Thursday
May 28, 2015

Homework Help: High School

Statistics
In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children at risk. A concerted ...
Tuesday, March 10, 2015 at 10:43pm

Science Help Please
1. Which of the following correctly describes a radio wave? A. long wavelength and high frequency B. long wavelength and low frequency C. short wavelengh and low frequency D. short wavelengh and high frequency Is the answer B? 2. When the energy of a light wave is transferred ...
Tuesday, March 10, 2015 at 10:24pm

Penn Foster
06042500 Which of the following situations is an example of overall cost leadership? A. A dress manufacturer wants to make its product unique in its category B. A company that manufactures school desks is looking for ways to make its desks less expensive than its competition C...
Tuesday, March 10, 2015 at 8:52pm

math
in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it is 70 parents in 2013
Tuesday, March 10, 2015 at 8:17pm

math
in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it is 70 parents in 2013
Tuesday, March 10, 2015 at 7:59pm

ECE 311
a child who acquires a reputation for being a trouble maker? A usually has a high level of self-esteem B can easily overcome it C may experience increasing difficulty in forming friendships D also exhibits a strong degree of reactive aggression
Tuesday, March 10, 2015 at 6:52pm

Math
for a school assignment, santiago has to give three possibilities for the dimensions of a retangle that has a perimeter of 28 ft and an area greater than 30 ft. what are two other possibilities other than 10ft of base and 4 ft for height
Tuesday, March 10, 2015 at 6:03pm

math
Nikki's school day last 7 hours, 20 minutes. How many minutes does Nikki's school day last? Explain how you found the answer
Tuesday, March 10, 2015 at 4:59pm

Statistic
In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children at risk. A concerted ...
Monday, March 9, 2015 at 11:53pm

english
Fire from the Rock is a great book that I would definitely recommend to others. It is set in 1957 Little Rock, Arkansas, a city boiling over racial segregation. Black and white youths are hot blooded and hot tempered, and many adults fan these flames of anger and violence. The...
Monday, March 9, 2015 at 11:30pm

MATH!!!!! NEED HELP NOW !!!!
John rolled a standard number cube 20 times. The cube landed on the number 3 six times. What is the experimental probability that John will roll a number 3 the next time he rolls the number cube? * 3/5 2/5 3/10 7/10 There are 12 girls and 8 boys in Mrs. Laterrade's LL. ...
Monday, March 9, 2015 at 10:08pm

MATH!!! NEED HELP FAST!!!
which of the following types of information is NOT suited for display on a double bar graph? A. populations of boys and girls at three different schools B. number of records versus compact discs sold each week during a one month period at music den C. the weekly interest rate ...
Monday, March 9, 2015 at 8:40pm

Math Please Help
In a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 likes both pepperoni and banana peppers on their pizza. if 66 students were surveyed, how many students do not like banana...
Monday, March 9, 2015 at 5:31pm

Math
in a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 likes both pepperoni and banana peppers on their pizza. if 66 students were surveyed, how many students do not like banana...
Monday, March 9, 2015 at 5:09pm

Science
The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related to ...
Monday, March 9, 2015 at 12:16pm

Math
A flower planter is to be made from landscape ties that are 4 feet long, four inches high and six inches wide. Each planter is 4 ties high. Describe how to build the planters so that they are square
Monday, March 9, 2015 at 12:10pm

physics for physical science
A stone thrown vertically upwards with a speed of 12m/s from the edge of Cliff 70m high. Calculate the time the stone takes to hit the bottom of the cliff.
Monday, March 9, 2015 at 6:58am

Physics - Mini Lab
The reason I didn't do this was because I was gone the day they did this at school. And the teacher said I couldn't do it at school. So I need help and my teacher is a jerk, so I have no idea what to do. Please help me. I really need a good grade in this class. Please...
Sunday, March 8, 2015 at 8:25pm

High School Algebra II
Hey friends, I have a big assignment I've been given that I really, really could use an 100% on. I've been working on it for hours and have a decent amount done, have had teacher help, and have had friends work with me on it, but I still need help. If anyone has any ...
Sunday, March 8, 2015 at 7:24pm

laws/georgia
1. Which of the following are accurate statements regarding the origins of county government? (1 point) County seats served as social and economic hubs. County governments gave rural Georgians a voice in the legislature. The county seat contained the courthouse. all of the ...
Sunday, March 8, 2015 at 4:27pm

Math
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
Sunday, March 8, 2015 at 2:13pm

Math
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower? Round to...
Saturday, March 7, 2015 at 9:10pm

math word problem
A high school student created a remote control car that can travel 66 feet in 6 seconds. Express as a unit rate A. 11 feet/sec B. 66feet/sec C. 11sec/feet D. 6 feet/sec
Saturday, March 7, 2015 at 7:43pm

statistics
The mean cost of domestic airfares in the United states rose to an all-time high of $385 per ticket
Saturday, March 7, 2015 at 3:26pm

Math
A gift box is 15 inches long, 10 inches wide, and 3 inches high. How much wrapping paper is needed to wrap the gift box? 225 in.2 450 in.2 525 in.2(my answer) 650 in.2
Saturday, March 7, 2015 at 3:12pm

algebra
Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 5 feet off the ground and 3 feet from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?
Saturday, March 7, 2015 at 2:00pm

maths
there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows of each class for the ...
Saturday, March 7, 2015 at 10:35am

story writing
Write a story from this line :- OUR SCHOOL LIBERIAN WAS HAPPY SUDDENLY...
Friday, March 6, 2015 at 8:54pm

MaTH
the school's track team ran the 220 relay in 7 minutes 46 seconds at their first track meet. The next meet, their time was 42 seconds shorter. At the next, their improvement was twice as great. What was their total running time at the last met?
Friday, March 6, 2015 at 5:22pm

@SraJMcGin Spanish Check
Hola! SraJMcGin was helping me yesterday with my Spanish sentences,(which was very helpful). Could you please check these last two I had and see if I'm on the right track? Thank you so much! :) Directions: Re-write the Spanish sentences in the present subjunctive. 1.) She ...
Friday, March 6, 2015 at 7:53am

5th grade math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower? 1/4answer
Thursday, March 5, 2015 at 11:18pm

Math
At middle Avenue school,1/30 of students are on the track team. Of the track coach offered to buy pizza or subs for everyone 3/5 ordered pizza. What fraction of the students at middle Avenue school ate pizza? 1/30 divided by 3/5,1/30x5/3=5/90=1/18
Thursday, March 5, 2015 at 11:11pm

Math
When dropped on a hard surface, a rubber ball takes a series of bounces, each one about 4/5 as high as the preceding one. If the rubber ball is dropped from a height of 20 ft, what is the approximate distance the ball travels before coming to rest? Please explain how you got ...
Thursday, March 5, 2015 at 10:36pm

math
At a school camp, 30% of the students were boys. When 87 students left the camp after the second day, half the original number of boys were left behind, and the number of girls decreased by 20%. How many girls were at the camp in the beginning?
Thursday, March 5, 2015 at 3:29pm

Physics
A rocket moves upward, starting from rest with an acceleration of 26.3 m/s2 for 5.43 s. It runs out of fuel at the end of the 5.43 s but does not stop. How high does it rise above the ground?
Wednesday, March 4, 2015 at 9:33pm

Physical science
i push a 500n box up an inclined plane that is 4 m long and 1.2 m high. what force is applied to push the box up the ramp?
Wednesday, March 4, 2015 at 8:24pm

math
Nokia school day last 7 hours and 20 minutes how many minutes does Nikki's school day last explain how you found the answer
Wednesday, March 4, 2015 at 6:18pm

english work
Over the past ten years more than two dozen athletes have died from the medical condition known as heatstroke. Heatstroke occurs when the body’s internal temperature becomes so elevated that its cooling system begins shutting down. Who is most at risk? Surprisingly, it is...
Wednesday, March 4, 2015 at 5:28pm

Lititure
1. In the poems in this collection, who faces life with the most hopefulness and self-confidence? (1 point) the speaker in “Life Doesn’t Frighten Me” the speaker in “A Dream Within a Dream” the Oysters in “The Walrus and the Carpenter” the ...
Wednesday, March 4, 2015 at 10:03am

higher school
determine the fishers' ideal price index formular from both the laspeyre and paasche price indices formular
Wednesday, March 4, 2015 at 3:52am

Physics
Please help me with this question How much work is done by a boy of mass 70kg who ran up a flight of 31steps each15m high. Take g=10m/s^2
Wednesday, March 4, 2015 at 12:33am

Question
Im thinking of taking French for one of my electives for high school. If i ever need help would any one, be able to help me? Thank you.
Wednesday, March 4, 2015 at 12:13am

math
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet.What is the width of the basketball court? Thank you!
Tuesday, March 3, 2015 at 10:42pm

math
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet as shown in the following diagram. Thank you!
Tuesday, March 3, 2015 at 10:35pm

social studies
The North liked high tariffs on foreign goods because?
Tuesday, March 3, 2015 at 9:55pm

English
To Mr. Reed who had previously answered my question on realism in A Raisin In the Sun and told me to to write about Travis sleeping on the couch , thank you but I need to write realism in Acts 1, 2, 3 and since you thought that only the second one was wrong and isn't ...
Tuesday, March 3, 2015 at 8:36pm

math
At a school camp, 30% of the students were boys. When 87 students left the camp after the second day, half the original number of boys were left behind, and the number of girls decreased by 20%. How many girls were at the camp in the beginning?
Tuesday, March 3, 2015 at 7:08pm

Math, Analytic Geometry
Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches and the backboard ...
Tuesday, March 3, 2015 at 2:24pm

word problem
Ieda bakes 73 cupcakes and accidentally drops 5 of them. She divides them equally into 13 containers for a bake sale for the school band. How many cupcakes does Ieda have left?
Tuesday, March 3, 2015 at 12:40pm

physical science
A stone of 8 kg mass falls from the top of an 80 m-high building. Find the velocity of the stone when it reaches the ground
Tuesday, March 3, 2015 at 9:59am

utu secondary school papuanew guinea
A given mass of air has a volume of 6.0l at 1 atom.what volume will it occupy at 190mm hg if the temperature does not change?
Tuesday, March 3, 2015 at 5:06am

English
1. If I miss so much school again, how can I become a teacher? 2. If I miss so many schools again, how can I become a teacher? -------------------------- Which one is correct? Is #2 grammatical?
Tuesday, March 3, 2015 at 1:00am

ss
1. Which of the following are accurate statements regarding the origins of county government? (1 point) County seats served as social and economic hubs. County governments gave rural Georgians a voice in the legislature. The county seat contained the courthouse. all of the ...
Monday, March 2, 2015 at 7:57pm

grammar
The task was to add commas in the correct places. Did I place them correctly in the sentence below? One of the greatest classes he ever took was after school, as many of his friends left, he had to go to band practice, play the drums, guitar, and saxophone. (Personally, I ...
Monday, March 2, 2015 at 7:50pm

MATH
I dont get it. At all. HELP!! ¤Ð-¤Ð 😭 Jenna lives 4 3/10 miles from school. She estimates that she travels 4¡¿2¡¿5, or 40 miles each week. Is her estimate an overestimateor an underestimate? EXPLAIN!!!!
Monday, March 2, 2015 at 7:17pm

SOCIAL STDIES HELP!
Clyde is appearing before a judge today because he has missed 30 days of school this year without any medical excuse. Clyde is best described as (1 point) a juvenile delinquent. an unruly child. a deprived child. a guardian ad litem.*** 7. In which of the phases of the ...
Monday, March 2, 2015 at 6:19pm

Social Studies
1. Why did Japan need to rebuild its economy following World War II? because bombing had destroyed almost all of the country’s industry because Japan had a new democratic government because Japan wanted to switch to an agriculturally based economy because Japan had been ...
Monday, March 2, 2015 at 4:12pm

social studies
what is the greatest challenge facing people in turkey as a result of its diversity? 1. Turks must protect their status as the largest ethnic group 2. Turks must encourage other to follow Turkish traditions 3. Kurds must struggle to keep their cultures alive 4. Kurds must ...
Monday, March 2, 2015 at 11:55am

social studies
what is the greatest challenge facing people in turkey as a result of its diversity? 1. Turks must protect their status as the largest ethnic group 2. Turks must encourage other to follow Turkish traditions 3. Kurds must struggle to keep their cultures alive 4. Kurds must ...
Monday, March 2, 2015 at 11:27am

To "WOK..."
Please put your School Subject in the School Subject box (Examples: math, science, algebra, geography). When all you put is one letter, most tutors are not inclined to open your post since you are not following instructions.
Monday, March 2, 2015 at 8:59am

Trigonometry
From a window of one building, the angle of depression to the base of the second building is 29.5, and the angle of elevation to the top is 47.833333. If the building are 200m apart, how high is the second building?
Monday, March 2, 2015 at 8:32am

Math
0.6 of students walk to school. Of those 3/4 live within 1 mile of the school there are 640 students at the school. How many students walk to school and live 1 mile or farther from school? Thanks for the Help!
Monday, March 2, 2015 at 5:06am

Criminal Justice/Probation & Parole
The PSI: A. is based on the concept of parens patriae. B. is required in all felony cases. C. reflects classical school interest in the offender. D. None of the above I don't see A,B,C, in my textbook, so I am assuming it's D. Am I right?
Sunday, March 1, 2015 at 8:24pm

math
a traffic sign casts a shadow 6ft long while a mailbox next to it casts a shadow 3ft long. if the traffic sin is 7 ft high how tall is the mailbox
Sunday, March 1, 2015 at 5:00pm

science
A sandbag falls from a hot air balloon that is rising with a constant velocity of 15m.s 1)What is the acceleration of the bag the moment it fell from the hot air balloon? 2)What is the acceleration of the hot air balloon the moment the sandbag fell from it? 3)What is the ...
Sunday, March 1, 2015 at 2:39pm

Physics
A group of soldiers hid at the bottom and against the wall of a 100 m. high cliff. Unknown to them, the Evil rebels have positioned a cannon on top of the cliff; 8,000 m. from the edge. If the cannon has a muzzle speed of 320 m/sec, how close to the bottom edge of the cliff ...
Sunday, March 1, 2015 at 9:09am

tablun elementary school
the side of a square is 7x - 8y cm. what isthe area?
Sunday, March 1, 2015 at 7:07am

Statistics
Science scores for high school seniors in the United States are normally distributed with a mean of 78 and a standard deviation of 10. Students scoring in the top 10% are eligible for a special prize consisting of a laptop and $2,000. What is the approximate cutoff score a ...
Saturday, February 28, 2015 at 9:29pm

Chemistry
Acetone is one of the most important solvents in organic chemistry, used to dissolve everything from fats and waxes to airplane glue and nail polish. At high temperature, it decomposes in a first order process to methane and ketene (CH2=C=O).At 600C, the rate constant is 8....
Saturday, February 28, 2015 at 2:02pm

To Nombuso
I removed your post because you included personal contact information. That is not a safe thing to do online. --------------- Ask your school counselor for help. What are your grades in those classes? If they're high, then you have more choices. What do you want to do? Try...
Saturday, February 28, 2015 at 11:21am

Chemistry
Consider the uni molecular reaction cyclopropane? Propylene. The value of log A for high pressure limit is 15.17. Calculate the value of S? For the reaction. Calculate the contribution of S trans in the above reaction at 298K?
Saturday, February 28, 2015 at 7:25am

math
Each homeroom of a middle school receives 1/12 of a 5/6 acre of land. How many homerooms receive a plot of land?
Friday, February 27, 2015 at 10:38pm

ela
. In The Diary of Anne Frank, Act I, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? A. Their own homes have been destroyed by bombs. B. They are hiding from the Nazis, who have been persecuting Jews. C. The warehouse has more...
Friday, February 27, 2015 at 6:40pm

statistics
For classes of 273 students, find the mean and standard deviation for the number born on the 4th of July, Ignore leap years. For a class or 273 students, would two be an unusually high number who were born on the 4th of July? I don't know how to find how many out of 273 ...
Friday, February 27, 2015 at 4:13pm

Statistics
1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
Friday, February 27, 2015 at 1:18pm

Science
Hormones and Homeostasis 1) The human endocrine system is made up of which of the following structures? :Vessels. :Receptors. :Glands.*** :Chambers. 2. Which of the following best describes the function of the endocrine system? :It secretes chemical messengers that travel ...
Friday, February 27, 2015 at 1:16pm

Statistics
A criminologist is studying school violence, she selects a random sample of 25 adolescents aged 12 to 15 from a local middle school and asks the following,"How many times within the past school year have you been physically assaulted at school? She calculated the ...
Friday, February 27, 2015 at 1:15pm

Math
What is the potential energy in a body of mass 5kg on top of a pole 20metres high ?
Friday, February 27, 2015 at 12:32am

algebra
Plus or minus of 0.05: As measured in standard deviations, how much is a year of learning in school worth on a test? Please answer with a decimal.
Friday, February 27, 2015 at 12:24am

Math
Fran wants to cover a rectangular box with contact paper. The box is 10cm long, and 5cm wide and 5cm high. How much paper will she need to cover all 6 sides?
Thursday, February 26, 2015 at 2:34pm

Math
The table below shows the number of students from different classes of two schools who participated in a sports competition: School A 25 21 2 22 20 21 20 23 1 School B 3 2 1 5 4 2 3 4 3 Part A: How can you use box plots to compare the median and interquartile range of the data...
Thursday, February 26, 2015 at 12:12pm

school of science and tech
Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Sove for c 3
Thursday, February 26, 2015 at 7:56am

math
Organizer of school graduation does have three sections of chairs. 1120 chairs are arranged for graduates, 1400 for invited guests and 896 for lecturers. If all rows have same number of chairs, calculate the greatest number of chairs in each row if no chairs are left over? ...
Thursday, February 26, 2015 at 2:28am

math
Write Equation to Represent Situation: In the school band, there are 5 trumpet players and f flute players. There are twice as many flute players as there are trumpet players. THANK YOU
Wednesday, February 25, 2015 at 11:38pm

English
Which sentence would be correct? a) It has been some time since I attended school. b) It has been sometime since I attended school. Thank you!
Wednesday, February 25, 2015 at 8:36pm

Science
A sled and rider with a combined weight of 59 kg are at rest on the top of a hill 24 m high. (a) What is their total energy at the top of the hill? (b) Assuming there is no friction, what would the total energy be on sliding halfway down the hill?
Wednesday, February 25, 2015 at 4:23pm

social studies
why does oil bring wealth to Arabia and Iraq? A.abundance of wells B.low cost of production C.high global demand D.scarcity of water
Wednesday, February 25, 2015 at 1:48pm

Physics
The bird perched on the swing shown below has a mass of 42.7 g, and the base of the swing, y = 7.54 cm below the hook, has a mass of 133 g. The swing and bird are originally at rest, and then the bird takes off horizontally at 2.04 m/s. How high will the base of the swing rise...
Tuesday, February 24, 2015 at 11:07pm

english
please clarify : 1. i am suffering from high fever 2.i am suffering with high fever
Tuesday, February 24, 2015 at 1:22pm

alg 2
The path that a football takes can be described by the euation h=25t-5t^2 where h is the height in meters, of the football, at t, in seconds. How high is the ball after 3 seconds? h+25t-5^2 h= 25(3)-5(3)^2 h= 75- 45= 30 m
Tuesday, February 24, 2015 at 11:13am

Socials
A few days ago I posted a question about an immigration diary during the great migration period(I will link it in a comment below) in which Ms Sue and Reed replied with some tips- thank you. I am starting to write some of the diary and I still have a few questions that I have ...
Tuesday, February 24, 2015 at 1:21am

physics
A 21.0-kg child descends a slide 2.20m high and reaches the bottom with a speed of 1.40m/s . How much thermal energy due to friction was generated in this process?
Monday, February 23, 2015 at 11:37pm

3rd grade math
There are 24 students in Ms. Messing's class. Six more students walk to school than ride their bikes. The number of students that ride their bikes is the same as the number of students that are driven to school. How many students walk to school? Please only use addition ...
Monday, February 23, 2015 at 10:27pm

English
Okay, So I didn't post this one because I thought I had it right.. but now im unsure. My school appeared on the news last week because we had made an important change in our community. Our 8th grade class had planted a large garden in what was once only a vacant lot. It ...
Monday, February 23, 2015 at 8:04pm

Intro to stats
A comprehensive study of juvenile delinquency is conducted in every state-run reform school in Australia. A scale called the Antisocial Beliefs Scale is given to all juvenile delinquents. The mean (μ) of the scale is 60 and the standard deviation (σ) is 6. Assuming ...
Monday, February 23, 2015 at 7:06pm

Psych 42 (Stats)
A comprehensive study of juvenile delinquency is conducted in every state-run reform school in Canada. A scale called the Antisocial Beliefs Scale is given to all juvenile delinquents. The mean (μ) of the scale is 71 and the standard deviation (σ) is 5. Assuming that...
Monday, February 23, 2015 at 7:05pm

psychology 110 chapter 7
When Gina looks at an old photograph of her high school graduating class, a flood of memories comes rushing back. Gina finds herself going from one memory to the next. According to memory research, this process is referred to as ____________________.
Sunday, February 22, 2015 at 11:36pm

English
What sentence type is this? Gas prices are very high right now, consumers are looking for cars that get high miles per gallon.
Sunday, February 22, 2015 at 10:34pm

Math
The ratio of boys to girls in the checkers club at one school is 2:3. the number of club members is more than 20 and fewer than 30. how many club members are there?
Sunday, February 22, 2015 at 9:09pm

science
The position-time graph for a tennis ball thrown vertically upwards from the second floor of a school building is shown below.ignore all effects of air friction.The height of the second floor is 6,5m.The ball rises 0,9 m from the point of projection before it starts to fall to...
Sunday, February 22, 2015 at 4:37pm

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