Saturday

December 20, 2014

December 20, 2014

Post a New Question | Current Questions

**language arts**

A synonym for factor is _____. -hinder -eliminate -influence -mimic In this article, many kids are quoted on their opinions about popularity. They talk about what in-crowds are like. One middle school admits, "Lately, I have been feeling so unhip." Which of the ...
*Tuesday, December 17, 2013 at 8:26pm*

**health**

i was completing my study guide so i can study and i ran across these questions and needed help? An activity done in a short burst at a high level of intensity without oxygen is___. A.aerobic B.anaerobic C.intense D.maximal Sarah wants to know her target heart rate zone.Her ...
*Tuesday, December 17, 2013 at 8:14pm*

**Statistics**

A national opinion poll found that 44% of all American adults agree that parents should be given vouchers good for education at any public or private school of their choice. Suppose that in fact the population proportion who feel this way is p=0.44. A) Many opinion polls have ...
*Tuesday, December 17, 2013 at 7:24pm*

**Boston question: Serious question, not a joke**

I have a question, and I know it may seem not serious... but in school I am learning about the Boston massacre. My question is: Is there a common reason that these tragedies happen in Boston? The Boston massacre, the Boston bombing... Just kinda curious is there is some ...
*Tuesday, December 17, 2013 at 6:17pm*

**Math (7th grade)**

I have a math question that I do not really understand how to answer is there someone who can walk me through it? In Pinecrest middle school there are 58 6th graders 76 7th graders, and 38 8th graders. The counsel is made up of 35 students who are chosen to represent all three...
*Tuesday, December 17, 2013 at 3:42pm*

**English - help**

Ms. Kemp Recruits Volunteers As a new ninth grader at my high school, I was sitting in an assembly about volunteerism.The guest speaker was Ms. Francis Kemp. Today I had an experience worth writing about. I must admit that I did not have high hopes for the hour. I was sure it ...
*Tuesday, December 17, 2013 at 11:11am*

**Clarifying Vague Pronouns**

The school computers arrived with games preloaded.These were the second batch the school had received.
*Tuesday, December 17, 2013 at 11:05am*

**Fin/571**

3. Bell Mountain Vineyards is considering updating its current manual accounting system with a high-end electronic system. While the new accounting system would save the company money, the cost of the system continues to decline. The Bell Mountain’s opportunity cost of ...
*Monday, December 16, 2013 at 10:21pm*

**Math**

The local school district has made a scale model of the campus of ENgels Middle School including a proposed new building. The scale of the model is 1inch=3 feet. The new building is 22.5 inches from the gym in the model. What will be the actual distance from the gymnasium to ...
*Monday, December 16, 2013 at 5:58pm*

**Health (Ms. Sue)**

1. Identify why each of the following behaviors puts a teen at a high risk for catching STDs. a. having more than one sexual partner b. using alcohol or drugs A: a. The more sexual partners a person has, the higher the risk of contracting an STD. Promiscuity, or engaging in ...
*Monday, December 16, 2013 at 5:55pm*

**statistics in psychology**

12. Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows. Person Dexterity Anxiety 1 1 10 2 1 8 3 2 4 4 4 –2 (a) Scatter Graph: Scatter and Regression
*Monday, December 16, 2013 at 3:40pm*

**English**

Mrs. Patti, "a math teacher at my school", plans to retire next year. Choose the term that describes the phrase in quotation marks. A.) adverb phrase B.) infinitive phrase C.) adjective phrase D.) appositive phrase I think it is C..?
*Monday, December 16, 2013 at 2:24pm*

**Check Answers Quick -Physics**

What causes the centripetal acceleration of an electron in a hydrogen atom? electrical attraction gravity friction <-- tension Question 2. Which of the following terms might a jet pilot use to describe a force that presses him against his seat during a high-speed turn? ...
*Monday, December 16, 2013 at 12:37pm*

**algebra **

a survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary 6.49% 54.04% 64.92% (i think that's the answer) 79.20%
*Sunday, December 15, 2013 at 10:40pm*

**English**

What is a PERFECT essay about Sandy Hook Elementary School?
*Sunday, December 15, 2013 at 5:46pm*

**HELP MS.SUE MATH 5TH GRADE**

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using ...
*Sunday, December 15, 2013 at 4:33pm*

**physics**

a camera drops off a 350m high cliff on mars where the acceleration is -3.7m/s^2. how fast is the camera going when it hits the ground?
*Sunday, December 15, 2013 at 4:29pm*

**math**

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using ...
*Sunday, December 15, 2013 at 4:26pm*

**Math**

Mr. Rad's class was invited to go on a field trip after school hours. Fourteen of the students in his class went on the field trip, and 6 of them were boys. The expression below can be used to find g, the number of girls in Mr. Rad's class that went on the field trip. ...
*Saturday, December 14, 2013 at 9:57pm*

**math**

A jar of peanut butter which is 3 inches in diameter and 4 inches high sells for $0.60. At the same rate, what would be the price for a jar that is 6 inches in diameter and 6 inches high?
*Saturday, December 14, 2013 at 8:12pm*

**Trigonometry**

1. Brothers Bob and Tom buy a tent that has a center pole of 6.25 feet high. If the sides of the tent are supposed to make a 50deg angle with the ground, how wide is the tent? 2. A swimming pool is 30 meters long and 12 meters wide. The bottom of the pool is slanted so that ...
*Saturday, December 14, 2013 at 7:40pm*

**math**

For a motor vehicle traveling at r miles per hour, the distance d in feet required to stop is approximately d=0.05r^2 + r. If a school bus is traveling at 45 mph, how many feet, to the nearest foot would it travel?
*Saturday, December 14, 2013 at 7:35pm*

**Super quick english question**

last one! We will need the following supplies for our school garden: Shovels, rakes, wheelbarrows, and compost. does school need to b capital?
*Saturday, December 14, 2013 at 5:45pm*

**English**

I still have a few doubts. Thank you very much. 1) When I go to a party, I generally wear clothes which are smarter than the ones I wear for school. 2) I want to be original and on fashion (is it possible?) 3) What do you think of/about this coat? Are both "about " ...
*Friday, December 13, 2013 at 4:19pm*

**science**

A salamander is a keystone species in a forest ecosystem with high biodiversity. This species migrates from woodland areas to a local stream to reproduce. If a road is built that cuts off the woodland areas from the stream, what effect will this have on the forest ecosystem? A...
*Friday, December 13, 2013 at 2:41pm*

**General- In need of advice**

I am in need of blatant advice. I believe certain things. When I have to answer an open or multiple choice question for school that the answer they want me to put directly defies my beliefs and goes against my principles should I answer honestly what I believe or tell them ...
*Friday, December 13, 2013 at 3:12am*

**math**

A certain school has an enrollment of 400 students.Must there be at least two students in this school whose birthdays fall on the same day of the year?For this problem consider only non leap years.
*Thursday, December 12, 2013 at 11:17pm*

**Math**

A firefighters ladder, 65 feet long, rests against a tall building. If the bottom of the ladder is 16 feet from the building, how high up the wall does the ladder reach.
*Thursday, December 12, 2013 at 11:04pm*

**SS**

Which of the following caused a severe economic crisis in Japan during the 1990s? Taxes were raised too high. Bad bank practices caused a recession.** Too many workers went on strike. Trade embargos increased. Which of the following is a cultural exchange that the people of ...
*Thursday, December 12, 2013 at 10:37pm*

**Politics**

A major factor contributing to nonvoting is A. high income B. partisanship c. reductions of barriers to voting D. political alienation Is the answer B
*Thursday, December 12, 2013 at 8:36pm*

**physics**

A missile is fired horizontally with an initial velocity of 300 m/s from the top of a cliff 200.0 meters high. a. How long does it take the missile to reach the bottom the cliff? b. How far from the base of the cliff does the missile strike the ground?
*Thursday, December 12, 2013 at 6:07pm*

**physics. HELP**

Phil jumps off a high-diving platform with a horizontal velocity if 2.8 m/s and lands in the water 2.6 seconds later. a. How high is the platform b. How far out from where he jumped does he land?
*Thursday, December 12, 2013 at 5:47pm*

**Civics**

1.)Why do states establish licensing boards for various professions? 2.) What would happen to the country's school districts if the federal and state governments didn't provide any financial assistance?
*Thursday, December 12, 2013 at 5:21pm*

**Physics... HELP**

A toy car runs off the edge of a table that is 1.225 meters high. If the car lands 0.400 meters from of the table, a. How long does it take for the car to fall? b. What is the horizontal velocity of the car?
*Thursday, December 12, 2013 at 4:12pm*

**physics**

A missile is fired horizontally with an initial velocity of 300 m/s from the top of a cliff 200.0 meters high. a. How long does it take the missile to reach the bottom the cliff? b. How far from the base of the cliff does the missile strike the ground?
*Thursday, December 12, 2013 at 4:08pm*

**math - trig**

The airport meteorologists keep an eye on the weather to ensure the safety of the flights. One thing they watch is the cloud ceiling. The cloud ceiling is the lowest altitude at which solid cloud is visible. If the cloud ceiling is too low the planes are not allowed to take ...
*Thursday, December 12, 2013 at 6:06am*

**comp 1**

it says combine each of the following sets of sentences into on sentence that used subordination to signal the relationships among ideas. Are these correct? can you help me 41.2 1. The original Star Trek television show ran form 1966 to 1969. It was critically acclaimed. it ...
*Wednesday, December 11, 2013 at 7:37pm*

**Health (Ms. Sue)**

1. Why do you think some teens believe that they can't get pregnant the first time they are sexually active? A: I think some teenagers believe that they can’t become pregnant the first time they are sexually active because they generally believe that nothing terrible ...
*Wednesday, December 11, 2013 at 7:35pm*

**Math**

Thank you for the answer now I understand. For the next question I made a mistake this is the question elli has two 8 and 1/2 pound bags of mints. She plans to put 1/12 pound at each place setting. Will she have enough mints? She has 256 guests I think that means 256 place ...
*Wednesday, December 11, 2013 at 6:18pm*

**algebra**

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000475x^2+0.851x, where x and y are in feet. How high above the river is the bridge(the top of the arch)? How long is the section of bridge above ...
*Wednesday, December 11, 2013 at 11:31am*

**basic geometry**

for safety reasons , anyone parasailing behind a boat needs to stay at least 25 feet away from the back of the boat. if you were parasailing using a 250 foot rope , how far from the boat would you be if you were 100 feet high in the air ? round to the nearest tenth. what is ...
*Wednesday, December 11, 2013 at 9:13am*

**please help me!! with this science!!!!!**

Multiple Choice: 1. If a kestrel eats a mouse that eats grass, the kestrel is a (1 point) producer. second-level consumer. first-level consumer. decomposer. 2. Which of the following best explains why a species of lizard is able to live in the desert but not in tundra regions...
*Wednesday, December 11, 2013 at 1:17am*

**Math**

Gill is trying to set a world record at is school. Every day for 100 days, he walks 7.5 miles. How many miles does Gill walk in all?
*Tuesday, December 10, 2013 at 8:24pm*

**religion**

We understand that the more we adhere to Islam the more it would bring us happiness in this life and the hereafter. However there is a hadith whereby Abu Saeed Al-Khudri visited the Prophet (Pbuh) when he was unwell. He put his hand on a piece of velvet cloth with which the ...
*Tuesday, December 10, 2013 at 6:56am*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
*Monday, December 9, 2013 at 5:35pm*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
*Monday, December 9, 2013 at 5:35pm*

**physics**

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?
*Monday, December 9, 2013 at 5:35pm*

**Algebra 1 (Reiny or Kuai)**

1. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system. What does the ...
*Monday, December 9, 2013 at 2:57pm*

**Algebra 1 (Reiny or Kuai)**

1. Which x-values should I choose to graph these equations (y = x; y = -x + 6) so that they intersect? 2. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system ...
*Monday, December 9, 2013 at 1:24pm*

**Health (Ms. Sue)**

"Juan was a successful architectural engineer in San Francisco, California. He had two children and a wife. At age 42, he finally quit his smoking habit, which he started when he was 18. He began to jog every day and completed a marathon on his 45th birthday. After being ...
*Sunday, December 8, 2013 at 10:20pm*

**Physics**

Place a small rubber ball on top of a basketball or soccer ball and then drop them together. If vertical alignment nicely remains as they fall to the floor, you’ll see that the small ball bounces unusually high. Can you reconcile this with energy conservation?
*Sunday, December 8, 2013 at 10:04pm*

**math**

in a store all the oranges are stacked in triangular pyramids, each layer of oranges is in the shape of an equilateral triangle and the top layer is an single orange. How many oranges are are in a stack ten layers high
*Sunday, December 8, 2013 at 5:44pm*

**English**

Write complete sentence if the statement is a complete sentence. Write not a sententce if the statement is not a complete sentence. 1/. The author thought of a story. Complete sentence. 2/ Took place long ago. Not sentence . 3/ Her first day at school. Not sentence. 4/ She was...
*Sunday, December 8, 2013 at 10:41am*

**Physics**

A 0.40 g fruit in a tree has a gravitational potential energy of 200 J. How high from the ground is the fruit?
*Sunday, December 8, 2013 at 4:56am*

**Math**

A jar of peanut butter which is 3 inches in diameter and 4 inches high sells for $0.60. At the same rate, what would be the price for a jar that is 6 inches in diameter and 6 inches high?
*Saturday, December 7, 2013 at 10:52pm*

**algebra**

For a motor vehicle travelling at r miles per hour, the distance d in feet required to stop at approximately d=0.05r^2+r. If a school bus is traveling at 45mph how many feet to, the nearest foot,would it travel before coming to a halt.
*Saturday, December 7, 2013 at 8:02pm*

**Finance**

Chip’s Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for $20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 90 percent as high if the price is raised 17 percent. Chip’s variable cost ...
*Saturday, December 7, 2013 at 6:26pm*

**Grammar**

Which sentence demonstrates correct use of modifiers? A) Startled by the noise, the alarm clock was knocked on the floor. B) Kendah found a broken glass washing her dishes. C) Rocco gave snacks to his friends in plastic bags D)Standing on a chair, I was just able to reach the ...
*Saturday, December 7, 2013 at 4:21pm*

**physics**

A child and sled with a combined mass of 47.4 kg slide down a frictionless hill that is 8.61 m high. If the sled starts from rest, what is its speed at the bottom of the hill?
*Thursday, December 5, 2013 at 11:43pm*

**Math-Trig**

1. To avoid a steep descent, an airplane flying at 10 000 m starts its descent 60km away from the airport. For the angle of descent to be constant, at what angle should the plane descend? 2. A flagpole that is 20m high casts a shadow that is 18m long. What is the angle of ...
*Thursday, December 5, 2013 at 8:09pm*

**Math - Trig**

1. When you look down from the top of a building at an angle of 63degrees, you will see a man reading a newspaper. If the building is 50m high, how far is the man from the building? 2. A plane takes off at an angle of 15deg20'. How high will it have risen after it has ...
*Thursday, December 5, 2013 at 7:31pm*

**Biology**

In this assignment, you will select one of the options that you can compare a cell to and design an analogous development structure. then, you will compare the structure of your development to the organelles of the cell that you have learned about in this unit. you will draw a...
*Thursday, December 5, 2013 at 3:26pm*

**Astronomy **

1. Imagine that the Earth¡¦s spin were to be reversed, so that the planet rotated about its axis from East to West, at the same rate at which it now rotates from West to East. If Earth¡¦s orbital motion about the Sun were unchanged, which of these ...
*Thursday, December 5, 2013 at 1:41pm*

**Math2**

A "quick picture" is an estimate than? 5 x 2.7 ..... 5 x 3= 15 Its been a long time since elementary school and I do not remember "quick picture" The question was How can you use a "quick picture" to find 5 x 2.7? the answer is 13.5.......an ...
*Thursday, December 5, 2013 at 1:41pm*

**physics**

The flywheel of a motor is connected to the flywheel of an electric generator by a drive belt. The flywheels are of equal size each of radius . While the flywheels are rotating the tension in the upper and lower portions of the drive belt are and respectively. The drive belt ...
*Thursday, December 5, 2013 at 10:09am*

**Language Arts**

Help Please!! Answer the following question about the essay "Escaping." Give an example of one internal and one external conflict from the selection. (Escaping) Nowadays we live in a constant hurry, compete with each other, we are uncertain of future, often don’...
*Thursday, December 5, 2013 at 9:51am*

**math**

What are the answers to the middle school math with pizzazz book e page 29?
*Wednesday, December 4, 2013 at 7:26pm*

**Math**

Henry is building a front door. The height of the door is one foot more than twice its width. If the door is seven feet high, what is its width? Am I suppose to use proportions
*Wednesday, December 4, 2013 at 5:32pm*

**chemistry calculations**

when 2.750 g of the oxide of lead is heated to a high temperature,it decomposes to produce 0.0640 g of oxygen gas and 2.686 g of some new lead oxide compound.How can you use this data to determine the formula of the new compound?
*Wednesday, December 4, 2013 at 6:23am*

**physics**

An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth gravitational ...
*Tuesday, December 3, 2013 at 11:32pm*

**physics**

An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth gravitational ...
*Tuesday, December 3, 2013 at 9:02pm*

**macroeconomics**

1. What is the demand for money? What are the types of Money Demand? Explain further utilizing the determinants of Money Demand. How does the demand for money depend on the nominal interest rate? On the price level? On income? Explain in terms of the costs and benefits of ...
*Tuesday, December 3, 2013 at 5:12pm*

**english(check1answer)**

which word would you use to replace "security" to give the phrase "security camera"a negative connotation? A.school B.student C.crime D.nonstop
*Tuesday, December 3, 2013 at 2:16pm*

**physics**

A child and sled with a combined mass of 53.0 kg slide down a frictionless hill that is 7.63 m high. If the sled starts from rest, what is its speed at the bottom of the hill?
*Monday, December 2, 2013 at 11:48pm*

**Quick Math Help**

At a school play, childrens tickets cost $3 each and adult tickets cost $7 each. The toral amount earned from ticket sales equals $210. How many adults tickets were sold if 70 childrens tickets were sold?
*Monday, December 2, 2013 at 8:43pm*

**Quick Math Help**

The school store sells pens for $2.00 and notebooks for $3.00. You have $60 to spend at the store. How many notebooks can you buy if you have already bought 10 pens?
*Monday, December 2, 2013 at 8:28pm*

**PreCal**

You have 1000 coins. Start by placing one coin in its own "stack." Next to the first stack, make a stack of two coins. Then make a stack of four coins and continue creating stacks of coins, each stack twice as high as the previous one. Now I figured it would be 13 ...
*Sunday, December 1, 2013 at 7:20pm*

**maths**

the boys of a school can be arranged in 12, 15, 18 equal rows and also into a solid square. what is the least number of boys that the school can have? (hint: find the lcm) anwer is 900 explain
*Sunday, December 1, 2013 at 3:41am*

**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*

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