Monday

March 2, 2015

March 2, 2015

Post a New Question | Current Questions

**Math**

A 10-FOOT LADDER IS PLACED AGAINST A VERTICAL WALL OF A BUILDING, WITH THE BOTTOM OF THE LADDER STANDING ON LEVEL GROUND 6 FEET FROM THE BASE OF THE BUILDING. How HIGH UP THE WALL DOES THE LADDER REACH?
*Saturday, November 30, 2013 at 8:15pm*

**English**

What kind of sentences are they and how do I diagram them? Large brains "do" not necessarily "confer" superior intelligence. I ordered materials to use in the craft school "from a supplier" in Minnesota. "This done," I outlined lesson ...
*Friday, November 29, 2013 at 11:19pm*

**math**

You have a 20-foot ladder that you are using as you paint your house. You place the ladder so that it forms an angle of 30 at the point of contact between the ladder and the ground. How high will the top of the ladder be above the ground? Please explain. thank you
*Friday, November 29, 2013 at 2:40am*

**English**

Describe these words using only Three words:radiator,stairs,fire,torch,teacher,school,rabbit,comb,radio,football,camera,toaster...
*Wednesday, November 27, 2013 at 2:33pm*

**Math**

Multiply 6,7, and 8 1/A touchdown in football is worth 6 points. How many points are 9 points worth? Answer,, 6*9=54 2/Dante walks 4 blocks to school and 4 blocks home . How many blocks does he walk in 3 days to and from school? Answer,, 4*4=16
*Tuesday, November 26, 2013 at 11:16pm*

**Can someone plz help me?**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 4. Blake sold 52 tickets to the school play, and Jane sold 8 tickets. What is the ratio, in simplest form, of the number of tickets Jane sold to the number of tickets Blake sold? (1 point) 4/27 2/13 13/2 ...
*Tuesday, November 26, 2013 at 4:41pm*

**math(help)**

for questions 1-2,estimate the sum or difference.use the benchmarks 0,1/2,and 1. 1.23/40-9/30 A.0 B.1 C.1/2 2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the cardboard strips. A....
*Tuesday, November 26, 2013 at 2:51pm*

**english**

PRIDE AND PREJUDICE The idea of Mr. Collins, with all his solemn composure, being run away with by his feelings, made Elizabeth so near laughing that she could not use the short pause he allowed in any attempt to stop him farther, and he continued: "My reasons for ...
*Tuesday, November 26, 2013 at 12:11pm*

**math**

9. A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=-x^3+7x^2-10x, where x is in thousands of dollars. a) graph without technology. b) determine the production numbers ...
*Tuesday, November 26, 2013 at 11:51am*

**physics**

if the man in figure 6.13 pulls 1 m of rope downward with a force of 100N, and the load rises 1/7 as high (about 14 cm) what is the maximum load that can be lifted?
*Tuesday, November 26, 2013 at 7:58am*

**physics**

if the man in figure 6.13 pulls 1 m of rope downward with a force of 100N, and the load rises 1/7 as high (about 14 cm) what is the maximum load that can be lifted?
*Tuesday, November 26, 2013 at 7:16am*

**Physics**

James joule measures temperature of the water at the top and bottom of the waterfalls. If one of these waterfalls is 55m high, and all gravitation energy of the water is at the top of the falls. What temperature difference would be between the water at the top and bottom? (...
*Monday, November 25, 2013 at 7:19pm*

**Physics**

James joule measures temperature of the water at the top and bottom of the waterfalls. If one of these waterfalls is 55m high, and all gravitation energy of the water is at the top of the falls. What temperature difference would be between the water at the top and bottom? (...
*Monday, November 25, 2013 at 7:18pm*

**math**

A company that manufactures a specialty line of high performance racing boats has determined that its profit margin can be represented by the equation, PM(x)=-x^3+7x^2-10x, where x is in thousands of dollars. a) graph without technology. b) determine the production numbers ...
*Monday, November 25, 2013 at 6:08pm*

**Statistics**

An industrial psychologist has a stress test that is used to determine the amount of stress that managers are under. A value of 80 or higher indicates “high stress.” The industrial psychologist believes that the managers at a large, profitable pharmaceutical firm are...
*Monday, November 25, 2013 at 5:22pm*

**Plz help :(**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. x over three equals six over nine (1 point) 18 27 2 24 3. A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is ...
*Monday, November 25, 2013 at 12:07pm*

**Analytic Geometry(Math)**

a person 6 ft. tall s standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. How high above the ground is the light bulb? if the person's head is exactly 5ft from the light bulb. how far is the person from the pole and how ...
*Monday, November 25, 2013 at 6:42am*

**math**

A school club consist of 30 male students and 13 female students. If 3 students are selected to represent the club in the student government, what is tge probability 2 will be male and 1 will be female? please help me
*Sunday, November 24, 2013 at 9:57pm*

**physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 7:05pm*

**please help me!! physics **

The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a massless string passing over a massless, frictionless pulley. The system is released from rest. a. What is the acceleration of the blocks? b. What is the ...
*Sunday, November 24, 2013 at 6:34pm*

**Trig/Precalc**

a lamp post that is 8 feet high casts a shadow 5 feet long. how tall is the person standing beside the lamp post if his shadow is 3.5 feet long
*Sunday, November 24, 2013 at 6:06pm*

**water treatment**

Which is correct for this trickling filter? a)Due to the low BOD loading rate the biomass growth will be too little. Methanol needs to be dosed to keep the biomass alive. b)Due to the high BOD loading rate the filter might clog. This can be prevented by effluent recycling in ...
*Sunday, November 24, 2013 at 7:46am*

**statistics**

For the past 20 years, the high temperature on April 15th has averaged = 62 degrees with a standard deviation of = 12. Last year, the high temperature was 68 degrees. Based on this information, which of the following best describes last year's temperature...
*Sunday, November 24, 2013 at 2:42am*

**english**

Excerpted from A Tale of Two Cities by Charles Dickens [1] Saint Antoine* had been, that morning, a vast dusky mass of scarecrows heaving to and fro, with frequent gleams of light above the billowy heads, where steel blades and bayonets shone in the sun. A tremendous roar ...
*Saturday, November 23, 2013 at 9:53pm*

**Solar Energy**

With respect to a PV module's I-V and P-V curves, and the module's operating point, consider the following statements: a) When the operating point of the PV module is on the MPP (maximum power point), \(P_{mpp} \lt V_{oc} \times I_{sc} \) b) For a given Irradiance and ...
*Saturday, November 23, 2013 at 4:13pm*

**Math help plz check my answers!**

1. Write the ratio in the simplest form. 50:10 25:5 10:2 5:1 1:5 2. Solve the following proportion. r/5= 9/21 r = 9 r = 2.14 r = 11.66 r = 37.8 3. A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is needed to make 9 ...
*Saturday, November 23, 2013 at 2:34pm*

**math**

Electron Tube Electronics made 50,000 TVs last month. If 3.5% of them were high definition, how many high definition TVs were produced?
*Saturday, November 23, 2013 at 11:51am*

**Computers (internet)**

What does it mean by "How common or acceptable is plagiarism in our school community?
*Friday, November 22, 2013 at 7:18pm*

**Math plz help me!!! URGENT!!**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...
*Friday, November 22, 2013 at 6:24pm*

**Chemistry**

some of the acetic acid splashed out the beaker when you dropped the tablets into the acetic acid. How would this affect your measurement? Would your final calculated mass of sodium bicarbonate in the tablet be artificially high or low as a result of this splashing?
*Thursday, November 21, 2013 at 5:58pm*

**Computers (internet)**

What does it mean by, "How common or acceptable is plagiarism in our school community?"
*Thursday, November 21, 2013 at 5:54pm*

**Computers (internet)**

If plagiarism occurs in a school, what actions might teachers, students, or administrators take to lower the frequency of it occurring?
*Thursday, November 21, 2013 at 5:16pm*

**waste water treatment **

QF Description Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. The dry weather flow (Qdwf) amounts 7,500 m3...
*Wednesday, November 20, 2013 at 11:10pm*

**home school**

the sum of two numbers is 42. their product is 185. what are the two numbers
*Wednesday, November 20, 2013 at 9:10pm*

**Statistics**

Most people are definitely dominant on one side of their body - either right or left. For some sports being able to use both sides is an advantage, such as batting in baseball or softball. In order to determine if there is a difference in strength between the dominant and non-...
*Wednesday, November 20, 2013 at 8:03pm*

**maths**

there are 150 children in a school . two thirds of the children have school meals. how many children is that?
*Wednesday, November 20, 2013 at 6:01pm*

**English**

Ever since Lisa auditioned for the musical Annie in the third grade, she had been seriously interested in musical theater. She loves to sing, dance, and act. She performs in two or three shows in her city each year. This year, Lisa was excited to audition for the school ...
*Wednesday, November 20, 2013 at 12:54pm*

**Math (Calculus)**

Tower 1 is 60 ft high and tower 2 is 20 ft high. The towers are 140 ft apart. A guy wire is to run from point A to the top of each tower. [See a picture of this situation on page 274 of the textbook.] How many feet from tower 1 should point A be so that the total length of guy...
*Wednesday, November 20, 2013 at 2:30am*

**Health (Ms. Sue)**

Compare the effects of stimulants, depressants, opiates, and hallucinogens on the body and behavior. A: 6. Depressants slow down a person’s behavior and the part of the central nervous system, which leads to symptoms such as drowsiness, relaxation, decreased inhibition, ...
*Tuesday, November 19, 2013 at 12:19pm*

**Physics**

A woman on a bridge 75.0m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 7.00m more to travel before passing under the bridge. The stone hits the water 4.00m ...
*Tuesday, November 19, 2013 at 10:04am*

**Health (Ms. Sue)**

Describe an effective refusal method you could use if someone were to tell you, "Here, try these new cigarettes, almost everyone in our school smokes these." A: I would use refusal skills and simply respond by saying, "No, thank you. I would rather be unique and...
*Monday, November 18, 2013 at 8:55pm*

**physical science**

A ramp is 2.8m long and 1.2m high. How much power is needed to push a box up the ramp in 4.6s with a force of 96N
*Monday, November 18, 2013 at 8:18pm*

**Health (Ms. Sue)**

What factors do you think contribute to people using tobacco in your school? A: I believe people use tobacco in my school for many reasons. Some want to fit in with friends who smoke, and others want to appear "cool."
*Monday, November 18, 2013 at 8:07pm*

**Math**

School is planning to purchase a new copy machine. The principal has narrowed the choice to two models. Superfast Deluxe and Quick Copies. He plans to purchase the machine that copies the quickest rate. Use this info to determine which one is faster. Quick copies: c=1.5t where...
*Monday, November 18, 2013 at 5:46pm*

**Marketing **

Are investment spending market tests a good strategy or a waste of time and overly cautious? I'm working on a case study and I'm having trouble picking a side to argue. The instructor wants us to decide how promotion money should be allocated in the case. The full case...
*Monday, November 18, 2013 at 2:53pm*

**marketing**

I'm working on a case study and I'm having trouble picking a side to argue. The question is, Is the investment spending market test a good strategy or a waste of time and overly cautious? The instructor wants us to decide how promotion money should be allocated in the ...
*Monday, November 18, 2013 at 2:47pm*

**Algebra**

A school is keeping track of the number of tickets remaining for its end-of-year festival. Below is the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data below? Week- 1,2,3,4 Tickets ...
*Monday, November 18, 2013 at 2:15pm*

**math**

Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.
*Monday, November 18, 2013 at 12:02pm*

**statistics**

A random sample of 100 students from a high school was selected. If a 98% confidence interval estimate for the mean age of students is calculated to be 14.2511 to 14.9489, then the standard deviation of the sample mean is?
*Sunday, November 17, 2013 at 10:54pm*

**math check**

what unit of measure would you use to describe the distance from your house to school? D. Meters a.grams b. kilometers c. liters d. meters
*Sunday, November 17, 2013 at 6:50pm*

**English**

Near the school there was a clothing store. Near the school, there was a clothing store. Near the school was there a clothing store. Near the school, was there a clothing store. (Which one is correct? Do we have to have inversion when the place adverbial comes to the front?)
*Sunday, November 17, 2013 at 3:14pm*

**Science (Physics)**

On the moon, the acceleration due to gravity is only 1.6 m/s/s. If someone on earth can throw a baseball 24.2 m high, how high could she throw it on the moon?
*Saturday, November 16, 2013 at 10:36pm*

**Calculus**

I throw a ball off the roof. It travels s = 240+22t-t^2. S is the balls distance after I release it. How tall is the building? How high above the ground did the ball get?
*Saturday, November 16, 2013 at 10:20pm*

**college essay conclusion edit**

can someone edit this. also, does it sound too melodramatic? And so, dear reader, I am no longer a child. I was unable to maintain my simplest and purest form, as the fragile innocence of my childhood has been taken. I am like an old book, torn and weathered from time, ...
*Friday, November 15, 2013 at 6:54pm*

**college letter edit**

can someone help edit this? I literally need this in by tonight Dear Admissions, As I was recently speaking with an admissions officer from Uconn, I was exponentially pleased to be informed that the University of Connecticut has allowed for the submition of a writing ...
*Friday, November 15, 2013 at 4:52pm*

**English**

Can someone check my post? It's urgent. Thank you very much in advance! I like the urban look the most/the worst because it is so cool. These clothes are baggy and comfortable enough to wear anywhere/for work/for school/at parties/to go out. I like to wear casual clothes ...
*Friday, November 15, 2013 at 4:09pm*

**college essay cover letter**

Can someone edit this Dear Admissions, I was pleased to find that the University of Connecticut allowed for applicants to submit a writing supplement along with their applications. So, I have taken this opportunity to show the main experiences that I have experienced the past ...
*Friday, November 15, 2013 at 3:13pm*

**Statistics**

How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis.
*Thursday, November 14, 2013 at 11:20pm*

**A/P Biology**

The Echinopsis mamillosa is a flowering cactus native to Bolivia. A high-rise building is built near a particular Echinopsis, filtering the amount of direct sunlight it receives. Which of the following processes is negatively affected first by the reduction in sunlight? ...
*Thursday, November 14, 2013 at 10:38pm*

**CHEMISTRY**

Post a New Question Current Questions Homework Help: Chemistry Posted by Anonymous on Thursday, November 14, 2013 at 8:45pm. CONTINUE>>>>>>>>>>> The enthalpy changes for two different hydrogenation reactions of C2H2 are: C2H2+H2---->...
*Thursday, November 14, 2013 at 9:40pm*

**physics**

With what velocity should the ball be kicked (magnitude in m/s and direction) for an ideal kick off? 4.8 second hang time and horizontal displacement of 60 yards and how high in meters should the ball be expected to go? Thank you
*Thursday, November 14, 2013 at 12:55am*

**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 89% of children at risk. A concerted ...
*Thursday, November 14, 2013 at 12:45am*

**health**

You and several of your colleagues business partners have decided to establish an outpatient fertility clinic in your service area. All of you are very familiar with this patient population base, have completed an extensive market analysis that demonstrated a great need for ...
*Wednesday, November 13, 2013 at 11:32pm*

**account**

You and several of your colleagues business partners have decided to establish an outpatient fertility clinic in your service area. All of you are very familiar with this patient population base, have completed an extensive market analysis that demonstrated a great need for ...
*Wednesday, November 13, 2013 at 11:31pm*

**High School Geometry**

I am have a hard time understanding how A and B can be No, but C can be Yes on this problem i.imgur (dot)com/rpJQDf3.png I thought that since AD is not perpendicular to the plane m then no lines shooting off of D onto the plane could be perpendicular.
*Wednesday, November 13, 2013 at 10:13pm*

**Writing**

The cost of new homes is high today. Many people are purchasing older homes in need of renovation. The most effective combination of sentence 1and2 would include which of the following groups of words? 1
*Wednesday, November 13, 2013 at 7:28pm*

**Statistics**

A random sample of 50 students chosen from an elementary school with 400 students was found to have a mean allowance of $26 per week with a standard deviation of $8. Obtain a 98% confidence interval for the total amount of allowance money given to students in this school per ...
*Wednesday, November 13, 2013 at 4:32pm*

**Personal Finance**

If the economy is not doing well and jobs are hard to find, what would you suggest for your friend to do if they are graduating high school in a month? A) sit at home until the economy improves B) save money by going to a local community college C) look for a job D) all of the...
*Wednesday, November 13, 2013 at 10:41am*

**physics**

An archer standing a horizontal distance d=50m away from a tree sees an apple hanging from the tree at h=12m above the ground. The archer chooses an arrow and prepares to shoot. The arrow is initially 1.5m above the ground. Just as the archer shoots the arrow with a speed of ...
*Tuesday, November 12, 2013 at 3:09pm*

**mathematics**

The members of a high school basketball team are driving from calgary to vancouver,which is a distance of 675km.Each tire of their van has a radius of 32cm.If the team members drive at constant speed and cover the distance in 6h 45 min,what is the angular velocity,in radians/...
*Tuesday, November 12, 2013 at 12:52pm*

**math**

In a random sample of 150 students, 60 ride the bus to school, 54 ride in carpools and 36 walk. It is predicted there will be 800 students in school next year. How many will need bus transportation?
*Tuesday, November 12, 2013 at 8:36am*

**physics**

A 0.0309-kilogram ball is stuffed into a spring gun and shot up into the air at some angle. The gun's spring has a force constant of 92.5 N/m and is initially compressed 0.138 m. When the ball reaches maximum height, it has a horizontal velocity with a speed of 2.23 m/s. ...
*Monday, November 11, 2013 at 9:41pm*

**Physics**

The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. In extreme activities, such as sprinting, it can be subjected to forces as high as 13 times a person’s weight. According to one set of experiments, the ...
*Monday, November 11, 2013 at 7:21pm*

**Statistics**

A state survey investigates whether the proportion of 8% for employees who commute by car to work is higher than it was five years ago. A test on employee commuting by car was done on a random sample size of 1000 and found 100 commuters by car. Test an appropriate hypothesis ...
*Monday, November 11, 2013 at 6:12pm*

**Language**

I miss placed my word list and my assignment is due tomorrow and I need to access my word list from my teacher Shirley Carr at Adlai Stevenson elementary second grade class can this site help me with that I am not a member and do not know if my teacher or school is either
*Monday, November 11, 2013 at 3:37pm*

**Physics**

An object 6.70 cm high is placed 15.1 cm in front of a convex mirror with radius of curvature of 8.55 cm. Where is the image formed?
*Monday, November 11, 2013 at 3:02pm*

**bangladesh**

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 they should be, and draw a line through capitals that should be small letters. 1. the Rocky Mountains 2. my spanish course 3. ...
*Monday, November 11, 2013 at 3:22am*

**Physics**

Calculate the water pressure at the bottom of the 100-m-high water tower
*Sunday, November 10, 2013 at 9:42pm*

**O Chem**

In the laboratory process of isolating Eugenol from cloves via a steam distillation, extraction, drying, and final distillation what would be the best drying agent to use? Sodium Sulfate (Capacity=high Completeness=low rate=medium) or Magnesium Sulfate(Capacity=high ...
*Sunday, November 10, 2013 at 8:52pm*

**math**

Students are hanging their art projects in the school hallway. Each student wants to hang a project that is 7/8 foot wide. The hallway is 16 feet long. If they don't leave any space between each project, how many projects will fit in the hallway
*Sunday, November 10, 2013 at 7:43pm*

**Statistics**

Hoping to lure more shoppers downtown, a city builds a new parking garage in the central business district. The city hopes that the parking revenues will pay for the garage. During a recent two month period (44 days), the city statistician calculated the 95% confidence ...
*Sunday, November 10, 2013 at 6:32pm*

**Physics**

A ball is thrown horizontally from the top of a building 45.2 m high. The ball strikes the ground at a point 78.9 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 . Find the time the ball is in motion, initial velocity, and x and y components
*Sunday, November 10, 2013 at 3:50pm*

**Math**

Marsha hits a tennis ball upward from the top of a 90 foot high cliff with an initial velocity of 16 ft/s. Marsha hit the ball when it was 6 ft. above the top of the cliff. a. assume that the tennis ball will hit the ground below the cliff. Determine the equation for the ...
*Sunday, November 10, 2013 at 2:38pm*

**college essay**

can someone edit my college essay? I was told by an admissions counselor to write a supplement describing my low cumulative GPA. It is a rough first draft, and probolaly needs to be heavily edited I am my truest and purest self, a mere child embarking on the beginning of the ...
*Sunday, November 10, 2013 at 9:37am*

**science**

A bullet is fired horizontally with a velocity of 250 m/s from the top of a building 100m high. Find the Horizontal and vertical velocities of the bullet when it reaches the ground, the resultant velocity, the horizontal displacement, the net displacement, the direction of the...
*Sunday, November 10, 2013 at 12:52am*

**Math **

Jim and joe are training for a big race by running a total of 60 laps around the school track. On the first day, and on each day after, Jim runs 5 laps around the track. On the first day and on each day after, Joe runs 6 lays. How many days longer will it take jim to complete ...
*Saturday, November 9, 2013 at 8:48pm*

**Health (Ms. Sue)**

1. Describe the dangers of binge drinking. A: There are many dangers of binge drinking. For example, binge drinking causes the area of the brain that control breathing and heart rate to become dangerously depressed. The brain and the heart may even stop functioning. This is ...
*Friday, November 8, 2013 at 7:50pm*

**BIOLOGY**

Consider the following 45 base-pair (bp) DNA sequence: 1 10 20 30 40 | . | . | . | . | . 5’-CGCACCTGTGTTGATCACCTAGCCGATCCACGGTGGATCCAAGGC-3’ ||||||||||||||||||||||||||||||||||||||||||||| 3’-GCGTGGACACAACTAGTGGATCGGCTAGGTGCCACCTAGGTTCCG-5&#...
*Friday, November 8, 2013 at 3:27pm*

**English!**

This is what i got so far but i need help with an opening paragraph and conclusion Mark twain used huck as narrator to see the innocent view of these difficult adult themes. in the eyes of a child, the morality of the situations he finds are much more concerning than most ...
*Thursday, November 7, 2013 at 11:08pm*

**Physics**

A high-speed test track for cars has a curved section — an arc of a circle of radius R = 3000 m. The curved section is banked at angle θ = 7 . 94 ◦ from the horizontal to help the cars to stay in the road while moving at high speeds. The acceleration of gravity...
*Thursday, November 7, 2013 at 9:11pm*

**Science**

it is now 8:59am but when the bell rings at 9:00am Suzete will be late for Science class. She must get from one side of school down three different hallways. She runs down the first a distance of 35.0 m at a speed of 3.50m/s. The second haallway is filled with students and she...
*Thursday, November 7, 2013 at 9:06pm*

**Physics (angular motion)**

The blades of a fan running at low speed turn at 230rpm . When the fan is switched to high speed, the rotation rate increases uniformly to 370rpm in 5.80s . Part A What is the magnitude of the angular acceleration of the blades? Part B How many revolutions do the blades go ...
*Thursday, November 7, 2013 at 5:14pm*

**english**

Many schools experience disruptive and anti-social behaviour, sometimes on a daily basis. Imagine that you attend the school at which Mrs Rodriguez is the Headteacher. Mrs Rodriguez has decided to tackle bad behaviour at your school. Recently there have been some very serious ...
*Thursday, November 7, 2013 at 7:27am*

**science help plzzz**

Multiple Choice 1. Which of the following images shows a living organism interacting with a biotic factor in its environment? (1 point) bird drinking water koala eating leaves plant in the Earth whale in the ocean 2. Which of the following shows the correct order from smallest...
*Thursday, November 7, 2013 at 3:28am*

**science**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*Wednesday, November 6, 2013 at 10:19pm*

**calculus HELP!**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*Wednesday, November 6, 2013 at 9:53pm*

**Help! Calculus**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*Wednesday, November 6, 2013 at 9:46pm*

**Statistics**

When consumers apply for credit, their credit is rated using the FICO score. A bank manager used a random sample of the credit scores of 18 customers and determined the following 95% confidence interval: (613.6, 708.0) If the sample used 45 customers rather than 18 customers, ...
*Wednesday, November 6, 2013 at 7:51pm*

**Physics**

A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 9.5 g, the mass of the block is 10.5 kg, the bullet's impact ...
*Wednesday, November 6, 2013 at 7:34pm*

**math**

y dont they allow scissors in the school cafeteria?
*Wednesday, November 6, 2013 at 7:09pm*

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