Saturday
April 19, 2014

Posts by anonymous


Total # Posts: 68,192

physics
to clear any confusion, the cart rolls down a hill

physics
If the cart weighs 8.7kg and the cart starts at a height of 3m, what is the final velocity of the cart? the starting velocity is 0

Calculus
Sorry question cancel

Calculus
x dy/dx +2y=1

Social studies
What social or political factors influenced over the creation of public policy

math12A TRIG pleas help
a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.

MATH 12
Kalpna opened this portfolio 4 years ago. - A $8500 fund that earns 5.45%, compounded annually - Monthly deposits of $200 into an account earning 3%, compounded monthly a) What will be the portfolio's value in 30 years when Kalpna is ready to retire? b) What will be the po...

math
If $8000 is invested in an account for which interest is compounded continuously, find the amount of the investment at the end of 12 years for the following interest rates. a) 2% b) 3% c) 4.5% d) 7%

math
If $3500 is invested at an interest rate of 6.25% per year, compounded continuously, find the value of the investment after the given number of years. a) 3 years b) 6 years c) 9 years

Math
The population of a certain species of bird is limited by the type of habitat required for nesting. The population behaves according the the logistic growth model n(t)=5600/0.5+27.5e^-0.044t Where t is measured in years a) Find the initial bird population b) Draw a graph of th...

College Algebra
Define a new function, h(x), which shifts g(x) to the left by 2 units and down 3 units, and also makes g(x) increase faster vertically by some factor (your choice). What is the equation for h(x)?

phyics
A very long 1.75 cm diameter glass rod has one end ground and polished to a convex spherical surface that has a 7.30 cm radius. The glass material has an index of refraction 1.56.

Quick math help please!!!
Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30

Quick biology help please!!!
In natural selection why do animals die? Why do some animals die while others thrive? Why do phenotypes of a population change?

BIOLOGY
In natural selection why do animals die? Why do some animals die while others thrive? Why do phenotypes of a population change?

Math
Can someone show me the right answer to this system? Because I got a decimal but I don't know if that's right! 1. -2x+7y=-19 9x+7y=-30

Math
On five science tests, Jameel scored 90, 92, 88, 98, 92. What is his average score? show how you got your answer.

Science
Name the flower part that elevates the anther.

Science
Why are the sepals and petals referred to as "accessory parts" of the plant?

to kill a mockingbird
what about the outsiders i know its miss caroline but who else?

Math help
How would I solve this system? Y=-3 Y=x+1

reading
what about the outsiders i know its miss caroline but who else?

reading
i did all the questions except these two please help

reading
both atticus and calpurnia serve as teachers to the flinch children. compare and contrast their teaching methods. evaluate the effectiveness of each. use specificdetails from the text to support your analysis. compare and contrast two "outsiders" presented in chapter...

onors Physical Science
T

Math
What shape can be made of 4 triangles and a semi-circle?

Math
Is a dodecahedron only made up of pentagons?

Math
What are the shapes in a octahedron and dodecahedron?

can someone PLS help me with this DRAGONWINGS book
cbbbb

PROBABILITY
A group of 90 students is to be split at random into 3 classes of equal size. All partitions are equally likely. Joe and Jane are members of the 90-student group. Find the probability that Joe and Jane end up in the same class. My idea: the total combination: 90C30 since 2 hav...

Physics
A delivery truck travels 21 blocks north, 17 blocks east, and 27 blocks south. What is its final displacement from the origin (direction)?

Research Report
Yup, that helps! But I'm kind of confused by what you mean by "rephrase." Do I need to use the information in my outline and add to it? I kind of need to use better vocabulary, structure, and information? Is that what you mean?

Research Report
I have written an outline for my research report and I am now writing my report, but I'm finding it hard to see how I can use parts of my outline in my report. Do I include my outline in my report and change it as necessary? How exactly does this work?

language arts
It is B.

Trig
A plane is 48 miles west and 49 miles north of an airport. The pilot wants to fly directly to the airport. What bearing should the pilot take? In degrees and minutes

MATH
the ratio of girls to boys is 3:5 .If there are 15 boys in the classroom ,how many students are there total

algebra
H=2 so 4*2=8-1=7 so the answer is 7

algebra
Assignment Questions Your friend runs up to you, scared that he is not ready for the upcoming quadratics test. To help him study, you will create four different quadratic functions. Then demonstrate to him how to rewrite each function as a group of factors, if possible. The fu...

physics
A convex mirror with a radius of curvature of 39.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.1 cm behind the mirror. What is the magnification?

Physics
A convex mirror with a radius of curvature of 39.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.1 cm behind the mirror. What is the magnification?

physics
A concave shaving mirror has a radius of curvature of 22.0 cm. For each of the following cases, find the magnification and determine whether the image formed is real or virtual and upright or inverted. (a) an upright pencil placed 41.4 cm from the mirror.

Math
find the inverse of f(x)=x^2-8x, x is greater than or equal to 4

Stocks
An investor purchased 700 shares of stock at $54.03 per share. She later sold them for $53.62. The broker's commission was 3% of the purchase price and 1% of the selling price. What is the amount the investor lost on the stock?

Physics
A roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.582 m/s. It strikes the floor a horizontal distance 0.315 m away from the edge of the table. Ignore air resistance. What will be the vertical comp...

Physics
Mission Impossible: Special agent Ethan Hunt tries to escape an assassin by jumping horizontally off a flat roof. His goal is to reach a window, two stories or 5.15 m down, on the building across the alley. Ignore air resistance. If the alley is 11.9 m wide, how fast must he r...

math
I needs324 inches of frige to put around the edge of tablecloth .the fringe come in lengths of 10 yards.if I.buys1package,how many feet of fringe will I have left over.

shurley english
third grade, direct object, pattern 2

Math
Is it 225

Math
The Statue of Liberty weighs 450,000 pounds how many tons is this

reading
and how are the Maycomb's Citizens superstitious

reading
in to kill a mockingbird how is Atticus empathetic and how is dill not always truthful?

religion
what is sexuality in the african religion traditional

Personal Finance
18. Highest performing small-cap fund (five-year minimum) International Fund -- Return --

History
Americans Indians and Europeans interested in many ways. How did cooperation between American Indians and Europeans influence each group's way of life?

Personal Finance
3. Highest performing mutual fund (averaged more than 20%) this year. Mutual fund -- Type -- Return 5. Lowest performing mutual fund for the past ten years. Mutual fund; Frontier Mocrocop Tyoe -- Return -7% 6. Highest money market rate. Money market -- Rate -- Min. Investment --

chemistry
You have a solution that contains 340ml of water and 20ml of ethanol. Find the concentration of ethanol in this solution in each of the following units: (density of water is 1.00 g/ml, density of ethanol is 0.789g/ml)

Chemistry
The molarity of H3PO4 is .01 M. The density of the H3PO4 in the solution is .0009 g/mL. What is the mass percent of H3PO4 in the solution, which has a density of 1.11 g/ml?

Algebra
(x)+(x+37)+ 3x +8)= 180 5x + 45 = 180 5x = 180 - 45 5x = 135 x = 135/5 x = 27 A = 27, B = 3(27) + 8 = 81 + 8 = 89, C = 27 + 37 = 64

physics
Superman must stop a 120km/h train in 150m to keep it from hitting a stalled car on the tracks.If the train's mass is 3.6x10^5kg,how much force must he exert?Compare to the weight of the train (give as%).

Chemistry
What is the volume ofCO2 measured at S.T.P which is involved on heating10.5g of NaHCO3

physic 1
A person is trying to judge whether a picture (mass = 2.27 kg) is properly positioned by temporarily pressing it against a wall. The pressing force is perpendicular to the wall. The coefficient of static friction between the picture and the wall is 0.790. What is the minimum a...

Literature--Please, help me!
This story can be read upon many websites. You simply need to search for it. Furthermore, I have read it multiple times. However, I still cannot find the answers to these questions. That is why I posted them upon this website.

Literature--Please, help me!
Please, I desperately need help with these questions. These questions regard "The Rug Merchant" by James A. Michener. 1. Which of Zaqir's words and actions create the vivid portrait of him? 2. What do you learn about Michener's character through his storytell...

language arts(CHECK ANSWERS)
11. correct 12. correct 15. correct 17. correct 100% correctamundo! haha lol

Determining Probabilities
obviously it is P(not 1) = 10% because that implies that 2, 3, 4, 5, 6, 7, 8, 9, and 10 have 10% chance against 1. so each number that is not 1 will have less than 1% of a chance to beat 1.

Determining Probabilities
then I will tell you if you are correct or incorrect and why.

Determining Probabilities
what do you think?

ITT Tech
what do you think? -18x or -12x? One of these is the answer.

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. gener...

physics
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15 degrees above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires? Important: Assume that the road is higher up to the righ...

physics 1
A person is trying to judge whether a picture (mass = 2.27 kg) is properly positioned by temporarily pressing it against a wall. The pressing force is perpendicular to the wall. The coefficient of static friction between the picture and the wall is 0.790. What is the minimum a...

physic 1
The sun is more massive than the moon, but the sun is farther from the earth. Which one exerts a greater gravitational force on a person standing on the earth? Give your answer by determining the ratio Fsun/Fmoon of the magnitudes of the gravitational forces. Use the data on t...

physics 1
The drawing shows three particles far away from any other objects and located on a straight line. The masses of these particles are mA = 347 kg, mB = 575 kg, and mC = 117 kg. Take the positive direction to be to the right. Find the net gravitational force, including sign, acti...

physics 1
A 103-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is ìk = 0.729. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.27 s, what is his initial speed?

physic 1
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 0.937, determine t...

physic 1
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes are W1 = 52.4 N, W2 =...

Physical Science-Can someone check my answers?
1. correct 2. correct 3. correct 4. Wrong; D is correct %. Wrong; D is correct For the most part, you were close!

physics 1
The drawing shows a wire tooth brace used by orthodontists. The top-most tooth is protruding slightly, and the tension in the wire exerts two forces, and T,T1 on this tooth in order to bring it back into alignment. If the forces have the same magnitude of 20.7 N, what is the m...

Language Arts
All correct. :)

physics
A person is trying to judge whether a picture (mass = 2.27 kg) is properly positioned by temporarily pressing it against a wall. The pressing force is perpendicular to the wall. The coefficient of static friction between the picture and the wall is 0.790. What is the minimum a...

history
1. A 2. ? 3. D 4. B 5. A 6. Don't know what the graph is 7. Manifest destiny was to expand American borders, so this one is up to you. 8. D 9. A 10. ?

history
What are your answers? You cant expect us to GIVE you the answers to your homework.

statistics
What is your Question?

Science
@Tessa, How was I suppose to know! I took a quick check with a similar question, so don't be rude. You didn't exactly clarify what you wanted to know.

Science
Its B.

physics
No. You are correct! :) Just because something seems too simple, doesn't mean you did something wrong. Be more confident in yourself!

Personal Finance
4. Mutual fund that averaged 12% for the past five years. 5. Lowest performing mutual fund for the past ten years. 6. Highest money market rate

zulu home language,english,life orientation,math l
What course would I follow with these subjects

algebra
Pick all of the following answers that represents 2/99 as the sum of two different unit fractions.

Thesis statement
The subject of this paper is my experience with teaching elementary school children” Is this a weak or strong thesis statement how can you make it stronger or improve it? what makes it weak?

Thesis Statement
Read the linked page Writeacher provided for me in the post titled "Essay Evaluation (Writeacher)" below. It most certainly should be able to help you.

Thesis Statement
It's not even a thesis statement.

Thesis Statement
“The subject of this paper is my experience with teaching elementary school children” Is this a weak or strong thesis statement

CHEMISTRY
0.15g of hydrogen chloride (HCl) is dissolved in water to make 6.5L of solution. What is the pH of the resulting hydrochloric acid solution?

pre-calc
find the inverse of the function f(x) = x^2 − 6x, x ≥ 3

Physics
Oh and the starting velocity is 0 just to let you know

Physics
A cart rolls down a hill, if the cart weighs 8.7kg and the cart starts at a height of 3.0m, what is the final velocity of the cart?

2 question
What is an AUP? the abbreviation for the school administrator in an online education environment a document outlining what is acceptable behavior when using the Internet for schoolwork a policy outlining the proper formatting to use in Microsoft® Office documents for onli...

Essay Evaluation (Writeacher)
Yes, I suppose so. However, what do you think about what I have written?

Essay Evaluation (Writeacher)
What do you think about what I have written as an introduction? Dpes it require improvisation or revision? What do you suggest? What I have been assigned to write: "In Amy's Tan's "Rules of the Game," we read about generational tug of war. Write an essay...

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