Homework Help: High School

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math
Students submitted pictures for the school yearbook. Only 4/5 of the submitted pictures fit in the yearbook. There were 105 pictures that did not fit. Approximately how many total pictures were submitted for the yearbook? A. 105 B. 210 C. 420 D. 500
Tuesday, April 2, 2013 at 6:08pm

English
Can someone check these sentences I need to prepare for tomorrow? Thank you. 1) Troy has been at the BRIT School since he was 14. Before that he was in a normal secondary school. 2) Unlike in a normal secondary school, students at the BRIT study all the ordinary academic ...
Tuesday, April 2, 2013 at 4:39pm

MAth
14% of students say they love school. If 8 students are chosen at random, what is the probability that at least one of them loves school?
Tuesday, April 2, 2013 at 3:40pm

MAth
14% of students say they love school. If 8 students are chosen at random, what is the probability that at least one of them loves school?
Tuesday, April 2, 2013 at 3:37pm

7th Grade Social Studies
1. Which of the following are accomplishments of the Incas? (1 point) pyramids floating gardens hieroglyphics roads and aqueducts 2. All of the following contributed to the Spanish victory over the Aztecs except (1 point) disease wiped out many of the Aztecs. native Americans ...
Tuesday, April 2, 2013 at 1:28pm

college algebra
How much paper would you need to wrap a box 10cm wide, 25cm high, and 50cm long?
Tuesday, April 2, 2013 at 12:20pm

chemistry
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in commercial bleach solution? A student failed to allow the volumetric pipet to drain completely when transferring the diluted bleaching solution to the Erlenmeyer flask. I get...
Tuesday, April 2, 2013 at 7:09am

simple PHYISCS
A teenager accidentally falls off a 10 m high platform diving board. His friend whips out his camera and takes a picture when the teenager is halfway to the water below to commemorate the embarrassing event and post it on Facebook. How many seconds after the teenager fell off ...
Tuesday, April 2, 2013 at 4:08am

Physics
Suppose you wish to make a vertical leap with the goal of getting your head as high as possible above the ground. At the top of your leap, your arms should be... a. held at your sides. b. raised above your head. c. outstretched, away from your body.
Monday, April 1, 2013 at 6:11pm

clinical
a female aged 63 has high bp about 226/123 and develops diabetes type 2, and has a history of heart attack once. what medication n care should be provided to her?????
Monday, April 1, 2013 at 8:22am

civil engineering
A stone (on the edge of the roof) thrown from the top of a building is given an initial velocity of 20.0 m/s straight upward. The building is 50.0 m high, as shown in Fig. 4. Using tA = 0 as the time the stone leaves the thrower’s hand at position ○A . The ...
Monday, April 1, 2013 at 7:09am

Physics
You are riding in a school bus. As the bus rounds a flat curve at constant speed, a lunch box with a mass of 0.550 suspended from the ceiling of the bus by a string of length 1.77 is found to hang at rest relative to the bus when the string makes an angle of 31.0 with the ...
Sunday, March 31, 2013 at 8:38pm

Biochemistry
Nicotine is a small molecule produced by the tobacco plant Nicotiana tabacum. Nicotine is produced by the plant to discourage herbivores. In low doses, such as those experienced by tobacco users, it is a stimulant that leads to mild euphoria. In high doses, it acts as a potent...
Sunday, March 31, 2013 at 1:24am

Livingston High
$287.44 APR 12% FINANCE CHARGE $2.87 WHATS THE ACCOUNT BALANCE?
Saturday, March 30, 2013 at 8:25pm

7th Grade Social Studies
1. Mexico's Central Plateau is an important region because (1 point) it is a mountainous region where few people live, but minerals are mined. most of the country's people live there. it is a place where active volcanoes and earthquakes make life difficult. it has a ...
Saturday, March 30, 2013 at 7:49pm

English Holiday
I'd like to know about Red Nose Day in the UK. 1. Do only British people have Red Nose Day? 2. Do all students go to school wearing a red nose? 3. Is Red Nose Day held every other year? 4. Some more information related Red Nose Day and related websites are needed.
Saturday, March 30, 2013 at 7:25am

business
an attempt to minimize the problem of wage-rate compression, organizations may incorporate all of the following ideas except: Answer giving larger increases to high-performance employees. preparing high-performance employees for promotion to high- salary jobs. providing ...
Saturday, March 30, 2013 at 12:30am

math
Henrietta lives 8 7/10 miles from school. She lives 5 1/10 miles from the library. How much farther does Henrietta live from her school than from the library? A.3 3/5 miles B.3 3/4 miles C.13 3/5 miles D.13 3/4 miles
Friday, March 29, 2013 at 11:41pm

math
An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188
Friday, March 29, 2013 at 11:34pm

math
A cleaner charges $0.50 per square foot to polish wood floors. A school hall has a floor area of 30 feet by 50 feet. What would be the total cost to polish the floor of the school hall? A.$80 B.$375 C.$750 D.$1,500
Friday, March 29, 2013 at 12:02pm

physics
A 62.0 skier is moving at 6.10 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.30 long. The coefficient of kinetic friction between this patch and her skis is 0.330. After crossing the rough patch and returning to friction-free snow, she ...
Thursday, March 28, 2013 at 6:52pm

psychology
Janet has been attending Killian High School for three years. At the beginning of her senior year, she is enrolled in Ms. Brosham's AP English Class. She heard from her two older siblings that Ms. Brosham was a hard-nosed, crusty teacher who did not tolerate uncertainty. ...
Thursday, March 28, 2013 at 5:27pm

Math Plz help
survey about the student government program at a school finds that of 245 students: 218 students like the program 27 students think the program is unnecessary If a circle graph were made from this data, what would the measure of the central angle be for the group that likes ...
Thursday, March 28, 2013 at 5:01pm

Math
Jimmy jumped into a lake from a 12-foot-high cliff with an initial upward velocity of 7 feet per second. Find the time in seconds it took Jimmy to enter the water. Use the model for vertical motion given by the equation h = -16 t squared + vt + s
Thursday, March 28, 2013 at 1:49pm

fuuast
young, innovative, or high-tech firms often adopt the strategy of ignoring history or attempting to do something radically new.in what ways will this strategy help them? in what ways this strategy hinder them?
Thursday, March 28, 2013 at 5:53am

statistics
confidence intervals: A researcher is interested in estimating the average salary of teachers in a large school district. She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050, how large a sample is needed to be accurate within $200.
Thursday, March 28, 2013 at 12:45am

math
The temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius. One day the high temp. was 95 degrees Fahrenheit. What was the high temp. in degrees celsius? I did 32+(9/5*35) 32+63=95 so my answer is 35 degrees celcius, Is this ...
Wednesday, March 27, 2013 at 10:40pm

physics
A certain LCD projector contains a single thin lens. An object 23.5 mm high is to be projected so that its image fills a screen 1.87 m high. The object-to-screen distance is 3.05 m. (a) Determine the focal length of the projection lens. mm (b) How far from the object should ...
Wednesday, March 27, 2013 at 10:32pm

math
a cleaner charges $0.50 per square foot to polish wood floors. a school hall has a floor area of 30 feet by 50 feet. what would be the total cost to polish the floor of the school hall? A. $80 B. $375 C $750 D $1,500 I think it is C.
Wednesday, March 27, 2013 at 9:35pm

History
1. What did the baby boom generation value? (1 point) traditional, mainstream values trust in adults and the government youth, spontaneity, individuality, and spirituality restriction of minority civil rights and less environmental regulation 2. How did the counterculture ...
Wednesday, March 27, 2013 at 9:09pm

Math
Mr. Brown bought 4 boxes of stickers to school. Each student that came to his class received 1/5 of the box. How may students will get a sticker before they run out?
Wednesday, March 27, 2013 at 5:29pm

fgcu
More than a decade ago, high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. Now, suppose only 12% of children in the United States are at risk of high blood-lead levels. (a) In a random sample of 194 ...
Wednesday, March 27, 2013 at 5:08pm

Math
Hiro went to the store after school to pick up groceries. His list said he needed to pick up one jug of milk, one loaf of bread, one dozen eggs and one package of cookies. Milk comes in 1%, 2% and 3.25% varieties. Bread comes in white and 100% whole wheat. Eggs come in small, ...
Wednesday, March 27, 2013 at 11:47am

English
Q: What is the restroom at school called? Is it the boys' room or the girls' room? Is it the staff's room for teachers?
Wednesday, March 27, 2013 at 8:56am

physics
We are given an input current Iin=100μA and a linear resistive load represented by the resistor RL . Our resistive load is not regulated for the high current provided by our current source, so we add a resistor RS in parallel to divide the current such that IL≈40&#...
Wednesday, March 27, 2013 at 8:07am

Physics
A brick is thrown off a building at a 25 degree angle at 10m/s, it lands 40 meters away, How high is the building?
Tuesday, March 26, 2013 at 10:18pm

math
A cleaner charges $0.50 per square foot to polish wood floors. A school hall has an area of 30 feet by 50 feet. What would be the total cost to polish the floor of the school hall? A.$80 B.$375 C.$750 D.$1,500 What is the answer?
Tuesday, March 26, 2013 at 9:21pm

Math Ms. Sue please
1. Given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, –43, find the mean, median, mode, and range. (1 point) mean = –28.5, median = –29.1, mode = –49, range = 40 mean = –29.1, median = –49, ...
Tuesday, March 26, 2013 at 7:42pm

Physics
Your artist friend's new work is a simple, high-impact kinetic sculpture called 'Destruction.' A 200-kg steel block is hung from the ceiling by an 8-foot-long rope. A second rope is attached to the side of the block. The other end of this second rope is attached to...
Tuesday, March 26, 2013 at 7:38pm

Calc.
A dog kennel owner needs to build a dog run (rectangular area) adjacent to a kennel cage (so that it is in the shape of a rectangle, but only three sides need to be built- one long side is already there). The short side walls of the run are to be cinder block (costs $0.50 per ...
Tuesday, March 26, 2013 at 5:27pm

Math
A dog kennel owner needs to build a dog run (rectangular area) adjacent to a kennel cage (so that it is in the shape of a rectangle, but only three sides need to be built- one long side is already there). The short side walls of the run are to be cinder block (costs $0.50 per ...
Tuesday, March 26, 2013 at 2:54pm

statistics
The National AIDS Behavioral Surveys interviewed a sample of adults in the cities where AIDS is most common. This sample included 782 heterosexuals who reported having more than one sexual partner in the past year. We can consider this an SRS of size 782 from the population of...
Tuesday, March 26, 2013 at 2:37pm

precalculus
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 90 and 70 degrees, respectively. Assuming t is the number of hours since midnight, find an ...
Tuesday, March 26, 2013 at 12:13am

math
A 13 foot ladder is leaning against a building.The bottom of the ladder is 5 feet from the building.How high up does the ladder meet the wall?
Monday, March 25, 2013 at 6:48pm

Biology
The original high estimate of the number of protein-coding genes in humans was based partly on the number of different known proteins made by the human organism. How can the small number of genes now thought to be present account for this larger number of proteins synthesized ...
Monday, March 25, 2013 at 5:52pm

Math
An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30cm, and the object takes 4s to complete 5cycles. For the first few cycles, the distance feom the mean position, d(t) centimetres, with respect to the time, t ...
Monday, March 25, 2013 at 5:46pm

business studies
core business activities of absa at the top of jse csr index
Monday, March 25, 2013 at 5:15pm

fundamental of management
young innovative or high tech firms often adopt the strategy of ignoring history of attempting to do something radically new.in what ways will this strategy help them?in what ways will this strategy hinder them/
Monday, March 25, 2013 at 3:31pm

management
young innovative or high tech firms often adopt the strategy of ignoring history of attempting to do something radically new.in what ways will this strategy help them?in what ways will this strategy hinder them/
Monday, March 25, 2013 at 2:29pm

english
Below is a list of phrases giving reasons to support a topic sentence.Use the list to complete the following unfinished paragraph. Type the body of the paragraph in the text box below. Reasons *Excellent news coverage: sports events; club news; biographical sketches *...
Monday, March 25, 2013 at 2:12pm

math
the new playground at middeldae school will be enclosed by a fence. The playgroundnd will be rectangualar and will have an area of 225 yd. The number of yards on each side will be a whole number. What is the least amount of fencing that could be required to enclose the ...
Monday, March 25, 2013 at 8:16am

English
1. The students are playing soccer against the teachers. (What is the part of speech of 'against the teachers'? Is it an adverbial phrase or an adjective phrase? Does 'against the teachers' modify 'soccer'?) 2. What's your favorite place at school...
Monday, March 25, 2013 at 8:14am

Physics
in a childrens soccer game, one of the children kicks the ball from the ground, giving it an itial velocity of 22m/s a) what height and range does the ball reach? b) How high is the ball 2.25s into flight?
Sunday, March 24, 2013 at 3:31pm

MATH
JENNA LIVES 4 3/10 MILES FROM SCHOOL. SHE ESTIMATES THAT SHE TRAVELS 4 X 2 X 5, OR 40 MILES EACH WEEK. IS HER ESTIMATE AN OVERESTIMATE OR AN UNDERESTIMATE? EXPLAIN.
Sunday, March 24, 2013 at 9:01am

Physics
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 59.82 diopters, and the lens-to-retina distance is 1.686 cm. (a) How far is the blackboard from her eyes? (b) If the writing on the blackboard is 4.81 cm high, what is the...
Sunday, March 24, 2013 at 1:17am

Geomatry
If a zipline ends at 8ft above the ground and goes upward at a 6 degree angle, how high will it begin?
Saturday, March 23, 2013 at 8:18pm

chem
(b) (4 pts.) Suppose it is a hot summer day (40.0 degrees C = 104.0 degrees F), and you have left a can of hairspray outside so the gas within it is now at the same temperature of its surroundings. As part of your chemistry lab class, you have to build a safe and effective ...
Saturday, March 23, 2013 at 5:18pm

ENGLISH/MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
NYS ELA 7 Score - Level 2 (high two so I was seven points away to a three) My Scale Scare - 658 Level Two: 642-664 (scale score) Level Three: 665-697 (scale score) NYS Math 7 Score - Level 3 My Scale Score - 678 Level Three - 670-693 (scale score) I really want to know my ...
Saturday, March 23, 2013 at 4:19pm

biology
time day 0 day 1 day 3 day 4 day 5 day 7 count blank 7 10 5 14 9 8 low 45&49 64&70 62&69 75&79 80&82 68&72 high 45&49 72&78 100&112 180&195 250&267 208&226 Calculate the cell yield for the following data that were obtained using a coulter counter. Conditions: machine counting ...
Saturday, March 23, 2013 at 1:30pm

mathematics
the theoretical probability of winning the lottery is 1/1,000,000,000.which of the ff is true if you purchase a lottery ticket?A.you will only win the lottery if you buy 1,000,000,000.B.you will never win the lottery.C.you will definitely win the lottery.D.you might win the ...
Saturday, March 23, 2013 at 10:59am

math
An object that is falling or vertically projected into the air has it height, in feet, above the ground given by the formula below, where s is the height in feet, Vo is the original velocity of the object, in feet per second, t is the time the object is in motion in seconds, ...
Friday, March 22, 2013 at 10:35pm

physics
A birthday candle 4 cm high is 10 cm from a converging lens whose focal length is 15cm. Use a ray diagram on a suitable scale(say,1/3 full size) to find the location of the image, its height,and whether it is erect or inverted, real or virtual.
Friday, March 22, 2013 at 9:40pm

Physics
A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the other side of the peak, as illustrated in Figure 3-29. If the ship shoots the projectile with an initial velocity of v = 248 m/s at an angle of...
Friday, March 22, 2013 at 8:41pm

Algebra (word problems)
Studying help! Flights of leaping animals typically have parabolic paths. The figure illustrates a frog jump superimposed on a coordinate plane. The length of the leap is 9 feet, and the maximum height off the ground is 3a feet. Find a standard equation for the path of the ...
Friday, March 22, 2013 at 5:17pm

Lang. Arts
Identify the simple sentence. A.In 1970, my mother graduated from Point Pleasant Boro High School. B.The gymnast swung around the bar, and the coach stepped on the mat. C.The tornado bypassed the town, but the townspeople remained in their shelters. D.The factory closed its ...
Friday, March 22, 2013 at 2:49pm

psychology
2. Last week, Roger suddenly quit his job. He told his family he had decided to learn carpentry. He purchased a truckload of wood and nails, which now sits in his driveway because he changed his mind and decided to enroll in a school for massage therapy. The school confirms ...
Friday, March 22, 2013 at 9:21am

Math
Annie's math test scores are 68 82 82 88 92 98 Her median test score is.. A.30 B.82 C.85 D.88 C? The high temperature for the last 5 days were 28,28,32,55,77 What is the range? A.28 B.32 C.44 D.49 D? The high temperature for six days in August were 93,98,100,102,102,105 ...
Thursday, March 21, 2013 at 10:53pm

math
a launched rocket has an altitude, in meters, given by the polynimial h+vt-4.9t^2 where h is the height, in meters, from which the launch occurs, at velocity v in meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from ...
Thursday, March 21, 2013 at 9:53pm

accouting
- Hanna Manufacturing – Due Hanna Manufacturing manufactures components for the farming industry and is considering replacing its existing equipment with new and more high technology machinery, despite the fact that its existing eq uipment is only a few years old and ...
Thursday, March 21, 2013 at 6:37pm

English
Words left earmark strident compact Each year a portion of the school budget is ____ for the purchase of new books for the library earmark
Wednesday, March 20, 2013 at 9:32pm

math
A girl 1.6 m tall, stands 3.6 m from a lamp post at night. Her shadow from the light is 0.9m long. How high is the lamp post?
Wednesday, March 20, 2013 at 7:10pm

Physics
A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 m-high roof of the gymnasium if you release the ball 1.70 m above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
Wednesday, March 20, 2013 at 6:59pm

Physics
A) With what minimum speed must you toss a 190 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the ball 1.70 above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?
Wednesday, March 20, 2013 at 6:37pm

Alegbra
Remember to show all of the steps that you use to solve the problem. Use the comments field to explain your work. A survey about the student government program at a school finds the following results: 190 students like the program 135 students think the program is unnecessary ...
Wednesday, March 20, 2013 at 3:32pm

maths-parallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be possible? Which are the ...
Wednesday, March 20, 2013 at 3:09pm

maths-area of parallelogram
There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be possible? Which are the ...
Wednesday, March 20, 2013 at 2:38pm

physics
A 5 kg ball rolls off a 34 m high cliff, and lands 29 m from the base of the cliff. Express the displacement and the gravitational force in terms of vectors and calculate the work done by the gravitational force. Note that the gravitational force is < 0, -mg, 0 >, where ...
Wednesday, March 20, 2013 at 1:52pm

math
A school uniform consists of a shirt and a pair of shorts. A shirt costs $22. A pair of shorts costs $15. Write an expression to find the cost of supplying n students with uniforms. Evaluate the expression for 8 students.
Wednesday, March 20, 2013 at 11:06am

Ashford
Often, after graduation, students report that they can barely remember some of the concepts they studied in school. This is particularly true if a difficult concept is introduced. As asymptotic notation is perhaps one of the most difficult concepts to grasp and apply in this ...
Tuesday, March 19, 2013 at 10:40pm

Language Arts
Help Ms. Sue! Please check if I'm correct on this question. * Which of the sentences below is the best option for a thesis statement? A.) An after-school program at the community center might involve classes, sports, and other activities in which children can take part. B...
Tuesday, March 19, 2013 at 8:17pm

Physics
A 4 kg weight falls on a spring that is facing up. The weight compresses the spring 0.25m. If the spring constant of the spring is 3.5N/m, how high was the weight when it was dropped?
Tuesday, March 19, 2013 at 7:14pm

Childhood
The fundamental purpose of early childhood education should be to a) prepare children for continuing later success in elementary school. B) foster growth of developmental sequences c) foster competence in dealing with life .is letter c) correct?
Tuesday, March 19, 2013 at 6:57pm

Statistics
How high must a student score to place in the top 10% of all students taking the SAT? Scores on the SAT verbal test in recent years follow approximately the Normal with mean 504 and standard deviation 111. This is what I did. 1-.10=.9 Then I entered the data in my calculator ...
Tuesday, March 19, 2013 at 6:01pm

Chemistry
Solution x has a pH of 4.35. Solution y has 10- times high [OH-] compared to solution x. Solution z has a pH 4.0 units higher than that of solution x. calculate the ration of [H3O+] between solutions x&y and between x&z. What is the pH of solutions y and z? classify each ...
Tuesday, March 19, 2013 at 2:12pm

physics
A slide is 5 inches high. it is placed 5.5 inches from the convex lens of a porjection lantern. The image is cast upon a screen 55 inches away. the focal length of the lens is ______inches? b) the heigh of the image cast by the lens is ________inches?
Tuesday, March 19, 2013 at 1:33pm

probability math
bill is on the school archery team. the target has a center bull's-eye and two rings around the bull's-eye. the table gives the probabilities of each outcome. what is the probability that bill will get the next arrow in the inner or outer ring?express your answer as a ...
Monday, March 18, 2013 at 7:36pm

physics
Calculate a person's hang time if he moves horizontally 2 m during a 1.39 m high-jump.
Monday, March 18, 2013 at 3:14pm

English
Can someone check of this email is grammatically correct? Thank you. How are things? 1) I’ve been on holiday in England and I’ve been attending an English summer course for two weeks. 2) I’ve met an interesting girl from London, Mary, at a party organized by the...
Monday, March 18, 2013 at 3:04pm

maths-surface area
A cone 7dm high and 6 dm in diameter is placed on the ground. Sand is poured over it until conical heap 21 dm high and 33 dm circumference at the bottom is formed. Find how many m^3 of sand is there?
Monday, March 18, 2013 at 2:53pm

Chemistry
During your titration, you overshot your endpoint and your solution was too pink. Would this lead to a final pKa that was too high or too low? Explain why using chemical reasoning.
Sunday, March 17, 2013 at 6:24pm

st joseph school
when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next traffic light. The speed of the car, s, is given by the equation, s=-10 /t-8/ + 80 where t is time. Find the time , t, it takes for the car to reach ...
Sunday, March 17, 2013 at 3:14pm

Chemistry - URGENT
So, I go to high school in Texas and we have this AP Chem lab due online tomorrow night by midnight and I need some serious help on these questions: Lab Temp 0.2°C Experiment Trial Time in seconds Trial 1 Trial 2 Average Time 1 1 2 ...
Saturday, March 16, 2013 at 10:44pm

Chemistry - reaction kinetics
So, I go to high school in Texas and we have this AP Chem lab due online tomorrow night by midnight and I need some serious help on these questions: Lab Temp 0.2°C Experiment Trial Time in seconds Trial 1 Trial 2 Average Time 1 1 2 ...
Saturday, March 16, 2013 at 9:15pm

Chemistry
Suppose it is a hot summer day (40.0 degrees C = 104.0 degrees F), and you have left a can of hairspray outside so the gas within it is now at the same temperature of its surroundings. As part of your chemistry lab class, you have to build a safe and effective potato gun to ...
Saturday, March 16, 2013 at 7:52pm

Chemistry
So, I go to high school in Texas and we have this AP Chem lab due online tomorrow night by midnight and I need some serious help on these questions: Lab Temp 0.2°C Experiment Trial Time in seconds Trial 1 Trial 2 Average Time 1 1 2 256 275 268 ...
Saturday, March 16, 2013 at 6:51pm

statistics
The highest point in the scatter is the point for Illinois, at 1807. The two just below it, at 1778 and 1777, are for Minnesota and Iowa. The lowest points are at 1391 and 1385, for Maine and D.C. respectively. Pick all the options that are correct. The scatter diagram shows ...
Saturday, March 16, 2013 at 4:04pm

world history
Any ideas to build a hippodrome for a school project
Saturday, March 16, 2013 at 1:06pm

Physics
A spacecraft in orbit around the moon measures its altitude by reflecting a pulsed 10Mz radio signal from the surface. If the spacecraft is 10km high what is the time between the emission of the pulse and the detection of the echo?
Saturday, March 16, 2013 at 9:52am

physics
A 1.85 m tall basketball player attempts a goal 9.3 m from a basket (3.05 m high). If he shoots the ball at a 45° angle, at what initial speed must he throw the basketball so that it goes through the hoop without striking the backboard?
Thursday, March 14, 2013 at 7:50pm

physics
A rocket moves upward, starting from rest with an acceleration of 30.5 m/s2 for 3.39 s. It runs out of fuel at the end of the 3.39 s but does not stop. How high does it rise above the ground?
Thursday, March 14, 2013 at 7:04pm

math
Jan is making a pencil holder out of plastic canvas.The pencil holder will be 4 inches high. It will not have a top.The perimeter of the square base is 17.64 inches.How much plastic canvas does Jan need?
Thursday, March 14, 2013 at 6:08pm

trig
A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?
Wednesday, March 13, 2013 at 10:45pm

heritage hihg school
list the 13 prefixes and numerical value (exponent) in order from largest to smallest. (ex;a5 where a is the prefix and 5 is the exponent!)for u use u!
Wednesday, March 13, 2013 at 8:45pm

Language Arts
I have the sentence...When I get home from school,I'm going to take a nap. I am supposed to underline the subjects and verbs. I know in the first part the subject is I and the verb is get. On the second part the subject is I. I'm not sure on the verb though. Is it am ...
Wednesday, March 13, 2013 at 6:06pm

math
There are 19 boys and 19 girls in the school pep band. If Trey randomly selects a member of the pep band to interview for the school newspaper, what is the probability that he will select a girl?
Wednesday, March 13, 2013 at 5:44pm

can some1 plz recheck my answers
1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2. Which goal is realistic? ...
Wednesday, March 13, 2013 at 4:18pm

English
1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2. Which goal is realistic? ...
Wednesday, March 13, 2013 at 4:04pm

english
2. Efficient time management is essential to get things done because time: A. is a limited resource. B. is stressful. C. costs money. D. is a way to control our disorganization. is it D 3. One way to look at goal setting is: A. it is an exercise in futility. B. it is useful ...
Wednesday, March 13, 2013 at 3:47pm

English II
Revise the following paragraph until you can answer yes to each of the questions listed below. After you are finished, copy the revised paragraph in the space provided. 1. Does the paragraph have a clear purpose, and does each sentence contribute to that purpose? 2. Is every ...
Wednesday, March 13, 2013 at 1:06pm

Physics
Mason lifts a box off the ground and places it in a car that is 0.50 meters high. If he applies a force of 8.0 newtons to lift this suitcase, what is the work done? A. 0 joules B. 4.0 joules C. 4.0 × 101 joules D. 4.0 × 102 joules
Wednesday, March 13, 2013 at 10:05am

maths
An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34 degrees.The angle of depression to the foot of the same building is 51 degrees.If the buildings are on the same ground level find the height of the taller ...
Wednesday, March 13, 2013 at 12:51am

algebra
a rock is thrown witha velocity of 20 meters per second from the top of a 24 meter high cliff and it misses the cliff on the way back down. when will the rock be 10 meters from the water below? round your answer to two decimal places
Tuesday, March 12, 2013 at 10:11pm

Physics
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits the ground. How high does it bounce?
Tuesday, March 12, 2013 at 10:08pm

QSO 510
Problem 1 Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico. Advance sales are so small that Weiss has no way to estimate the demand for the red roses. She buys roses for $15 per dozen and sells them for $40 ...
Tuesday, March 12, 2013 at 8:20pm

QSO 510
Problem 2 Build-Rite construction has received favorable publicity from guest appearances on a public TV home improvement program. Public TV programming decisions seem to be unpredictable, so Build –Rite cannot estimate the probability of continued benefits from it ...
Tuesday, March 12, 2013 at 8:19pm

Math
Ms Washington buy a refrigerator that is 6 feet high, 3feet deep and 4 feet wide ,how many floor space does she need to fit the refrigerator
Tuesday, March 12, 2013 at 7:06pm

English
I urgently need to prepare these sentences for tomorrow. Could you please have a look at them? 1.If they told me to clean my room, I would. 2.You’d better take the keys in case I might still be out when you come back. 3. Would all this have happened if he hadn’t ...
Tuesday, March 12, 2013 at 5:15pm

Math
having trouble figuring out this problem. During the first 4 wks of school, a cafeteria worker made more than 840 tacos. She made the same number of tacos each week. Which inequality best represents t, the number of tacos she made during 1 week. a. t > 410 b. t < 410 c. ...
Tuesday, March 12, 2013 at 4:44pm

English
According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding. How to make this a parallel sentence?
Tuesday, March 12, 2013 at 4:05pm

Lang Arts! HELP!
Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and gallons of water—sets them down, and exits. All three come in together, and MOM bursts ...
Tuesday, March 12, 2013 at 3:41pm

life orientation
write a critical explanation on each of the following:the high drop out rate (why learners stop their studies)and failure rate in their first year at colleges or universities
Tuesday, March 12, 2013 at 1:37pm

algebra...
In a school, there are 4 more students in Class A than in Class B, and 4 more students in Class B than in Class C. As a reward for good behavior, a teacher decides to give out some sweets. Every student in class C got 5 more sweets than every student in Class B, and every ...
Tuesday, March 12, 2013 at 12:10pm

math
In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish?
Tuesday, March 12, 2013 at 4:10am

PHUSICS
An old English nursery rhyme starts off "Jack and Jill went up the hill to fetch a pail of water". If the hill is 10 m high and Jack weighs 700 N, how much work in Joules did Jack need to do to get to the top of the hill?
Tuesday, March 12, 2013 at 2:01am

Reading
Is these answers correct? devoid intimidate jeopardize sneer implore introvert sibling vivacious infuriate smug 1-2. The people I love best can __ me the most. No one can make me as angry as my parents and __s can. 3-4. Please don't __ me to help you with your term paper. ...
Tuesday, March 12, 2013 at 1:39am

Chemistry
I was given extra credit to find who Le Châtelier's High School Principal was. Not his PrincipLE, but his PrincipAL. My chemistry teacher told us only one student of his out of all these years came with the answer. Think outside of the box. Thanks.
Monday, March 11, 2013 at 9:12pm

physics
What would the gravitational potential energy be if the bucket were raised six times as high?
Monday, March 11, 2013 at 8:28pm

Physics
You are standing on top of a building that is 75-m high and you throw a 3-kg stone horizontally at a speed of 5.4-m/s. How far from the base of the building will the stone land? (the ground is flat)
Monday, March 11, 2013 at 7:13pm

Math
Minh is covering a necklace box with gift wrap. The necklace box is 15 centimeters long, 8 centimeters wide, and 2 centimeters high. What is the minimum surface area of the paper that will cover the necklace box?
Monday, March 11, 2013 at 5:41pm

College Math
Find the area of a triangular piece of carpet that has a 12-inch base and is 18 inches high.
Monday, March 11, 2013 at 3:59pm

speech
You are concerned about the high rate of school droupouts in your community and have recentky addressed the youth at a local secondary school who were thinking of dropping out of school and look for job.please help me its urgent the task is needed tomorrow
Monday, March 11, 2013 at 2:42pm

Math - Probabilities
There are a total of 116 foreign language students in a high school where they offer Spanish, French, and German. There are 22 students who take at least 2 languages at once. If there are 47 Spanish students, 45 French students, and 49 German students, how many students take ...
Monday, March 11, 2013 at 2:37pm

maths-parallelogram
A farmer had a plot in the shape of a parallelogram. He divided into three equal parts, each of which was a separate parallelogram. He then gave his son one-third of the land. The son, who realized that the district in which he lived had no school, decided to set one school up...
Monday, March 11, 2013 at 12:47pm

math
Given the following values, which number would be considered an outlier? 0.9, 2.1, 3.2, 3.9, 7.4, 5.8, 7.2, 8, 9.1 2.1 9.1 8 7.4 ________________________________________ I'm not sure because I was taught that an outlier is either too high or too low so it doesn'...
Monday, March 11, 2013 at 9:33am

Geometry
A 20 foot ladder is leaning aagainst a wall the base of the ladder is 7 feet away from the.wall hkw high up the wall will the ladder reacb
Monday, March 11, 2013 at 2:31am

maths
A farmer had a plot in the shape of a parallelogram. He divided into three equal parts, each of which was a separate parallelogram. He then gave his son one-third of the land. The son, who realized that the district in which he lived had no school, decided to set one school up...
Sunday, March 10, 2013 at 11:53pm

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