Tuesday
July 29, 2014

Posts by Ariana


Total # Posts: 101

Physics
An astronaut of mass m in a spacecraft experiences a gravitational force F=mg when stationary on the launchpad. What is the gravitational force on the astronaut when the spacecraft is launched vertically upwards with an acceleration of 0.2g? A 1.2mg B mg C 0.8mg D 0 Ans= B Som...

Maths!
Find the sum of all multiples of 5 between 100 and 300 inclusive. Ans: 8200 I do not know how to do this. Really do appreciate step by step workings and explanation. Thanks!

Statistics
The registration numbers of vehicles in a certain country use digits 1-999. If a visitor has just entered the country. What is the probability that the first car he sees has at least 2 identical digits? Ans: 29/111

Physics
Intensity is the same? But the question states that it is halved? I don't quite get it........

Physics
A person is initially 8 m from a point sound source which emits energy uniformly in all direction at a constant rate. If the intensity of the source is to be halved but the sound is to be as loud as before, what distance should the person be from the source? Ans: 4 square root...

Physics
Two blocks A and B are connected by a light in extensible cord passing over a frictionless pulley. Block A starts from rest and moves up the smooth plane which is inclined at 30 degrees to the horizontal. Calculate at the moment that A has moved 4 m along the plane. (a) the to...

Geometry
All square and all rectangles are equilateral?

Geometry
thank you

math
Mrs. Zimmerman spent $55 at the grocery store. 40% of that she spent on meat. How much did she spent on meat?

Maths
Still don't think this is right. Mortgage is for $300,000 for 30 years, Fixed interest rate = 7% per year. Annual payments = $23,500 At end of 30 years, must make balloon payment. How much is the balloon payment? My teacher said it will be like making 3 payments at the end.

Maths
Mortgage is for $300,000 for 30 years, Fixed interest rate = 7% per year. Annual payments = $23,500 At end of 30 years, must make balloon payment. How much is the balloon payment?

pre a-p math
a playground is 100ft by 150 ft. you want to make a scale drawing of the playground on a 8.5 by 11 paper what scale could you use? please help

Math
The temperature at 6 a.m was 3° f. At noon it was it was 10° f. What was the change in the temperature ?

pre algebra
a 28 foot flagpole cast a shadow 95 feet long. a nearby person cast a shadow 17.5 feet long. how tall is this person

Maths
Thanks for your reply. The answer is correct!

Maths
I have a diagram in which AB is a vertical cliff. BC is a vertical building 80m in height. P is a point on level ground 200m away from A. The angle of elevation of the bottom of the building from P is 44 degrees. What is the angle of elevation of the top of the building from P?

math
DVD cases are 9/16" wide. If Juan has 60 DVDs, how many will fit on a 2 1/2 feet long shelf?

English 12
Yes my teacher assigned it today but I get it now, thank you!

English 12
"Dressing up for the Carnival" by Carol Shields Comment on the title of the story. What is "the carnival"?

geometry
a 27 feet tall ladder is placed so that it reaches 25 feet up on the wall of the house. How far is the base of the ladder from the wall of the house. Please help.

geometry
round to the nearest tenth. a rectangular plot of land is 80 meters wide and 98 meters long. Find the length of the diagonal and if necessary, round to the nearest tenth.

Math
You will be designing a park your park must contain the following a rectangle 100yds x 120yds . A picnic n playground area must be add up to be at least 1/2 of the park the picnic area must have a circular garden

language
Alright so all of those who look at this and have the same questions this should all be the same! Don't think just because you don't have the same class with them that the answers might be different. The answer for #1 is c and #2 is b. I took the assessment and I thoug...

Language arts plz help~!
Hello, I'm not from ur school but I get the same questions and answers as ur curriculum. I had this same assessment and for #2 Mrs. Sue is correct, it is stage directions. I know this because I took a shoot in the dark and went for stage directions instead of teleplay and ...

Math
Dr. Michael Lewis bought a bike that cost $455 plus 7 1/2 percent sales tax. Find the final cost

Math
Jessica wants to seed her backyard with grass seed. Her yard is 120 fet long and 90 feet wide. If Jessica buys bags of seeds that cover 600 square feet, how many bags of seed will she need?

Physics
A 4.1 kg bundle starts up a 31° incline with 148 J of kinetic energy. How far will it slide up the incline if the coefficient of kinetic friction between bundle and incline is 0.39?

Physics
You drop a 1.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your friend's outstretched hands are at distance d = 1.40 m above the ground (see the figure), (a) how much work Wg does the gravitational force do on the book as it drops to her ...

chemistry
how do i balance SO3 + H2O = H2SO4

Math
Create 4 proportions that will work for the following scenario: If the scale is 3.5 in = 8 ft and the drawing measures 6 in, what is the actual distance?

Physics
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 56° with the horizontal. The coefficient of static friction between the ladder and the ground is 0.36. If your mass is four times that of the ladder, how high can you cli...

History---Modern World History
Thank you so much!!! I really don't understand my teacher very well. She tries to explain but it makes no sense. I wrote a 7 paragraph essay on a total different subject one time, I ended up having to write it all over again.. Completely differently. Thanks again for your ...

History---Modern World History
Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power. I'm good at writing paragraphs but I really don't understand the question! If someone could explain to me what my teacher wants and how I should go ...

social stody
what parts of canada are good for growing crops

chemistry
If 0.500 mol NaN3 react, what mass in grams of nitrogen would result?

6th grade math
im studying exponents. 50 is my result number How did I get using exponents

CHEM
Pu-239 has a half-life of 24110 y. If 1.00 kg of this isotope is present in the used fuel rods of a nuclear power plant approximately how long will it take for this amount of Pu-239 to decay until there is less than 1 mg left ? Please help. I do not know how to do this question.

accounting
1. Describe the roles and responsibilities of management and independent auditors in the financial reporting process 2. Define the following three users of financial accounting disclosures and the relationships among them: a) Financial analysts b) Private investors c) Institut...

Chemistry
The boiling points of the following compounds increase in the order in which they are listed below: CH4 < H2S < NH3 Discuss the theoretical considerations involved and use them to account for this order.

Chemistry
If you were given 0.021 milligrams of the compound,H3PO4, what would the mass of H in the sample be?

Math
Write an equation of the line satisfying the given conditions Parallel to the line y=-4x+3 and a y intercept of -5 Please help I am really confused

geometry
I NEED HELP ON MY mATH!!!!!

algebra 1
a roll of carpet 9 ft wide is 30 ft longer than a roll of carpet 15 ft wide. both rolls have the same area. make a sketch and find the dimensions of each.

chem
Why do you think water is often called the universal solvent and what makes it such a good solvent?

chemistry
Why are the published values of the boiling points of substances always taken at 1 atm?

chemistry
Why are the published values of the boiling points of substances always taken at 1 atm?

Chemistry
(True or False) Wax is nonpolar, yet it exists as a solid at room temperature. Its solidity is best explained by the presence of dispersion forces.

chemistry
What type of intermolecular forces would you expect to find between molecules of H2O? of BrCl? of hexane (C6H14)?

Chemistry
How are the three types of intermolecular forces similar? How are they different?

Business
The U.S. cigarette industry has negotiated with Congress and government agencies to settle liability claims against it. Under the proposed settlement, cigarette companies will make fixed annual payments to the government based on their historic market shares. Supposed a manufa...

Business
This is all the information given in the problem. It does not give the average occupancy rate in the summer.

Business
A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer. Management charges higher nightly rates in the winter, ...

Managerial Economics
As vice president of sales for a rapidly growing company, you are grappling with the question of expanding the size of your direct sales force (from its current level of 60 national salespeople. You are considering hiring from 5 to 10 additional personnel QUESTION: How would y...

Chemistry
How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

chemistry
How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

chemistry
Why is carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?

Math
Leah liked to balance objects she found around the house using the science kit she got for Christmas. She found that 3 identical apples and a 5-gram weight exactly balanced a 50-gram weight. Leah said she could tell how much each apple weighed by solving the equation 3a+5=50. ...

Global History
thank you

Global History
reasons/causes why there was a fight for the holy land christians vs muslims.

math 115
evaluate: 30/5x3-2 --------- 2-2/3 ( /= divided by) is the correct answer 16/-4?

Math
Thanks ! Just wanted to make suree (:

Math
Alice has five shirts and three ties. How many possible outfits consisting of one shirt and one tie does he have?

history
What is Anne franks legacy?

social studies
how was alexander influenced by greek culture

Francais
Hi, thank you very much. Do you mind just re-checking it one more time for me! Thanks a ton!! Bonjour, Classe! Le nom de ma planète c’est asteroїde S-12. Sur ma planète il y a quatre objets symboliques qui me représent. Les étoiles pour m...

Francais
Could you see if these paragraphs need any corrections? Bonjour, Classe! Le nom de ma planète c’est asteroїde S-12. Sur ma planète il y a quatre objets symboliques qui me représent. Les étoiles pour ma source de joie, un chiffon pour ma s...

Francais
Sorry, but i never posted anything at 10:11 p.m. this is my first post at 10:53 p.m. But,thank you for your help. I appreciate it greatly.

algebra, i just dont get it?!
point slope?

Spanish
you did a good job on most of those!

spanish 1
el telefono esta cerca del escritorio :]

3rd grade 1st year spanish
the first two are right.. the other two arent. im latin i should know.

Science! Plz help!
I can't figure this out. The questions are 1. A 25 letter word for a endoplasmic reticulum connected to the ribosomes. 2. 14 letter word for packaging of materials inside the cell. 3. 11 letter word for sinle- celled organism that can live on it's own 4. a 15 letter wo...

math
16,000 rectangles, 32,000 squares.

11th grade English urgent
What i would do is go to a dictionary, pick the definition that best fits it, and write that. Did that help?

math ( factors)
1,2, 4, 8, 16, 32, and 64

Science
I can't figure this out. The questions are 1. A 25 letter word for a endoplasmic reticulum connected to the ribosomes. 2. 14 letter word for packaging of materials inside the cell. 3. 11 letter word for sinle- celled organism that can live on it's own 4. a 15 letter wo...

9th grade
what class is that from?

Geography
Thank you so much, I spent hours looking on google for a sight that could help.

Geography
I'm doing mapping and I need to put Bogota, Rio De Janeiro, and Buenos Aires on a map of the western hemisphere. I know if they're in north of south america, but I need exact location by Monday.

math
What's 9/10 of 10/7? I don't know how to divide 10/7. I know 10/7 = 1 3/10, but I cant divide it.

Social Studies
Thank you so much. That should help a lot.

Social Studies
What are the checks and balances? (In our government)

Social Studies
Thank you SO much!

Social Studies
What are four ways that congress can check the power of the president?

math
Sorry, I'm not the best at math whatsoever, I've already posted like 5 math questions.

math
The radius is 12 because 6 and 12 are 6 apart and 1 and 7 are 6 away. 6+6=12

Math
It's 81. 9x9=81. 81-36=65. 65+36=81

Math
It's 81. 9x9=81. 81-36=65. 65+36=81

Math- Fractions
Thanx

Math- Fractions
I know this seems easy, but i stink at fractions. What is .105 as a fraction?

EMERGENCY!!!
Your pinky has a block in it. It's like when you wrap a rubber band around your finger. You'd probably want to go to a hospital or doctor at least. You should do it somewhat quickly.

social studies
what are some things that i can put in at lease 4 pharagraphs?

math (percent change)
yea

Language
would the common noun be day?

MHO-Writeacher
oh ok.

MHO-Writeacher
wHAT does MHO mean?

long for people to answer
I agree, sometimes it seems to take a long time, but I'm just an impatient person.

English-Of Mice and Men
In this book, why does John Steinbeck include info. about Slim's pups? Is it so that Lennie would get one and then kill it, therefore emphasizing how he doesn't know his own strength?

Math 7th grade
I am very bad at fractions.Can anyone tell me what a multiplication sentance is? The book gave me a model. It is an expression in math or written form. John had 1/2 of the pizza, and he ate 3/8 of that. How much did he eat of the original pizza. 1/2 x 3/8 dont know 25.70 divid...

4th grade math?? help!!
What is the range of 36,75,63,49,83,46,54,79

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