# Posts by Natalie

Total # Posts: 668

Math
Jill and Matt run on a 400-meter-long oval track. They each run 10 laps daily and both run in the same lane. One day, they begin at the same point, but ran in opposite directions. Jill ran at a constant speed that was 2 meters per second faster than Matt's constant speed. ...

algebra equations
i need help solving the following: 10h = 8h + 6 and 6x + 2 = 3x - 1

If f(x)= 1/1-x Find the composition of f(f(x)). So I get 1/1-(1/1-x) I'm not sure if I am putting it in my calculator correctly because I keep getting a line. Is that right? If I put it in with the parentheses differently, I get the graph of f(x)=1/x. Does anyone know ...

Calculus
If f(x)= 1/1-x Find the composition of f(f(x)). So I get 1/1-(1/1-x) I'm not sure if I am putting it in my calculator correctly because I keep getting a line. Is that right? If I put it in with the parentheses differently, I get the graph of f(x)=1/x. Does anyone know ...

social studies
idek

MATH
I need help ASAP. A firm produces its output in two plants, A and B.a. To maximize its profit, the firm should produce the output at which ______ equals ______. It sets the price given by ______. b. It should allocate this output between the two plants so that ______ equals ...

economics
I can't seem to answer these questions

economics
Can someone assist me with these two questions. Thanks A perfectly competitive firm's demand is ____________ elastic and equal to ____________ which is equal to ____________. A firm is allocating 16 hours a day on its assembly line to producing goods A and B, 12 hours to A...

Ethnic Diversity
I am in Axia as well and this class has definitely been rough on me so I am glad I found the help here! thanks!

algebra
Rectangle R is formed by joining the centers of two congruent tangent circles and then drawing radii perpendicular to a common external tangent. If the perimeter of R is 60, what is its area?

economics
You are planning to estimate a short-run production function for your firm, and you have collected the following data on labor usage and output: Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 Does a cubic equation appear to be suitable ...

economics
You are planning to estimate a short-run production function for your firm, and you have collected the following data on labor usage and output: Labor usage Output 3 1 7 2 9 3 11 5 17 8 17 10 20 15 24 18 26 22 28 21 30 23 Does a cubic equation appear to be suitable ...

whoops, correction
Thank you.

math
I am trying to solve a problem using Newton's equation, which is (-1/2)(9.8)t^2+ vot+ h. The problem says that a car rolls of a 120 foot high cliff. I know how to right the equation for this problem which would be (-1/2)(9.8 m/s) t^2 + vot + 37m. I am trying to find out ...

French
Is there a French word for "a facial" like the treatment of the face. I'm trying to use it in my paragraph and I can't find the word for it.

French
Can someone check my work? I'm trying to say: "He was at the zoo and a lion jumped out of the cage and attacked him." This is my attempt. Could you please fix any mistakes? "Il était au zoo et un lion a sauté de la cage et l'attaqué...

chemistry
how many moles are in Fe2O3

5TH GRADE MATH NEED HELP ASAP
i need help with customary units of weight and capacity

Precalc
A boat that travels at 16 knots in calm water is sailing across a current of 3 knots on a river 250 m wide. The boat makes an angle of 35 degrees with the current heading into the current. Find the resultant velocity of the boat. How far upstream is the boat when it reaches ...

History
"What position would you take on appeasement if you had been living in Canada during the 1930's and had heard about Adolf Hitler and the Nazis? Explain why" Hi, could you please help me by giving me some sort of direction on what i should do, i am not sure if i ...

Spanish
How do you say, How was your trip?, in spanish?

Brain Teaser
What is the answer for this visual brain teaser? ii 00 00 00 00

math
I have a question about Exponential Growth. The problem is: You deposit \$350 in an account that pays 9.5% interest compounded yearly. What is the balance after 6 years? I don't know how to write the equation for this. Does anyone have an idea what the equation might be?

Geography
I've been searching all over the web for this, but cannot find specific details. How did the former Soviet Union encourage its expansive population policy? Thanks in advance.

Grammar
“Well,” Alex smiled into the phone. “I just realized that it was near three and that I wouldn’t get enough sleep and might forget to call you." Because 'Alex smiled into the phone' is description instead of attribution, should there be a period...

biology: the study of life
2. what is meant by the statement "living things do not exist in isolation"? TRUE/FALSE 3.people study biology only if they are planning to become biologists. 4. by studying biology you can better appreciate the great diversity of species on earth and the way each ...

Latin
That's what the chapter was about, though. Pluperfect and future perfect I mean. I'm just seriously stuck because my translations don't fit into the blanks on my worksheet.

Latin
I need some help with pluperfect/future perfect translations. I shall meet You (singular) will arrive You (plural) will leave They will carry They will put on I can't figure them out for the life of me! Thanks, Natalie

Social Studies
between j.p. morgan, john d. rockefeller, cornelius vanderbilt, and andrew carnegie, who's business is a example of horizontal integration

Math
What is the real value of x in the equation log(subscript 2)24-log(subscript 2)3=log(subscript 5)x? I really cannot remember at all how logs work. I know the answer is 125 but have no idea how to get there. Thanks in advance.

social studies
Why is the loyalist mad at the patriots?

Pre-Calc
Could somebody please check this for me? Dtermine whether the graph of each equation is symmetric with respect to the origin, the x-axis, the y-axis, and the line y=x or the line y=-x. I came up with the line being symmetric to the x-axis, the y-axis, and the line y=x. I'm...

Physics
In the air: Vi=0, d=15m, a=9.8m/s^2, vf=? vf^2=vi^2+2ad vf^2=0^2+2*9.8*15 vf=17.15m/s --> speed when hitting the water Now for the water part: vi=17.15m/s, vf=0,d=2,a=? vf^2=vi^2+2ad 0^2=17.15^2+2*a*2 a=-73.5 m/s^2 F=ma F=56*73.5=4116 N

Science
Thank You!:)

Science
How do you find the density of a cyclinder if you are only given the diameter, height and mass?

digit numbers
omar has 318 marblesrounded to the nearest hundred how many marbles does omar have?

English
In high school we have to read great expectations by Charles Dickens for honors English but i do not understand the essay I have to write. Could someone help me please? Compare and contrast the ways in which the protagonist is stuck between two worlds, discuss what they ...

statistics
Can someone help me with this questions. Find the variance for a given data. Rpund your answer to one more decimal place then the original data. Compute the variance. Jeanne is currently taking college zoology. The instructor often gives quizzes. On the past five quizzes, ...

staistics
Can someone assist me in answering this question. Use the given values of n and p to find the mimimum usual value of u-2standard deviations and the maximum ususual values u+20. n-186, p=0.13

statistics
Can someone assist me in answering this question. Use the given values of n and p to find the mimimum usual value of u-2standard deviations and the maximum ususual values u+20. n-186, p=0.13

Shakespeare!
Could someone help me understand something Hamlet says to Polonius? For the satirical rogue says here that old men have gray beards, that their faces are wrinkled, their eyes purging thick amber and plum-tree gum, and that they 190 have a plentiful lack of wit, together with ...

Intro. to Computers
Can you help with these 2 questions? 1. The law firm you work at regularly scans documents into the computer system. They now want to be able to edit the digital image copies of those documents. Which do they need to accomplish this? (A) Optical character recognition software ...

geography
i need help on writing a diomante poem A diamante poem? http://www.readwritethink.org/materials/diamante/ http://www.franklinlakes.k12.nj.us/famsweb/curriculum/English/diamantepoems/diamante.html http://teams.lacoe.edu/documentation/classrooms/amy/algebra/5-6/activities/poetry...

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 home as fast as he...

Chemistry
is there an equation to find mass percent....if know concentration and and final and initial volume of a titration lab? there isnt one then how do you find mass percent? M x L = mols of titrant. From the equation, convert to mols of unknown. Mols of unknown x molar mass = ...

chem
plz help If you carefully place a steel razor blade flat on the surface of water, the razor blade can be made to float. Explain this result, given that the density of steel is much greater than that of water. I'm not really sure what the answer is. I think it has something...

Math--Area
Find the area of each regular polygon to the nearest tenth. Octagon with side length of 10 kilometers. Heres what I tried; but I don't know if im on the right track. Area=1/2 * Perimeter* Apothem Perimeter=base of octagon* number of sides Perimeter=10*8=80 km. SO A=40a (1/...

explicit formula
YO MAMA.

math proportions
dont know i am so dum at math

Algebra
Rationalize the denominator. Assume that all variables are positive. 5x^4y/2x^2y^3 There are square root signs around both parts of the fraction, but I cannot make them on the computer. Thanks in advance. are u using the carrot symbols to mean to the power of...? Yes Come on, ...

Algebra2- Inverses
The Law of Gravitation is represented by the formula Fg=G(m1m2/r2) What would be the inverse of this function Fg-1? What would this force represent? Can someone plz hurry and answer this for me

Algebra Functions
I cannot for the life of me remember how to do this- Find the vertex of the graphs of the functions: Function #1: y=(x-4)(x+2) AND Function #2: y=2x^2-4x+1 Can someone help me get it PLz! OK - to find the vertex of these functions you must have them in quadratic form where the...

ART
For an art project, I have to try and find an artist(preferably famous- so that i can find information on him/her)that draws/paints buildings. As i am having trouble finding one. Thank you if you can help! Thank you for using the Jiskha Homework Help Forum. This is an ...

chemistry 12
sry, a misprint. its: O2+2F2 <--> 2OF2 The question is looking for Kc. 2.50 mo of oxygen and 2.50 mol of fluorine gas are placed in a 2.00L glass container at room temperature. The container is heated to 400K and the following equilbirum is established: O2+2F2 <-->...

history
im reading the book kinf arthur i need help! who did launcelot marry? You can find that at the following site: http://en.wikipedia.org/wiki/Lancelot

Slope Form!!
2x + y = 9 *You need to put it into slope form and solve for x and y!PLz help! y= -2x + 9 -2,intercept: -7

MATH HELP!
Len has 2 one doller bills 3 qaurters 4 dimes 1 nickel and 3 pennies. How much money does he have in all.

Physics
26.7

Algebra
Can someone please help me with these algebra problems? The directions are: Solve the equation or formula for the indicated variable. m=ax+bx for x 8=mx+ax-2 for x ax+bx-3=4 for x Anything is helpful! Thanks. For m=ax+bx for x you would use the distributive property to get m=(...

Home Economics
List 5 careers that are possible from 3 areas in Home Economics. Why don't you list the areas of Home Economics first, then match those areas up with careers. I can think of cooking, sewing, (by the way, most Home Ec departments now prefer to be called Family and Consumer ...

Math
Your Aunt will give your \$1,ooo if you invest it for 10 years in an account that pays 20% interest compounded annually. That is, at the end end of each year your interest will be added to your account and invested at 20%. What will your account be worth at the end of 10 years...

Math
Your Aunt will give your \$1,ooo if you invest it for 10 years in an account that pays 20% interest compounded annually. That is, at the end end of each year your interest will be added to your account and invested at 20%. What will your account be worth at the end of 10 years...

Math
A goblin miner earns 1 cent the first day, 2 cents the second day, 4 cents the third day, 8 cents the fourth day. How much will the miner earn in 30 days? Ok--I know to double the answer each time until 30--which would be:5,368,709.12 Is there an equation to make this easier? ...

Math
Fay's rubber ball bounces exactly half the height from which it is dropped. She drops the ball from the top of a building that is 64 meters tall. How high will the ball bounce on its eighth bounce. Could someone explain this? Thank you! Natalie 1/2 of 64= 32. 32 feet is ...

chem question
This is on a practise exam I have and I cant get part of it, I don't know if it is not only due to my not understanding but to the fact that the first two parts might be wrong. Thanks for your help if you can. Heres the question: A coffee-cup calorimeter normally consists ...

Physics for exam
I can't get this question and its been driving me crazy. I need to know how to do this for my exam. Any help would be appreciated. A golfer is practising his/her swing at a distance of 150m from a house. On the way back to the ground, 5.00 seconds after being hit, the ball...

BIOLOGY
wow this was a long time ago and no one would help him... lol

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