Friday

December 19, 2014

December 19, 2014

Post a New Question | Current Questions

**High school AP chem**

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product constant, Ksp, for Mn...
*Tuesday, April 1, 2014 at 1:52pm*

**sociology**

5. Which evidence would best support the claim that prayer in school should be allowed? @This is a holistic problem answered by studying various aspects of chapter 2. (Points : 1)
*Tuesday, April 1, 2014 at 2:47am*

**Physics**

A toy dart gun has a spring with a spring constant of 315 N/m. An 12 gram dart is loaded in the gun and the spring is compressed a distance of 7.8 cm and then shot into the air. When the dart is 5.8 meters high in the air, what is its speed? If the maximum height the dart can ...
*Monday, March 31, 2014 at 11:00pm*

**Math **

A builder replaces the original 3 1/4 foot counter tops with one that are 2 1/2 feet high. What percent of the original height is the height of the replacement counter tops? Round your answer to the nearest whole percent
*Monday, March 31, 2014 at 9:47pm*

**math**

tickets for a school play cost $4 for adults and $2 for students at the end of the play the school sold a total of 105 tickets and collected $360 how much of each type of tickets did they sell
*Monday, March 31, 2014 at 9:27pm*

**Math 25 College**

Sharlise bought a commuter pass and after riding 3 days to and from scool the pass is worth $22.40. After 6 days of riding to and from school the pass is worth $12.80. Rosa pays $50 for an unlimited rides monthly pass lasting 30 days? Can the monthly cost of these students'...
*Monday, March 31, 2014 at 3:34pm*

**Math**

Multiply a 3- digit number by a 1- digit number 1/in a package of pencils , 8 are yellow and 4 are blue . How many yellow pencils are in 426 packages? The answer: 4+8=12 12*426= 5,112 2/ A single pencil can draw a line equal to the length of 616 football fields! If you wanted ...
*Monday, March 31, 2014 at 2:52pm*

**Math**

The ratio of the number of boys to the number of girls in Mr. Brown's class is 5:4. Which of the following can be calculated using the information given? A. The number of girls in Mr. Brown's class B. The number of boys in Mr. Brown's class C. The ratio of the ...
*Sunday, March 30, 2014 at 8:02pm*

**Math**

In Mrs. Julie's classroom the ratio of boys to girls is 12 to 8. If the entire elementary school has a population of 400 students, how many would you expect to be girls?
*Sunday, March 30, 2014 at 7:30pm*

**US history**

True False The divorce rate in America declined in the 1920s. false right? All of the following were anti-modern reactions except A.fundamentalism B. Ku Klux Klan C. cultural anthropology D. arts and crafts movement E. prohibition F. None of the above Is it D? Fundamentalists ...
*Sunday, March 30, 2014 at 6:29pm*

**physics**

a student drops an object out the window of the top floor of a high-rise dormitory a) neglecting air resistance, how fast is the object traveling when it strikes the ground at the end of 3.0 s? express the speed in mi/h for a familiar comparison, b) how far, in meters, does ...
*Sunday, March 30, 2014 at 5:09pm*

**physics**

a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?
*Sunday, March 30, 2014 at 4:18pm*

**math**

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. c.At least 4...
*Sunday, March 30, 2014 at 2:34pm*

**English**

Embed a quotation from an interview that you conducted. " I suggest that you study hard in college, but get a job too. Jobs teach much more than a school ever does." Workman, Tom. Personal Interview. 25 Feb. 2007.
*Sunday, March 30, 2014 at 1:51pm*

**math**

2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college at least 4
*Sunday, March 30, 2014 at 1:33pm*

**math**

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. all 11
*Sunday, March 30, 2014 at 11:59am*

**math**

In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in college. a. Exactly 7 b...
*Sunday, March 30, 2014 at 9:32am*

**Chemistry**

In this experiment NaOH is standardized to titrate it with vinegar so thtat the percent by mass of the acetic acid can be determined. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? How is the term acid...
*Saturday, March 29, 2014 at 12:36pm*

**Chemistry**

In this experiment NaOH is standardized to find out the percent by mass of the acetic acid in a sample of vinegar. A student had not allowed the NaOH pellets to dissolve completely before standardizing it with KHP, but when the student refilled the buret with NaOH to titrate ...
*Saturday, March 29, 2014 at 12:32pm*

**Stats **

The high temperature X (in degrees Fahrenheit) on January days in Columbus, Ohio varies according to the Normal distribution with mean 21 and standard deviation 10. The value of P(X < 10) is
*Saturday, March 29, 2014 at 10:00am*

**Chemistry**

Titration was used to determine the molarity of acetic acid in vinegar. A primary standard solution of KHP was used to standardize the NaOH. 1. When performing this experiment, impure KHP was used to standardize the NaOH solution. If the impurity is neither acidic or basic, ...
*Friday, March 28, 2014 at 10:32pm*

**Language Art (Please Check)**

1.C 2.A 3.C 4.C 5.D 6.D 7.B 1.She was rivaling the mayor by A.sending money to him. B.voting for him. C.running against him. 2.In which of the following situations would you be most likely to be caught up in a commotion? A.a riot B.a math exam C.a school assembly 3.Which of ...
*Friday, March 28, 2014 at 10:53am*

**geometry**

Two buildings are separated by an alley. Joe is looking out of a window 60 feet above the ground in one building. He observes the measurement of the angle of depression of the base of the second building to be 50 degrees and the angle of elevation of the top to be 40 degrees. ...
*Thursday, March 27, 2014 at 9:14pm*

**Physics**

Pressure = weight density × depth Calculate the water pressure at the bottom of the 50-m-high water tower shown in the photo. Express your answer to two significant figures and include the appropriate units
*Thursday, March 27, 2014 at 3:29pm*

**who dare to give the answer!**

i have passed class -9 with 10 CGPA.in DAV public school,and it is affiliated to CBSE.but,now i want to change my school.and take admission in class -10 in a different school,and it is also affiliated to CBSE board,under the same zone.is it possible for me?please explain the ...
*Thursday, March 27, 2014 at 8:43am*

**physics**

Others say that the balloon was 23 metres high and 14 metres wide. Calculate the temperature of the air in the balloon (in degrees Celsius) for this situation as well
*Wednesday, March 26, 2014 at 11:56pm*

**Science**

If an astronaut could hop 40 cm high on Jupiter, how high could he or she jump on earth? On the moon? Please help me fast I have a bunch of questions over this and I have no idea what this even means
*Wednesday, March 26, 2014 at 7:21pm*

**Math**

Jayce wants to paint her room Duke Blue.Her room is 12 ft long ,12 ft 10inches wide, and 10ft high.If Dylan insists she paint her ceiling white, about how many cans of blue paint will she need to buy to paint the walls.One can covers 120 square feet. Ignore the windows and ...
*Wednesday, March 26, 2014 at 5:34pm*

**L.A**

Read this sentence from New Directions.When we came from school, the wall was slick with white.Which meaning of the word slick is used in the sentence above? A.impressive and efficient<---- B.wet and slippery
*Wednesday, March 26, 2014 at 5:19pm*

**Health and Physical **

6. Winston’s baseball team had the bases loaded in the last inning when his friend Freddie watched three straight pitches go by without swinging and was called out on strikes to end the game. How can Winston demonstrate responsible behavior in this situation? Ask the ...
*Wednesday, March 26, 2014 at 3:00pm*

**Health and Physical**

1. Melody enjoys playing team sports, such as baseball and soccer. Which organization would provide her the best opportunity to participate in these activities? Parks and recreation center********* Private school A local gym A faith based organization 2. Abner participates on ...
*Wednesday, March 26, 2014 at 1:44pm*

**education**

Teacher observations are vital to the promotion and maintenance of children's health status because: A. they provide a baseline of typical behavior and appearance of each child. B. teachers have primary responsibility for children's health care while they are attending...
*Tuesday, March 25, 2014 at 5:20pm*

**GENETIC HYPOTHESIS**

AIM:TO DETERMINE THE NUMBER OF GR.10-12 THAT CAN ROLL THEIR TONGUE(rollers) AT SCHOOL. 1)fomulate a hypothesis. MY ANSWER:GR.11 HAS M0RE LEARNERS THAT CAN ROLL THEIR TONGUE (is it correct and any tips to master ths)
*Tuesday, March 25, 2014 at 3:07pm*

******HELP**** STATISTIC**

The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during construction of a new ...
*Tuesday, March 25, 2014 at 1:48pm*

**social studies check answers**

1.C 2.D 3.A 4.D 5.C 6.B 7.D 8.B 9.B 10.A 1.The story of Omar best reflects A. opportunities for people in the Pampas. B. struggles faced by families who work the mines of the Andes. C. hardships undertaken by indigenous farming families. D. benefits of urban life along the ...
*Tuesday, March 25, 2014 at 12:38pm*

**Geometry**

A fighter plane observes a target on the ground with an angle of depression of 21 degrees. The target is 3.5 miles away along a direct line of sight. How high is the fighter plane? Round to hundredths. Please help!
*Monday, March 24, 2014 at 11:33pm*

**Music**

So I can't follow links, but I am doing a slideshow about losing someone you care deeply about, (yes it is for school) and I am trying to find a certain song. It is country, I cannot remember the name of the song or the artist, but i know that it is two names (the artist, ...
*Monday, March 24, 2014 at 6:48pm*

**Health**

A swimmer would like to improve his time in the 100 yard freestyle race. After talking to his coach, he intends to focus on one critical element at the beginning of the race. This swimmer will try to improve his 100 yard freestyle time by improving his (1 point) Power of the ...
*Monday, March 24, 2014 at 5:52pm*

**Treaty of Paris, quick question, thanks! ☺**

The Treaty of Paris in part included returning to where exactly? I cannot remember and I am writing a paper for school in which I need to know where they went to. Thanks! ☺ ~katt
*Monday, March 24, 2014 at 5:39pm*

**Help Please Statistic**

7. The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during construction of a new ...
*Monday, March 24, 2014 at 4:28pm*

**MATH**

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
*Monday, March 24, 2014 at 3:14pm*

**physics **

if you throw a 0.2 kg ball straight up at 8 m/s how high will it go
*Monday, March 24, 2014 at 12:05pm*

**chemistry**

2. When preparing a NaOH solution, a student did not allow the NaOH pellets to completely dissolve before standardizing the solution with KHP. However, by the time the student reﬁlled the buret with NaOH to titrate the acetic acid, the remaining NaOH pellets had ...
*Monday, March 24, 2014 at 7:50am*

**Physics**

Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.75-kg ball swings downward and strikes a 4.40-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.75-kg ball just before ...
*Sunday, March 23, 2014 at 7:36pm*

**chemistry**

1. When performing this experiment, a student mistakenly used impure KHP to standardize the NaOH solution. If the impurity is neither acidic nor basic, will the percent by mass of acetic acid in the vinegar solution determined by the student be too high or too low? Justify ...
*Sunday, March 23, 2014 at 3:05pm*

**Physics**

if you throw a 0.2 kg ball straight up at 8 m/s how high will it go
*Sunday, March 23, 2014 at 2:14pm*

**Basic Spanish **

My grandson need tutoring in basic Spanish to improve translate from Spanish to English in writing assignments, &grammar . Do you have review , similar to Khanacademy ? He needs tutoring to improve basic Spanish , has no tutoring in his school. Thank you
*Sunday, March 23, 2014 at 8:46am*

**physics **

if you throw a 0.2 kg ball strait up at 8 m/s how high will it go
*Sunday, March 23, 2014 at 7:48am*

**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 22, 2014 at 3:47pm*

**focus high school**

What percentage of all infertile American women are infertile because of tubal damage caused by untreated STD?
*Saturday, March 22, 2014 at 3:20pm*

**Algebra**

Please explain how to do this problem. The answer says the answer is 2.43 inches, but I don't get it. A school wants to take out an ad in the paper congratulating a basketball on a successful season. The area of the photo will be half the area of the entire ad. The photo ...
*Friday, March 21, 2014 at 9:45pm*

**Physics**

A ball is traveling down a straight track at 20 m/s. How fast will the ball's speed be after it climbs a hill in the track that is 15 m high?
*Friday, March 21, 2014 at 4:43pm*

**scholarship essay edit**

can someone edit this? Throughout my life’s journey, I have come to attain two true passions - the first one being English studies. Since the very dawn of childhood, I have been known to bleed the calligraphic content of Gary Soto's brilliant poetry and breathe the ...
*Friday, March 21, 2014 at 1:23pm*

**Language Arts**

Why is the statement "The bill will be too harsh" an opinion? a. it can be proved b. it can be supported with evidence c. it is someones belief ** d. it is true. Which statement is an appeal to emotions? a. The bill unfairly targets one group for unusually harsh ...
*Friday, March 21, 2014 at 12:57pm*

**Math HELP!!!!!!!!**

A superhero is trying to leap over a tall building. The function f(x)=-16x^2+200x gives the superheroes height in feet as a function of time. The building is 612 feet high. Will the superhero make it over the building? Explain.
*Thursday, March 20, 2014 at 8:42pm*

**Language arts help!!**

1–6, read the play excerpt below and answer the questions that follow. 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—...
*Thursday, March 20, 2014 at 8:20pm*

**Math**

A superhero is trying to leap over a tall building. The function f(x)=-16x^2+200x gives the superheroes height in feet as a function of time. The building is 612 feet high. Will the superhero make it over the building? Explain.
*Thursday, March 20, 2014 at 7:36pm*

**Statistics **

1. A sports researcher gave a standard written test of eating habits to 12 randomly selected professionals, four each from baseball, football, and basketball. The results were as follows: Eating Habits Scores Baseball Players Football Players Basketball Players 34 27 35 18 28 ...
*Thursday, March 20, 2014 at 4:20pm*

**AED**

As we analyze Western thought vs. Eastern thought, we also should take a look at the application of each school of thought is applied. Lets say that American schools reform to include eastern philosophy in its curriculum. What steps would have to occur to prepare our students ...
*Thursday, March 20, 2014 at 3:52pm*

**Language Art (Please Check)**

3.A 4.D 3.Which of the following sentences contains a verb that agrees with its subject? A. The memories of her friend stay with her. B. Friends of the family helps them. C. Some people from the neighborhood gives them extra food. D. Sacks of mail is waiting at the main gate. ...
*Thursday, March 20, 2014 at 2:06pm*

**Science!**

2. What is the momentum of a 20.0 kg scooter traveling at 5.00 m/s. 4.00 kg m/s 20.0 kg m/s 25.0 kg m/s 100 kg m/s <---- 3. Which of the following describes the relationship between friction and inertia? When there is more friction, there is less inertia When there is less ...
*Wednesday, March 19, 2014 at 4:42pm*

**College 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?
*Wednesday, March 19, 2014 at 2:49pm*

**Physics**

Bats chirp at a high frequency which humans cannot hear. They use the echoes to detect small objects, such as insects, as small as one wavelength. If a bat were to emit a chirp at a frequency of 60.0 kHz and the speed of sound waves in the air are 340 m.s, what is the size in ...
*Wednesday, March 19, 2014 at 2:15pm*

**math**

If a school canteen makes 72 sandwiches and sells 5/6 of them how many are sold
*Wednesday, March 19, 2014 at 9:23am*

**Math**

A 15-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 12 feet from the base of the building. How high up the wall does the ladder reach?
*Tuesday, March 18, 2014 at 9:34pm*

**science**

What describes the charecteristics of a liquid? A.) It has a fixed volume and shape. B.) It has high energy and expands to fill the container. C.) It has fixed volume and varied shape. D.) It has no fixed volume or shape.
*Tuesday, March 18, 2014 at 8:31pm*

**Eric **

Are these correct? 1. Which of the following is a correct statement about homeostasis? a. The effector sends the stimulus to the control center b. The receptor is enhanced by the control center c. The response causes disease d. The receptor sends the stimulus to the control ...
*Tuesday, March 18, 2014 at 6:36pm*

**help i have no idea!!!!!!**

2.The distance between Jill's home and her school is 400 meters. She walked 1m/s for five minutes. How many meters does she still have to travel to reach her school?
*Tuesday, March 18, 2014 at 5:49pm*

**Personal**

I have a question about like life... it relates to school as well. Like I have a huge project due THIS Thursday and I helped take care of my friends dogs and I have to take pictures of them and my friend says I can take them now and when I ask her she always says she can't...
*Tuesday, March 18, 2014 at 5:30pm*

**4th grade math**

In the school walkathon, Bev walked 2 1/5 miles, Dennis walked 3 2/10 miles, and Natalie walked 2 3/5 miles. what was the total distance they walked. write your answer as a whole number and as an improper fraction.
*Tuesday, March 18, 2014 at 5:22pm*

**Floral design**

During April, a customer asks you to create an arrangement for an invalid friend who must stay at home for five more days. The invalid friend loves flowers, especially fragrant ones. The amount the customer is willing to spend on the arrangement for this dear friend is so high...
*Tuesday, March 18, 2014 at 3:04pm*

**social studies**

1.D 2.B 4.C 1. the monumental cities of the incas demonstrated their A. extensive trade networks B. high level of organization C. interest in astronomy D. dependence on farming. 2. How does jose de san martin contribute to the formation of nations in the region? A. he became ...
*Tuesday, March 18, 2014 at 2:50pm*

**grammar**

In The Space Before Each of the Following items, place a C if the capitalization is correct, a zero (0) if it is incorrect. Then insert capitals where should be, and draw a line through capitals that should be small letters. 1.the Rocky Mountains i got C 2.my spanish course i ...
*Tuesday, March 18, 2014 at 2:46pm*

**science quiz pls help!!!**

In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True False***? 2. What is the momentum of a 20.0 kg scooter traveling at 5.00 m/s. 4.00 kg m/s 20.0 kg m/s 25.0 kg m/s 100 kg m/s*** 3. Which of...
*Tuesday, March 18, 2014 at 12:30pm*

**health**

Drinking in moderation or not drinking at all will typically lead to? A. Weight gain B. Heart disease C. Weight loss D. High blood pressure
*Tuesday, March 18, 2014 at 12:18pm*

**AMERICAN HISTORY**

WHICH HIGH FEDERALIST TRIED TO CRUSH INTERNAL POLITICAL DISSENT AFTER XYZ A. JOHN ADAMS B. GEORGE WASHINGTON C. ALEXANDER HAMILTON D,THOMAS JEFFERSON
*Tuesday, March 18, 2014 at 12:01pm*

**Chemistry**

Determination of Ksp, ΔG°, ΔH° and ΔS° for Ca(OH)2. *** Need help on problem #3 & #4 *** CALCULATIONS: 1. Calculate the average solubility of calcium hydroxide, Ca(OH)2, at each temperature. 2. Calculate the Ksp for Ca(OH)2 at each temperature. 3. ...
*Tuesday, March 18, 2014 at 3:30am*

**math**

a poll finds that 24 of 40 students prefer the zoo for their next field trip. The school has a total 340 students. About how many students at the school would prefer zoo?
*Tuesday, March 18, 2014 at 12:32am*

**Science**

1. In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True <---- False 2. What is the momentum of a 20.0 kg scooter traveling at 5.00 m/s. 4.00 kg m/s 20.0 kg m/s 25.0 kg m/s 100 kg m/s <...
*Monday, March 17, 2014 at 11:56pm*

**Science -Check Answers-**

1. In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True <---- False 2. What is the momentum of a 20.0 kg scooter traveling at 5.00 m/s. 4.00 kg m/s 20.0 kg m/s 25.0 kg m/s 100 kg m/s <...
*Monday, March 17, 2014 at 10:38pm*

**math**

a 15 foot ladder is placed against a vertical wall of a building with the bottom of the ladder stand on level ground 12 feet from the base of the building. How high up the wall does the ladder reach?
*Monday, March 17, 2014 at 10:33pm*

**help ms sue lang arts**

For Questions 1–6, read the play excerpt below and answer the questions that follow. 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 ...
*Monday, March 17, 2014 at 7:04pm*

**MS.SUE**

thats my other 2 sisters we go to the same school in the same grade and how do u know our current location
*Monday, March 17, 2014 at 4:03pm*

**social studies**

1.why must omar and his brothers work in the mines? A.they cannot attend school B.their mother cannot support them C.they have no other job prospects D.they do not know another trade
*Monday, March 17, 2014 at 3:06pm*

**Physics**

A high efficiency natural gas furnace is 92% efficient. How many joules of output energy will 750kJ of input fuel provide? Please help! Thank you.
*Monday, March 17, 2014 at 1:57pm*

**French school**

How many days do students go to school in France? On which days do they not go to school?
*Monday, March 17, 2014 at 7:50am*

**math**

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.
*Sunday, March 16, 2014 at 1:32pm*

**Geometry**

Christopher wants to determine how far away a helicopter is from where he is standing. He knows the helicopter is sitting on the edge of a roof of an apartment building that is 400 feet high and 1,050 feet from where he is standing. Using the information in the drawing, ...
*Sunday, March 16, 2014 at 11:41am*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Saturday, March 15, 2014 at 11:27pm*

**math**

A 10 foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 8 feet from the base of the building. How high up the wall does the ladder reach.
*Saturday, March 15, 2014 at 11:01pm*

**English**

Timmy Turner was rushing to get to school because he was going on a field trip. Timmy felt so happy and excited that he was going on his first field trip of the year. Timmy thought that everything was going to go good that day. a)first person b) second person c) third person I...
*Saturday, March 15, 2014 at 7:48pm*

**physics**

A 200 kg piano is suspended by a rope from a high building. (Assume the mass of the rope is zero). a. What is the weight of the piano? b. What is the tension of the rope? c. The piano is now hoisted up with an initial acceleration of 1 m/s. What is the minimum value of the ...
*Friday, March 14, 2014 at 9:10pm*

**Statistic**

In a survey of students at a local high school, 30% of the students said they liked tater tots and 15% of the students said they like French fries. If every one of the students who said they like French fries also said they like tater tots, what proportion of the students ...
*Friday, March 14, 2014 at 4:39pm*

**Phys/Ed Please Help**

1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. A. balance B. coordination C. power D. speed 2. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put ...
*Friday, March 14, 2014 at 1:27pm*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Friday, March 14, 2014 at 12:33pm*

**Physic A Level **

A lift cable which is 50m long ,is made from high tensile steel of Young Modulus 2.0x 10^11 Pa. the cable is made from 100 wires each of radius 2.0mm . Calculate the extra extension in the cable when 10 passengers pile into the lift ,the total mass of the passenger is 500kg .
*Friday, March 14, 2014 at 6:47am*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Friday, March 14, 2014 at 1:16am*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Thursday, March 13, 2014 at 10:21pm*

**math**

Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ...
*Thursday, March 13, 2014 at 4:29pm*

**MATH**

Joe puts 5 books in his backpack as he leaves for school. He has 2 math books, 1 science book, and 2 history books. What is the probability that he will grab his science book out of his backpack without looking? I think 1/5 Jacquie has 4 sweaters that go with her new jeans. ...
*Thursday, March 13, 2014 at 4:09pm*

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