Questions Asked on
October 6, 2009

Calculus
The population of a region is growing exponentially. There were 40 million people in 1980 (when t=0) and 50 million people in 1990. Find an exponential model for the population (in millions of people) at any time t, in years after 1980. P(t)= Predicted
asked by Z32 
English
I don't quite understand the meaning of the story "Score/Score" by Phyllis Gotlieb. I can't seem to find much about it on the internet.
asked by Alex 
English
What is the irony in "Happy Event" by Nadine Gordimer?
asked by Shelly 
8th grade
How Does a rodeo star get around
asked by yo 
Physics
A 0.20kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the string tension is 16 N. Find the tensions in the string when the ball is at twelve o'clock and at the six o'clock positions.
asked by Sanjna 
Physics
A 300 ball swings in a vertical circle at the end of a 1.2mlong string. When the ball is at the bottom of the circle, the tension in the string is 13 . What is the speed of the ball at that point?
asked by Dan 
physics
Santa loses his footing and slides down a frictionless, snowy roof that is tilted at an angle of 26.0. If Santa slides 7.00 before reaching the edge, what is his speed as he leaves the roof?
asked by Angela 
Physics
A sensitive gravimeter at a mountain observatory finds that the freefall acceleration is 7.0×10−3 less than that at sea level. What is the observatory's altitude?
asked by Dan 
probability
The offices of president, vice president, seceretary, and treasurer for a club will be filled from a pool of 12 candidates. Five of them are members of the debate team. What is the probability that all the offices are filled by memebers of the debate team?
asked by Sharon 
Chemistry
Suppose you wanted to dissolve an aluminum block with a mass of 15.4 g What mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block?.
asked by Liz 
org. chem.
A student who was isolating aspirin stopped the experiment after the filtration step with alumina. One week later, the methanol was evaporated and the experiment was completed. The melting point of the aspirin was found to be 110115 degress Celsius.
asked by CM 
Calculus
[Exponential growth & decay] The halflife of radioactive strontium90 is approximately 29 years. In 1965, radioactive strontium90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years
asked by Z32 
physics
Figure 8 shows positiontime graphs of the straightline movement of two brown bears in a wildlife preserve. Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A
asked by Mureia 
Physics
If a 20 kg object fell to the surgace of the Earth from a height of 30m, what would its final velocity be? (work from the energy standpoint)
asked by Kayla 
chemistry
Fumaric acid, which occurs in many plants, contains, by mass, 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen. A 0.050mol sample of this compound weighs 5.80 g. The molecular formula of this compound is can you show me the formula
asked by Tierney 
Math
given a jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second, what is the probability of getting no yellow marbles? I got 
asked by Anonymous 
physics
soo for physics, we did a lab where we launched a cart on a track on the floor and recorded time, distance, etc. to figure out things. one of the questions on the lab is: can you think of a simple followup experiment that would allow you to determine how
asked by student 
chemistry
A student placed 10.5 g of glucose C6H12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.mL mark on the neck of the flask was reached. The flask was then shaken until the
asked by Cory 
MATH
Ian multiplied a number by 5. He then multiplied that product by 2. What digit is in the ones place of the final product?
asked by CeCe 
SAT
is there any helpful practice sat tests online other than the college board? i'm taking the test this saturday and i don't feel like i'm ready for it. i have studied the SAT prep book that i have, as much as i can. i especially need help in the math and
asked by y912f 
Chemistry
A beaker with 150 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.90 mL of a 0.480 M HCl solution to the beaker. How much will the pH change?
asked by Anonymous 
chemistry
Fumaric acid, which occurs in many plants, contains, by mass, 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen. A 0.050mol sample of this compound weighs 5.80 g. The molecular formula of this compound is
asked by Tierney 
chem
If 50.0 mL of a 0.10M solution of sodium chloride is mixed with 50.0 mL of 0.10 M magnesium chloride, what is the molar concentration of chloride in the resulting solution?
asked by Amanda 
probability
A box contains 4 red and 3 blue poker chips. What is the probability when 3 are selected randomly that all 3 wil be red if we select chips with replacement? a.) Without replacement?
asked by Sharon 
language arts
write a sentence using a present, past, or future tense verb. rewrite your sentence using a perfect tense verb. can you just show me one example.. thanks xx
asked by zerina 
algebra
Melissa is 31 years younger than her dad. The sum of their ages is 61. How old is Melissa? How old is her dad?
asked by myra 
chemistry
What is the molar concentration of sodium in a 200mL solution prepared from 1.359 grams of sodium phosphate?
asked by Anonymous 
Physics
If a 20 kg object fell to the surgace of the Earth froma height of 30 m, what would its final velocity be? (work problem from the stanpoint of linear motion)
asked by Kayla 
Physics
Two masses of 4.25 kg each, connected by a string, slide down a ramp making an angle of 44° with the horizontal. The coefficient of kinetic friction between m1 and the ramp is 0.31. The coefficient of kinetic friction between m2 and the ramp is 0.12. Find
asked by Brian 
probability
A batch of 350 raffle tickets contains 4 winning tickets. You buy 4 tickets. What is the probability you have no winning tickets? b.) all winning tickets? c.) at least 1 winning ticket? d.) At least 1 nonwinning ticket?
asked by Sharon 
Physics
A 0.20kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the string tension is 16 N. Find the tensions in the string when the ball is at twelve o'clock and at the six o'clock positions.
asked by Sanjna 
MATH grade 10
please help me, please. a farmer is building a circular corral to hold a live stock. with distances measured in metres, the shape of the corral is modelled by the equation x squared plus y squared equals 64. find length reqiured for the fencing of the
asked by sameul 
English
Hello. I was wondering if you can please assist me with writing a short paragraph comparing Baldwin's account of the Titanic with Rosenthal's account of his visit to Auschwitz. While doing so I have to explain how the tone and purpose of each story is
asked by Brian 
physics egg drop
What is the best idea for an egg drop project. it has to survive a 5 meter drope without craking or breaking open.(grade A egg wich is a bog egg). The desinge or idea has to be able to be opened and have the egg in hand within 10 sec, so packing it into
asked by physics 
physics
Five forces act on an object: 1: 60 N at 90 degrees, 2: 40 N at 0 degrees, 3: 80 N at 270 degrees, 4: 40 N at 180 degrees, and 5: 50 N at 60 degrees. What is the magnitude and direction of the 6th froce that would produce equilibrium?
asked by MAdason 
chemistry
2H2O2 > 2H2O +O2 If a 250mL bottle of hydrogen peroxide solution containing 3% H2O (by mass) completely decomposed how many liters of gas would it generate. Assume that one mole of gas occupies a volume of 22.4 L and that the density of the solution is 1
asked by Anonymous 
physics
you drag a heavy box along a rough horizontal floor by a horizontal rope. Identify the reaction force to each of the following forces: (a) the pull of the rope on a box (b) friction force oin the box (c) the normal force on the box (d) weight of the box
asked by sam 
Media Law
In what ways does the history of copyright law impact on the nature of copyright law today?
asked by Breanna 
FINANCE II
THE EXTENT TO WHICH INVENTORY FINANCING MAY BE USED DEPENDS ON?
asked by LIN 
writing
Identify the nouns using P for a proper noun, C for a common noun, and COL for a collective noun. It was written in Philadelphia at the Constitutional Convention. Fiftyfive representatives from a dozen states drafted the document between May and September
asked by amber 
science
i need to answer these statements true or false: ive answered some but stuck on others. 1)only animals respire  false 2)respiration uses oxygen 3)respiration uses up carbon dioxide 4)only green plants photosynthesisetrue 5)all living things respire
asked by olivia 
college accounting
For its fiscal year ending October 31, 2010, Molini Corporation reports the following partial data. Income before income taxes $540,000 Income tax expense (30% $390,000) 117,000 Income before extraordinary items 423,000 Extraordinary loss from flood
asked by chris 
college
A box contains 4 red and 3 blue chips. What is the probability when 3 chips are selected randomly that all 3 chips will be red if select chips with replacement?
asked by Sharon 
Self Reflection Essay
I need to write a selfreflection essay on a presentation for Oral Hygiene that I did, but I don't really understand what or how to start this
asked by >< 
world geography
rice is grown throughout southeast asia in flooded: A)****cultivations B)lodes C)paddies D)cyclones which of the following challenges do southeast asian countries face in thier efforts to protect thier enviornment? A)managing scarce water resource
asked by henry 
5th grade
Travis earned $214 for each week of work. At the end of the year, Travis’s total income was $10,700. How many weeks out of the year, did Travis work? Write an equation to show your answer. Variables and Functions Solve problems 1–6. x 1 2 3 4 y 5 10
asked by Anonymous 
Algebra 1
DEfine a variable and write an equality to model each situation. In many states, you must be at least 16 years old to obtain a driver's license. At least 350 students attended the band concert Friday night.
asked by Kcee 
physics
The forces acting on the arm of a person lifting a dumbbell. The force F is the force pulling on the hand due to the weight of the dumbbell, the force Warm is the weight of the arm and T is the tension due to the muscles connecting the arm and the trunk.
asked by physics student 
world history
how did japanese feudalism evolve?
asked by donna 
Chemistry
Please help me....are these questions right or no? If not can you help me...any suggestions please? 7.(14). Which of the following is a salt? a. HNO3 b. H2SO4 c. CaSO4 d. NaOH e. NH3 I put down C CaSO4, is that right or am I way off track? 8.(15). Which
asked by Taylor 
Math Analysis (similar to my previous question)
How would you set this one up as well? 5. You have up to $30,000 to invest. Your broker recommends investing in AAA bonds yielding 8% and B+ bonds yielding 12%. You decide to invest at most $12,000 in the B+rated bond and at least $6,000 in the AAA bond.
asked by Emily 
chemistry
what is the percentage of sulfur and copper(I) sulfide, Cu2S is the answer 35.58% if not could you show me the formula
asked by Tierney 
physics
A chandelier with mass m is attached to the ceiling of a large concert hall by two cables. Because the ceiling is covered with intricate architectural decorations the workers who hung the chandelier couldn't attach the cables to the ceiling directly above
asked by Kalen 
Science
On the surface of the Earth, it is approximately 6,200 miles to the North or South pole. How many miles is it between two parallels 5 degrees apart?
asked by Meghan 
Chemistry
A compound was found to contain copper and chlorine. The mass of the compound was 351 mg. The amount of copper in the sample was found to be 225 mg. What is the empirical formula for the compound?
asked by Sandy M. 
BIOLOGY
Human tissue cells seem to fit together like pieces of a jigsaw puzzle. How is this arrangement of cells helpful to an organism? The presence of membranes around organelles indicates increasing complexity. Why do you think the presence of such membranes
asked by Kelly 
math
I'm doing a survey for class and I need 10 people to answer the following question with a simple yes or no: Do you eat some type of vegetable everyday?
asked by Alyssa 
Science
The water we drink today is the same water that the dinosaurs once drank. Please explain answer.
asked by Earl 
science
what is another term for states
asked by mic 
economics
When a firms long run avg cost curve is horizontal for a range of output, then in that range production displays: a) constant avg fixed costs b) increasing returns to scale c) constant returns to scale d) decreasing returns to scale i think d
asked by dav0 
physics
a bottle is given a push along a frictionless tabletop and slides off the edge of the table (a) what forced are exerted on the bottle while (i) it is being pushed (ii) on the table free of push(iii)falling from the table to the floor. (b) what is the
asked by sam 
english 7th grade
I have to write a poem about a memory and it says include a sentence of a question or feeling you had at that time and i don't quite get that. Also i just forgot what a stanza(spelling?) written like. Any help? Thank you!
asked by Liliane 
POPULATION
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate.
asked by Anonymous 
math
How long will it take a bus traveling at 60 miles per hour to overtake a car traveling at 40 mph if the car had a 1.5 hour head start?
asked by Michelle 
Biology
CAM (crassulacean acid metabolism) plants such as the cacti differ from standard C4 plants such as corn in which of the following ways? a. CAM plants minimize photorespiration whereas C4 plants do not. b. CAM plants use both mesophyll and bundle sheath
asked by John Joseph 
chem
Cola contains H3PO4. In order to determine the concentration of phosphoric acid in 50.0 mL of cola, a precipitation reaction with excess silver nitrate was carried out. The product, silver phosphate, was dried and found to weigh 0.0576g. What is the
asked by Anonymous 
chemistry
What it the percentage of sulfur in copper(I) sulfide, Cu2S
asked by Tierney 
GEOMETRY
1 SPOOF IS A SET OF ALL PURRS. 2 SPOOF CONTAINS AT LEAST TWO DISTINCT PURRS. 3 EVERY LILT IS A SET OF PURRS AND CONTAINS AT LEAST TWO DISTINCT PURRS. 4. IF A AND B ARE ANY TWO DISTINCT PURRS, THERE IS ONE AND ONLY ONE LILT THAT CONTAINS THEM. 5. NO LILT
asked by JEFF BOMB 
chemistry
What is the percentage of sulfur in copper(I) sulfide, Cu2S
asked by Tierney 
AP Stats
If a distribution is moundshaped and symmetric, what percent of homes will have a monthly bill of more than $115? The mean monthly bill is $125 and has a standard deviation of $10.
asked by Sam 
world geography
the great barrier reef consists of thousands of small: A)continental islands B)lichen reefs C)coral reefs D)volcanic reefs my choice is c
asked by henry 
Science
Suppose you are on a ship somewhere in the Atlantic Ocean. You take sightings on Polaris and find that it's altitude is 52 degrees. You're told that a certain star is on the prime meridian at midnight Greenwich time. This star is on your meridian at 4 A.M
asked by Meghan 
history
what evidence supports that the immigrants that came in the late 1800s improved communites and the nation?
asked by jill 
english
what is the definition of a "stressed syllable"
asked by rjp 
Algebra
Two planes are 4,800 miles apart, and their speeds differ by 200 mph. They travel toward each other and meet in four hours. Find the speed of the slower plane. HELP!!!!!
asked by Carol 
Science!! Please HELP
If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate.
asked by Rani 
science
please could someone help me with these question please i have loked on websites but i am still stuck. true or false and i need to write a comment why: plants photosynthesise 24 hours a day respiration uses up carbon dioxide thanks guys!
asked by dominique 
sci
what is in common with humans and yeast? 1. 2. 3.
asked by Samane 
Science
can some one tell does composites produce a sulfuric acid when it erupts or does any volcanoes produce sulfuric acid please help urgent
asked by Tony 
math
solve 2/3 + 5/8
asked by mikel 
PREALGEBRA
Paint costs $21 per gallon is to be mixed with 6 gallons of paint thinner costing $5 per gallon to make a paint that can be $15 per gallon. Compute how much paint mixture will be produced.
asked by fAITH 
Physics
a bottle is given a push along a frictionless tabletop and slides off the edge of the table (a) what forced are exerted on the bottle while (i) it is being pushed (ii) on the table free of push(iii)falling from the table to the floor. (b) what is the
asked by Nick 
Com 150
Before you write your expository essay, you must organize your ideas. One way to organize content is by creating a formal outline. Normally, an outline organizes only the body of your paper. Although your thesis statement appears in your introduction when
asked by Anonymous 
Chemistry
how many moles of silver are contained in 1.00 kg of silver, can you show me the set up for the problem
asked by Tierney 
Math
given a jar contains four marbles, each a different color: red, blue, green, and yellow. If you draw two marbles from the jar, one after another, replacing the first before drawing the second,what is the probability of getting at least one red marble and
asked by Anonymous 
simple subjects
The rules require that each contestant make his or her own kite.
asked by jasmin 
biology
Explain how the light reactions would be affected if there were no concentration gradient of protons across the thylakoid membrane. This is not a homework question. It's a 'challenge', if we want to do it. So I'm just interested :)
asked by amber 
8th grade
ok my teacher just assigned me this wikid stupid worksheet with a riddle whom do you see at the bank if you need to borrow money?
asked by patrick 
per.finance
What might be the savings goal for a person who buys a fiveyear CD paying 4.67 percent instead of an 18month savings certificate paying 3.29 percent? i just do not get this
asked by jesse 
Algebra 1
What should happen if you enter a number on a calculator and press the reciprical key twice? Why?
asked by Shavaleir 
2 masses, pulley on a frictionless incline
an object of mass m1= 311 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 355 g on the adjacent horizontal surface. Further, an external force of
asked by Natasha 
science
explain how gravitational pull of the sun and inertia keep the earth in orbit around the sun?
asked by Aj 
Physics
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 360 km above the earth's surface, while that for satellite B is at a height of 720 km. Find the orbital speed for each satellite.
asked by Sanjna 
world geography
most countries of south pacific region: A)came independent in the 1700s b)came independent in the 1800s C)came independent in the 1900s D)**have yet to achieve independence
asked by henry 
Statistics
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a
asked by stat 
AP World History
describe the major classical period trading patterswithin and among China,India, and Mediterranean?
asked by Nicole 
college Accouting
Bennis Company has the following comparative balance sheet data. BENNIS COMPANY Balance Sheets December 31 2011 2010 Cash $ 15,000 $ 30,000 Receivables (net) 70,000 60,000 Inventories 60,000 50,000 Plant assets (net) 200,000 180,000 $345,000 $320,000
asked by Tonya 
elementary social studies
natural,capital and human resources are called the factors if what?
asked by bailey 
algebra
need to solve this equation 3/4 k  1/6 =1/2
asked by Dianna 
Physics
Consider two tennis balls on a flat table. The two balls touch each other and are at rest. Which of the following equations is Newton's law in the vertical direction for the tennis ball closer to the observer? use N for normal forces, F for contact forces
asked by Sarah 
math
What is the distance between 7 over 10 and 3 over 5
asked by dante 
Physics
An object of mass m1= 203 g is on an inclined surface, that is increasing. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 598 g on the adjacent horizontal surface via a pulley
asked by Sarah 
Physics
A spaceship of mass m travels from the Earth to the Moon along a line that passes through the center of the Earth and the center of the Moon. (a) At what distance from the center of the Earth is the force due to the Earth five times the magnitude of the
asked by jawn 
math
Travis earned $214 for each week of work. At the end of the year, Travis’s total income was $10,700. How many weeks out of the year, did Travis work? Write an equation to show your answer. Variables and Functions
asked by Anonymous 
chemistry
How does the number of bonds in a carbon chain affect its melting and boiling points?
asked by me 
Physics
Imagine a rightangle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is
asked by LeahHH 
science
HOW CAN I TELL IF A CELL HAS DEPTH BY USING A MICROSCOPE??
asked by JEFF BOMB 
Algebra
1. 21=p13 2. 8=14p 3. 6v3 1/2 4. 7=x 5. 10=n/5 6. n/12=12 7. 3n=27
asked by Taylor 
MTH 156
How do the ideas of divisibility and multiples relate to the studey of fractions?
asked by Anonymous 
algebra
Will you please check this and make sure that I am right? 26. 5>3x+4 or 9< equal to 3x+2 this would be (infinate,7/3] & (1/3,infinante)
asked by Totally lost 
math
when you put together unequal groups,can you only add?
asked by john 
math
2x^2
asked by Ellie 
math  equivalent expression
This is just a quick question. I need to use the distributive property to write an equivalent variable expression. the problem is 8(x+6). would 14/x be a valid answer? and also if possible, could someone explain how this works?
asked by john 
math
Five numbers are to be picked, without repetition, from 44 numbers to determine the winner of the Fortune Five game in the state lottery. If the order of the numbers is insignificant, how any different ways can a winning quintuple be selected? What is the
asked by Al 
simple subjects
Last year I made a beautiful red box kite.
asked by jasmin 
Spanish #2 (URGENT)
Can someone check my work? Create a sport skit/presentation using commands and actions. Escuchanos! Vamos a enseñar cómo jugar al futbol. Pon en los zapatos de fútbol. Trae un balón de fútbol. Va al campo. Golfea el balon con el pie. Corre al balon y
asked by Larry 
math
A group of students are standing in a circle. Each student faces someone across the circle. If student 2 faces student 9, how many students are in circle?
asked by ladoo 
Social studies
Which of the following is an example of an analogy? A) The results of this survey showed that people like our product more than our competitor's product. B) There is a national trend toward healthier eating; as a result we should see an increase in the
asked by Fred 
biology
Name the three substances that are produced when water molecules are broken down during the light reactions.
asked by lalka 
algebra 2
find the x and y intercept of the function y=3x+4 y=x^2+7x+12
asked by kate 
physics
A child is pushing a shopping cart at a speed of 1.5 m/s. How long will it take this child push the cart down an aisle with a length of 9.3 m?
asked by Ciera 
English (The Tempest)
hi Can someone explain to me about the theme of Illusion of Justice? if i have a question like analyse the theme of illusion of justice?? as an answer..should i talked how Prospero took his revenge against those who have betrayed him...by Ariel and
asked by Taskeen 
Stats
Suppose that you are given the following information about the freshman year GPAs and the SAT scores of students entering a certain college: Mean SAT= 1125, Standard Deviation SAT= 150, Mean GPA= 2.68, St. Dev. GPA= 0.82 and r=0.65. a)Use the above
asked by CM 
Math
Could someone show me how you would do the following question. Determine the roots algebraically by factoring: x^3  8x^2  3x + 90= 0
asked by Selena 
5th grade
How many different fourdigit numbers can you make from the digits 1,2,3, and 4 if each digit is used only once?
asked by marissa 
Media Law
What are the most pressing challenges facing U.S. copyright enforcement interests today in the context of the proliferation of overseas, especially thirdworld copyright piracy?
asked by Carmin 
math
How would I find the deriviative of: (x^3/3) + (x^2/2) +x
asked by none 
Statistics
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection
asked by stat 
business
Describe the driving business forces in both the foreign and domestic environment. In what ways do they operate differently? Why? Provide an example.
asked by kim 
Physics
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.
asked by Natasha 
7th grade
I would like to know about the history of the omads of North Aerica?
asked by Stephen Fleary 
Physics
A box weighing 5kg sits on a box weighing 10kg. The static friction between them is .5. There is no friction under the bottom box. How much tension is needed on the bottom box to make the top box slide?
asked by Bob 
Kinematics. Newtons Laws
A standard man does reverse curls in a gym. He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 127 kg, what is the tension in each of his shoulders? Consider the weight of the arm and the weight of the
asked by Natasha 
math
how do you write the math expression for the product of 82 and g
asked by jacob 
5th grade math
9m + 453=60 What does M equal.
asked by Mbaintu 
Physics
an object of mass m1= 311 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is connected to a second object of mass m2 = 355 g on the adjacent horizontal surface. Further, an external force of
asked by Phoebe 
SAT sentence completion
DESPITE stephanie's dog's ________appearance, she spent _______________ amount on grooming i put despite stephanies dogs orderly apperance, she spent an enormous amount on grooming the answer: despite stephanies dogs disheveled apperance, she spent an
asked by Andre 
chemistry
how many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated
asked by Tierney 
Science
why cant you see cytoplasm in any light microscope power?
asked by JEFF BOMB 
PREALGEBRA
A nurse wishes to to add water to 60 ounces of 20% solution of benzalkonium chloride to dilute it to an 8% solution. How many ounces of water does she need to add?
asked by fAITH 
Chemistry II
2NOCl>2NO + Cl2 Time(s) [NOCL)(M) 0 0.200 575 0.158 995 0.137 2080 0.102 a) Calculate the rate constant, k, and include units. b)What is the average rate of reaction between time 0 and 995 s?
asked by Mandy 
PHYSICS
Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 2.4 N. With the three mass values given as m1 = 604 g, m2 = 744 g, and m3 = 693 g. Calculate the
asked by Hannah 
Science
(microscope crossword puzzle)What is a 6letter word for eyepiece and the word begins with an "O?"
asked by Terri 
Psychology
How would you explain the conduction of an action potential and release of neurotransmitters in the brain to your young brother or sister?
asked by Anonymous 
Physics
An 11,000 N test car travels 44.5 m before stopping from an initial speed of 28.7 m/s on dry horizontal pavement with its wheels locked. (a) make a free body diagram of this car while its slowing down. (b) what external force causes it to slow down. (c)
asked by SaraH 
scientist
Scientists do their experimental tests more than once, so they can reduce the effects of chance errors. This is called conducting______________. I need help with this one.
asked by jaimie 
introduction to accounting
the proprietos of two businesses, L.L. sams company and Melinda Garcia career services, have sought loans form you. to decide whether to make the loans, you have requested thier balance sheets
asked by ana 
Civics
Many American presidents have achieved more success in foreign policy than in domestic affairs. Explain why this may be so.
asked by Jennifer 
Political Science
Any one willing to help with a paper i will offer $
asked by Jesse 
Physics
a standard man intending to do reverse curls in a gym. He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 140 kg, what is the tension in each of his shoulders? Consider the weight of the arm and the
asked by physics student 
LANGUAGE ARTS
ANTIETAM WAS THE MOST DEBASTATING ONE DAY BATTLE OF THE CIVIL WAR. IN THAT SENTENCE WAS IS THE VERB BUT IS IT CONNECTION ANTIETAM AND BATTLELINKING VERB
asked by JAKE 
Chemistry
two hydrates were weighed, heated to drive off waters of hydration, and then cooled. The residues were then rewieghed. Based on the follwing results, what are the formulas of the gydrates? Compound. Initial mass. M after cooling NiSO4*xH2O 2.08 1.22
asked by Sara 
math 117
Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour, and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office
asked by Rmz 
Chemistry 130
Can someone please help me and let me know if these questions and answers are correct? I just need a second opinion…and if there not correct can you help me…please?!? 1.(3). In the Arrhenius definition, an acid is a substance that a. turns litmus paper
asked by Jess 
math
THanks for your help with the last question, but now I have anew one. Can 2 consecutive whole numbers be prime factors. THanks to all who answer. Laurel
asked by Laurel 
Math
A certain type of thermal battery for an airplane navigation device backup power has a mean life of 300 hours with a standard deviation of 15 hours. Assume a normal distribution of backup power device lives. What proportion of these batteries can be
asked by Anonymous 
chemistry
1a. You fill a small graduated cylinder with exactly 10.00 ml of distilled water with a temperature of 20.0oC which weighs 10.00 grams. You pour out the water and put in 10.00 ml of ethanol into the same graduated cylinder which weighs 7.893 grams. What is
asked by Mitchell 
Calculus
y = ln(3x+5), then d^2y/dx^2 = a. 3/(3x+5) b. 3/((3x+5)^2) c. 9/((3x+5)^2) d. 9/((3x+5)^2) e. 3/((3x+5)^2)
asked by Lauren 
Spanish (URGENT)
I'm learning about the irregular verbs "Conocer" and "Saber" The teacher told us how to differentiate between the two and when to use which. But I still find it very difficult to know when to use which one. Can anyone help? Are there any tricks or tips
asked by Larry 
Math
I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= 5 1.y=2 whne x=7 2.y=2 when x=2 3.y= 17 when x=4 y varies directly with x. 1.if y=6 when x=2,find x
asked by alex 
2nd grade
what is a mapkey
asked by mike 
Civics
I have just one more question. Should Congress play a greater role in the formation of American foreign policy? Why or why not? I think Congress shouln't, because they may not want the president to reach an agreement with another country, so that country
asked by Jennifer 
3rd grade
how you can use a hundred chart to subtract 12 from 46
asked by mahbubur 
science 7th grade
What might be the benefits of knowing the organelles of a cell?
asked by miley 
social studies
WHY DID EXPLORERS COME TO THE NEW WORLD/
asked by social studies 
math
A)Use the quadratic equation: Tickets=0.2^2+12x+11, to determine the last day the that tickets will be sold.(Note: write answer in terms of the number of days after ticket sales begin, x=1 is the day tickets go on sale) B)Will tickets peak or be at a low
asked by Rmz 
algebra 1
Determine the solutions to the quadratic equation 10x2 + 30x  20 = 0.
asked by jyn 
Health
Discuss coding for obstetrics,including items covered by the global fee for antepartum and postpartum periods of normal pregnancy.
asked by Michelle 
science
What is a specific characteristic used to classify organisms?
asked by cmaci14 
World History
What contributions did Egypt made to the world?
asked by Troy 
geography
name the region that is east of the fall line of virginia
asked by tata 
biology
WHy is it better to use a wet mount preparation rather then a dry one? are plant and animal cells prokaryotic or eukaryotic? WHy do cells have different shapes and sizes?
asked by anonymous 
Statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard deviation of the
asked by stat 
Kinematics. Newtons Laws
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below. Use m1 = 1.2 g, m2 = 254 g and F = 0.7 N to find the force between the two objects.
asked by Natasha 
Math
What does the digit 4 mean in the number 974,233
asked by Jasmine 
Statistics
A research article included the following table: Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation. Questionnaire Before After Change Dominance 18.42 16.31 2.11 Independence 17.25 21.38 4.13** Conformity 18.97 17.20
asked by stat 
Grade 12 Chemistry
How does the rate of corrosion of iron on the moon compare to that on earth? I need enough info to write a whole paragraph on it...plz help
asked by plato 
social studies
what does place mean?
asked by kameron 
Statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard deviation of the
asked by stat 
world history
What is a good picture or symbol for the second continental congress
asked by worldhistory12345 
3rd grade
what does property mean in 3 rd grade math example 4+8= 12 find the property
asked by shemar 
foundations 4 algebra
what is a central tendency?
asked by Izzy 
Civics
What is domestic affairs?
asked by Anonymous 
3rd grade
Round to the place of the underlined digit. example 16 the 1 is underlined.
asked by angelina 
Math 11
with quadratic functions how do you know if a parabola on a graph is supposed to open upwards or downwards? ex. y=4(x+1)2+4 [The 2 after the bracket is a square)
asked by Kelly 
science
Nutrition for the growing child
asked by Dipanker 
Physics
Three objects are connected as shown in the figure below. They move along a horizontal, frictionless surface, and are pulled to the right with a force Fext = 2.4 N. With the three mass values given as m1 = 604 g, m2 = 744 g, and m3 = 693 g. Calculate the
asked by Hannah 
math
The question is 25squareroot symbol 24 divided by 5 square root symbol 2
asked by eric 
Geography Hook for Presentation
Were doing a 5 minute presentation to the class on tornadoes comparing the Tornados in Region, to Barrie Canada. Just wondering if anyone had any creative ideas we could use to hook the class in to this topic! any suggestions would be wonderful, Thanks
asked by Leah 
math
how knowing the number of pennies in one jar can help you estimate the number of pennies in a second jar that is four times as large. give me an example.
asked by jasmin 
Cultural Diversity
Post your response to the following: If someone made the below statements to you, how would you explain that the statements are misconceptions? Include whether you think most Americans believe these misconceptions, and why or why not.
asked by jckkoo 
English
What is a just so story?
asked by Anita 
Grammar
Analogies 1. Fabricate::Excuse a.Sew::Needle b.Interview::Reporter c.Tell:Story 2.Martial::Weaponry aSold::Sales Person b.Soft::Wool
asked by Niley 
algebra
what are at least 3 points that equals this equation 3+y=(x5)^3
asked by kim 
Accounting
On Jan 1, 2009 the following activitis occurred: a) ICDI, a consulting services company, was orgainized and issed 10,000 shares of capita stock in exchange for $500,000 cash. b)UCDI entered into an agreement with a landlord and paid $60,000 or 6 months
asked by Bel 
add this
(4)+6+45=x
asked by arturo 
biology
it is everything that occupies a place in the space
asked by erin 
SOCIAL STUDIES
without our two great political parties cutting acrOSS ECONOMIC AND GEOGRAPHIC INTEREST, DEMOCRACY AS WE KNOW IT COULD NEVER HAVE BEEN MADE TO FUNCTION, THE AUTHOR OF THIS STATEMENT PROBABLY MEANT?
asked by TASHA 
english grade 6
what is a double consonant?
asked by Matt 
english
Draw a line under the complete predicate. Circle the simple predicate.. My hikers' club went to the Mojave Desert. We drove to Joshua Tree National Monument. I climbed boulders with our group leader.
asked by jasmin 
simple subjects
Our tour guided took us to some of the shops after lunch.
asked by jasmin 
6th grade
i need a picture with all the contents
asked by dante 
english
how does the poet use the image to promote his point of view in the poem Vulture
asked by Lucie 
Physics
A standard man wants to do reverse curls in a gym. He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 140 kg, what is the tension in each of his shoulders? Consider the weight of the arm and the weight of
asked by Natasha 
PRE ALGEBRA
On an NBA team the two forwards measure 6'8" & 6'6" and the two grounds measure 6'0" & 5'9". how tall a center should they hire if they wish to have a starting team average height of at least 6'5" ?
asked by AFaith 
biology
i am writing this lab in seed germination and this is my hypothesis: If there is high amount of salt in the soil then it affects the biological process. i don't know how to explain it i mean the hypothesis is clearly explained... how to expand it ? or
asked by Anonymous 
math
he threw 3 balls and scored 19 points. How much is each ball worth?
asked by tom jones 
Physics
Imagine a rightangle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is
asked by Leah 
Science
when volcano erupts do earthquake occur during the eruption please help
asked by Tony 
Language
Instead, he enjoyed looking for hours and hours... In this phrase is the word looking a noun, adjective,verb, or an adverb?
asked by Elisa 
drwls
thankyou for your help its helped me alot you are a star!
asked by dominique 
math
use the digets 2,4,6,and 8 to create an expression with a value of 2
asked by Ivan 
drbob222
thankyou for your help its helped alot.you are a star!
asked by dominique 
Physics
a standard man wants to do reverse curls in a gym. He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 140 kg, what is the tension in each of his shoulders? Consider the weight of the arm and the weight of
asked by Alex 
math
Decide if the following statement is true: Two concurrent lines can never be perpendicular. Explain why or why not?
asked by Ken 
Algebra
How do you change an equation to standard form (Ax+By=C) when given the slope and a point on the line? Does A,B, or C represent anything singificant like slope or x or y intercept?
asked by Rylie 
math
What are consecutive numbers? I don't get this question, "Is it possible that 3 consecutive numbers can be prime factors?
asked by Laurel 
math
Use the associative property of addition and the distributive property to justify that a(b+c+d) = ab +ac+ad Help? I don't know what it's asking..
asked by jane 
math
Thanks for all of the math help!!
asked by Laurel 
chemistry
The cost on the shipping of chemicals is dependent upon the weight of cargo upon loading. You have a choice of purchasing 9,000 gallons of ethanol from Florida or Minnesota. The temperature of the cargo leaving Minnesota is 15.0oC while the temperature of
asked by Mitchell 
french
can you check these you cannot eat a lot of chocolate tu ne porrais pas manger beaucoup de chocolate you could go running every weekend tu porrais aller courir chaque weekend you couldn't go swimming after you just ate tu ne porrais pas aller nager apres
asked by georgie 
chemistry
What it the percentage of sulfur and copper(I) sulfide, Cu25
asked by Tierney 
math
A basketball tournament starts with 64 teams. After one loss the team is out. How many games will the winning team play in the tournament?
asked by ladoo 
math
A group of students are standing in a circle. Each student faces someone across the circle. If student 2 faces student 9, how many students are in circle?
asked by ladoo 
Physics
a standard man intending to do reverse curls in a gym. He holds his arms straight, using an overhand grip to hold the bar. If the mass of the bar is given as 140 kg, what is the tension in each of his shoulders? Consider the weight of the arm and the
asked by lynn 
socials
look up these people or places and state who or what they are: Bastille: royal prison and fortress Corday: a Girondist who assassinated a leading Jacobin, JeanPaul Marat Feudal: economic and social Girondists: One of the most important clubs, whose
asked by Emma 
Physics
Imagine a rightangle triangle with angle θ = 40o on the left. The serves as an increasing slope. On the slope is an object of mass m1= 340 g on an inclined surface. The angle of the inclined surface is θ = 40o with the horizontal. The object m1 is
asked by lynn 
science
Does anyone have some good info about plant and animal cells?
asked by Laurel 
math
6+3h=3, how do i get "h" by itself?
asked by Anonymos 
english
how does achebe use the image to promote his point of view
asked by Anonymous 
rr
What insights or reactions do you have concerning what you now know about the field of business?
asked by Anonymous 
language
Does anyone have any good morals or ideas for writing a parable?
asked by 1234 
chemistry
Sorry bobpursley for the multi post< i kept posting it wrong. thanks for yur help
asked by Tierney 
Proper Grammar
I am just editing my essay for my one class and this is a question I always get stumped on which is the proper way. Would a comma or period go inside the quotation marks, or outside? Example, "The dog ran extremely fast." "The dog ran extremely fast". and
asked by Kelsey 
Language Arts
What is a good HOOK or eyecatcher for this topic? Topic: The importance of Computers in school.
asked by Sally 
science
How do I find what are challenges and urbanization in the 1996 Dubai awards? Some ideas on what to look for
asked by mary 
science 275
how to find what benefits and challenges of urbanization in 1996 ubai awards?
asked by Mary 
catholic religion
thank you markricebowl for your help. my teacher wants us to get the answer by reading Ezekiel 18: 132 but i am still comfused please help i need to give it tomorrow morning........thanks.
asked by heather 
Physics
There is a 5kg box sitting on top of a 10kg box. The static friction between them is .5. What is the maximum tension that can be placed on the bottom box without causing the 5kg box to slip. The surface is flat.
asked by Kathy 
science
I am not really sure about the cell thing, I am just not really getting the full concpet.
asked by 1234 
to mattsricebowl/religion
thank you mattsricebowl for your help. my teacher wants us to get the answer by reading Ezekiel 18: 132 but i am still comfused please help i need to give it tomorrow morning........thanks.
asked by heather 
social studies
why did people settle in southern mesopotamia?
asked by Jazz 
math
Find all numbers for which the rational expression is undefined 9 divided by 8w + 9
asked by pepi 
world geography
east timors violent fight for independence devolped primarily from: A)***ethnic differences and conflicts between christians and muslims B)u.s involement in indonesian affairs C )the activities of french colonist in indonesia in the 1700s D)the rise of
asked by henry 
w.g
early cultures devolped in southeast asia through: A)extensive marititme trade B)***isolated pockets of ethnic devolpment C)contact with europeans traders D)contact with christians missionaries my choice is b
asked by henry 
simple subjet
A fifteenyearold girl was awarded first prize a brandnew kite.
asked by jasmin 
Calculus
f(x) = sq.root(e^2x+1), then f'(0)= a. sq.root(2)/2 b. sq.root(2)/4 c. sq.root(2)/2 d. 1 e. sq.root(2)
asked by Lauren 
math for 6 grade
write and solve an eqution for the following: there are 17 children in the class. 5 more join the class. how many students are in the class.
asked by math for 6 grade 
writing
I have to use the word wanton in a sentence as a noun, I can't come up with anything, any suggestions?
asked by Alyssa 
U.S goverment
what were the reasons our fathers created 3 different branches of goverment??
asked by Mary 
science(cells)
CAN YOU SEE THE CYTOPLASM OF A CELL IN ANY LIGHT MICROSCOPIC POWER?
asked by JEFF BOMB 
Mass Communication Studies
What legal issues must be considered when digitally manipulating images downloaded from the Internet for use in a new book?
asked by Beth 
PE
What is BTEC Sport and what is it about?
asked by Johnny 
2nd grade
what is a part of the earth that is shaped in a special way, is that a landform
asked by mike 
world history
What is the historical significance of the stamp act?
asked by worldhistory12345 
Physics
you a resident physician are reading the medical chart o a normal adult female patient carelessly one of the nurses has entered this nurse's suggestion is physically reasonable: (a) the number is 150 and units are kilograms. (b) the number is 4.25 and the
asked by Nick 
Math
What is another way of naming 541,000?
asked by Itzel 
simple subjects
Fifty contestants are competing for first prize this year.
asked by jasmin 
math
Write each ratio as a fraction in simplest form : 11 1/3 out of 50 2/3, 5 1/4 out of 20 3/4, 28 1/2 : 30 1/4
asked by Brooke 
Writing
would this sentence be using the word incognito as an adverb or noun? The superstar went incognito so that she could enjoy her vacation without any autograph signing.
asked by Alyssa 
MATH
FOLLOW THE ORDER OF OPERATIONS TO FIND THE VALUE OF EACH EXPRESSION. 45 DIVIDED BY 9 MULTIPLE 3 =
asked by Bradley 
social
The direct approach for delivering bad news is best for persons who A) you do not know well. B) prefer straightforward messages. C) are unfamiliar with your company. D) All of these. im not sure if the direct approach is based on people knowing each other
asked by Eric 
Agebra 1
Is it possible for the additive inverse of a number to be its reciprocal?
asked by Shavaleir 
algebra
a car goes at a constant speed for 120 kms, on the way back he goes at half the speed. he drives for a total of 4 hours and 30 minutes. what are the two speeds?
asked by Kayley 
history
what is the name of the pennsula east of virginia
asked by mimi 
7th grade
WHICH OF MNEWTONS LAWS EXPLAINED WHY THE BALLON MOVED ? WHY?
asked by Anonymous 
French
Can anyone give me ideas on how to learn the verb 'avoir' and to know the subject pronouns. Thankd
asked by Lewis 
world geography
the word aborigine comes from the latin ab orgine and means: A)"the people" B)**"from the beginning" c)"out of the earth" D)"to the end"
asked by henry 
hsitory
what caused the Punic Wars? how did the wars contribute to Rome's empire?
asked by j cook 
history
who explored the swamp area in the coastal plain in virginia
asked by mimi 
social studies
What contributions did Abraham Lincoln make before his death?
asked by Scout 
world geography
because _____,oceania became a region of many different languages A)various cultures groups refused to speak to one another B)each group considered its language a scared gift not to be shared C)**indigenous peoples were separated by mountains deserts and
asked by henry 
MATH 116
In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Write an expression that illustrates the total cost of all baked goods in the scenario above
asked by ggift 
world geography
what do australia and new zealand must import? machinery and raw materials to set up export manugfactoring
asked by henry 
physics
what does the shape of a distance vs. time graph indicate?
asked by hello 
geography
whats the name of one of the states to the west of virgiia
asked by tata 
Statistics
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection
asked by stat