Homework Help: High School

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math
The ratio of the number of male students to the number of female students in a school is 3:8. How many students are there if there are 48 females?
Friday, November 16, 2012 at 3:02pm

physics
A cyclist approaches the bottom of a gradual hill at a speed of 12.4 m/s. The hill is 6.7 m high and the cyclist estimates she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which the cyclist coasts over ...
Friday, November 16, 2012 at 10:50am

7th grade
The story that I read for school (At Her Father's And Her Mother's Place) takes place in 1923 in Russia. What was life like during that time in terms of the politics and economics in Russia? Can you give me links to find these answers?
Thursday, November 15, 2012 at 9:46pm

physics
A projectile is launched off of a 18.6 m high cliff with a velocity of 12.8 m/s. If the projectile is launched at an angle of 20° above the horizontal, how far did it travel horizontal before it hit the ground below?
Thursday, November 15, 2012 at 8:32pm

Physics
The maximum pressure most organisms can survive is about 1000 times atmospheric pressure. Only small, simple organisms such as tadpoles and bacteria can survive such high pressures. What then is the maximum depth at which these organisms can live under the sea (assuming that ...
Thursday, November 15, 2012 at 8:04pm

math
A bulletin board is 56 in wide and 36 in high. How many 3 1/2 in columns can be created?
Thursday, November 15, 2012 at 6:02pm

Math
Im trying to help my daughter with some math homework and Im stuck can you help me please this is the problem Jeremy has been home sick with the flu for the last 7 days. While absent from school, he got 31 get well cards from friends. there were 5 more cards from girls than ...
Thursday, November 15, 2012 at 5:54pm

Last science question
2. A tall volcano, sometimes as high as 10,000 feet, composed of lava, ash, and other volcanic material and that can have explosive eruptions is best known as a__________. cindercone volcano composite volcano shield volcano all of the above
Thursday, November 15, 2012 at 5:24pm

physics
a ball rolls off a 1.7m high desk and lands 1.35m away from the desk. how fast was it rolling?
Thursday, November 15, 2012 at 3:30pm

US Gov
Please help, I'm really stuck on these 1. Which court tries cases involving US citizens who have been accused of breaking federal laws? 2. What are the permanent bodies in Congress that review new bills related to issues of recurring importance called? 3. What is proposed ...
Thursday, November 15, 2012 at 11:16am

physics
An autographed baseball rolls oﬀ of a 0.67 m high desk and strikes the ﬂoor 0.37 m away from the desk. How fast was it rolling on the desk before it fell oﬀ? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s
Thursday, November 15, 2012 at 12:32am

social studies
base on the results of the studies,what should an elementary school teacher do to ensure that a child with an unusual name develops normal intellectual ability? 1] make a special effort to ignore the child. 2]try to give the child a more acceptable nickname. 3]treat the child ...
Thursday, November 15, 2012 at 12:24am

Physics - Bernouli
Water flows with constant speed through a garden hose that goes up a step 20.0 cm high. 1. If the water pressure is 143 kPa at the bottom of the step, what is its pressure at the top of the step? Now suppose the cross sectional area of the hose at the top of the step is ...
Wednesday, November 14, 2012 at 9:38pm

MATH
A SCHOOL IS DIVIDED INTO 4 HOUSES P,Q,R,S. ON SPORTS DAY,STUDENTS LINE UP SO THAT A STUDENT FROM P IS FIRST IN LINE,THEN A STUDENT FROM Q THEN A STUDENT FROM R THEN A STUDENT FROM S THEN A STUDENT FROM P AND SO ON WITH SAME ORDER REPEATING .FROM WHAT HOUSE WILL THE 66TH ...
Wednesday, November 14, 2012 at 9:35pm

Algebra/Math
A total of 504 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold . How many adult tickets were sold?
Wednesday, November 14, 2012 at 9:28pm

Finance
Arena Distributors is a new company and currently pays no dividends. The company has just reported earnings of $1.5 per share and its earnings are expected to grow at a 15 percent annual rate over the next four years. Following this four-year high growth period earnings will ...
Wednesday, November 14, 2012 at 7:43pm

math
one band has 30 speakers. they stack them at least 3 high, but no taller than 8 high. what are all the different arrays they can make?
Wednesday, November 14, 2012 at 6:09pm

physics
The radius of curvature of a convex mirror is 1.60 x 102 cm. An object that is 11.0 cm high is placed 40.0 cm in front of this mirror. Determine (a) the location and (b) the height of the image.
Wednesday, November 14, 2012 at 4:55pm

physics
a steel ball rolls with a constant velocity across a tabletop 0.91 m high. it rolls off the table and hits the ground 0.77 m from the edge of the table. how fast was the ball rolling?
Wednesday, November 14, 2012 at 1:38pm

physics
a college student takes her book to class by placing them in a box and pulling it around school. She pulls on the box with a force of 90N at a angle of 30 relative to the horizontal. the box of books has a mass of 20 kg and the coefficiant of kinetic friction between the ...
Wednesday, November 14, 2012 at 1:18am

Physics
A robot probe drops a camera off the rim of a 105.0 m high cliff on Mars, where the free-fall acceleration is -3.70 m/s2. Find the velocity in m/s with which the camera hits the ground.
Tuesday, November 13, 2012 at 10:16pm

Physics
A cannon ball is fired at 50 m/s at a 37 degree angle above the horizontal. Calculate the time the cannon ball in the air, calculate how high it rises and calculate how far from the cannon the ball lands? Answers: 6.14 s, 46.2 m, 245.2 m
Tuesday, November 13, 2012 at 10:00pm

Physics
A girl riding a bicycle at 2.16 m/s throws a tennis ball horizontally forward at a speed of 1.38 m/s relative to herself. The tennis ball lands 1.84 m horizontally from the point at which the girl released the ball. How high above the ground was the ball released?
Tuesday, November 13, 2012 at 9:18pm

Physics
A ball rolls off the edge of a table that is 1.03 m high, and it strikes the floor at a point 1.40 m from the base of the the table. What is the initial speed in m/s of the ball?
Tuesday, November 13, 2012 at 9:17pm

physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
Tuesday, November 13, 2012 at 6:43pm

physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?
Tuesday, November 13, 2012 at 6:41pm

English
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond The high point of the social season was the formal ____ of young ladies at the annual Society Ball debut? Before ...
Tuesday, November 13, 2012 at 6:08pm

Physics
A collision cart runs off the edge of a lab table that is 0.95 meters high. How fast did the collision cart leave the table and hit the floor when the cart lands 0.40 meters from the base of the table? Answers 0.91 m/s, 4.41 m/s
Tuesday, November 13, 2012 at 5:41pm

math
a school is divided into 4 houses,P,Q,R and S.On sports day,the students line up so that a student from P is first in line,then a student from Q then a student from R then a student from S,then a student from P and so on with same order repeating.From what house will the 66th ...
Tuesday, November 13, 2012 at 4:50pm

Physics
Please help The year is 2115. There is a high jump competition on planet Mars. An athlete of mass 72 kg who has been clearing a height of 2.44 m on Earth just the week before is competing here. What is the height this athlete can expect to clear in this competition? Relevant ...
Tuesday, November 13, 2012 at 3:14pm

American history
Can someone help me go over my answers 1. If you were a reform-minded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the (A. WCTU.) B. Mugwumps. C. Comstock Law. D. evangelical efforts of Dwight L. ...
Tuesday, November 13, 2012 at 2:47pm

Math, Physics
The pressure in a fire hose is 20 atm. How high can a firefighter spray water from this hose? One atm is about 1×105 Pa. The density of water is 1.0 g/ml, or 103 kg/m3. The acceleration of gravity, g, is 9.8 m/s2.
Tuesday, November 13, 2012 at 2:29pm

physics
The pressure in a fire hose is 20 atm. How high can a firefighter spray water from this hose? One atm is about 1×105 Pa. The density of water is 1.0 g/ml, or 103 kg/m3. The acceleration of gravity, g, is 9.8 m/s2.
Tuesday, November 13, 2012 at 2:12pm

finance
How does an investor earn more than the return generated by the tangency portfolio and still stay on the security market line? a. Borrow at the risk free rate and invest in the tangency portfolio. b. Add high risk/return assets to the portfolio. c. Adjust the weight of stock ...
Monday, November 12, 2012 at 8:19pm

Health 8R
what's high doses, medium doses, and low doses???? this is alcohol related
Monday, November 12, 2012 at 6:09pm

English 8R - Homework Check
Last week in class we watch this movie Stand and Deliver (I hope most of you are familiar with this movie), it's base on a true story. For homework I have pick one of the following questions she gave us and write a well developed response that fully develops my ideas and ...
Monday, November 12, 2012 at 5:48pm

Algebra 2
Suppose you got $5000 from family at your high school graduation. You decide to invest it for 30 years. If you invest it at 8% in a simple interest bond, how much is it worth after 30 years?
Monday, November 12, 2012 at 3:00pm

Statistics
Suppose a study finds that the correlation coefficient relating family income and SAT scores is r = +0.98. Which of the following are proper conclusions? I. Poverty causes low SAT scores II. Wealth causes high SAT scores III. There is a very strong association between family ...
Monday, November 12, 2012 at 9:26am

Physics Hw Help Please
The Burj Khalifa in Dubai is the world\'s tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories. A tourist is obviously using the elevator to reach their hotel room and after a long ride finally arrives at the correct floor where the ...
Sunday, November 11, 2012 at 9:27pm

statistics
For which of the following situations would a repeated-measures research design be appropriate? a. comparing mathematical skills for girls versus boys at age 10 b. comparing pain tolerance with and without acupuncture needles c. comparing self-esteem for students who ...
Sunday, November 11, 2012 at 9:13pm

Chemistry
A carbon atom is bombarded by high energy photons with a wavelength of 40 nm. Find how many electrons are ejected and the velocity of the first electron.
Sunday, November 11, 2012 at 6:34pm

physics
A robot probe drops a camera off the rim of a 455 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2.Find the velocity with which it hits the ground. Answer in units of m/s
Sunday, November 11, 2012 at 3:34pm

Stattistics
In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math score was 70 and the same individual’s English score...
Sunday, November 11, 2012 at 12:04am

physical science
A birthday candle 4 cm high is 10 cm from a converging lens whose focal length is 15 cm. Use a ray diagram on a suitable scale to find the location of the image, its height, and whether it is erect or inverted, real or virtual.
Saturday, November 10, 2012 at 5:14pm

Physics
A hydraulic lift is used to jack a 780 kg car 15 cm off the floor. The diameter of the output piston is 15 cm, and the input force is 160 N. a)What is the area of the input piston (in m^2)? b)What is the work done in lifting the car 15 cm? c)If the input piston moves 13 cm in ...
Saturday, November 10, 2012 at 12:47pm

math
a school is 800 m from the base of a cellphone tower.if the angle of elevation of the tower is 45 degree 45 inches from the school,how high is the tower?
Saturday, November 10, 2012 at 3:08am

8th grade social studies
Hi, I am doing a paper for school and I need to know what are some Negative and Positive Impacts of the Telegraph? I know some positives but I really need help with the negative effect of the telegraph. Can you please give me 2 or 3 positive and negative impacts/effects? Thanks!
Friday, November 9, 2012 at 5:13pm

english
Hey I have the write the sentences in passiv. But I do not really be good in passiv... can anybody check and may axplain what passiv is? The extent of the flood-damage has surprised everyone. -> Everyone was surprised by the extent of the flood - damage. 2. Someone used a ...
Friday, November 9, 2012 at 2:16pm

Physics
**I JUST NEED THE STEPS ON HOW TO SOLVE THE PROBLEMS** An object experiences an acceleration of 6.8m/s^2. As a result, it accelerates from rest to 24m/s. How much distance did it travel during that acceleration? A car which is traveling at a velocity of 15m/s undergoes an ...
Thursday, November 8, 2012 at 7:15pm

Math
The girls' high school basketball team played 12 games. They won 6 more games than they lost. Find the number of games the basketball team won.
Thursday, November 8, 2012 at 6:53pm

Chemistry
The high acid rain which falls in the Northeast frees aluminum ions from the soils. The tree absorbs the aluminium ion. The sap is basic so the aluminium ion becomes aluminum hydroxide. Aluminium hydroxide is a large bulky molecule that plugs the water/nutrient transport ...
Thursday, November 8, 2012 at 10:29am

the excetional child
could you check my answer please. a ssecere loss of hearing in a young child: a. is less detrimental to development than loss of vision. b. is more detramental than loss of vision. c. requires education in seperate facility for all school years. d. should not require ...
Thursday, November 8, 2012 at 8:51am

pschology
You have received a notice from the principal of the school that a program of tangible rewards (buttons, stickers, starts, bags of popcorn, cookies) is being considered. The notice compares tangible rewards of the children with the pay adults get for work. From what we know ...
Thursday, November 8, 2012 at 7:07am

langrange
Should elementary school children receive material rewards for performance and cooperation? Imagine that you are a parent and that you have a child in the first grade. You have received a notice from the principal of the school that a program of tangible rewards (buttons, ...
Thursday, November 8, 2012 at 6:52am

Physics
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 595 rev/s. A point on one of the blades traces out a circle with a radius of 0.02 m as the blade rotates. (a) What is the magnitude of the ...
Thursday, November 8, 2012 at 4:18am

Math
Central Middle School sold 50 tickets for one night of the school play. Student tickets sold for $2 each and adult tickets sold for $3 each. They took in $135. How many of each type of ticket did they sell?
Wednesday, November 7, 2012 at 11:41pm

science
what does low pressure over land and high pressure over water form? A)a sea breeze C)global wind B)a land breeze D)a front My answer is A), am i right? if not please tell me why and your answer.
Wednesday, November 7, 2012 at 6:34pm

Physics
If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do not reflect negative ...
Wednesday, November 7, 2012 at 5:30pm

math
D angle of elevation of a building frm a measuring instruments placed on d ground is 30 degree if d building is 40m high, how far is d instrument frm d foot of d building.
Wednesday, November 7, 2012 at 4:32pm

physics URGENT! HELP
If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do not reflect negative ...
Wednesday, November 7, 2012 at 4:26pm

physics
If an object is thrown in an upward direction from the top of a building 1.60 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground? (Disregard wind resistance. Round answer to nearest whole number and do not reflect negative ...
Wednesday, November 7, 2012 at 3:59pm

physics
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 595 rev/s. A point on one of the blades traces out a circle with a radius of 0.02 m as the blade rotates. (a) What is the magnitude of the ...
Wednesday, November 7, 2012 at 2:55pm

Persuasive Wrtiting
Teen Moms: Aren’t Ready Did you know that three out of ten teen girls in the U.S. will get pregnant at least once at the age of nineteen or younger, so if you totaled that up, it is about 750,000 pregnancies each year? Ninety-percent of teenagers won’t use some form ...
Wednesday, November 7, 2012 at 1:54pm

Physical Science
A truck whose bed is 2.5m long, 1.5m wide, and 1m high is delivering sand to a construction site. How many trips must the truck make to deliver 7? cubic meters of sand? Plese explain your answer.
Wednesday, November 7, 2012 at 1:02am

science
How much total work is done by 450-N girl who lifts a 52-N backpack 1.2m to her shoulders and then climbs a ladder 3.0m high?
Wednesday, November 7, 2012 at 12:20am

pre-calc
a lifeguard sits on the lifeguard stand that is about eight feet high.he suddenly notices that a swimmer is struggling in the water.the angle between the base of the lifeguard stand and the swimmer is about 102 degree,and the straight line distance between the base of the ...
Tuesday, November 6, 2012 at 2:18pm

Lang. Arts
2. What is the subject of the sentence below? Try giving the dog less water and he won’t spill it on the floor. a. an understood “You” b. he c. the dog d. There is no subject. This is a fragment. Read the following excerpt from Jesse Jackson’s speech to the...
Tuesday, November 6, 2012 at 1:03pm

High school
Maths;{2X-2Y=4+{3X+4Y=6
Tuesday, November 6, 2012 at 12:21am

Choir
How high should my note be in the highest point of the song O Come all ye faithful.
Monday, November 5, 2012 at 6:42pm

Math
Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch. Use the scale drawing of the living room to answer each question. There are 1,296 in.2 in one square yard. Use a proportion to find out how many square yards of carpet it would ...
Monday, November 5, 2012 at 4:02pm

Physics
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of 92 N at an angle of 30 as shown in the figure below. The box of books has a mass of 22.0 kg, and the coefficient of kinetic friction between the ...
Monday, November 5, 2012 at 2:48pm

English
The school where my cousin attends is two blocks away. Identify the adjectival clause... school where my cousin attends where my cousin attends attends is two blocks away two blocks away
Monday, November 5, 2012 at 12:02pm

Psychology
Which of these brain abnormalities is associated with Schizophrenia? Enlarged, fluid filled areas of the brain correlated with shrunken cerebral tissue Damage to the medulla Abnormally high activity in the frontal lobe Increase in brain waves that reflect synchronized neural ...
Monday, November 5, 2012 at 9:52am

EnglishIII
I'm writing an essay and was wondering if this part was okay. I was eager for this day to end and summer begin. Despite my eagerness, I was excited about the “surprise” guest the school had booked to make this day special for our graduating class. Should I just ...
Sunday, November 4, 2012 at 10:17pm

calculus
Gravel is being dumped from a conveyor belt at a rate of cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the pile is feet high? Hint: ...
Sunday, November 4, 2012 at 8:56pm

English 8R - Homework Check (plzzzz read)
Is my summary good??? (The Princess Diaries by Meg Cabot) Mia Thermopolis is an average urban ninth grader. She lives in Greenwich Village with a single, liberal mom who is a semi-famous painter. The most exciting things she ever dreams about are kissing senior Josh Richter ...
Sunday, November 4, 2012 at 8:33pm

Physics
Janet jumps off a high diving platform with a horizontal velocity of 1.65 m/s and lands in the water 1.8 s later. How high is the platform? The acceleration of gravity is 9.8 m/s2. How far from the base of the platform does she land? Answer in units m
Sunday, November 4, 2012 at 7:46pm

Poetry/ENG 142/Ivy Bridge
I'm trying to form an arguement based on the following poem does anyone have any ideas on how I could do that effectively? TO HELP THE MONKEY CROSS THE RIVER, which he must cross, by swimming, for fruit and nuts, to help him I sit, with my rifle, on a platform high in a ...
Sunday, November 4, 2012 at 7:15pm

English
What grammatical structure is the italicized portion of the sentence? 1. (Headed by a senior), the group drew up rules for School Spirit Week. - nominative absolute 2. My most valuable coin, (one from Spain), is worth more than $100.00. - prepositional phrase with a gerund 3. ...
Sunday, November 4, 2012 at 4:43pm

Physics
To win the game, a place kicker must kick a football from a point 19 m from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 16 m/s at an angle of 59.8 from the horizontal. The acceleration of gravity...
Sunday, November 4, 2012 at 11:46am

Physics
An arrow is shot at an angle 36 of with the horizontal. It has a velocity of 47 m/s. How high will the arrow go? The acceleration of gravity is 9.8 m/s
Sunday, November 4, 2012 at 11:32am

St.george high school
The numerator of a fraction is 8 less than the denominator.when 6 is added to the numerator and 10 is added to the denominator,the value of the fraction is unchanged.find the original fraction.
Sunday, November 4, 2012 at 9:06am

Culturally Diverse Background
Will someone check my answers. 1.During a class fingerpainting activity,Doresha appeared perplexed by the teacher's question, What are you doing, Doresha did not respond quickly or with ease. Why did Doresha respond to this eventcast the way she did? a. Doresha is from a ...
Sunday, November 4, 2012 at 2:23am

mAth word problems
Farmer Pete expects to sell 5000 pumpkins this season he charges $7.00 per pumpkin. HOw can he figure out the total revenue from the sale if his farming expenses cost him $16,700.00 this season? would the answer be: 18,300.00 total revenue Betty WItch flies to school every ...
Saturday, November 3, 2012 at 10:56pm

chemistry 11
if a solution is contanimated with a chemical that causes a larger amount of solid, opaque particles floating in the solution, would the absorbance read too high or too low, and why?
Saturday, November 3, 2012 at 9:09pm

Science
Which one of the following is incorrect at room temperature? a.Water is liquid at 1 atmosphere b.ozone is gas at 1 Atmosphere c.O4 EXISTS AT VERY HIGH PRESSURE d.CH4 IS LIQUID AT LOW PRESSURE
Saturday, November 3, 2012 at 7:49pm

SAT Essay
Assignment: Can knowledge be a burden rather than a benefit? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experiences, or observations Essay: Knowledge can ...
Saturday, November 3, 2012 at 7:14pm

math
whats the angle of one end of a 13 ft.by2 by 4 ,,2ft.high and other end level?
Saturday, November 3, 2012 at 3:37pm

AP Statistics
We guess, based on historical data, that 30% of graduating high-school seniors in a large city will have completed a first-year calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of error of 2.5%? ...
Saturday, November 3, 2012 at 2:29pm

Math
Krista lives 1/2 mile from school. Desiree lives 872yards away from school. Who lives closer? Desiree?
Saturday, November 3, 2012 at 11:49am

English
1. He only comes home during school breaks and Thanksgiving. 2. He only comes home during school vacations and Thanksgiving. (Are both grammatical? What is the difference between 'breaks' and 'vacations?)
Friday, November 2, 2012 at 11:04pm

personal statement
this is my personal statement. plese check my grammar and what other stuff i can add or remove? thanks Ever since I was a little kid and till a year ago, I really didn’t know what I wanted to be in life. I imagined myself to be a teacher when I was 8 years old. As I grew ...
Friday, November 2, 2012 at 2:54pm

math
Alexa and Emma are looking up at their house from the backyard. From alexa's point of view, the top of the house is at an ang;e of elevation of 40 degree. From Emma's point of view, directly closer to the house, it is 60 degree. The house is 15 metres high. How far ...
Friday, November 2, 2012 at 10:02am

Physics
Tom the cat is chasing Jerry the mouse on a table. Jerry puts on the brakes and stops and Tom continues right off the edge of the table at 4.00 m/s. If it takes Tom 0.50 seconds to hit the ground, then the table is approximately ____ meters high and Tom hit the ground a ...
Thursday, November 1, 2012 at 11:20pm

Chemistry with Qualitative Analysis
Help please with Carbon analysis. An air bubble accidentallyy enter the CO2-collection graduated cylinder after the completion of the reaction. How does this error affect the reported moles of CO2(g) collected--too high, too low, or unaffected? Explain.
Thursday, November 1, 2012 at 6:10pm

Math(Please check)
For an experiment on specific heat capacities of metal in physics, I am trying to calculate my percent error but am having some trouble. After collecting my experimental data for c (cal/g) for the object that was used which was aluminum my results are: trial 1 = .19 trial 2...
Thursday, November 1, 2012 at 2:50pm

English
you are a speaker in a school debate on the topic "Boys must not help in the kitchen" stand for the motion
Thursday, November 1, 2012 at 12:54pm

Math/Physics(Please check work)
For an experiment on specific heat capacities of metal in physics, I am trying to calculate my percent error but am having some trouble. After collecting my experimental data for c (cal/g) for the object that was used which was aluminum my results are: trial 1 = .19 trial 2...
Thursday, November 1, 2012 at 12:51pm

math
Alex came home after school one day and found that his mother had left a plate of cookies. Alex ate 1/4 of the cookies. When his sister Bernice came home, she ate 1/3 of the remaining cookies, and when Carla came home, she ate 1/2 of the cookies on the plate. When their mother...
Wednesday, October 31, 2012 at 3:26pm

Math Solve the following
Question: 1.Russell has a pipe that is 150 inches long. it must be cut into 3 1/8 inches segments for project. How many segments will he have? 2. Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to ...
Wednesday, October 31, 2012 at 2:14pm

Math Solve the following
Rebekah is an elementary school teacher. She is making an individual craft project kits that requires 2/3 of a cup water to complete. How many cups of water will she nee if she i making the craft project kits for each of he24 students?
Wednesday, October 31, 2012 at 1:55pm

Math
can somebody please help me answer this. Thank you.Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to complete. How many cups of water will she needs if she is making the craft project kits for each ...
Wednesday, October 31, 2012 at 1:47pm

Math
A dock is 7 3/4m high. The portion of the dock above water one day was measured at 2 2/5 m high. How much of the dock structure was below water that day?
Wednesday, October 31, 2012 at 11:59am

statistik and probability
n a college class of 250 graduating seniors 50 have jobswaiting. 10 are going to medical school, 20 are going to lawschool, and 80 are going to various other kinds of graduateschools. Select one graduate at random. a. What is the probability that the student is going ...
Wednesday, October 31, 2012 at 11:14am

Intro to Physics
A uniform hoop and a disk, having the same mass and the same radius, are released simultaneously from rest at the top of a ramp. Which object reaches the bottom of the ramp first? The ramp is 1.0meter high. The incline of the plane is 30 degrees. Assume no friction. Show ...
Tuesday, October 30, 2012 at 9:41pm

Math
high temperatures for each day from Monday through Thursday were 42 degrees Fahrenheit, 37 degree, 44 degrees through Friday was 41 degrees Fahrenheit. Fridays low temperature was 4 degrees less than its high. What was Friday's low temperature?
Tuesday, October 30, 2012 at 8:32pm

English ms. sue
ms. sue i need help with this poem why it be opposite of what it mean? This was a day when nothing happened, the children went off to school without a murmur, remembering their books, lunches, gloves. All morning, the baby and I built block stacks in the squares of light on ...
Tuesday, October 30, 2012 at 8:16pm

Math
Seth has already walked 5/8 mile. It takes 1 3/8 miles to get to school. How much farther does he have to go? 3/4? Aviva needs fresh lemon juice to make cheesecake. She bought 2 lemon but needed only 1 1/4 lemons for the amount of juice she needs. How much lemon does she have ...
Tuesday, October 30, 2012 at 6:13pm

Steve Math
1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets Jake sold? 5. In 10 ...
Tuesday, October 30, 2012 at 6:00pm

Physics
A boy wishes to throw a rock into the river below the cliff where he is standing. The cliff is 50 M high and he can throw with a horizontal velocity of 30 m/s. how long does it take for the rock to reach the water? How far, in the horizontal direction, does the rock land?
Tuesday, October 30, 2012 at 6:00pm

college physics
A 3rd baseman is throwing a ball to 1st base which is 39.0m away. It leaves his hand at 38.0m/s at a height of 1.50m from the ground and makes an angle of 20 Degrees. How high will it be when it gets to 1st base.
Tuesday, October 30, 2012 at 5:38pm

college physics
A ball is thrown from a 20.0m high building and hits the ground 6.0m from the building. With what horizontal velocity was it thrown?
Tuesday, October 30, 2012 at 5:35pm

Math for Steve
1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets Jake sold? 5. In 10 ...
Tuesday, October 30, 2012 at 3:59pm

ENGLISH II HELP PLEASE!!
Which type of faulty logic does this sentence contain? Although the cheeseburger is the most sought-after item on our menu, it is really difficult to manage the crowd in the drive-up lane because of the high demand; so, the cheeseburger should be taken off the menu. A. ...
Tuesday, October 30, 2012 at 1:58pm

math
3/4 of the students in a school were girls and the rest were boys. 2/3 of the girls and 1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.
Monday, October 29, 2012 at 5:27pm

statistics
A researcher is interested in estimating the average salary of teachers in a large urban school district. She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050 (σ = 1050), how large of a sample is needed to be accurate within $200...
Monday, October 29, 2012 at 4:01pm

Math
Becky has saved $4500. She would like to earn $325 per year, by investing into two different investments: a low-risk investment that pays 5% annual interest and a high -risk investment that pays 9% annual interest. How much should Becky invest in each type of investment?
Monday, October 29, 2012 at 3:55pm

physics
Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel out.
Monday, October 29, 2012 at 2:51pm

pysics
Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel out.
Monday, October 29, 2012 at 2:51pm

MATH
A Company has 42 employees with degrees. twenty-nine of them have only High School diplomas. What percentage of these have high school diplomas.
Monday, October 29, 2012 at 12:04pm

Chemistry
a student uses the unduiluted glucose stock solution in a reaction and finds that the absorbance values over 90 seceonds are all 1.900. What does this result tell you abou the enzyme activity of glucose oxidase in this reaction after the 90 seconds time point? Would it be ...
Monday, October 29, 2012 at 1:47am

BIOLOGY/CHEMISTY
a student uses the unduiluted glucose stock solution in a reaction and finds that the absorbance values over 90 seceonds are all 1.900. What does this result tell you abou the enzyme activity of glucose oxidase in this reaction after the 90 seconds time point? Would it be ...
Sunday, October 28, 2012 at 11:33pm

science
High pressure systems are regions where air moves downward usually a few or no clouds form in this condition. Where r strongest winds found/
Sunday, October 28, 2012 at 6:20pm

physical
You are on a train that is traveling at 3.0 m/s along a level straight track. Very near and parallel to the track is a wall that slopes upward at a 12° angle with the horizontal. As you face the window ( 0.715 m high, 2.29 m wide) in your compartment, the train is moving ...
Sunday, October 28, 2012 at 5:57pm

Math
The El Paso Middle School girls' basketball team is going from El Paso to San Antonio for the Texas state championship game. The trip will be 560 miles. Their bus travels at an average of 60 miles per hour. Estimate the distance the bus travels in 2 hours.
Sunday, October 28, 2012 at 12:55pm

biology
If your ears were larger, you would: a. be able to hear sounds at lower amplitude (softer sounds) b. lose the ability to hear low amplitude high frequency sounds c. not experience any difference in your hearing ability d. none of the above
Saturday, October 27, 2012 at 6:18pm

Algebra Grade 7
Is North America a :: high latitude zone high longitude zone middle longitude zone middle latitude zone
Friday, October 26, 2012 at 4:36pm

North American Climate
Which of the following does not influence the distribution of climates in North America? a. tropical latitude location c. prevailing winds b. ocean currents d. high mountain ranges
Friday, October 26, 2012 at 4:27pm

English II
How does the author support her view that the lunch period at Mountain Vista High School should be extended? A. by explaining that many students are unable to eat lunch in the time left after waiting in long lines B. by citing research showing that students who don’t eat ...
Friday, October 26, 2012 at 2:03pm

Health: Help for Mental and Emotional Disorders
I really need help with this! I don't have a textbook, but I have an online book, but my computer won't open it. My teacher is not answering his phone. So I have no idea what the answers might be. Please help me! 1. A disorder in which intense anxiety or fear keeps a ...
Friday, October 26, 2012 at 1:53pm

math
speakers place every 10 yds around the wall of school auditorium. Auditorium is 210 ft by 300 ft. How many wall speakers are placed around the auditorium?
Thursday, October 25, 2012 at 7:31pm

North America Climate
Which of the following does not influence the distribution of climates in North America? a. tropical latitude location b. ocean currents c. high mountain ranges C.??
Thursday, October 25, 2012 at 3:03pm

Health
You have been given the task of making a presentation to a group of junior high school students arguing against making marijuana legal. What are four risks associated with its use that you could include in your talk?.
Thursday, October 25, 2012 at 11:58am

High School Physics
The player kicks a football with an initial speed of v0 = 98 ft/s. Determine the two possible values for the angle of the kick, theta. The distance of the football field is 126 ft. Also determine the corresponding time at each of these two angles.
Thursday, October 25, 2012 at 12:02am

physics
standing on the ground, you throw a 0.55 kg lunch bag at a friend, you manage to throw the bag straight up (vertically) using 50 J of energy to throw it there is also a crosswind of 0.5 m/s. How high will the bag travel before all of its kinetic energy is converted into ...
Wednesday, October 24, 2012 at 11:12pm

Statistics
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 40 seconds. The fitness ...
Wednesday, October 24, 2012 at 11:09pm

SAT Essay
Assignment: Is there such a thing as success without sacrifice? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experience, or observations. Essay: It is very ...
Wednesday, October 24, 2012 at 9:36pm

Computers
I know that there are a whole bunch of proxy servers out there but I can't seem to find one that will help me get around the system. I am wanting to use this proxy address to help me access school resource websites, but they're all blocked. HELP!!!! Please reply soon ...
Wednesday, October 24, 2012 at 11:10am

English
1. What do you do? - I am a student. 2. What does your father do? - He is an architect. 3. What does your mother do? - She is an accountant. 4. What do you want to be in the future? - I want to be a pharmacist. 5. Why do you want to be a pharmacist? - I want to make good ...
Tuesday, October 23, 2012 at 10:35pm

math
how do you figure out the diameter of a pipe that is 40 feet high and holds 200000 gallons
Tuesday, October 23, 2012 at 9:04pm

Math
What part of the school population likes basketball,baseball,or football? How much larger is this then the part of the student population that prefers soccer? Football 3/12 Basketball 4/12 Soccer 3/12 Baseball 2/2 Answer:1/2? Simplify the fraction if possible
Tuesday, October 23, 2012 at 6:55pm

Math
From a boat on the lake, the angle of elevation to the top of a cliff is 26°35'. If the base of the cliff is 85 feet from the boat, how high is the cliff (to the nearest foot)? A. 56 feet B. 43 feet C. 53 feet D. 46 feet I HAVE BEEN WORKING ON THIS FOREVER! please help...
Tuesday, October 23, 2012 at 6:46pm

Physiology and Health
You have been given the task of making a presentation to a group of junior high school students arguing against making marijuana legal. What are four risks associated with its use that you could include in your talk?
Tuesday, October 23, 2012 at 2:20pm

science
the ski lift chair at a ski report is 2560m long. on average, the ski lift rises 15.2 degree above the horizontal. how high is the top of the ski lift relative to the base?
Tuesday, October 23, 2012 at 1:34pm

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