the occipital lobe?

graphing
Compare the graphs of the inverse variations? Please provide 3 comparisons. Y=-0.2\x and y=-0.3\x

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...

Math...PLEASE HELP!!!
What are the connections to word problems for direct and Inverse Variations and why are they functions?

Science
Why are there variations in atmospheric pressure how was this proven? Why do your ear pop when trebling to different altitudes?

Algebra 2
Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (-0.2/x) and y= (-0.3/x) -0.05, -0.075 , -0.1, -0.15 ?

Small Business Computers
Explain the 4 variations of 802.11xx, along with approximate speeds and distance.

Introduction to Physical Science
How do the pressure variations with depth affect our ability to explore the ocean?

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?

science
what are the two primary atmospheric variables (average values and seasonal variations) that are used to describe a climate?

history
what were the social, economic,and political variations between the north south and west on the eve of the civil war?

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

Algebra 2
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

Algebra 2
Compare the graphs of the inverse variations. Please provide at least 3 comparisons? y= (-0.2/x) and y= (-0.3/x) is this correct as an answer? 1, -0.2, -0.3 2, -0.1, -0.15 3, -0.0667, -0.1

Math
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

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 ...

physics
How do the pressure variations with depth affect our ability to explore the ocean? Consider the challenges of scuba diving and submarines.

science
summarize the process of sexual reproduction and explain how variations of inherited traits can increase or decrease an organism's chance of survival

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 don't know what to do now ,i also don't know the jobs ...

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 ...

pychology
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?

Math
Make a complete re search project on maths is interconnected with other subject i.e. Maths Vs computer using art with maths.

newspaper (history)
is this a good name for a newspaper "A Page in Time Gazette" Does anyone have any variations of it?

theology
there are no variations within the catholic liturgy. all liturgy is identical worldwide. true or false?

Algebra2 Help please
Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (-0.2/x) and y= (-0.3/x) -0.05, -0.075 , -0.1, -0.15 ?

music
how do you change a theme (melody) in music to make variations?

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.

Bio
Which of the following provides the raw materials for the genetic variations that play an important role in natural selection? A.Mitosis B.homeostasis C.cell differentiation D.Mutations D

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

maths
suresh scored 15 mareks more than ramesh in maths.if the sum of their marks in maths is 275.write the statement in linear equation in two variables

law
•Why might the variations in crime rates among different demographic groups result in misguided law enforcement strategies?

Biology
We know that variations (differences) within a population are necessary for natural selection to occur. Which of the following is NOT a source of genetic variation? a. Mutations b. Independent assortment c. Crossing over d. Mitosis

social studies
Areas of Mexico that can support agriculture are most affected by variations in ? 1) altitude 2) longitude 3) attitude 4) animal species I think altitude

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. ...

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...

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...

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.

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.

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?

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?

Business communication
what are the importance of recognizing culture variations?is it similar to what are the importance of recognizing cultural differences?

History
Which New Mexican geographic condition most contributed to the development of early Native American farming techniques? A)presence of wide, flat plains B)water scarcity C)availability of mining resources D)variations in temperature My Choice D

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?

maths
i am told to do a project in maths it should involve a maths consept.pls help as to what should i do?

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 ...

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

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

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 currency.

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 ...

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.

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.

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.

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 ...

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

physics
An ECG monitor must have an RC time constant less than 100 μs to be able to measure variations in voltage over small time intervals. If the resistance of the circuit (due mostly to that of the patient’s chest) is 1000 Ω, what is the maximum capacitance of the circuit?

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 ...

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 ...

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?

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 ...

maths
Score of Janet in Maths is 25 more than two-third of her score in English. If she scores x marks in English, what is her score in Maths ?

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. ...

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.

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...

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

Maths
Hi Can someone give me a help in finding maths quiz websites for Ket Stage 3

maths
can anyone help me ,how i can find maths higher past paper of 4 November 2015 by Mr barton?

maths
useful websites for maths that are free.by the way im doing gsce soon

maths
maths project:study ways f raising a loanin a bank

maths
pplz tell me about maths working modals froom where can i down load then????

Maths
What is the best website which has printable free worksheets for grade 7 with the maths topic : decimals? thank you for your help.

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...

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.

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

pure maths,accounting,economics,business studies
Guys my problem is maths solve x and graphs

REGARDING MATHS
how to get the top rank in various maths olympiads...?

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...

social studies hurry
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 rain forest and desert. c. mountainous, with diverse terrain and climate based on altitude d. ...

maths
can any one tell me wat are the topics for class 10th maths project for the year 2010-2011.

history,geography,life science,maths or maths lit
can i be a social worker while am those subject

economics maths lit business and tourism
Does economists career allow those who did pure maths only?

maths
How to prepare a working model in maths for standard IV?

maths
what are the applications of maths in our daily life

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)?

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 ...

Maths
In a class of 50 students,24 students have taken maths,16 have taken maths but not geography.Find the students who have taken geography but not maths,if all the subjects have taken at least one of the subject

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...

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