Questions Asked on
October 25, 2007

Physics
A train slows down as it rounds a sharp bend, slowing from 90.0km/h to 50.0km/h in the 15.0s that it takes to round the bend. The radius of the curve is 150m. Compute the acceleration at the moment the train speed reaches 50.0km/h. Assume it continues to
asked by Ryomasa 
physics
A .400 kg bead slides on a curved wire, starting from rest at point A. If the wire in problem 61 is frictionless between points A and B (down 5m) and rough between B and C (up 2m), and if the bead starts from rest at A, (a) find the speed at B. (b) If the
asked by Anonymous 
Math
A new school has exactly 1,000 lockers and 1,000 students. the student meet outside the building and decide on this plan. The first student will enter and open al the lockers. The second student will enter and colse ever locker with an even number (2,4,6,
asked by Ibby 
Physics
Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical. You need to develop a computer model of her leg to assist in some medical research. If you assume that her leg can be modeled as two uniform cylinders, one with
asked by Dante 
writting skills
In the metaphor of language as a layer cake given in your study unit, which of the following words could be considered to be a frosting word?
asked by demarcus ellis 
Chemistry
Translate the following sentences into unbalanced formula equations: (1) silver nitrate and soduim chloride react to form silver chloride and sodium nitrate. (2) iron (III) sulfate and calcium hydroxide react to form iron (III) hydroxide and calcium
asked by M 
Algebra
A statue is 8ft. tall. The display case for a model of the statue is 18 inches tall. Which scale allows for the tallest model of the statue that will fit in the display case? A. 1 inch: 2 inches B. 1 inch: 7 inches C. 1 inch: 5 inches D. 1 inch: 10 inches
asked by Alison 
physics
A catcher “gives” with the ball when he catches .15 kg baseball moving at 25 m/s. (a) If he moves his glove a distance of 2.0 cm, what is the average force acting on his hand? (b) Repeat for the case in which his glove and hand more 10 cm.
asked by Anonymous 
Science
QUESTION: "Make a hypothesis about how space craft that travel through the solar system obtain the energy they need to operate." We are studying energy forms in class (Kenetic, Potential, Nuclear, etc.)... i need help NOW!
asked by Diamond 
Physics
A 1500 kg car moving east at 15 m/s collides with a 1730 kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision? How much kinetic energy was converted to another form during the collision?
asked by Dante 
Chemistry
what volume of water must be added to 10ml og 6.0M NaOH to make a solution that is .30 M in NaOH How do I solve for this
asked by Lauren 
Algebra word problem
please help me with the following: The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential
asked by Soph. 
Teen Suicide
I have to do a term paper on Teen Suicide. Here is our format: I. Title Page II. Table of Contents III. History of Problem IV. Who's affected V. Signs of Problem VI. Agency VII. Treatment VIII. Prevention
asked by Wenmar 
ap physics
can you please check my answers and help me with one question? During a lie dector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200, 000 ohms. What
asked by ash 
Chemistry
Why do ionic compounds conduct electricity when they are melted or dissolved in water?
asked by Jennifer 
Biology
What is the function of tRNA?
asked by Jen 
Cultural Diversity
Can you help with this question? Which of these scenarios best describes a nuclear family? A) Jeremiah is growing up within a cluster of adults and children who maintain their own living quarters but come together for work and meals. Childrearing is a
asked by Rose 
Psychology
Who is Phineas Gage and how did his behavior change after the accident? Could anyone help me with a report about behavioral repercussions od different brain injuries? I have to pretend someone I know has a brain injury and create 5 journal entries
asked by Christian 
Calculus Check
A survey of one thousand people found that 70% of the people have a CD player, 85% have a telephone, and 45.2% have a computer. At least how many people have all three objects? Is the answer 258, because that's what I keep getting?
asked by Matt 
Algebra1
How would i solve this problem?(It's on a MathCounts worksheet and i don't understand it) the ^ mean exponents (1^2008)+(1)^2007
asked by Lindsey 
maths
Keshawn and Samantha are in a science class with 18 other students. The teacher randomly divides the class into 10 pairs of laboratory partners. Whar is the probability that Keshawn and Samantha are lab partners?
asked by Audrey 
math
a bathtub can be filled by the hot and cold water pipes in four minutes and, when full, can be emptied by the waste pipe in five minutes. If it is half full and all three pipes are set running, when will the tub be filled?
asked by Charlie 
Algebra
The size of the beaver population at a national park increases at the rate of 5.1% per year. If the size of the current population is 151, find how many beavers there should be in 4 years. Use the function f(x)=151e^0.051t and round to the nearest whole
asked by Shay 
Chemistry
Write the binary formulas for the compounds formed from the following ions: Na+, Cl
asked by Danny M 
Ms. Sue,this is for youplease read
Would you please look on page 2,under Cultural Diversity and help me with the question I had asked earlier? Thanks!
asked by Rose 
physics
If the filliament resistance in an automobile headlamp is 3 ohms, how many amps does it draw when connected to a 12 volt battery? I got 36 watts? would I divide 12 volts/3 ohms= 4 amps
asked by erica 
civics
What is a plurality and majority of pressidential votes?
asked by Brooke 
MATH
An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two workers to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task. Estimate how
asked by ALGERBRA 
History
whats material were Portrait Masks made out of?
asked by Rachel 
chemistry
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the
asked by Rebekah 
chemistry
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the
asked by Rebekah 
english
Is the word ivented a linking verb ,Action or an auxilary verb?
asked by Brooke 
Math repost for Andy
math  Andy, Thursday, October 25, 2007 at 7:37pm can you please help me with this math problem? If you can here is the question: Seventyfive years ago, pharmacists weighed medicine on balances like the ones you have been using. The mass pieces were very
asked by Writeacher 
PreCalc (Sine)
I'm having trouble understanding a sine concept. For instance, I know that the sine of 15 is .25881. Likewise, the sine of 165 is also .25881. How can I find other values of sine that also equal .25881? Thank you very much.
asked by Jim 
Honors Science
heyyyy i have this scale,the points are 0,5,and 10. and between 05 also 510,there are only 2 more points that numberless. i am confused. what numbers could possibyl go there.
asked by Chris 
statistics
Compute the expected return if two mega lottery tickets are sold for $6, if the winning ticket is drawn from five (5) million tickets sold, and if the winner receives $10 million.
asked by sophia 
ap physics
can you please check my answers and help me with one question? During a lie dector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200, 000 ohms. What
asked by ash 
science
how would i draw the structure of a dipeptide which is made up of the following; Glycine and phenylalanine? please could somebody point me in the right direction?
asked by sam 
statistics
Given a distribution with mean X and standard deviation S, answer the following. 4.1 Determine the mean and standard deviation if constant K is added to each observation 4.2 Determine the mean and standard deviation if constant K is multiplied by each
asked by sophia 
maths
I have an illustration in my book of a quadrilateral inside a circle. The quadrilateral is ABCD; AB is a vertical line and then AC and BD are the same length, but AC slopesd downward and BD upwards. Finally, there's CD; it's not vertical, as it slopes
asked by Audrey 
english
My teacher told me that this sentence is ambigious. Can someone help me to fix this. "One of the main impacts is the transmission of many infectious diseases carried by insects, such as malaria and dengue which are sensitive to temperature, humidity, and
asked by jason 
math
A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m? I know that Velocity is y'=6x Somebody please help!
asked by david 
Economics
from a supply/demand side, I assume that the supply of savings would move inward if the gov lower taxes on profit resulting in an increase in the deficit. Am I correct in my thinking?
asked by Jay 
math
Can someone check and tell me if these are correct or not. subtract 8853= Subtract 7/9  (13/18)=11/18 multiply (3)(7)(9)=189 find the reciprocal of (1/7)(14/3)(9)
asked by nena 
Calculus Bonus
There is this bonus that I need so bad for my grade. I have tried several ways to answer this question and have tried several equations. Please Help Bouquets are priced on the basis of the numbers and types of flowers used. What is the price of the fourth
asked by Matt 
Stats
Where can I find fuel efficient car sales statistic for recent years?
asked by eason 
Math
I don't get either of these equations. Please help me out! 1. Music Mart sells an average of 150 cassette tapes daily at $10.00 a tape. If 15 sales are lost for each $0.50 increase in unit price, what price will maximize profits? What will be the resulting
asked by Samantha 
Algebra
If I have 12 / 2(x+3) that is the same as saying 12/2 * (x+3) or 6(x+3), right?
asked by Ben 
physics.
please check my answers. when a lamp is plugged into a 120 V socket, each coulomb of charge that flows in the circuit is raised to a potential engergy of 120 joules? which offers more resistance to water flow, a wide pipe or narrow pipe? I got wide as my
asked by erica 
Science
51.0, how many integers are there. I know that there are three in 0.004. I also know that there are five 10.004. But I don't remember if the 0 after the . counts or not.
asked by Shleee 
CALCULUS
how would you differentiate ln ln ln x, and what would be the domain??
asked by Kyle 
Biology  Diffusion
I know diffusion is movement of matter from high to low concentration. Does that mean that it will try to make the molarity of both sides equal?
asked by JJ 
scienceplz help!
why is it that when water is decomposed through a process call electrosys (when electricity is put through water)there is more volume of hydrogen than oxygen produced?
asked by haya 
Biology
What is the function of tRNA?
asked by Jen 
REPOST: Teen Suicide
Posted by Wenmar on Thursday, October 25, 2007 at 9:40pm. I have to do a term paper on Teen Suicide. Here is our format: I. Title Page II. Table of Contents III. History of Problem IV. Who's affected V. Signs of Problem VI. Agency VII. Treatment VIII.
asked by Wenmar 
Algebra
My homework is to solve by completing the square. But how can you complete the square on this problem? 3x^2 + 7x  8 The 3 doesn't factor out.
asked by kaylee 
history
How long were the Americans able to hold the Alamo?
asked by shelley 
government
What is the difference between a totalitarian and a communist government? Thank you!
asked by Abigail 
AP PHYSICS >>>please help
HOW WOULD YOU integrate this equation between zero and pi/2 1/(1+(tan^2008)xdx
asked by BOBBY 
Calculus Bonus
Form two fourdigit numbers from the digits 2, 3, 4, 5, 6, 7, 8, and 9, using each digit exactly once, so that the absolute value of the difference of the two numbers is as small as possible. Confused need to double check with you all.
asked by Matt 
statistics
3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i  ?) 2 / n, where i = 1, n ? (x i 2  (? x i) 2) / n, where i = 1, n
asked by sophia 
History repost for Julie
History  julie, Thursday, October 25, 2007 at 7:31pm umm i need help ahh how old was elvis presley when he became famouse
asked by Ms. Sue 
statistics
Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] • .30 (30%) probability of a productive well absent test information • Predrilling ballistics test ‘s affirmative result correctly predicts a productive well
asked by sophia 
Autonomous Language
Which example characterizes the use of autonomous language? I am thinking example A,but I'm not sure 1. Mary,age four,says to her mother, "I would like a banana,please," instead of pointing or using other sounds and gestures to get the banana. 2. When
asked by Anonymous 
science
What are the definitions for rock and mineral?
asked by matt 
engish
when you write a paper setting,plot,characters,climax,and what else..........??
asked by berenice 
social studies
I have an assignment to write 3 paragraghs on age of exploration and age of colonization. I cannot find any material on them ,what can i do because when i type in the name it comes up with shopping stuff?
asked by josh 
Soc. studies
what chemical was used to embalm the organs?
asked by Rachel 
Microeconomics
Could someone please show me how to solve for P and qs in the below problem. P= 50 + 6qs
asked by Binnie 
mathematics
What is something that is about or exactly a dekaliter?
asked by matt 
biology
how does cellulose adapt to its function!? i think it has something to do with there being a strong cell wall. however im am unsure. please could somebody help me thanks
asked by mark 
social studies
What is a dissenter?
asked by j 
social studies
Describe the Great Migration.
asked by martha 
physics
a telephone engineer feeds a sound signal into the mouthpiece of a telephone.As part of the tests he is making he incresesthe frequency of the sound.HOW WILL THIS EFFECT TYE ELECTICAL SIGNAL PASSING ALONG THE TELEPHONE WIRE?
asked by sana 
Math!!
for my project i have to make a slogan or a catchy phrase for the word circle please HELP!!!!!!!!!!!!!!!!!!!!!!! thank you!!1
asked by Anonymous 
statistics
Given the ensuing well drilling data, answer the following. • .30 (30%) probability of a productive well absent test information • Predrilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time •
asked by sophia 
Algebra II
Find g(f(x)) and f(2g(x)) where f(x)=2x^21 and g(x)= the absolute value of x1
asked by Sean 
organic chemistry
EAS reactivity. I am comparing two benzene rings. One has an NO2 group attached to it and the other has a C(=0)CH3 attached to it. I understand they are both deactivating groups so they are low in reactivity but how do I know which of the two is the least
asked by AMY 
physics
A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m?
asked by david 
algebra
wat is the value of f(3)..... (function value)
asked by Patty 
Language
What is a proper noun
asked by Joe 
SCIENCE!! PLEASE HURRY I HAVE TO DO IT NOW!
why are offhighway vehicles so damaging to desert soils?well i have to create a pamphlet on why they are so damaging to the desert soils...
asked by Faith 
mathematics
What is something that is about or exactly a centigram?
asked by matt 
Government/Social Studies
I have to locate information about racially motivated events and/or crimes that occurred between 1980  2000, that resulted in changes in the law or school policies. Where do I start? Please help!!
asked by Irene 
Scienc
World poplation grow each year,does this mean the mass off earth increases each year? Why?
asked by Nazharia Zehr 
Science
does the brain atoms that were once apart of albert einsteins?
asked by Nazharia Zehr 
mathematics
What is something that is about or exactly a kiloliter?
asked by matt 
eiglish lit
The hound of baskervill  What is the significance of the hound? How does it represent Darwin's theory phernologyis the hound natural or cultural why is the hound compared to both criminal and dictective
asked by john 
science
name some of the simple machines!!!
asked by Jessica 
math
it is greater than 43 and less than 52. if you add the digits the sum is 8 write the number word
asked by lily 
MAth B
How do you simplify this?   / 1 / 5/  * /18 / 3 / The hyphens and slashes are meant to be radical signs. Thank you!
asked by Jon 
Algebra II
Find g(f(x)) Where f(x)=2x^21
asked by Sean 
Algebra II
Solve the inequality: 3[m4]>6. []=the straight lines indicating inequality. Thanks for the assistance.
asked by Lucy 
Legal and Ethical
A con lobbyist argue that a higly regulated environment makes health care and human service delivery too complex and beaucratic, reducing the quality of care to clients. How can I write a 350 word response and what should I say agreeing with this. Could
asked by please help me, I am so confused 
English
Hai!!! I really need help with Page 3 of Curious George goes to a chocolate factory. When I searched in google books, it didn't tell me the page 3. Pls do help me... Thx for helping me.. ^^
asked by Jimmy 
mathematics
What is something that is about or exactly a centiliter?
asked by matt 
mathematics
What is something that is about or exactly a decigram?
asked by matt 
integers
26 + (13) rewrite each expression without double signs then simplify
asked by Barbara 
home economics
what are some career that help family during labor of patient
asked by erika 
math
Does anyone know what function value is and can someone show me an example? Thanks for helping
asked by Madison 
English
How is himself a relative pronoun?
asked by Brooke 
English Expressions
1. I have to study at Jonny's class. 2. I have to study in Jonny's class. Which preposition is right?
asked by John 
Financial Management
How would you compare "theoretical price or (Po) to Stock Quote or (P)? Any help would be appreciated
asked by Jo 
social studies
Describe England in the 1620s.
asked by missy 
PHYSICS
integrate(1/(1+(tan^2008)x)dx) between zero and pi
asked by *JASMINE* 
science
how to draw a sedimentary rock with at least 4 layers?
asked by chris 
algebra 1
ok it goes 15/m+3 = 5/m how do i do that
asked by cara 
mathematics
What is something that is exactly or about a miligram?
asked by matt 
mathematics
What is something that is about or exactly a mililiter?
asked by matt 
mathematics
What is something that is about or exactly deciliter?
asked by matt 
history
what are three reasons to how nationalism developed fifferently in eastern and western europe?
asked by kelly