Questions Asked on
May 24, 2007

algebra
Given f(x) = 5x2 – 3x + 1, find f(–2). so would this be 5(2*2) 3(2)+1 answer being 15 not correct (I assume looking at your substitution that the first term is 5x^2 or 5x²) f(x) = 5x^2 – 3x + 1 f(2) = 5(2)^2  3(2) + 1 =5(4) + 6 + 1 =27
asked by confused 
algebra
please help me i'm close to having no hair left. How do you rearrange 6y = 9  3x to make x the subject i've been at this now for at least 1 week and this is my last resort please please help you have been at this for at least 1 week ?? 6y = 9  3x (add 3x
asked by sarah 
French
Hey, could someone please proof read my homework? I have already checked over it but I think that there's still mistakes in it. Thanks alot. De l’autre côté, on faux de ne fume pas pour être en forme. Fumer n’est bonne pas pour ton santé. Je ne
asked by Sarah 
physics.
26.
asked by jean 
Science
Is a tree a living organism? Yes, a tree is a living organism.
asked by Riley 
mat
Write the equation of the line passing throught each of the given pairs of points. Write your result in slopeintercept form. (2, 3) and (2 , 4) I will be happy to critique your thinking on this. Notice in the pair of points the x is constant, indicating a
asked by Dee 
Mat
1) L has y intercept (0, 3) and is parrallel to the line with equation 2/3x + 1 2) L has y intercept (0, 2) and is perpendicular to the line with equation 2x 3y = 6 1) you know the slope, and intercept 2) Put the equation in slope intercept form.
asked by Dee 
communication
three charateristics of verbal communication for audience in a relaxed situation(family and friends)and audience in a tense situation (supervisors and instructors) http://www.jiskha.com/display.cgi?id=1178673904
asked by que 
math
Help I can go this far and then lost. In planning for a new item, a manufacturer assumes that the number of items produced x and the cost in dollars C of producing these items are related by a linear equation. Projections are that 100 items will cost
asked by Dee 
French 1
I have to translate the following into French with an object pronoun. Can you please check for me. Thanks!!! 1.Show us the main course! 2.I’m lending some sugar to him 3.They (femine form) owe me a cake 4.Tell them his name!( use vous form) 5.I don’t
asked by DANIELLE 
differentiation
hey, i'd really appreciate some help differentiating this equation: t= (4+x^2)^(1/2) /3 + (3x)/5 so that's four plus x to the power of 2 all to the power of 1/2 all over three plus 3x divided by five... :P Thankyou. I would rewrite it as t=
asked by elle 
Science
Here's my question Precession of earth's axis causes aaxial tilt ba change in the north pole star cseasons dday and night My answer was a m i rite? Precession of earth's axis caused by the centrifugal force of the Earth's rotation... =) The cause
asked by shivangi 
about Engineering
Electronic and Communication Engineering is mainly Mathematical analysis, implemented in practical circuits. You have to understand higher forms of math, and think in those terms. You have to understand the imperfect models used for systems analysis. You
asked by bobpursley 
Science (again)
Can Somebody plz help me with me question below, I didn't really get Mr. James's explanation for further reading. Precession means the axis of the Earth is changing, so North changes.
asked by shivangi 
Mr. James Scienceagain
uh, ok ok, so if my answer is not a then is it b,c,or d because non of my answers match what you said Mr. James Precession means the axis of the Earth is changing, so North changes.
asked by shivangi 
Literature
Hello. Can anyone clarify and paraphrase this sentence? "O ye little of wit, is he for whom I mourn of those who forget or who are forgotten?" Thanks First you must understand each of the words in the sentence. If there are any that you don't know, look
asked by John 
maths
hi, i'm having trouble with this question: The cost of running a train at a constant speed of v km/h is C=50+v^2/1000 dollars/hour find the time taken for an 800km journey in terms of v.
asked by elle 
Science
SO since North changes, the answer would be b, changes in the north pole star yup you're right...... thanks, bye i gtg 2 school
asked by shivangi 
Government
Compare and contrast how public versus a private organization might address the immigration policy differently. include an explanation of how the delivery system of a public organization would be different than that of a private organization. for placement
asked by Anonymous 
math
the only perfect number of the from x to the nth power plus y to the nth power; the answer is between 1 and 31 28 = 1^3 + 3^3
asked by Amanda 
French I, Danielle
May I please have the name of your textbook. If it is one I have I can then tell you exactly the pages you need to review! Mme The name of my textbook is Discovering French by JeanPaul Valette and Rebecca M. Valette.
asked by SraJMcGin 
health
I think drinking to subside pain runs in some familes. When it happens with one parent.. then now with the other, is it safe to say its a family thing or just an everybody thing? Can someone give me some insight? Do you mean drinking as in alcholic?
asked by jamie 
Business
I have to write two memos for class. I did one but need help on the other one. Can you read mine and tell me if it's okay, den give me some ideas on how i should write my second. Memo 1: Your school is hosting a picnic and you would like to supply the soda
asked by Anonymous 
History
Hello can someone give me a video that shows hitler in prison >? Since this is not my area of expertise, I searched Google under the key words "Hitler prison photo" to get these possible sources: http://www.usmbooks.com/hoffmann.html
asked by QER 
MATH
Please help me!!!!!!!!!!!!!!!1 Instructions a. If needed, rewrite the following equations in slopeintercept form. * b. Indicate the slope and the yintercept for each of the equations. c. Using graph paper and a straight edge, graph the equations. 1. y =
asked by Austin 
physics
A person is to be released from rest on a swing pulled away from the vertical by an angle of 15.8°. The two frayed ropes of the swing are 2.75 m long, and will break if the tension in either of them exceeds 350 N. What is the maximum weight the person can
asked by micole 
French 1
Am I on the right path with my translation from English to French? 1. Anna says that they(masculine) have dinner at seven o’clock. 2. We think that we can eat lunch at twelve o’clock. 3 You (singular familiar form) can drink a glass of milk. 4. They
asked by DANIELLE 
MATH
What type of coorelation does this haved) a middle school student's weight and height from birth to present NO COORELATION A correlation indicates the degree of linear relationship between two variables. A positive (+) correlation indicates that both
asked by Erin 
MATH
HHHHHEEEEEELLLLLLLPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Find the y intercepts of these please: 1. The slope is: 6/2...3/1...3 2. The slope is: 10/2... 3. The slope is: 2/2...2 4. The slope is: 2/2...2 The formula for a slope intercept is: y = mx +
asked by Erin 
math,algebra
I have to write a linear cost function for the situation given. And identifying all variables used. the problem reads: A parking garage charges 50cents plus 35 cents per halhour. This is what i tried but i am definately not sure how to do it: cost
asked by mathstudent05 
math
i also need help with this one: Supply and Demand let the supply and demand functions for butter pecan cream be given by. P= s(q)= (2)/(5)q and p = D(q) = 81 (3)/(4)q where p is the price in dollars and q is the number of batches. A) Find the equilibrium
asked by mathstudent05 
physics
* A and B Two wires long and parallel, each carrying a distance of 1 m in two opposite directions, if the trend A equals one third B (Ia=1/3Ib), founding after the point which lies on the line where the two vertical magnetic field when the outcome is zero.
asked by Hamilton 
Math
How do I put this equation in slope intercept form? 2. 2x + 3y = 6 Slope intercept form is y = mx + b Subtract 2x from both sides and then divide both sides by 3. I hope this helps. Thanks for asking.
asked by Austin 
Math
Why do we need to learn topography? Topographic maps show the hills and valleys. By learning to read a topographic map, you can tell whether a hill is really steep or has a very gradual grade. Check this site for more information.
asked by JULIA 
Chemistry
In a titration experiment 34.12 mL of 0.902 M KOH is reacted with H2SO4. The endpoint is reached when 50.46 mL of the acid is mixed with the base. What is the molar concentration of the acid? I'm having a hard time even starting this problem, since I don't
asked by Lindsay 
math help
can someone give me an example of what they mean about this problem. I have to come up with a realworld example where we can apply the concept learned within our chapter that the data could be linear which it talks about solving equations using the method
asked by mathstudent 05 
science/english
Please could someone tell me the meaning of drawn (as in hung, drawn and quartered.) Thanks This site has a gory description of being hung, drawn and quartered. http://en.wikipedia.org/wiki/Drawing_and_quartering
asked by lizbeth 
Grammar
I don't understand predicates. What are they and how do I figure out what is the predicate in a sentence? The predicate is simply the main verb and all that modifies or describes it. He raced home as fast as he could. He = subject raced = main verb raced
asked by Natalie 
World History
What was the Bill of Rights influenced by? This is an interesting article that will help you answer your question. http://bessel.org/billrts.htm
asked by Madi 
physics
The human eye is sensitive to electromagenetic waves that have wavelengths in the range from 400nm to 700nm (1nm=10^9m). What range of the frequencies of electromagentic radiation can the eye detect? Can you please show me the steps and work because i
asked by sammy 
science
when rearranging the equation 6y = 9  3x to make x the subject, am i right in thinking to add 3x to both sides (6y + 3x = 9), then subtract 6y on both sides(3x = 9  6y then divide both by 3(x = 9  6y/3)? You have it. x=32y
asked by Tadgh 
Chemistry 2
Can someone please tell me which of the following I have wrong?? I know that one or more is incorrect, but I'm not sure which ones... Match the following Bronsted acids with their conjugate bases. Choices: SO42, SO32, CO32, HPO42, HPO32, Cl, F,
asked by Lindsay 
physics
A person has far points 8.44cm from the right eye and 12.2cm from the left eye. WRite a presciption for the powers of the corrective lenses. Please help i tried to read to book and my notes but it doesnt show how to do this problem.
asked by beth 
Chemistry 3
How is it possible for me to tell which of these solutes will produce an acidic solution when dissolved in water? LiOH CH3CO2K H2SO3 KOH NaOH NH4NO3 NaOH NaOH can't be the only one... Molecules that produce OH^ when dissolved in water will be basic.
asked by Lindsay 
Business
For the past ten years, DWI has wanted to develop the lucrative Iraqi oil reserves for its exploration, drilling, refining, and transport division; DWI's Oil Division has been limited to Siberia and the South China Sea up to this date, and was precluded
asked by Joseph 
math
2^(x^2  35)= 4^x How do I solve this? The x^2 is messing me up. So far I have: ln(2^(x^235))=ln(4^x) (x^235)ln 2= xln4 x^2ln 2  35ln2= xln4 x^2ln 2 xln4= 35ln2 x(xln2  ln4)= 35ln2 I would have taken the log base 2 of each side, but ok, with what you
asked by jess 
Math
I can't for the life of me solve this! 6x^223x+15=0 6x^223x+15 = (a x + b) (c x + d) > a c = 6 (1) a d + b c = 23 (2) b d = 15 (3) You could write down all possibilities for a and c (Eq. 1) and all possibilites for b and d (Eq. 3) and see which one
asked by Sandra 
Science
Sand dunes on barrier islands often have no plants except different types of beach grasses. Are these climax communities for sand dunes? What are the factors that determine the climax community for sand dunes on barrier islands?
asked by Milo 
chemistry
It decreases? If the air pressure increased, wouldn't that make the diver go down? What happens when you press on the pressure cap? Oh, yeah. So, at night the atmospheric pressure increases and therefore the diver sinks? Can someone help me with this
asked by Lillian 
Precalculus / Statistics
I have a question about residual plots and regression equations. The data is: X Y 1 6.1 2 5.5 3 9.8 4 10.6 5 14.2 6 21.5 7 29.9 8 37.2 9 50.6 10 64 11 77.6 What function fits this data the best, between Exponential, Linear, Quadratic, and Power. Also how
asked by Ryan St. Laurent 
math
http://www.saburchill.com/physics/chapters/0073.html I have to draw a bestfit straight line on a graph. How do I know that its really best fitted  in the right angle?
asked by bobpursley 
management accounting
Andre has a hair styling business and he has five barbers who each make $9.90 per hour then work 40hours a week and 50weeks a year, the rent and other fixed expenses are $1,750 per month. shampoo is used on all client is .40 per client, the unit price of
asked by Charlotte 
Behavioral Science
How do sociological factors affect a person's behavior? What sociological factors do you believe affect your behavior the most? Do you shave? Do you use deodrant? Do you bathe more than once a week? Do you match your clothes? Do you arrive on time? Do you
asked by Linda 
algebra
if you have the sign of > or < does this also mean = ???? so confused my problem is 3x+2y=7 x+4y=7 how do I do this? please help No. The sign < or> does not include equal. On computers we often just do this => for equal or greater than. or this: >=. In
asked by confused 
algebra
f(x)=2x+5, find f(3) would this be worked out liek this 2(3)+5=11 Your answer is correct but improve your mathematical form and write is this way: f(x)= 2x+5 f(3)= 2(3)+5 = 11
asked by confused 
please help me correct
i have to write a project about amy project. i'll write for what i am trying to say but i hope you can help me put it in a better, organized sentence. our project is about flying paper airplanes outdoors and it was windy and i want to explain why it's a
asked by dave 
algebra
Given f(x) = 2x  5, find f(3a). okay were does the a come in here? do I just write 3a in place of x as i did before?
asked by confused 
Japanese
okay....so in my Japanese class right now, we're currently writing our speeches.. So far, I've come up with: (This is actually in Japanese but I've chosen to write this in English as I'm on a school computer which only allows English characters!) "At
asked by Steph 
math
clasifying conics 4xsquared=6464ysquared 4x^2 = 64  64y^2 4x^2 + 64y^2 = 64 .......divide each term by 64 (x^2)/16 + y^2 = 1 you should recognize the standard form of the equation of an ellipse.
asked by krystall 
math
An employee who produces x units per hour earsn an hourly wage of y=0.70x + 12( in dollars). Find the hourly wage for an employee who produces 18 units per hour. substitute x=18 and evaluate. let me know what you got y 0.70(18) + 12 y = 12.60 + 12 y =
asked by Dee 
Managerial Economics
I need help with understanding this analysis. Suppose you are a stock market analyst. At Disney tourism has slowed down in the US. But at Six Flage two new rides are now operating. Using demand and supply analyss, predict the impact of these events on
asked by Sharon Williams 
Phsyics
Can someone give me some pointers on calculating the rest energy of a positron (a particle that has the same mass as an electron and equal but opposite charge) ? thanks The rest energy is equal to the mass times the speed of light squared.
asked by Jess 
French I for Danielle
There is still some confusion as to which "Discovering French" you currently have. No doubt it is one of 3 published by D C Heath, but is it the "rouge" or the "bleu" or the "nouveau." It would also be helpful to know which edition (copyright date.)
asked by SraJMcGin