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July 23, 2014

Homework Help: High School

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math
Rohnda is in charge of buying food for the school picnic, she found that hot dogs are in packages of 24, buns in packages of 18, ketchup in boxes of 12, and mustard in boxes of 15. what is the least number of students that can be feed if each student receives 1 of each item ...
Monday, May 13, 2013 at 9:00pm

HARD CHEM QUESTION- any help appreciated
Phosgene (COCl2) is a poisonous gas that dissociates at high temperature into two other poisonous gases, carbon monoxide and chlorine with equilibrium constant Kp = 0.0041 at 600 K. Find the equilibrium composition of the system after 0.124 atm of COCl2 is allowed to reach ...
Monday, May 13, 2013 at 8:48pm

Math
Why did Airhead eat the dollar he brought to school
Monday, May 13, 2013 at 7:24pm

Writing
Can you proofread my essay? The assignment was to write a problem-solution essay on a big social issue in our world. “Never doubt that a small group of thoughtful committed citizens can change the world; indeed, it's the only thing that ever has.” A quote once ...
Monday, May 13, 2013 at 3:41pm

Math - Probability
in a primary school 70% of the boys and 55% of the girls can ride a bicycle. if a boy or a girl are chosen at random, what is the probability that both of them can ride a bicycle?
Monday, May 13, 2013 at 1:08pm

math
in a primary school 70% of the boys and 55% of the girls can ride a bicycle. if a boy or a girl are chosen at random, what is the probability that both of them can ride a bicycle?
Monday, May 13, 2013 at 12:04pm

Calculus
The acceleration due to gravity near the surface of Mars is 3.72ms^-2 . A rock is thrown straight up from the surface with an initial velocity of 23ms^-2 . How high does it go?
Monday, May 13, 2013 at 6:57am

math
your school librarian has asked your class for some help on the purchase of some new bookcases with two shelves each. She has 300 new books she needs to shelve. One half of the books are half an inch thick. Ones third of them are one fourth of an inch thick, and the rest are ...
Monday, May 13, 2013 at 12:29am

Philosophy
Since Jessica’s participation in local politics increased significantly after she joined her school’s political science club, it is clear that her involvement in that club led her to take an interest in politics. The argument above is flawed because
Sunday, May 12, 2013 at 8:04pm

English - Poetry
What does Audre Lorde's poem School Note mean? Most notably, what does the last stanza, "My children play with skulls/ and remember / for the embattled / there is no place / that cannot be / home / nor is."?
Friday, May 10, 2013 at 3:33pm

World Geography
1.Which of the following demographic characteristics distinguishes Europe's population from that of Asia? A.) More Europeans inhabit rural areas. B.) The European population is much younger. C.) Europeans are more concentration in urban areas. D.) Europe has a larger ...
Friday, May 10, 2013 at 11:33am

la porte high school
An object travels horizontally at 15.00 meters per second off a cliff that is 12.00 meters tall. How far from the base of the cliff does the object land?
Friday, May 10, 2013 at 10:36am

Math
Ashely's mother will make 4 pineapple fruitcakes for a bake sale to raise money for the school band.If 25 ounces of crushed pineapple are divided equally into 4 parts, how much pineapple will there be for each fruitcake?
Thursday, May 9, 2013 at 8:20pm

Math
5. The following random sample was selected : 4, 6, 3, 5, 9, 3. Find the 95% confidence interval for the mean of the population. 6. In a sample of 35 high school seniors, 14 of them are attending college in the fall. Find the 95% confidence interval for the true proportion of ...
Thursday, May 9, 2013 at 1:17pm

Physics
A ball is thrown vertically upward with a speed of 25.0m/s.take acceleration due to gravity 10m/s-2. A how high does it rise B how long does it take to reach its highest point?
Thursday, May 9, 2013 at 12:27pm

math trig
If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the rider?: 90 135 180 225 270 315 405 450 495 and 540?
Thursday, May 9, 2013 at 10:40am

math
according to the school survey, 12% of the students at rockwood junion high school seak spanish. There are 36 students at the school who speak spanish. How many students were surveyed?
Thursday, May 9, 2013 at 6:20am

life orientation
The practice of high risk sexual behaviour amongst teenagers.describe The lifestyle disease/behaviour.mention 5(or more)factors that contributes the disease/behaviour
Thursday, May 9, 2013 at 4:42am

MATH HELP?!?!?!
1. Maria has the following scores in her mathematics class: 86 75 97 58 94 and 58 a: Find the mean median and mode b: Should Maria's Mathematics class teacher use mean median or mode of the exam to convince Maria that she needs to study more regularly? 2. A researcher ...
Wednesday, May 8, 2013 at 11:17pm

calculus
A kite with a string 80 feet long makes an angle of elevation of 40 degrees with the ground, assuming the string is straight how high is the kite? round your answer to the nearest foot
Wednesday, May 8, 2013 at 8:25pm

Math
Spent 6 hrs at school, spent 2/3 of an hour at lunch, 2/3 of an hour at an assembly, rest of the time in class, how much time was spent in class
Wednesday, May 8, 2013 at 8:19pm

Math
Picture is 12 inches high, frame is 3/4 of an inch wide at all points, how many inches high are the picture and the frame together?
Wednesday, May 8, 2013 at 7:45pm

science
there is technology day celebration in our school. I have to give a speech on a new technology that has developed recently and very rarely known. Please give me some ideas.
Wednesday, May 8, 2013 at 2:46pm

stats
It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...
Wednesday, May 8, 2013 at 1:20pm

chemistry
if the endpoint in the tritration of the KHC8H4O4 solution with the NaOH solution is mistakenly surpressed(too pink),will the molar concentration of the NaOH solution be reported too high or too low?explain
Wednesday, May 8, 2013 at 4:27am

child care
A study in 2005 showed that 70% of parents felt that their children were too ______ school, family finances, and divorce.
Tuesday, May 7, 2013 at 6:49pm

Technology Skills class???? Grade 9???
So I got accept to this Catholic private high school. So we are required to take "Technology Skills". What am I going to learn in this class??????
Tuesday, May 7, 2013 at 6:23pm

math
A round tank hold 550 gallons filled to the brim. Its capacity is 10 gallons for every inch in height. How high is the tank in inches, in feet. How high would you fill it get to the 170 gallon level?
Tuesday, May 7, 2013 at 6:08pm

chemistry
If the endpoint in the titration of KHC8H4O4 solution with the NaOH solution is mistakenly surpassed, will the molar concentration of NaOH solution be reported too high or too low?
Tuesday, May 7, 2013 at 3:27pm

math
kyle gave 1/4 cookies to her brother, gave 23 cookies to her friend. He gave 2/10 of remaining cookies to his mother. Then took 5/8 to school to share. how many cookies did Kyle have left
Tuesday, May 7, 2013 at 12:19pm

Math
How high is a pole if it casts a shadow 6 meters long when the sun is 30 degrees above the horizon?
Tuesday, May 7, 2013 at 3:30am

statistics
The probablility that a person drinks at least five cups of coffee per day is .24, and the probability that a person has high blood pressure is .08. Assuming that these two events are independent, find the probability that a person selected at random drinks less than five cups...
Monday, May 6, 2013 at 8:00pm

Math
The Distance from the top of a cliff to the water below ranges from 13m(low tide) to 8m(high tide). Low tide occurs at 12:00 noon and it takes six hours between low tide and high tide. a)Develop an equation representing the distance in terms of time b) It is only safe to dive ...
Monday, May 6, 2013 at 7:30pm

Personal Finance
PLEASE HELP ME ASAP!!!!!!!!!!! 31. In order to effectively manage money, you need: a. A computer b. An online checking account c. A budget d. A high paying job 35. Which statement is not true about extended warranties? a. Most warranties are about 50-60% commission. b. Only 12...
Monday, May 6, 2013 at 7:01pm

WorldHistory
significant consequences of the Agricultural Revolution. EFFECT ON WOMEN LIVES: The British Agricultural Revolution was the cause of drastic changes in the lives of British women. Before the Agricultural Revolution, women worked alongside their husbands in the fields and were ...
Monday, May 6, 2013 at 4:11pm

Math
Mr.Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of the remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?
Monday, May 6, 2013 at 1:48pm

Physics
A roller coaster works by gravitational energy. The coaster car is pulled up to a high point and then released, rolling downwards on the track through all manners of curves and loops. I have a short roller coaster car that I pull up to the top of a hill of height H. The ...
Monday, May 6, 2013 at 12:53pm

Math
Mr. Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of his remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?
Monday, May 6, 2013 at 9:03am

mill creek high
what are some examples of archetype in the book
Monday, May 6, 2013 at 5:48am

physics
A spring loaded gun is used to shoot a 1.3 kg ball from a rooftop. When the gun is fired, a compressed spring will be released shooting the ball into the air. The ball will travel in a parabolic path eventually striking the ground below. The gun is at an angle of 39° above...
Sunday, May 5, 2013 at 10:22pm

Statistics
A researcher wishes to estimate the proportion of adults who have high-spped internet access. What size sample should be obtained if she wishes the estimate to be within .02 with 90% if A) She uses a previous estimate of 0.48? B) She does not use any prior estimates? Please ...
Sunday, May 5, 2013 at 5:22pm

Finance
On Abby Ellen's graduation from law school, Abby's uncle, Bull Brady, promised her a gift of $24,000 or $2,400 every quarter for the next 4 years after graduating from law school. If the money could be invested at 6% compounded quarterly, which offer should Abby choose...
Sunday, May 5, 2013 at 3:30pm

Mandlenkosi high
Provide recommodation on how to address the topic that you identified in previous quesion?
Sunday, May 5, 2013 at 2:31pm

physics
what is velocity of falling salt ball if it had 1 kg mass and placed 5 m high before,now falls after losing 10gm of mass.
Sunday, May 5, 2013 at 11:15am

statistics
The attendance at the school play on Friday was 95% of the attendance on Saturday night. If 203 people attended on Saturday night, estimate how many attended on Friday night. a minute agoEdit Question
Sunday, May 5, 2013 at 9:58am

jules high school
10 ways in which the environmental health hazards can impact negatively on ones health
Sunday, May 5, 2013 at 9:34am

LOGICAL PUZZLE
On the first three downs, the local high school football team had the following gains and losses: 6 yard gain, 10 yard loss, and a 12 yard gain. What is the total gain or loss, and did they manage to get another set of downs?
Saturday, May 4, 2013 at 8:19pm

Chemistry
Assuming equal concentrations, rank these aqueous solutions by their freezing point: low to high NH4Cl, Sn(ClO3)4, Na2SO4, and AlBr3.
Saturday, May 4, 2013 at 6:52pm

st pauls high
What are welfare payments or consumers subsidies ?
Saturday, May 4, 2013 at 7:23am

Statistics
The Education Testing Service conducted a study to investigate differences between the scores of males and females on the SAT. The study identified a random sample of 562 females and 852 males that had achieved the same high score on the math portion of the test. That is, both...
Friday, May 3, 2013 at 10:40pm

Statistics
For questions 1-5, write the null and alternative hypothesis. 1. Does the water temperature have an effect on the number of people in the pool? 2. Does the weather have an effect on the number of people at the beach? 3. A fitness center is running a discounted membership fee. ...
Friday, May 3, 2013 at 11:47am

Statistics
1. A study of 40 people found that they could do on the average15 pull ups with a standard deviation of .6. Find the 99% confidence interval for the mean of the population. 2. A study of 50 pizza delivery workers found that they could make 6 deliveries per hour with a standard...
Friday, May 3, 2013 at 11:45am

Algebra
The stem-and-leaf plot represents the average monthly high temperatures in Tampa, Florida. What is the first quartile (Q1) of the temperatures? Round to the nearest tenth. Stem leaf 6 9 7 1267 8 14799 9 00
Thursday, May 2, 2013 at 9:04pm

physics
A projectile was fired out of a lead ejector at an angle of 45 degrees up from horizontal. The projectile velocity was 1000.00 meters per second. How high did it go? and how far did the projectile go?
Thursday, May 2, 2013 at 7:27pm

Science help.
You make a terrarium for your school’s science fair by putting some soil into a glass container and adding small plants. You moisten the soil with water and add a slug. You cover the terrarium with clear plastic that has vent holes. Then, you place the terrarium in a ...
Thursday, May 2, 2013 at 3:09pm

dlabesuthe high school
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community provide relavant sources to support your claims
Thursday, May 2, 2013 at 1:59pm

rivera middle school
pablo made bread and muffins. he used 3/4 cups of flower for bread and 5/8 cups of flower for muffins. how much flower did he use in all.
Thursday, May 2, 2013 at 12:44pm

physics
An object is 38.0 cm from a concave mirror of 12 cm focal length. The object is 1.8 cm tall. Use the mirror equation to find the image position. How high is the image?
Thursday, May 2, 2013 at 12:28pm

Life orientation
Explain 5 factors that contribute to the practice of high-risk sexual behaviour amongst the adolescence
Thursday, May 2, 2013 at 12:10pm

Education
A good reason to include the study of religions in school is that A) schools are responsible for moral training. B) all children have religious needs. C) religious references and allusions permeate our lives. D) churches expect schools to do it. I believe the answer it C, is ...
Thursday, May 2, 2013 at 11:18am

biology
Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACG​GTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||​||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGC​CACCTAGGTTCCG-5&#...
Thursday, May 2, 2013 at 2:42am

economics
19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a sale of stock to the ...
Thursday, May 2, 2013 at 1:20am

economics
19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a sale of stock to the ...
Thursday, May 2, 2013 at 12:58am

English II
On a proud round cloud in a white high night. A. alliteration B. consonance C. assonance D. limerick
Wednesday, May 1, 2013 at 8:02pm

math
Jim draws a sketch of his bedroom wall to scale. The actual wall is 10 feet long and 8 feet high. The drawing is one- sixth the length and width of the actual wall. What are the dimensions of the drawing in inches?
Wednesday, May 1, 2013 at 7:12pm

physics
a 1-kilogram block slides down a frictionless inclined plane with an angle of 35 degrees and 1.0 meters high. what is its velocity at the bottom of the plane?
Wednesday, May 1, 2013 at 5:43pm

English
Every sentence in the paragraph below violates some principle of good persuasive writing. Revise the paragraph, following the directions at the end of each sentence; use your imagination where necessary. Type the revised paragraph in the text box provided below. CAUTION: ...
Wednesday, May 1, 2013 at 3:44pm

westbrook high
18.75 tons= how many lbs?
Wednesday, May 1, 2013 at 11:52am

islah publek school
a rectangular garden has a perimeter of 140m.its width is three quarter of its length. what is the length and width?
Wednesday, May 1, 2013 at 6:34am

islah publek school
a rectangular garden has a perimeter of 140m.its width is three quarter of its length. what is the length and width?
Wednesday, May 1, 2013 at 6:30am

4th grade math
So far John has run 1/4 of the way to school and walked 3/8 of the way. what fraction of the distance to school does John have left.
Tuesday, April 30, 2013 at 8:59pm

Help please
Samantha Greene is on the negotiating team for the next teacher's contract. The school board is proposing a 6% increase for each of the next four years. The teachers' counterproposal is 12% this year and 4% for each of the next three years. what is the difference in ...
Tuesday, April 30, 2013 at 6:56pm

Biology
1. Bone is formed from the deposition of __________ into connective tissue A. Calcium and Phosphate B.Sodium and potassium C. potassium and calcium D. Sodium and Phosphate E Actin and myosin 2. The major disadvantage of exoskeletons is A. Animal outgrows it B. it is not ...
Tuesday, April 30, 2013 at 5:24pm

Math
There are 5 staircases going from thr first to the second floor in school. Find the total number of ways that Andrea can go from the first floor to the second and then return to the first. Thank you
Tuesday, April 30, 2013 at 4:39pm

Math - Intro to Statistics (High School)
The average square footage in an apartment in a town is 1,800 square feet with a standard deviation of 120 square feet. The square footage is normally distributed. You randomly select 10 apartments in the town. What is the probability that the mean will be more than 1900 ...
Tuesday, April 30, 2013 at 12:10pm

MATHS
Mrs.Koh purchased new books for the school library, of which 6 were Mathematics books, 7 were Science books, 10 were Music books, 3 were Art books, and 4 were social studies books. All of these books were different. She picked a book from each subject to display in a row on a ...
Tuesday, April 30, 2013 at 6:26am

Math
The school's total attendance is 449, there are 81 present in math class, what percent of the total attendance is the attendance in the math class (to the nearest tenth)?
Monday, April 29, 2013 at 2:28pm

English
7. Identify the sentence that contains a word or phrase that should not be in italics. *Is Mel Gibson in the movie version of Hamlet or Macbeth? Lenny has trouble pronouncing the word bonjour. Glenda subscribes to Smithsonian and Time magazines. Thornton Wilder's play Our...
Monday, April 29, 2013 at 11:02am

Chemistry-Pressure
The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the environment. Therefore, two containers of waste solution are separated by a semipermeable membrane and pressure is applied to one container, forcing ...
Sunday, April 28, 2013 at 5:47pm

dimani agriculrural high school
describe leukemia and explain factors that contribute to the disease
Sunday, April 28, 2013 at 4:01pm

School (Plz read, really important)
Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and Daughters of the American Revolution??? Here are my grades from last year and this year so far and everything else I accomplish: 7th Grade - 93....
Sunday, April 28, 2013 at 12:40pm

trig
at one point in the day, a tower that is 150 feet high casts a shadow that is 210 feet long. Find, to the nearest tenth of a degree, the angle of elevation of the sun at that point
Sunday, April 28, 2013 at 12:10pm

thohoyandou secondury school
provide 8 ways in which you critically discuss how life style/behaviour of cancer disease impact on the teenager
Sunday, April 28, 2013 at 11:28am

Herndon High
cos15°cos30°- sin15°sin30° =
Saturday, April 27, 2013 at 8:37pm

South Tahoe Middle School
A loan of $20,000 at 8% with payments & interest of $1,800. What is the amount owed after 11 payments have been made?
Friday, April 26, 2013 at 10:23pm

english
Questions about Avi(the author) Why was school a constant struggle for him? Avi kept writing because of the encouragement of his family and the help of whom? After college, what job did Avi take? where? When did Avi become interested in children's literature?
Friday, April 26, 2013 at 8:25pm

computer science
What does it mean when there is a high prior probability in terms of Baynesian statistics?
Friday, April 26, 2013 at 4:55pm

AP Statistics
A school psychologist reports that the mean number of hours the students at this school sleep each night is 8 hours. The students believe the mean is not 8 hours. To find an estimate of the true mean, they select a random sample of 15 students from their school and ask how ...
Friday, April 26, 2013 at 3:25pm

math
An observer is located on the ground 6 kilometers from the point where a space shuttle is launched (vertically). When the shuttle is 8 kilometers high, it is travelling at 500 kilometers per hour. Determine, for that moment, the rate at which the distance between the observer ...
Friday, April 26, 2013 at 1:04am

English
13.The trouble with being a(n) (underscore pessimist) is that you are so taken up with what is going wrong that you are unaware of what is going right pessimist 14.It does not (prosecute detract) in the least from his reputation as a great player to say that all the team ...
Thursday, April 25, 2013 at 10:30pm

math-high school
If the probability of an event happening is 2/5, then the probability of the event not happening is 3/5? This is False. The answer is 1/3. Explain why the answer is 1/3
Thursday, April 25, 2013 at 8:57pm

Statistics
A school is running a raffle. There are 100 tickets, of which 3 are winners. You can assume that tickets are sold by drawing at random without replacement from the available tickets. Teacher X buys 10 raffle tickets, and so does Teacher Y. Find the chance that one of those two...
Thursday, April 25, 2013 at 5:05pm

Physics
Why do the passengers in high-altitude jet planes feel the sensation of weight while passengers in the International Space Station do not? Please help; need an original answer no Google search. Thank you in advance...
Thursday, April 25, 2013 at 3:58pm

English-Room 101 speech
I have to come up with a speech about what I feel should go into room 101. Room 101 is a british tv programme, which came from a book. It's basically when people give reasons of what they don't like. The presenter decides, what goes into room 101. I am doing a similar ...
Thursday, April 25, 2013 at 2:37pm

Right angle trigonometry
A sailor sights both the bottom and top of a lighthouse that is 20 and m high and which stands on the edge of a cliff. The two angles of elevation are 3 and 42. To the nearest meter, how far is the boat from the cliff?
Thursday, April 25, 2013 at 9:33am

physics
A heat engine absorbs 848 J of energy per cycle from a high-temperature source. The engine does 417 J of work during each cycle, expelling 431 J as heat. What is the engine’s efficiency?
Thursday, April 25, 2013 at 1:18am

algebra1
the school bought a new copy machine which makes 20 copies per minute.the old machine makes 12 copies per minute.francine needs 1000 copies,so she uses both machines.how long will it take to have the copies
Thursday, April 25, 2013 at 12:08am

Algebra
One more... Faye wants to know how tall her school building is. On a sunny day, she measures the shadow of the building to be 6 feet. At the same time, she measures the shadow cast by a 5 foot statue to be 2 feet. How tall is her school building? Thank you so much for your help.
Wednesday, April 24, 2013 at 9:54pm

english
these are questions based on the book to kill a mockingbird 1. how does atticus explain to scout a way of getting along in school and with other people, in chapter 3 2. why does atticus think it is just as well that the ewells do not attend school, chapter 3 3. what does his ...
Wednesday, April 24, 2013 at 7:33pm

Physical science
A ball is thrown up at 8m.s from the roof which is 60m high.it strikes the balcony below after 4s.the ball then bounces off the balcony and strikes the ground.ignore the effects of friction.calculate magnitude of the velocity at which the ball strike the balcony?
Wednesday, April 24, 2013 at 4:08pm

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