Questions Asked on
February 25, 2008

Physics
A beam of protons is accelerated through a potential difference of 0.745 kV and then enters a uniform magnetic field traveling perpendicular to the field. (a) What magnitude of field is needed to bend these protons in a circular arc of diameter 1.75 m? (b)
asked by J 
Chemistry
BrO3 + 5Br + 6H+ > 3Br2 + 3H2O the value of  delta[BrO3]/delta T= 1.5x10^2M/s at a particular time what is the value of delta [Br]/Delta t at the same instant? 13 M/s 7.5x10^2 1.5x10^2 3.0x10^2 330 M/s
asked by drew 
Physics
A truck driver slams on the brakes and skids to a stop through a displacement of delta x. (a) IF the truck has twice the mass, by what factor does the stopping distance change? 1) 0.25 or 2) 1 or 3) 4 (b) If the initial velocity of the truck were halved,
asked by John 
CHEM  PLS help!!
What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11 OH). Would the solution become saturated or not??? What would the colour change be...if any?? Would a precipitate be formed??
asked by K 
Chemistry please check
1. Which of the following would occur as saturated hydrocarbons? alkanes alkenes alkynes cycloalkynes ans: alkanes 2. There are millions of organic compounds but only thousands of inorganic compounds because atoms of elements other than carbon never
asked by Mary 
Physics
Batman (mass = 90 kg) jumps straight down from a bridge into a boat (mass = 530 kg) in which a criminal is fleeing. The velocity of the boat is initially +20 m/s. What is the velocity of the boat after Batman lands in it?
asked by Zach 
chemistry
how many atoms are present in 80.0 mol of zirconium?
asked by hokoslavia 
math
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours
asked by Mike 
Chemistry
what is the rate law of S2O8^2 + 3I > 2SO4^2 + I3
asked by Lauren 
biology
describe 4 steps of "Aerobic Cellular Respiration"
asked by lalaine 
Science
The first speed limits for cars were two miles per hour in a city and four miles per in the open country. How long would it take for a motorist to travel 15 miles assuming that he had to travel in the city. Please show work.
asked by Jennifer 
reading
what is a stressed vowel??
asked by alyssia 
biology
the blank is a series of canals that forms intricate connection links between the plasma membrane and the nuclear membrane
asked by chris 
Math
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours
asked by Mike 
SCIENCE
How do the purpose and function of the board of directors in a human service organization affect daytoday operations?
asked by Anonymous 
Physics
With the engines off, a spaceship is coasting at a velocity of +210 m/s through outer space. It fires a rocket straight ahead at an enemy vessel. The mass of the rocket is 1350 kg, and the mass of the spaceship (not including the rocket) is 2.5 106 kg. The
asked by Vaughn 
AP History
Does anyone know a web site where I can get answers to an AP History packet?
asked by Shelly 
managerial economics
At a recent board meeting, the president and CEO got into a heated argument about whether to shut down the firm's plant in Miami. The Miami plant currently loses $60,000 monthly. The president of the firm argued that the Miami plant should continue to
asked by jean 
Algebra
Find the following. Assume that variables can represent any real number. SqRt(a+8)^2= 8a^2?
asked by Micah 
Chemistry
what is the rate law of S2O8^2 + 3I > 2SO4^2 + I3
asked by Lauren 
chemistry
When 0.627 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 102C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. The molar heat of reaction, H rxn,
asked by Anonymous 
Chemistry
When 0.655 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 107C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant
asked by Anonymous 
Calc
We assume that an oil spill is being cleaned up by deploying bacteria that consume the oil at cubic feet per hour. The oil spill itself is modeled in the form of a very thin cylinder as depicted below. Its height is the thickness of the oil slick. We
asked by Anonymous 
physics
A short train (an engine plus four cars) is accelerating at 1.10 . The mass of each car is 38000 , and each car has negligible frictional forces acting on it. In solving this problem, note the importance of selecting the correct set of cars to isolate as
asked by jose2 
Physics
A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assumecontrary to factthat the resistive force due to the
asked by John 
geometry
What is an easy way to find the orthocenter of a triangle?
asked by Lauren 
chemistry
Please finish: Atoms of different elements have different number of ......
asked by lizzie 
Devon
A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain $15 million. If the project fails, she will lose $3 million. She estimates there is a 20% chance that the project will succeed and
asked by Economics 
Physics
A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assumecontrary to factthat the resistive force due to the
asked by Peter 
Physics
A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.0 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which
asked by Peter 
Economics
A person must decide whether or not to proceed with a particular investment project. If the project succeeds, She will gain $15 million. If the project fails, she will lose $3 million. She estimates there is a 20% chance that the project will succeed and
asked by Devon 
algebra 2
Could you help me on solving these please? thanks 135 = 5b^3 and 9.6=.3b^x
asked by cal 
Maths
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours
asked by Tushar 
chemistry
how many moles of platinum are equivalent to 1.20 x 10^24
asked by hokoslavia 
Math  Linear Inequalities
The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ½ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours
asked by Tushar 
Physics
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,
asked by Jose 
AED
Compare the behaviorist and constructivist educational theory. In what situations do you think either theory will be more effective in the classroom? Why?
asked by Dawn 
algebra
If a is 50% larger than c and b is 25% larger than c, then a is what percent larger than b? (a) 20% (b) 25% (c) 50% (d) 100% (e) 200%
asked by Ash 
Algebra
What is the sum of all two digit positive integers whose squares end with the digits 01?
asked by Ash 
Algebra
What is the sum of all possible digits that could fill in the blank in 47_021 so that the resulting five digit number is divisible by 3?
asked by Ash 
Algebra
The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.
asked by Ash 
Algebra
All the even numbers from 2 to 98 inclusive, except those ending in 0, are multiplied together. What is the rightmost digit, that is, the units digit of the product? (a) 0 (b) 2 (c) 4 (d) 6 (e) 8
asked by Ash 
Chemsitry
Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00
asked by Anonymous 
Physics still don't get it
Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quartermile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in
asked by Anonymous 
english
so i have to write a story in which the main character makes a mistake, get into amusing trouble, and tries to get out of it. i need an idea to start out with if someone can give me a who what when where why and how that wud be also fantastic thankz p.s. i
asked by Anonymous 
English
i got some ideas from ms.sue (thankyou) How about  a kid who boasts that his big brother can beat up another kid's big brother? or  a person who shoplifts a candy bar and is then accused of shoplifting much more? or  a girl who boasts about her
asked by Anonymous 
social studies
For school I have to write a report about Kashmir. (I think that's how you spell it.) Anyway, I know that there is a lot going on with Nuclear bombs and such, but I am not sure what else. This report has to be at least 2 pages long and I can't think of
asked by Taylor 
poli sci
whatdoes a statecraft appraoch mean?
asked by christi 
Math
If a graph is a straight nonverticle line, is it the graph of a function? Use complete sentences to explain your reasoning.
asked by Jennifer 
Math
Is y=4(x)+9 a linear function. Use a sentence to explain your reasoning.
asked by Jennifer 
science =)
How do the local schools contribute to the weather forecast? thx a lot!!
asked by Nick 
History
Who were the First Nations people living by Lake Huron? What was started to protest the signing of the Rebellion Losses Bill in the Parliament Buildings in Montreal? What is a colony that is governed directly by a king or queen in another country?
asked by Alyssa 
english/please revise
objective is to cmpare their "differing academic backgrounds and approaches to studying the presidency" Do I need to add enything else? Maximizing the notion of a modern presidency, dating back to Franklin D. Roosevelt, political scientist Richard Neustadt
asked by christi 
biology
what involves the ingestion of fluid by inward movement pf part of the membrane
asked by chris 
Physics
An object of mass 13 kg going to the right with a speed of 9m/s collides with a 10kg object at rest. If the collision is completely elastic, calculate the speed of the 10 kg object after collision.
asked by Maria 
MAth
Can someone check over these math problems that I did? Please? 1. The bloodhound, a type of dog, has 4.0 X 10^9 (10 to the ninth power) scent receptors in its nose. A human has 1.2 X 10^7 scent receptors. How many times more scent receptors does a
asked by skye 
biology
most cells have a powerhouse organelle energy from sugars and fatty acids.These powerhouse organells are called what?
asked by chris 
Algebra
GCF for the group of terms 42a^4, 7a^5 42a?
asked by Micah 
social studies
unleart
asked by megan 
Poetry
What is an analysis of the poem A Dream Within A Dream by Edgar Allen Poe?
asked by Frances 
Science
Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem
asked by Kathryn 
science
Does flowers store food?
asked by shana 
Chemistry
How can you tell the wavelength of blue light if given it's frequency?
asked by karen 
history
How did Indian and EuropeanAmerican cultures affect each others?
asked by sammy 
NURSING
identify a new law or regulation that affects the practice of public health or community health nursing.
asked by Laly 
biology
what involves the ingestion of fluid by inward movement of part of the membrane
asked by chris 
nURSING
identify a new law or regulation that affects the practice of public health or community health nursing
asked by Laly 
Science
How do speakers work I am in 8th grade and have to write a 5 pargaph essay
asked by katie 
English
does this need a comma: Over six billion souls in the world and they all have something in common. Thanks for ur help.
asked by J 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above
asked by Math help 
English
Is this a strong thesis: The characters of the novel demonstrate how misery drives people to do things they would not normally do.
asked by J 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: In what interval you would expect the middle 95% of the IQ scores to be found.
asked by Math help 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: What percent of people would have an IQ score above 116.
asked by Math help 
English
Can someone please list the elements of literature?
asked by Billy 
english
i have to act out the first half of act3 scene 5 in romeo and juliet and i have to have some props. does anybody have any ideas for what i could use?
asked by christina 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: What percent of people would have an IQ score 68 and 84.
asked by Math help 
Math
finding the area of each trapazoid
asked by Alicia 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: What percent of people would have an IQ score of at least 132.
asked by Math help 
Statistics
Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 689599.7 Rule, Determine: 1. What percent of people would have an IQ score of no more than 68. (2).What percent of people would have an IQ score of 100 or above.
asked by Math help 
english
when citing long quotes do i put the parentheses with the page # after the period or before? thanks for ur help.
asked by J 
Biology Lab
Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and
asked by FOR A SCIENCE TEACHER 
Trigonometry
Hello all, In our math class, we are practicing the trigonometric identities (i.e., sin^2(x)+cos^2(x)=1 or cot(x)=cos(x)/sin(x). Now, we are working on proofs that two sides of an equation are equal (for example, sin(x)*csc(x)=1;
asked by Timothy 
english
ya i cant find any because all they are doing in my part is talking and they don't use any props... so i don't know what to do ..
asked by christina 
math
Can two rays intersect? Explain.
asked by James 
math..HELP!
Can someone check over these math problems that I did? Please? 1. The bloodhound, a type of dog, has 4.0 X 10^9 (10 to the ninth power) scent receptors in its nose. A human has 1.2 X 10^7 scent receptors. How many times more scent receptors does a
asked by skye 
Physical science
A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22 seconds after landing on the pad. Calculate the athlete's velocity just before reaching the pad. Answer in m/s. I am so confused
asked by Anonymous 
Algebra
10^7x8.48= 848,000,000?
asked by Micah 
Statistics
According to Pew Research, the contact rate (probability of contacting a selected household) in 1997 was 69% and in 2003 was 76%. However, the cooperation rate (proability of someone at the contacted household agreeing to be interviewed) was 58% in 1997
asked by Danielle 
mathematics
seeds of type A and type B are sold in packets, each must contain 1) both type a and type b seeds 2) at least twice the amount of type B as there are type A 3) no more than 12 seeds state the minimum number in each paket of type A and of type B if here are
asked by keisha 
English
Discuss how T.S. Eliot's "Love Song of J. Alfred Prufrock" displays evidence of traditional poetic conventions and themes, yet is obviously an example of modern poetry.
asked by anonymous 
math
I need help with equations. 4X+Y=16
asked by Anonymous 
language
list of most popular homophones
asked by Darian 
Chemistry
The reaction X + Y > Z the reaction rate is for to depend only upon the concentration of X. A plot of 1/X versus time gives a straight line. What is the rate law for this reation?
asked by Lauren 
Chemistry
The foreces of attraction between molecules of I2 are: covalent bonds ionic bonds dipoledipole attractions london forces hydrogen bonds
asked by Lauren 
Communications
I need help finding information on the Social Penetration Theory
asked by lori 
algebra
i need to simplify the square root of 600 and the answer is 2 times the square root of 2 divided by 3
asked by cindy 
Aed 200
What are the fundamental differences between Western philosophies and Eastern ways of knowing? (Generally, how does each culture view the world and education?) How can you incorporate seemingly different ways of knowing in your curriculum? What are the
asked by Dawn 
Chemistry
An aqueous solution of a non electrolyte boils at 100.32 degrees C. The expected freezing point for this solution is ______? (Kb water = 0.512 degrees Cm^1, Kf water= 1.86 Degree C m^1) a. 0 Degrees b. 0.32 c. 0.83 d. 1.16 e insufficient information
asked by Lauren 
COM 135
Identify the optional criteria you want to include in your final project, and explain your reasoning for selecting these options. · Describe the technical or electronic product you have chosen for the Clear and Concise Technical Instructions assignment.
asked by Dawn 
holidays and temp.
what season is easter in? is it spring? how about thanksgiving day? what season is that in? How's the weather in winter for Alaska and Seattle?
asked by anonymous 
Chemistry
The reaction X + Y > Z the reaction rate is for to depend only upon the concentration of X. A plot of 1/X versus time gives a straight line. What is the rate law for this reation?
asked by Lauren 
algebra
how do you solve this? x+4/x^2x6 + 3x2/x^2+3x+2
asked by Anonymous 
Science
what are some nonliving and/or living factors that contributes to energy conservation?
asked by Anonymous 
Math: Vectors  Collinear
Can you please check whether my answers are correct? If they aren't, how would you find if the points are parallel to one another with 3 coordinates? Using vectors, demonstrate that these points are collinear. a) P(15 , 10) Q(6 , 4) R(12 , 8) Vector PQ =
asked by Anonymous 
Bio
Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and
asked by Grade 12 Biology 
Physics
An electron beam of a TV picture tube is accelerated through a potential difference of 2.00 kV. It then passes into a magnetic field perpendicular to its path, where it moves in a circular diameter of .360 m. What is the magnitude of the field? I am lost.
asked by J 
physics
A 0.052kg arrow is fired horizontally. The bowstring exerts an average force of 80 N on the arrow over a distance of 0.75 m. With what speed does the arrow leave the bow?
asked by Zach 
nothing
Quick question: what time zone are the times by the names in? and how many hours do you subtract or add to get the time for pacific coast?
asked by Emily 
Business law
I am trying to understand what it means to be "incompetent" in Law. How is one judged as such?You can't tell by just looking at someone if wheteher they are incompetent or not to enter into a contract? I am really confused.
asked by Mike 
Chemistry
I have just moved and transferred to a new school. My chemistry class is really ahead of my old class, so I am having some problems that I just cannot understand through the book. I guess I could ask the teacher but I am a bit shy and this assignment is
asked by Jessica 
math
solve using substitution 4x + 3y= 3 2x + y = 1
asked by jose 
world history
were the latins the most important group of people to settle in the German region
asked by cody 
American History
When did the United States own all the lands from Atlantic Ocean to Pacific Ocean?
asked by Nancy 
physics
The figure shows two points in an Efield: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at
asked by Samantha 
Chem history
Why was carbon chosen over silicon in defining the mole?
asked by Kurst 
history
which sides slave on during the Civil war? and why did they switch side?
asked by robert 
chemhelp pls!
When 0.975 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 400C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. Hrxn, for the reaction of CaO(s) +
asked by Anonymous 
Science
Does a body in orbit have acceleration even if its speed remains constant? Explain you answer in DEETAIL.
asked by Jennifer 
American history
Why sometime historian consider Narrative of Slaves are bias and not true ?
asked by Anonymous 
Bio lab question 2
What does adding an acid to an enzyme do to a reaction?
asked by Grade 12 Biology 
chemistry
When 0.911 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 374C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant
asked by jenivy 
physics
A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.30 long and the ball has a radius of 0.170 with
asked by jose 
Math
Hello! Please help me out here. How do you find the circumference of something when you of 13in as your radius? Please answer this question.
asked by Richard 
math
solve using substitution 3x4y=5 x=y+2 HELP Me.!
asked by juan 
ORGANIC CHEMISTRY
how will I be able to form the cis,trans and the cis,cis isomers of dibenzalacetone?
asked by kkk 
algebra
complete the square for the equation x^23x+____ how do I figure out what goes there
asked by chelsea 
Programming
How do I declare how many boxes there are and how much per box with this information..... Write an IceCreamStation class in Java. An ice cream station sells ice cream cones, but needs to buy ice cream (by the pint) and cones (by the box) to make the ice
asked by Scotty 
Physics
Given: g=9.81 m/s square. The parachute on a race car that weighs 8042 N opens at the end of a quartermile run when the car is traveling 35 m/s. What net retarding force must be supplied by the parachute to stop the car in a distance of 1020 m? Answer in
asked by Jenna 
science
I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the same as the study guide almost. They just switch around the words and stuff around to mess with your mind. These were just the only
asked by JAKE 
English
on the story 'Lamb to the slaughter' what changes and feelings does Mary Maloney go through?
asked by Hannah 
English
in chapter 6 what is 1)contrast the attitudes of jack and ralph to the news of the beast. 2)what us the beast from the air? and 3) what is meant by "Piggy hung about near for all his brave words?"
asked by Lindsay 
physics
At a certain distance from a point charge, the potential due to the charge is 5.93 V, and the magnitude of the electric field is 13.5 V/m. (Take the potential to be zero at infinity.) Is the electric field directed toward or away from the charge? Here
asked by Samantha 
Physics
A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which
asked by Zach 
Math
3,17392% of 3,123. Please help me on this problem.
asked by Peter 
maths
FIND A FRACTION SUCH THAT: IF YOU ADD 2 TO THE NUMERATOR, IT BECOMES EQUIVALENT TO 0.5; AND IF YOU ADD 4 TO THE DENOMINATOR, IT BECOMES EQUIVALENT TO 0.1.
asked by chichi 
SCI
what are some nonliving and/or living factors that contributes to energy conservation?
asked by Anonymous 
Algebra
Simplify 3(sqrt{2xy})  2(sqrt{50xy})
asked by Destiny 
grammar
UNSCRAMBLE THESE LETTERS TO MAKE A MATHEMATICAL WORD. NORTHTREDEA
asked by chichi 
Physics
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end moves in a circular path of radius 0.35 m. The force is always applied parallel to the motion of the handle. If the handle is
asked by Eric 
Physics
It is probably easy, but i don't know where to start A hockey puck leaves a player's stick with a speed of 9.50 m/s and slides 27.0 m before coming to rest. Find the coefficient of friction between the puck and the ice. Thank You for helping me!!!
asked by matt 
Math
Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts.
asked by Sherri 
arithmetic
i am a multiple of 7.i am a fector of 210.the product of my two digit is odd.
asked by shennay 
Biology
Hey guys, does anyone know why the coypus callosum is only one color in the brain?
asked by Dick Rogers 
algebra
Simplify ^3sqrt1000
asked by becky 
Economics
Using a diagram. What is the value of the gain to the domestic consumers due to the removal of the tariff in a large country?
asked by Celia 
US History
why are some narrative of slave consider bias by historian?
asked by linh 
math
Generalize this to fine a formula for the integral: sin(ax)cos(bx)dx Could someone tell me what they got for an answer so I can check it to see if my answer is right. My answer: 1/2sinasinbx^21/3acosaxcosbx^3+ integral 1/3 a^2cosbx^3sinax..I'm not sure
asked by Jessica 
Math
Calculate the integrals by partial fractions and using the indicated substitution. Show the results you get are the same. dx/1x^2; substitution x= sin pheta I understand how to do the partial fraction part, but not the second part and I don't know how
asked by Jessica 
french
in french what country is caledonie i can`t find it on the other sites mentioned before. thankyou
asked by carla 
does my paragraph assess # 1 ?
assigment was to compare th views of presidential power and preisdential leadership by corwin and nesutadt include #1) their differing academic backgrounds and approaches to studying the presidency. Maximizing the notion of a modern presidency, dating back
asked by christi 
algebra
i need help on these three..thank you...find the real number solutions of the equation..2v^6=16 2h^512=16h 3q^4+3q^3=6q^2+6q
asked by jimmy 
PLeASE Help
Can someone please take a look at my biology questions I have posted? I am doing a lab that is due tomorrow ( Only got it today) and I haven't learned enough to properly answer these questions. Thanks!
asked by Grade 12 Biology 
science
I need some help with my science homework. Well it is not really my homework it is my study guide but the actual test is the same as the study guide almost. They just switch around the words and stuff around to mess with your mind. These were just the only
asked by JAKE 
chemistry
Why is; a) antimony pentafluroide Sb(3) + F5(1) > SbF4 ? b) aluminium bromide hexahydrate Al(1) + Br(1) > AlBr3 . 6H2O ? The charges don't add up for (b), is there something to do with the "ide"? I don't get it. And for (a) how did "pentafluoride"
asked by annie 
english
for my extended essay i need help reword a question. right now it sounds like a "book report" type question and i need it to a question where i can prove it. Here it the question: Has foot binding effected the culture of Chinese women throughout the ages?
asked by sara 
econ
Would the war in Iraq be considered an economic even that is affecting our lives because the prices of everything are being increased?
asked by lou 
science
when was the first microscope discovered?
asked by ana 
Econ
What are some examples of economic events?
asked by Lou 
Latin
Can someone help me to understand the step by step process of the five declensions? I don't seem to understand what makes the first only feminine, etc, etc. If someone could explain it clearly that would be great!
asked by Suomynona 
physics
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,
asked by jose 
Partial Fractions
I think and this is just out loud that you would do (Cx + D) Over the X^2 + 2? Am I getting that right? OR You have Cx + D over something if the SOMETHING has a term of X to a power greater than one? Am I right?
asked by Sean 
Physics
A 3.60 102kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?
asked by Peter 
finance
Not sure how to solve the following problem. Suppose two athletes sign 10year contracts for $80 million. In one case, we're told that the $80 million will be paid in 10 equal installments. In the other case, we're told that the $80 million will be paid in
asked by help 
Chemistry
could you please check my work? thanks. For the reaction between reactants A and B below, if 4.925 moles of A is placed into a flask with excess B it is found that the amount of A remaining after 6.85 seconds is 2.737 moles. 2A (g) + B (g)> 3 C (g) a.
asked by Kevin 
Math
( / means absolute value) Solve: 3+/2y1/>=1. Graph the solution set on a number line. The number line I have is: 5 4 3 2 1 0 1 2 3 4 5 6 I'm confused on what to do.
asked by Jon 
Ecology
What are the 4 major parts of a Nuclear power plant?
asked by Sarah Foly 
music
explain in full the meaning of binary form
asked by zainab 
school
what are some nonliving and/or living factors that contributes to energy conservation?
asked by Anonymous 
Math
How do I set up this equation? If Y varies directly as X and Y = 12 when X = 3, find Y when X = 16
asked by Sarah 
Math
If f(x)= 5x^24/x, findf(4) 5(4)^24/4 5(16)4/4 804/4 76/4 19(answer)
asked by Jon 
science
the alkalineearth metals react similarly because they all have the same number of electrons in their outer energy level. Which group contains the alkalineearth meatals?
asked by Lenell 
PlEaSe HeLp Me!!!
Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem
asked by Kathryn 
science
how many electrons are in the outer energy level of the atoms of alkalineearth metals?
asked by Lenell 
Math
Write an equation in slopeintercept form for the line that passes through (3,5) and (2,1). y2y1/x2x1 15/23 4/5= slope y=mx+b y=4/5(3)+b 2=2.4+b 4.4= yintercept y= 4/5x+4.4 (answer)
asked by Jon 
Science
Could you help me formulate a hypothesis that explains the changes in population of the yellowheaded blacbird. Factors that influence this change are; Air and Water Quality Climate Change Human Activities But what could be the hypothesis. Thank you in
asked by Lauren 
History
What things need to be considered in finding a solution for the oil problem in the Middle East? What obstacles are there in solving the oil issue?
asked by Christian 
science
This is a science question so be prepared. lol How many orbitals does hydrogen (H) have? 1 or 2 or 3 How many orbitals does oxygen (O) have? 1 or 2 or 3
asked by JAKE 
AP CHEM
For the reaction A + 2B + C > 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate
asked by Gabe 
physics
Conductor "A" has a charge of +6 and conductor "B" has a charge of 8. If the 2 objects are brought together and then separated, what will be the chage on each object?
asked by carrie 
physics
if a neutral object lost 2 electrons, what would it's charge be? it would be positive right?
asked by carrie 
Math
Write an equation for the line that passes through (0,7) and is perpendicular to the line whose equation is y=1/2x1. yy1=m(xx1) y7=2/1(x0) y7=2x0 y=2x+7(answer)
asked by Jon 
Physics
A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which
asked by Zach 
english
In "A Pair of Silk Stockings," the silk stockings are a symbol of A. Mrs. Sommers's inability to handle money. B. Mrs. Sommers's lack of concern for her children. C. Mrs. Sommers's selfish needs. D. Mrs. Sommers's desire for attention.
asked by lisa 
CHEMISTRY PLEASE HELP
For the reaction A + 2B + C > 2 D + E the following initial concentration and initial reaction rates are found: [A]null (M) [B]null (M) [C]null (M) 0.150 0.150 0.150 0.275 0.150 0.150 0.275 0.564 0.150 0.150 0.314 0.253 0.193 0.314 0.217 initial rate
asked by Gabe 
Math
Evaluate h(2/3)if h(x)=[[x2]]. [[2/32]] [[2.67]] 2.67(answer)
asked by Jon 
chemistry
when will a displacement reaction not occur?
asked by mike 
simplifying radicals
helo! i know how to simplify radicals but.. I don't get this one. behind of the radical (square root sign) there is a big gap before the number. Many people are saying it's a typo, but.. i don't know. there are a couple like that. example problem: square
asked by jason 
Kinetics
I'm really struggling to understand this chapter in chem class, partly due to an inadequate math background. does anyone have any tips for learning kinetics? i'm starting to fall behind.
asked by Gabe 
Plastic Moulds ==> Couldn't find anything myself
I'm proposed a way I'd synthesize plastic...polyethylene to shape into a pipe PROBLEM: not sure how or what I would use to make a mold or best method to produce a PIPE not sure what a mold should look like to produce a hollow object like a pipe. OR what
asked by ~christina~ 
Math
Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
asked by Austin 
Geometry
Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
asked by Austin 
BIOLOGY LAB!
If catalase enzyme was placed in a test tube and heated to 100 degrees C, what results would you expect from a glowing splint test? Thanks! Thanks! Thanks!
asked by INSANELY URGENT 
Math
OOPS! Draw a pair of quads. where the angles of the 1st quad. are congruent to the angles of the 2nd quad. No side of one quad. is to be congruent to any side of the other quad. THIS is straight out of the workbook SORRY!
asked by Austin 
chemistry
reinforcement??????????????????? help
asked by Lenell