Tuesday
July 22, 2014

Homework Help: High School

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Writing
for this profile story i'm doing one of my sentences was Originally from central Indiana, Gilbert did not grow up in a diverse neighborhood, nor did she attend a diverse school system. My teacher told me to elaborate on when I say diverse.. Is this better? Growing up in ...
Tuesday, April 9, 2013 at 9:06am

science
1. _____ is the process by which food is broken down so that nutrients can be used by the body. (1 point) Absorption Digestion Elimination Ingestion 2. What type of digestion takes place in the mouth? (1 point) chemical mechanical chemical and mechanical neither chemical nor ...
Monday, April 8, 2013 at 7:51pm

algebra 2
Students at a high school all took the same English test. The scores are approximately normally distributed with a mean of 77 and a standard deviation of 9. If 2500 students took the test, approximately how many scored above 86 or below 68%?
Monday, April 8, 2013 at 5:09pm

algebra 2
In a high school, 35% of the 3500 students participate in sports. The school board is proposing a participation fee to help with costs. To get student opinion, the school board randomly selects a committee of 6 students to join a discussion of the proposal. That is the ...
Monday, April 8, 2013 at 5:06pm

Albebra 2
A school wants to determine the average time it takes students to get to school. Every student coming off the bus is surveyed. What is the sampling method used? Does the sample have a bias?
Monday, April 8, 2013 at 5:03pm

algebra.. HELP ME!!
Mai spends 7 3/4 hours in school each day. Her lunch period is 1/2 hour long, and she spends a total 7/10 hour switching rooms between classes. The rest of her day is spent in 6 classes that are all the same length. How long is each class?
Monday, April 8, 2013 at 4:53pm

aig math(Ms.Sue)
Your school librarian has asked your class for some help on the purchase of some new bookcases with 2 shelves each. She has 300 new books she needs to shelve. 1/2 of the books are half an inch thick. 1/3 of them are 1/4 of an inch thick, and the rest are three fourths of an ...
Monday, April 8, 2013 at 4:27pm

Statistics help Please
The table below reports birth weight and whether the mother smoked for 189 pregnancies. If Smoking and Birthweight were independent, then we would expect the number of low birth weight babies born to smoking mothers to be: (???/???) * ??? = 23.1 The residual for the ...
Monday, April 8, 2013 at 4:04pm

M.H.S
Marry claims that she can shoot a stone 50m vertically high using slingshot .what is the relationship of the height reached by the stone and initial velocity of it?
Monday, April 8, 2013 at 3:59pm

jardan high. general science
water,anchorge,photosynthesis,mineral,fo​od,support. The main functions of roots are { } and taking in { } and { }. The stems { } the other parts of the plant and transport { },{ } and around the plant.the leaves are the main part making { } by { }.
Monday, April 8, 2013 at 2:43pm

Algebra
the angle of elevation from bottom to the top of the mountain has a measure of 60 degrees. suppose a ski lift to the top is 2000 feet long. how high is the mountain to the nearest feet? Am I suppose to find the sine of 60?
Monday, April 8, 2013 at 2:31pm

Masemola high school
Two institution or organisations that are involved in supporting or giving redress to these disasters. Teenage pregnancy, lack of infrastructure and genetically modified foods.
Monday, April 8, 2013 at 1:38pm

English (Check Please)
1. The speaker’s use of many exclamation points and imperative statements in “Beat! Beat! Drums!” helps readers feel the tone’s (Points : 3) humor. urgency. quiet calm. high spirits. 2. With what kind of life are the images in the second stanza of “...
Monday, April 8, 2013 at 12:11pm

Chemistry
If the strips of MG ribbon are coated with white MgO, would this cause the mass of Mg that you calculate to be too high or too low? Why?
Monday, April 8, 2013 at 11:57am

Chemistry
If your partner did not take into account the vapor pressure of water when calculating the moles of hydrogen produced, would the mass of Mg that was calculated at the end of the experiment be too high or too low? Why?
Monday, April 8, 2013 at 11:56am

Probability
A school is running a raffle for two prizes. 59 tickets were sold for the raffle, numbered 1,…,59. All the tickets are put into a hat and a teacher picks out two tickets which have numbers i and j from the hat. What is the expected value of |i−j|?
Monday, April 8, 2013 at 8:48am

English
1. He is doing voices of the former President Kim Youngsam at the school talent show. 2. He is imitating the voices of the former President Kim Youngsam at the school talent show. 3. He is mimicking the voices of the former President Kim Youngsam at the school talent show. (...
Sunday, April 7, 2013 at 11:31pm

English
Pansori is a kind of Korean folk play. 1. Bill is doing pansory at the school talent show. 2. Bill is presenting pansory at the school talent show. 3. Bill is acting out pansory at the school talent show. (Q1: Which one is correct in the sentences above? Q2: Do we have to use...
Sunday, April 7, 2013 at 11:03pm

grammar English
I am writing about interviewing Deaf Persons for my ASL research paper. The first person is Christian DeGuzman. He is profoundly deaf since birth, and about 2 or 3 years old later they found out that he was deaf that’s why. Christian grew up in Bay Area, went to ...
Saturday, April 6, 2013 at 10:21pm

Poetry
Please check this. "Hope is the thing with feathers That perches in the soul, And sings the tune--without the words, And never stops at all, "And sweetest in the gale is heard; And sore must be the storm That could abash the little bird That kept so many warm. "...
Saturday, April 6, 2013 at 9:36pm

poetry...
"Hope is the thing with feathers That perches in the soul, And sings the tune--without the words, And never stops at all, "And sweetest in the gale is heard; And sore must be the storm That could abash the little bird That kept so many warm. "I've heard it ...
Saturday, April 6, 2013 at 8:02pm

LA 101-STUDY SKILLS
How can i write a thesis statement for this statement:The target for achieving universal primary education is that by 2015, children everywhere,both boys and girls must complete full cycle of primary school.
Saturday, April 6, 2013 at 2:15am

Math
A 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 ...
Saturday, April 6, 2013 at 1:08am

math
tom,jack and joe are the fastest runners in the school.if they race one another,without dead heats,how many combinations can they finish in if they occupy the first 3 places ?
Friday, April 5, 2013 at 11:00pm

epidemiology
In a study examining associations between level of education and response to the Philadelphia Public Health Department’s emergency messages to “shelter in place” (meaning stay in your home) following an accidental release of chemicals from the Sunoco refinery in...
Friday, April 5, 2013 at 5:28pm

early chlhood
Ms. Sue you do not know me and I do not know you. I am not a cheater because I have a lot going on in my life. My husband has stage four cancer and I am trying to finish school and also take care of my two small children. I watching my husband die in front of my eyes and that ...
Friday, April 5, 2013 at 3:11pm

physics
A police offer may warn that “speed kills.” In video games, high-speed crashes are common. Suppose a particular scene in a game required the following elements: • a high performance motorcycle must crash into a barrier and be stopped • a small scooter must ...
Friday, April 5, 2013 at 1:46pm

English
Any drinks that start with Q? Doing this thing for school where we have 10 topics and 1 of them is drinks and I cant think of a drink that starts with Q. Name things of that topic from A-Z of the alphabet
Thursday, April 4, 2013 at 5:58pm

abc
Alice, Bob, Candice and David run for school president. There are 201 students in the school and each student can vote for only one candidate. The person with the largest number of votes is the winner. If every student votes, what is the minimum number of votes needed to win ...
Thursday, April 4, 2013 at 4:30pm

anatomy physiology/check please
Muscular dysgenesis or dysgeny is a lethal, recessive, genetic disease of mice that is caused by a mutation in the mdg gene. Skeletal muscles from dysgenic mice are paralyzed and the animals die shortly after birth. You are a research scientist interested in the finding the ...
Thursday, April 4, 2013 at 2:44pm

physical
Rank the following 3 classes of materials in order of increasing typical Young's Modulus: metals such as copper, plastics such as HDPE (high density polyethelene), and ceramics such as alumina (Al2O3). Do not look up the values of Young's Modulus, instead base your ...
Thursday, April 4, 2013 at 1:18pm

7th Grade Language Arts
4. The Latin word alius means "other." Which of the following words contains this root? (1 point) alien alight alike alignment 5. The Anglo-Saxon root sla- means "to strike." Which of the following words does not share this root? (1 point) slap slaughter ...
Thursday, April 4, 2013 at 1:14pm

science
Pls how can I carry out qualitative analysis on iron 11 ammonium sulphate hexahydrate (NH4)2SO4.FeSO4.6H2O in a secondary school laboratory?
Thursday, April 4, 2013 at 12:25am

Math
A national survey shows that 13 out of every 25 middle school students have cell phones Patton MIddle School has 475 students about how many students can have cell phones 38 273 247 325 325?
Wednesday, April 3, 2013 at 10:19pm

Math
1.There are 240 boxes of caramel popcorn on the grocery store shelf. IF 2 out of every 15 boxes contain a secret decoer ring as a prize how many boxes can be expected to contain a secret decoder ring? A.30 B.24 C.16 D.32 C 2.The ratio of green tiles to purple tiles in the art ...
Wednesday, April 3, 2013 at 9:16pm

Chemistry
What effect on the molar mass of the unknown acid would each of the following have-that is-would it make the calculated molar mass high, low, or would it have no effect? 1. Adding 5 drops of phenolphthalein instead of 1 drop. 2. Using a standard NaOH solution that has been ...
Wednesday, April 3, 2013 at 7:34pm

physics
Romeo is trying to climb a ladder placed 3 meters away from a 4 meter high tower where Juliet is stuck. He weighs 110 kg, the ladder weighs 25 kg. Can Romeo climb to the top of the ladder? If so, can he bring Juliet back down with him?
Wednesday, April 3, 2013 at 6:26pm

math
The school parking lot had room for thirty cars. If all the spaces except six were filled, what fraction of the parking lot was in use? If Mrs. Johnson parks in one of the empty spaces, how does the fraction change? Please answer and explain.
Wednesday, April 3, 2013 at 6:21pm

chemestry please check my anwers.
1.How do acid-base reactions differ from oxidation-reduction (or "redox") reactions? Answer Acid-base reactions involve an exchange of protons whereas redox reactions involve an exchange of electrons.<<< Acid-base reactions and redox reactions involve ...
Wednesday, April 3, 2013 at 5:27pm

English
The classroom has 10 short/low chirs, 10 tall/high chairs, 10 small desks, 10 big desks, 5 windows, and 20 lockers. (Did I use correct adjectives? Would you check them?)
Wednesday, April 3, 2013 at 5:11pm

math x
8. The Chicago Public School system has about 680 schools. About 130 of the schools will be closed. If five schools are chosen at random find the probability that at least 3 of them will be closed.
Wednesday, April 3, 2013 at 4:59pm

math statistic
The Chicago Public School system has about 680 schools. About 130 of the schools will be closed. If five schools are chosen at random find the probability that at least 3 of them will be closed.
Wednesday, April 3, 2013 at 3:51pm

physics
A 5.11-kg pendulum bob, at a height of 0.730 m above the floor, is released and swings down to the ground where it collides elastically with a 2.29 kg block initially at rest. The block then slides up a 31.0° incline. Find how high up the incline the block will slide if (a...
Wednesday, April 3, 2013 at 12:23pm

stastics
solving problem the chicago public school system has about 680 schools about 130 of the schools will be closed. if the five schools are chosen at random find the probability that at least three of them willl be closed
Wednesday, April 3, 2013 at 10:21am

English
At the school talent show, Tom is doing voices of the formal President. Don is presenting a pansori, a kind of folk play. David and Tony are singing Oh! Susanna to a piano. (Would you check the passage? Correct errors, please.)
Wednesday, April 3, 2013 at 8:07am

Hans kekana high school
Critically discuss 10 ways in which the environmental health hazard can impact negatively on ones health
Wednesday, April 3, 2013 at 7:48am

college physics
a tennis ball is thrown straight up with an initial velocity of 22.5 m/s. it is caught at the same distance above the ground. a). how long does it take to reach its maximum height? b). how high does the ball rise? c). at what speed does it hit the ground? d). what total length...
Tuesday, April 2, 2013 at 11:53pm

Chemistry
Some antacid tablets actually contain a mixture of calcium carbonate and magnesium hydroxide (though they usually have the same “strength” as those that only contain CaCO3). If this had been the case for the antacid you tested, but you still assumed it only contained...
Tuesday, April 2, 2013 at 9:54pm

Chemistry
1. If a student forms CaCO3 from the presence of carbon dioxide, but continued with the trial anyway, how would this affect his/her calculations (too high, too low, or no effect)? Explain your answers. a) The volume of NaOH required for the back titration. b) The calculated ...
Tuesday, April 2, 2013 at 9:54pm

math
random sample of 9600 students. Multistage design effect similar to an SRS (for those still in school) 46% had at least one parent who was a college graduate. Estimate with 99% confidence the proportion of all students who had at least one parent who was a college grad. b) ...
Tuesday, April 2, 2013 at 9:27pm

math
one gallon of paint will cover 200 squar feet of wall. the room has walls 7.5 feet high. what is the greatest lengh of wall that can be covered by one gallon of paint?
Tuesday, April 2, 2013 at 9:04pm

Public speaking
Attitudes, beliefs, values, and motivation are characteristics of: A. psychographics. B. demographics. C. the speaker’s profile. D. the audience’s response to the speech. is it B 2. Nicole was asked to speak to the French Club about her trip to Northern France. She ...
Tuesday, April 2, 2013 at 8:39pm

Math HELP!!!
The booster club sold tickets to a high school basketball game. They sold 700 student tickets and 500 general admission tickets, and raised a total of $5000. The combined cost of one student ticket and one general admission ticket was $8. The equations and graph below can be ...
Tuesday, April 2, 2013 at 6:26pm

math
Max,Owen,Elise, and Cara went to a school carnival. They each played the dart throw,ring toss,water shoot,and basketball throw. Each student won a different game. CLUES:*Max didn't score any points at the dart throw. * Elise correctly tossed 2 rings, but did not win the ...
Tuesday, April 2, 2013 at 6:20pm

Algebra 1
The student council is buying school T-shirts to sell during a fundraiser. The cost (y) of school T-shirts is a linear function of the number of T-shirts bought (x). The student council can buy 100 T-shirts for $825 and 300 T-shirts for $2,425. Write an equation in slope-...
Tuesday, April 2, 2013 at 6:15pm

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

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...
Monday, April 1, 2013 at 11:46am

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

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

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, ...
Tuesday, March 26, 2013 at 9:43am

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

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