Monday
May 20, 2013

# Homework Help: High School

algebra
the number of people the school can hold is at most 200. how can i present this in inequality is this correct x=<200
Sunday, January 29, 2012 at 2:58pm

Physics
A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. If her downward motion is stopped 2.30 s after her feet first touch the water, what average upward force did the water exert on her? I'm not sure how ...
Sunday, January 29, 2012 at 1:59pm

physics
A person lifts a 199 Newton stack of books 12 meters high in 7 seconds. How much power is used to lift the books?
Sunday, January 29, 2012 at 12:44pm

English
Can you please check these sentences? I find it difficult to rephrase to sentences. Thank you. 1) thank you very much for helping me with my school search. 2) In the blog I noticed that your colleague wrote that the involved students come from the fifh and sixth classes. 3) ...
Sunday, January 29, 2012 at 12:23pm

2nd Semester
2nd Semester begins tomorrow and I won't be having art anymore I'm having facs. So is there any useful tips you teachers would like to give me to get me a head start next semester. there are tons of things next semester passport day at my school, exams, fun events, ...
Sunday, January 29, 2012 at 12:16pm

Chemistry
1) Which of the following properties of water can be explained using hydrogen bonding arguments? 1. its ability to dissolve most ionic compounds. 2. its high boiling point. 3. its low vapor pressure a) only 1 or only 2 or only 3 b) 1 and 2 only c) 1 and 3 only d) 2 and 3 only...
Sunday, January 29, 2012 at 11:43am

math
tickets to a school play cost 1.5 in advance and 2.0 at gate. by selling all 200 tickets students got \$360. how many tickets did they sell in advance?
Sunday, January 29, 2012 at 11:20am

1) Which of the following properties of water can be explained using hydrogen bonding arguments? 1. its ability to dissolve most ionic compounds. 2. its high boiling point. 3. its low vapor pressure a) only 1 or only 2 or only 3 b) 1 and 2 only c) 1 and 3 only d) 2 and 3 only ...
Sunday, January 29, 2012 at 12:30am

Physics
A ball is thrown straight up from the ground with an initial velocity of 30.4 m/s; at the same instant, a ball is dropped from the roof of a building 21.1 m high. After how long will the balls be at the same height? The acceleration of gravity is 10 m/s2. Answer in units of s
Saturday, January 28, 2012 at 11:46pm

English
I really need help with my writing. I need some to proof read a paper that I wrote. Two Career Families versus One Career Families Back in the early days the traditional working family was a one career family. The roles of husband and wife were defined and everyone did as they...
Saturday, January 28, 2012 at 12:42pm

Math
When the band traveled to the latest competition, they left school on the bus at 9:30 am. They arrived in Astoria and practiced until 7:15pm. How long did they spend traveling and practicing that day? What kind of math do I need to do to see how long they practiced?
Saturday, January 28, 2012 at 12:13pm

statistics
A survey about the art program at a school found that 250 students wanted an after-school art program, 150 students wanted art classes during the day, and 100 students thought that the school should have no art program. If a circle graph were made from this data, what would be...
Saturday, January 28, 2012 at 11:41am

Physics
A child tosses a baseball to his siter, who is hanging out the window of an apartment building. The ball's initial velocity is 18 m/s upward. (Ignore any horizontal motion) 1. How long will it take for the ball to reach its maximum height? 2. The sister catches the ball 3....
Saturday, January 28, 2012 at 12:24am

english / compare & contrast essay
Hey guys!! I was hoping someone could critique/view/edit me essay for me? :) It's a compare and contrast essay on Mother Tongue by Amy Tan, and How to Tame a Wild Tongue by Gloria Anzaldúa. I'm a hs junior but i'm also taking college english~critical writing...
Friday, January 27, 2012 at 11:46pm

Calculus (Vector-Valued Functions)
"a ball is thrown horizontally from the top of a cliff 256 ft high with an intial speed of 50 ft/sec. find the time of flight of the ball and the distance from thr base of the cliff to the point where the ball lands"
Friday, January 27, 2012 at 10:13pm

geometry
if I want a ramp with a 30 foot length, and a 5 percent up grade starting at 0, how high will the tall end be?
Friday, January 27, 2012 at 10:06pm

English
I left out a sentence, too. Thank you very, very much 1) In particular, your school would analyze the water in your local area (the results of which will then be exchanged through an E-twinning platform set up by the German schoool) and you would also help the Italian science ...
Friday, January 27, 2012 at 7:44pm

English
Writeacher, this is my last doubt! As I couldn't find anything on the objectives of a project on the biodiversity of water in English I'll have to refer to these objectives which refer to soil. Do you think you can help me? The topic must be water (rivers, ocean etc) ...
Friday, January 27, 2012 at 7:38pm

English
Here are the last sentences. Thank you very much. 1) Ten students and two teachers (from each of the four schools) will take part in the mobilities of this two-year project. 2) The teachers and the students involved will be chosen by each school discretionally if the project ...
Friday, January 27, 2012 at 7:28pm

English
Sentence 3 was incomplete. Can you please help me to express it better? Thank you 3) The final product of our research will be both a DVD and a film. The French school has the instruments (?) to make a film out of our common experiences. (The students will decide how to make ...
Friday, January 27, 2012 at 6:51pm

English
Thank you very much! Here are the last sentences I need you to check. 1) Could you also email (to my school) a short presentation of your school, explaining which scientific subjects your students learn and if they learn them in English? 2) (I need to determine which ...
Friday, January 27, 2012 at 6:41pm

English
I don't know exactly how to express these concepts. I urgently need to express them in English. Please, help me! 1) Tomorrow I will tell both our French and German partners that your school is going to cooperate with us on the project. 2) We have agreed on a common theme ...
Friday, January 27, 2012 at 6:13pm

psychology
what school of thought would best describe rioting behavior after a large sporting event
Friday, January 27, 2012 at 3:52pm

Physics
Which of the following desceriptions about ideal gas is/are correct? 1)An ideal gas obeys Boyle's law only under high temp and low pressure 2)the molecules of an ideal gas have no size 3)the internal energy of an ideal gas consists of kinetic energy only A.1)only B.3)only ...
Thursday, January 26, 2012 at 9:58pm

Physics
is it right that ideal gas only obey the boyles law under high temp and low pressure?
Thursday, January 26, 2012 at 9:45pm

physics
A cat that has a mass of 6 kg climbs to the top of a tree that is 20 m high. How much potential energy does the cat have at the top of the tree?
Thursday, January 26, 2012 at 8:16pm

physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Thursday, January 26, 2012 at 8:11pm

Science/English/Math
I was selected to the Math Academy at my school. I have it every wednesday after school. They are going to prepare me for the NYS Math Exam!!! :) I got a 80 on my Science Quarterly Exam!!!! :) (i didn't know some of my friends and other people were saying good job laruen ...
Thursday, January 26, 2012 at 6:18pm

ELA
They gave us a paper where we have to correct the mistakes. My twin cousins I have identical twin cousins, Joe and John. They look exactly alike except that Joe has a tiny birthmark under his chin. Unless you look very closely,youd miss it. Both have straight, dark brown hair...
Thursday, January 26, 2012 at 5:22pm

English
I urgently need you to check the agenda again: Agenda of the Comenius project 1) 27 January 2012 Greeting of the principal of "... high school" (to the German and French schools) in the teachers' library. 9 pm -12pm Visit of the school (and its laboratories) ...
Thursday, January 26, 2012 at 5:06pm

Physics
The rock reaches a maximum height of 20.4 m above the top of the cliff before falling to the base of the cliff, landing 5.56 s after it was thrown. How high is the cliff?
Thursday, January 26, 2012 at 4:55pm

English
I left out these sentences. Could you please check them? Thank you. 1) We are delighted to welcome today representatives from the French and the German school with whom we will embark (work?) on our Comenius project. 2) We have searched with difficulty to find two schools that...
Thursday, January 26, 2012 at 4:37pm

central highschool
ken's cartoons for the school newspaper, but they wouldn't be good
Thursday, January 26, 2012 at 3:56pm

physics
A storage tank of negligible mass and 30 m high is filled with gasoline
Thursday, January 26, 2012 at 3:25pm

Math
The number of library books in a school increased by 20% after it bought new books in may. The number increased by another 20% after a bookstore donated 300 books in June. Find the number of books in the library before it bought new books in May.
Thursday, January 26, 2012 at 2:29pm

English
I left out these sentences. Thank you very much for your cooperation. 1) We would eventually like to build on not only the sharing of information between schools but on building an eventual student exchange programme between the schools. 2) This project is also important to ...
Thursday, January 26, 2012 at 2:21pm

English
You are perfectly right. I wanted to add these sentences, too. I really need your revision. 1) We must remember past atrocities but at the same time we must do something against them. It is for this reason that our school has decided to embark on a European project involving a...
Thursday, January 26, 2012 at 2:20pm

English
I urgently need you to check these sentences on the Holocaust. Thank you. 1) 27 January was chosen as the date for Holocaust Memorial Day because it was on this date in 1945 that the largest Nazi killing(?) camp Auschwitz-Birkenau was liberated. 2) On this day our school ...
Thursday, January 26, 2012 at 1:45pm

Physics
is that right ideal gas only obey the boyles law under high temp and low pressure?
Thursday, January 26, 2012 at 11:50am

English
Could you please check this? Thank you. 1) My English colleague will be at school this afternoon to welcome the French delegation. As I told you, I have afternoon lessons and then I'll be busy picking up my child from school.
Thursday, January 26, 2012 at 7:59am

Science/English
writeacher, I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? The project is addressed to 16-year-old students with an intermediate level of ...
Thursday, January 26, 2012 at 7:55am

English
I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? I wrote them but I need your check: Biodiversity in water and waterways in our local area. ...
Thursday, January 26, 2012 at 7:19am

harris middle school
a bag contains 5 red marbles,4 white marbles, and 9 blue marbles. you pick a marble without looking. find the probability of drawing a white marble.
Thursday, January 26, 2012 at 12:04am

Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Wednesday, January 25, 2012 at 9:04pm

Physics
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed to collide into a tumor, killing the malignant cells. Suppose a proton accelerator is 4.21 m long and must accelerate protons from rest to a speed of ...
Wednesday, January 25, 2012 at 7:06pm

math
Mr. Garcia is going to pain a mural on one wall. There is a rectangular shaped window that is 24 in. wide and 36 in. high on the wall. How many square feet of the wall will be painted?
Wednesday, January 25, 2012 at 5:54pm

1. Which of the following statements regarding stress and hair loss is NOT true? a. The best treatments for stress induced hair loss are to improve sleep quality, manage stress, and have a healthy dietary intake. b. Stress may cause hair to fall out as a result of destroyed ...
Wednesday, January 25, 2012 at 3:48pm

English
I'm posting you five sentences but I really don't know if all the words (in parentheses) are possible. 1) .... a green-and-white kilt (?), a white, short-sleeved shirt and a pair of knee-high socks. He is carrying a very high and heavy log (not trunk) with both hands. ...
Wednesday, January 25, 2012 at 2:40pm

English
I left out the following sentences. Can you please have a look at them? 1) The man on the left is wearing a green-and-white kilt, a short-sleeved shirt and a pair of knee-high socks. He is carrying a very high and heavy log (not trunk) with both hands. His clothes are very ...
Wednesday, January 25, 2012 at 1:57pm

math
In a basketball free-throw contest held at the high school, Rudy made 4 out 5 free throws. At this rate, how many free throws could he expect to make in 25 tries?
Wednesday, January 25, 2012 at 12:12pm

English
I urgently need you to check these sentences. Thank you very much. 1) I received the address of your school from a university student I met during my summer vacation in Madrid. 2) We are currently looking for a school interested in joining us in a multilateral Comenius ...
Wednesday, January 25, 2012 at 10:00am

1. You are the head researcher on a study that is tracking vocational preferences from high school through middle adulthood. List the steps you would take in selecting the sample to be used in the study. 2. A researcher decides to give a questionnaire on television watching ...
Wednesday, January 25, 2012 at 9:21am

High Point
a sign is in the shape of rhombus with a 60 degree angle and sides of 9cm long. Find its are to nearest tenth?
Tuesday, January 24, 2012 at 10:46pm

Physics
A passenger in a helicopter traveling upwards at 17 m/s accidentally drops a package out the window. If it takes 9 seconds to reach the ground, how high to the nearest meter was the helicopter when the package was dropped?To the nearest meter what was the maximum height of the...
Tuesday, January 24, 2012 at 8:51pm

English
Writeacher, I need your help to write the English translation of the speech my principal will hold when meeting both the German and the French principals. Can you suggest to me "formal" sentences he will probably use when welcoming them, showing them our schooland ...
Tuesday, January 24, 2012 at 5:13pm

Math
The number of library books in a school increased by 20% after it bought new books in may. The number increased by another 20% after a bookstore donated 300 books in June. Find the number of books in the library before it bought new books in May.
Tuesday, January 24, 2012 at 4:26pm

Math
A model rocket is shot straight up from the roof of a school. The height at any time t is approximated by the model h=-t^2+3t+28, where h is the height in meters and t is the time in seconds. When does the rocket hit the ground?
Tuesday, January 24, 2012 at 4:18pm

physics
A 42.0 kg girl jumps on a trampoline. After stretching to its bottom limit, the trampoline exerts an average upward force on the girl over a displacement of 0.50 m. During the time that the trampoline is pushing her up, she experiences an average acceleration of 65 m/s^2. Her ...
Tuesday, January 24, 2012 at 2:44pm

English
I urgently need you to check this part for me. Thank you very much for your cooperation. 1) I go on the internet every day to conduct research on various school subjects. I normally go on google as a search engine to find answers to my homework. 2) I usually spend two hours on...
Tuesday, January 24, 2012 at 2:06pm

physics
A stone is launched straight up by a slingshot. Its initial speed is 20.1 m/s and the stone is 1.30 m above the ground when launched. Assume g = 9.80 m/s2. (a) How high above the ground does the stone rise? (b) How much time elapses before the stone hits the ground?
Tuesday, January 24, 2012 at 11:46am

Math - solving quadratic equations with factoring
A person jumps off a 20m high cliff into water below. The height of the person above the ground at time t seconds is given by the equation h=-5t^2+30. How long does it take the person to reach the half way mark to the water?
Tuesday, January 24, 2012 at 11:13am

English
I urgenlty need you to chekc these sentences. Thank you. 1) As you are a scholar with an in-depth knowledge of Clil within a Comenius project, I would like to have your opinion about the objectives we should include in the project. 2) Could you let us have a look at your ...
Tuesday, January 24, 2012 at 3:12am

Physics
A ball is thrown horizontally from the roof of a building 29.7 m high at 39.6 m/s. (a) What is the vertical velocity of the ball when it lands? (use down as the positive y-axis direction)b) What is the ball’s total velocity (speed and direction) when it lands?
Monday, January 23, 2012 at 4:08pm

Economics
11. Often, the _______ the risk, the _______ the rewards. A. higher; higher C. higher; lower B. lower; higher D. faster; quicker 12. When the government of Indonesia imposes a tax on imported electronics products to help its young electronics industry compete in the global ...
Monday, January 23, 2012 at 12:47pm

English
I urgently need you to check these sentences. Thank you. 1) I'm pleased to get to know that the French delegation will be arriving on 26. January. On that day I have got afternoon lessons till 3.15 pm. 2) The school administration office will be opened until late in the ...
Monday, January 23, 2012 at 12:01pm

English
Sentence number 5 was incomplete. I think I should leave out "in part two". I urgently need you to have a look at these other sentences, too 1) I hope you can help me find a Scottish school which is interested in a partnership with our school. 2) In the mail I sent ...
Monday, January 23, 2012 at 8:42am

physics
A ball is thrown vertically upward with a speed of +10.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its velocity when it returns ...
Monday, January 23, 2012 at 12:22am

physics
A ball is thrown vertically upward with a speed of +10.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is its velocity when it returns ...
Sunday, January 22, 2012 at 11:25pm

Physics
A 57-kg lead ball is dropped from the leaning tower of Pisa. The tower is 56 m high. (b) What is the speed of the ball after it has traveled 2.5 m downward?
Sunday, January 22, 2012 at 7:26pm

winter springs high
how do i solve 2x+7y=-20 and y=3x+7
Sunday, January 22, 2012 at 7:23pm

physics
During a Science day learners use a plastic cold drink bottle as a rocket.They use a bicycle pump to increas the presure inside the bottle.When the presure becomes high enough,the bottle is launched vertically upwards into the air.The bottle returns to its original position ...
Sunday, January 22, 2012 at 4:23pm

Math
Ella reports that the height of a tree in her school yard is 3.8m. If ella measured the tree to the nearest hundredth of a metre, what is the least height she might report?
Sunday, January 22, 2012 at 3:49pm

English
I urgently need to write a short email to a scholar specialized in Comenius projects. After presenting myself and the school I'd like to include this: 1) As you are a scholar with an in-depth knowledge of Clil within a Comenius project, I would like to have your personal ...
Sunday, January 22, 2012 at 3:40pm

math
The height of a ball that was batted into the air at 150 feet per second is a function of t, the time in seconds after the ball was hit. The height is determined by subtracting 15 times the square of t from 150 times t. Which equation can be used to find t when the ball is 300...
Sunday, January 22, 2012 at 11:29am

English102
Could someone take a look at my sentence outline for my english class, I have been working on this for awhile and I do not know why this is so hard for me to get. Hopefully I am getting it a little betternow, thanks for all the help. Thesis Statement: Bullies have found it ...
Sunday, January 22, 2012 at 10:58am

english
I have to write a compare contrast essay does this sound ok? One of the toughest decisions that you are going to face as a parent is to decide where to send your children to get their education. There are many reasons why public schools are academically superior to home ...
Sunday, January 22, 2012 at 9:56am

statistics
Can someone guide me on how to solve this problem: A sample of 52 night students ages is obtained in order to estimate the mean age of night school students. sample mean = 25.9 years. the population variance is 23. Give a point estimate for the mean. Find the 95% confidence ...
Saturday, January 21, 2012 at 11:59pm

Literacy
Efficiency can best be defined as A. the amount of output generated in a given amount of time. B. producing items using the least amount of resources. C. using high-tech equipment on a job. D. producing as much as you can as fast as you can, regardless of cost. my answer is B
Saturday, January 21, 2012 at 11:54pm

Math
6.An aqaurium is 80cm long, 40cm wide, and 40cm high. What is its volume? I got 128,000cm3 One cubic centimeter (cm3) holds 1 milliliter of water. 1,000 cm3 hold 1 liter. How many mL will the tank in problem 6 hold? How many liters? How do I find out how many mL and liters ...
Saturday, January 21, 2012 at 10:51am

Math
An aqaurium is 80cm long, 40cm wide, and 40cm high. What is its volume? I got 128,000cm3 One cubic centimeter (cm3) holds 1 milliliter of water. 1,000 cm3 hold 1 liter. How many mL will the tank in problem 6 hold? How many liters?
Saturday, January 21, 2012 at 10:30am

ENG102
Hello, I am doing a Sentence outline for Engish102 and I just need to know if I am on the right track with this, it is a little confusing for me, so any feedback would be great. Thesis Statement: The research and effects that links cyber bullying with teachers, parents and ...
Saturday, January 21, 2012 at 7:55am

earth
Body on surface of earth weighs 400 lb. Radius of earth is about 4000miles. If same body were placed on 4000 mile high tower, what would its weight be
Friday, January 20, 2012 at 6:19pm

Math
for every girl taking classes at the school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a propotion to predict the number of boys taking classes at the school.
Friday, January 20, 2012 at 6:15pm

physics
Assume your mass is 80 kg. The acceleration due to gravity is 9.8 m/s 2 . How much work against gravity do you do when you climb a ﬂight of stairs 2.3 m high?
Friday, January 20, 2012 at 5:15pm

French
Can someone please help edit my French? My French: Quelles matières étudiez-vous cette année ? Moi, je fais deux les maths, la chimie, la physique, l’anglais et le français. Je n’aime pas les maths parce que il y a beaucoup des devoirs ...
Friday, January 20, 2012 at 4:44am

physics
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 68.0° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 26.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...
Thursday, January 19, 2012 at 11:51pm

physics
A ball is thrown from a cliff upward with a speed of 20 m/s, the angle is 33 degrees and the ball hits the ground 9.2 seconds later, how high is the cliff to the nearest meter?
Thursday, January 19, 2012 at 10:15pm

physics
A ball is thrown from a cliff upward with a speed of 21 m/s and at an angle of 56 degrees to the horizontal. How high does it go above the cliff to the nearest tenth of a meter?
Thursday, January 19, 2012 at 9:49pm

Physics
billy and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 41 minutes to arrive at school. bill arrives 21 minutes after amy. how much faster (in meters/second) is amy's average speed for the entire trip?
Thursday, January 19, 2012 at 7:46pm

Math
Amy, a senior, bought a car last year so that she could drive to school on the days when she needed to stay after class for practice. She spent \$155 last year for gas. This year she spent \$195. Disregarding other factors, what is the inflation rate?
Thursday, January 19, 2012 at 6:10pm

french book
I have homework in my French book but left it at school. I use the Imaginez: le français sans frontières. There is an online version but it says I needa code. I don't have my book with me so I can't get the code from there. is it a common code that can be...
Thursday, January 19, 2012 at 4:58pm

physics
A car of mass 1200kg accelerates from rest to a speed of 8.0ms in a time of 2.0s. a)calc the forward driving force acting on the car while it is accelerating. b)At high speeds the resistive frictional force F produced by the air on a body moving with velocity V is given by the...
Thursday, January 19, 2012 at 4:18pm

physics
If the mass of ball A is 5kg and ball B is 75kg, how high should ball B be dropped from so that when B collides with A they stick together and travel to point X?
Thursday, January 19, 2012 at 11:46am

What is the kinetic energy of a 1 kilogeram ball is thrown into the air with a velocity of 30m/sec? How much potential energy does the ball have when it reaches the top of its ascent? How high into the air did the nall travel? Please help me help my child with her homework?
Thursday, January 19, 2012 at 11:36am

math
what fraction of students walk to school 22% 8% 19% 51%
Wednesday, January 18, 2012 at 10:33pm

physics
a girl throws a stone vertically upward with an initial speed of 8 m/s. How high will the stone rise? How long will it take to return to the ground after it is thrown?
Wednesday, January 18, 2012 at 9:33pm

math
Takheela plans to ship a dollhouse in a box that is 30 inches along each edge. The dollhouse measures 24 inches wide, 20 inches long, and 28 inches high. How much foam packing material (in cubic inches) will she need? What is the approximate side length of the cubic box that ...
Wednesday, January 18, 2012 at 8:32pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:15pm

math
A room has 750 cubic feet of space. If the room is as high as it is long and wide, what is the approximate height of the rooms ceiling?
Wednesday, January 18, 2012 at 8:14pm

college algebra
In a radical equation if the negative symbol is in front of the radical should I use -1 to factor out the negative power? And if so do I factor across the = doing BOTH sides? Or just the side the radical is on? Thanks anyone, I've been out of school for 12 years so it is a...
Wednesday, January 18, 2012 at 7:20pm

Statistics
The levels of the Homeland Security Advisory System are listed. Severe High Elevated Guarded Low What data set level of measurement is this? Ordinal, Nominal, Interval, or Ratio?
Wednesday, January 18, 2012 at 7:02pm

physics
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 59.7° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 28.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...
Wednesday, January 18, 2012 at 5:12pm

science
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar may precipitate out. B...
Wednesday, January 18, 2012 at 9:50am

science
Chemical fertilizers stimulate plant growth; but if the concentration is too high, they may damage roots. What precautions concerning chemical fertilizers must a gardener take?
Wednesday, January 18, 2012 at 9:46am

trigonometry
From the top of a hill 700 ft high an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two markerstones.
Wednesday, January 18, 2012 at 8:14am

Physics
A woman on a bridge 75.0m high sees a raft floating at a constant sped on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.00m more to travel before passing under the bridge. The stone hits the water 4.00m in...
Wednesday, January 18, 2012 at 5:47am

English
I forgot to include the following sentences.Thank you very much. 1) This hotel is more convenient since it lies near the school. They (it?) charge 60 Euros for a single rooom and 90 for a double room. 2) Thank you very much for your decision of helping me finding a school ...
Wednesday, January 18, 2012 at 3:09am

Math
You were assigned a locker for your books at school. You forgot the locker number but remember that two of the 12 positive factors of the locker number are 6 and 25. What is you locker number? I calculate the answer to be 325. Is that correct? If not will you please explain? ...
Tuesday, January 17, 2012 at 8:36pm

physics
A rock is dropped from a bridge to the water below. It takes 2.4s to hit the water. Find the final speed of the rock when it hits the water. How high is the bridge above the water
Tuesday, January 17, 2012 at 6:40pm

physics
A cannon ball is shot straight upward with a velocity of 57.50 m/s. How high is the cannon ball above the ground 4.30 seconds after it is fired? (Neglect air resistance.)
Tuesday, January 17, 2012 at 6:34pm

math
how high is a tree that cast a 24-foot shadow at the same time a 9-foot pole casts a shadow which is 3-feet long
Tuesday, January 17, 2012 at 6:28pm

English
Here is the second part of my rephrase. I'm finding it difficult to summarize the last paragraph. 1) In the second passage (excerpt) Robinson instructs Friday in the Christian religion. Friday, on the other hand, comments on the difference between Christianity and his own ...
Tuesday, January 17, 2012 at 6:20pm

math
two fifth of the students walked to school what fraction did not walk?
Tuesday, January 17, 2012 at 3:56pm

English
Thank you very much. Here is the second part. I'm including the part I have to rephrase first. Thank you. 1) "His hair was long and black"; " forehead very high and large, and a great vivacity and sparkling sharpness in his eyes", "skin .... of a ...
Tuesday, January 17, 2012 at 2:36pm

physics
A rock is dropped from bridge to the water below. It take 2.4s to hit water fid the final speed of the rock when it hits the water. How high is the bridge above water
Tuesday, January 17, 2012 at 2:23pm

English
I still have to include the following paragraph to my previous letter. Can you please check it? Thank you. 1) As to your accommodation, you have chosen a hotel which lies more than two miles from the school! 2) I think you should opt for one among the following hotels which ...
Tuesday, January 17, 2012 at 12:22pm

English
I'm pleased you are helping us again! I need you to revise a few sentences on my project since I varied them a little. Thank you very much for helping me again! 1) I wonder if you could help us find a school which is willing to join our partnership with both a French and a...
Tuesday, January 17, 2012 at 8:35am

Math
Would you rather have \$10,000 or a stack of pennies 10 miles high? After you make your choice, figure out the value of the stack of pennies.
Tuesday, January 17, 2012 at 1:49am

math
The soccer team ordered 140 T-shirts to sell at the school fair.Oh those T-shirts,50% white, 20% blue, 15% gren, 10% red, and 5% black.How many black and red?
Monday, January 16, 2012 at 10:32pm

geometry
you have been asked to help build a rectangular play area at the new tracy elementary school. you arrive at the site eager to begin. much to your suprise, the only things available to work with are two pieces of rope. Explain how you can use the rope to find the vertices of ...
Monday, January 16, 2012 at 10:32pm

English
Ms Sue, I urgently need you to check these sentences I need to hand in for tomorrow and a few words. 1) knee-high socks, knee socks Are they both possible? 2) a two-tone jumper/ a two-colour jumper (which is best?) 3) She proposed going to the cinema She proposed that I should...
Monday, January 16, 2012 at 5:39pm

English 2
At the opening of A Separate Peace, the narrator returns to the Devon School two years after graduation. to become a teacher at the school. fifteen years after graduation. to attend his sons graduation. Unlike Finny, Gene tends to be spontaneous. contradictory. envious. ...
Monday, January 16, 2012 at 5:07pm

English
I urgently need you to check these sentences I need to hand in for tomorrow and a few words. 1) knee-high socks, knee socks Are they both possible? 2) a two-tone jumper/ a two-colour jumper (which is best?) 3) She proposed going to the cinema She proposed that I should go to ...
Monday, January 16, 2012 at 3:16pm

physics
A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
Monday, January 16, 2012 at 2:15pm

physics
A physics student throws a softball straight up into the air. The ball was in the air for a total of 6.16 s before it was caught at its original position. (a) What was the initial velocity of the ball? (b) How high did it rise?
Monday, January 16, 2012 at 2:15pm

geometry
you have been asked to help build a rectangular play area at the new tracy elementary school. you arrive at the site eager to begin. much to your suprise, the only things available to work with are two pieces of rope. Explain how you can use the rope to find the vertices of ...
Monday, January 16, 2012 at 12:38pm

physics
a car rolls off a cliff and lands 15m from the base. if the cliff was 22m high, how fast was the car going? show work.
Sunday, January 15, 2012 at 7:46pm

English
Thank you Ms. Sue for your invauable help! Here is the second part of the letter I need to hand in by tomorrow. As writeacher is not there, could you please help me check it? Many thanks in advance. This two-year project will be mainly about a comparative study on biodiversity...
Sunday, January 15, 2012 at 6:08pm

physics
A woman on a bridge 77.4 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.07 m more to travel before passing under the bridge. The stone hits the water 4.18 ...
Sunday, January 15, 2012 at 5:13pm

physics
At 1:00 p.m. a car, traveling at a constant velocity of 98 km/h toward the west, is 19 km to the west of our school. How far from the school will it be at 3:30
Sunday, January 15, 2012 at 1:44pm

Physics
Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 79 km/h, while car B travels at a constant speed of 89 km/h. How far is Car A from school 2.1 h later? Answer in units of km
Sunday, January 15, 2012 at 1:34pm

Can someone proof read my essay
It's supposed to be a subjective essay on the artical "Literacy in a Thousand Words" Thanks. The article, “Literacy in a Thousand Words,” written by Beatriz Pont and Patrick Werquin, addresses the issue of the lack of literacy skills of the U.S. ...
Sunday, January 15, 2012 at 1:31pm

Physics
A ball is thrown at 21m/s at 30degree above the horizontal from the top of a roof 16m high.calculate the time of flight
Sunday, January 15, 2012 at 10:53am

physics
A 0.250 kg block on a vertical spring with a spring constant of 5.00 103 N/m is pushed downward, compressing the spring 0.120 m. When released, the block leaves the spring and travels upward vertically. How high does it rise above the point of release?
Sunday, January 15, 2012 at 7:51am

English
This is the second part of the letter I need to prepare. I really need your help to improve the word choice. Thank you very much in advance. 1) This two-year project will be mainly about a comparative study on biodiversity in water and other waterways in our local areas and ...
Sunday, January 15, 2012 at 7:11am

physics - Energy
A 0.280 kg block on a vertical spring with a spring constant of 4.12 × 10^ 3 N/m is pushed downward, compressing the spring 0.0600 m. When released, the block leaves the spring and travels upward vertically. The acceleration of gravity is 9.81 m/s^ 2. How high does it ...
Saturday, January 14, 2012 at 9:25pm

English
Could you please tell me if the following sentences are possible? Thank you. The principal of my school has asked me to find an Irish school which would be interested in a Comenius partnership with our school, a French high school and a German high school. 2) The project will ...
Saturday, January 14, 2012 at 5:58pm

trig
From the top of a hill 700 ft. high, an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two markerstones.
Saturday, January 14, 2012 at 5:27am

English - Sentences/Clauses
Hello, could you please help me with a few questions I have with English? Directions: Classify this sentence as simple, compound, complex, or compound-complex. 1. She thought she saw a stranger, but he turned out to be her neighbor who was back from vacation early. I know it&#...
Friday, January 13, 2012 at 10:43pm

Athropology
How could I summarize this article into approximately 10 sentences? Case Study: Mass Wedding in Iraq In Baghdad, Nada Omran and Kathi Jabran chose to share one of the most important days in their lives with dozens of strangers. It was the only way the two government workers ...
Friday, January 13, 2012 at 10:26pm

English
Writing sentences and paragraphs. Is the below correct? Paragraphs 1 Dear Mrs. Peggy, I am so glad that I enroll in Penn Foster School for my new career. I wanted to better my education by taking medical billing and coding to help me get a better paying job. You were asking me...
Friday, January 13, 2012 at 5:39pm

The SAT,
I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:
Thursday, January 12, 2012 at 7:52pm

SAT
I'm a 7th grader that took the SAT. These were my scores: Critical Reading: 500 Math: 490 Writing: 590 Essay: 10 Total=1580 Good scores? What do you think my scores will be when I take the SAT again as junior in high school? Please and thanks! c:
Thursday, January 12, 2012 at 7:17pm

English
I forgot to include this part. Thank you. 1) The principal of my school has asked me to find an Irish school which would be interested in a Comenius partnership with our school, a French high school and a German high school. 2) The project will be mainly about a comparative ...
Thursday, January 12, 2012 at 6:23pm

speech
I wrote an itroductory speech that I am going to be giving in speech class but I can't think of a good conclusion. The 3 major points of the speech is that I am a hard-working student. Adventurous family member, and laidback friend. I talk some at the begining about how ...
Thursday, January 12, 2012 at 5:47pm

English 7 - Journal Entry Assignment Check
Is my journal entry for english is good? It's due tommrrow by the way. My name is (can't tell you). I¡¦m currently in the 7th grade and go to one of the best middle schools (name of my school). My favorite animals are: cats, puppies, kitties, rabbits, ...
Thursday, January 12, 2012 at 5:25pm

English
I urgently need to send a letter to a University teacher, expert in the study I don't even know how to start this letter. Can you help me write an introductory sentence to the teacher? 1) Our school is currently working on the planning of a Comenius Project to be carried ...
Thursday, January 12, 2012 at 5:00pm

English 7 - Check in My Notebook Day (plz read)
Ok tomorrow at my school we are having Check in My Notebook Day. It's a day when all of your teachers check your binder and/or notebook to see if you have all of your handouts they have you, notes you take in class, you date each classwork papers in order, and papers dont ...
Wednesday, January 11, 2012 at 9:09pm

socials
what is the use of human development index? ranks its member countries according to three measures: adult literacy, life expectancy, and the per capita GDP. i not really understand that definition and i not know how effective it is in high lighting the differnces between rich ...
Wednesday, January 11, 2012 at 8:10pm

Montgomery
There are 315 students in sixth grade and about 8/15 take the bus to school each day. Estimate the number of students that ride the bus each day.
Wednesday, January 11, 2012 at 8:06pm

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