Questions Asked on
September 18, 2009

physics
The question is a child slides down a slide with a 28 degree incline and at the bottom her speed is precisely half what it would have been if the slide had been frictionless. Calculate the coefficient of the kinetic friction between the slide and the
asked by perry 
chemistry
Potassium perchlorate has a lattice energy of 599 kj/mol and a heat of hydration of 548 kj/mol. Find the heat of solution for potassium perchlorate when 10.6 g of potassium perchlorate is dissolved with enough water to make 102.7 ml of solution.
asked by ella 
physics
A helicopter is flying in a straight line over a level field at a constant speed of 6.2 m/s and at a constant altitude of 11.4 m. A package is ejected horizontally from the helicopter with an initial velocity of 12.0 m/s relative to the helicopter, and in
asked by Anonymous 
math
a basketball player completed 42.3% of his field goals in the most recent season. He made 289 field goals. how many did he attempt?
asked by scooby9132002 
precalculus
An open box is made from a square piece of material 36 inches on a side by cutting equal squares from the corners and turning up the sides. Use your calculator to find the maximum volume this box can hold. I got the equation 4x^336x^2+1296x = V But when I
asked by perry 
microeconomics
Earth Movers and Shakers operates 3 iron ore mines. This table shows their daily production rates given the number of miners at each mine. All of the miners work for the same wage. minetons # of miners mother lode10025 scraping
asked by haley 
physics
How much work is done when 30.0kg crate is lifted 15.0m?
asked by Anonymous 
ap calculus
The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 6 feet is given as a function of time t (in seconds) by s(t)=16t^2+112t+20. 1. What is the maximum height of the ball? 2. At what time does
asked by muffy 
5th grade
Dreamy Icecream Company sells a singlescoop sundae for $1.25. Each additional scoop costs $1.25. There is a fixed price for 0.50cents for extra topping on all sundaes. I am supposed to make a table to show the prices of the first 4 sizes of sundaes with
asked by Brooke 
Physics
A square plate of copper with 50 cm sides has no net charge and is placed in a region of uniform electric field of 80.0 kN/C directed perpendicular to the plate. Find (a) thr charge density at each face of the plate and (b) the total charge on each face.
asked by sandhu 
biology
A viral DNA is analyzed and found to have the following base composition, in mole percent: A= 32, G = 16, T = 40, C = 12. What can you immediately conclude about this DNA?
asked by Jessie 
child day care manegment
i was wondering if you have the answers to Penn Foster's child day care management course? i need them to review my daughter's answers before submitting the tests.
asked by deanna 
Statistics
A tire manufacturer wishes to set a minimum mileage guarantee on a new set of tires. The mean is 67,900 with a standard deviation of 2,050. The manufacturer wants to set a minimum guaranteed mileage so that no more than 4% of the tires will have to be
asked by Pat 
physics
Motion in a Circle A particle P travels with constant speed in a circle of radius 5.6 m and completes one revolution in 36.0 s. The particle passes through O at t = 0 s. What is the magnitude of the average velocity during the interval from t = 3.6 s and t
asked by AK 
hum205
Islamic architecture is built around the life of? a.AlKhwaizmi, the greatest Muslim scholar. b.Muhammad, an Islamic prophet. c.Rabia AlAdawiyya, the most prominent shaykha. d.Avicenna, a revered doctor and philosopher.
asked by bella 
math
At the "Neverlate" railroad station there are two tracks, A and B, both going to the city. At 7 A.M. a train leaves on each track, at the same time for the city. After that, the trains on track A leave every 8 minutes abd those on track B leave every 9
asked by ladoo 
college physcial science
an 8 kg ball rolling at 2m/s bumps into a pillow and stops in 0.5s. Show that the force exerted by the pillow is 32N. How mych force does the ball exert on the pillow?
asked by Sandi 
math
an employee's new salary is $27,195 after getting a 5% raise. what was the salary before the increase pay? a basketball player completed 43.6% of his field goals in the most recent season. he made 285 field goal. how many did he attempt?
asked by scooby9132002 
English
Would you let me know good websites wher I can watch educational videos for free? Thank you.
asked by Tom 
Food and Nutrition
Six food groups in the caribbean please
asked by Lucy 
9th grade
What are the two main forms of Christianity?
asked by Anonymous 
Organic Chemistry
Draw the most important resonance contributor of the following structure? I'm confused on this one o / \ double bond > \\ /  CH+
asked by Kyle 
microeconomics
In general, it is true that a more specialization is always better. b less specialization is always better. c specialization imposes costs as well as benefits. d more specialization is always worse.
asked by haley 
English
How do the characters, plot, and theme of The Great Gatsby refute the statement that "the JazzAge society was a bankrupt world, devoid of morality, and plagued by a crisis of character"? Use specific details and lines from the novel to support your view.
asked by Stephanie 
11th grade Biology
I have three questions that I can't find anywhere. 19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the: A. Organisms at the top of the evolutionary tree B. Generalists C. Specialists D. Invertebrates E. All of the
asked by Alicia 
MATH
Determine the xintercepts for y = x^3 + 4x^2  4x  16 and for y = 2x^4  5x^2
asked by Frank 
biology
A viral DNA is analyzed and found to have the following base composition, in mole percent: A= 32, G = 16, T = 40, C = 12. What can you immediately conclude about this DNA?
asked by Jessie 
International Business
What is a tier2 company?
asked by Chris 
Business
You have just started work for a small company, FitCo, that develops private fitness clubs in small towns. FitCo buys or leases a local hotel or motel, then renovates to provide a gym, swimming pool, sauna, Jacuzzi, and a small café where patrons can buy
asked by Sharon 
physics
A car is driven east for a distance of 42 km, then north for 25 km, and then in a direction 31° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's
asked by blah 
gr.12 biology
compare and contrast the characteristics of soluble and insoluble molecules.
asked by henretta 
Math
Did I do this problem correctly? Solve the following system by first handling the equation of the two lines: x=(0, 2) y=(2, 1) x=(0, 1) y=(3, 2) Equation 1: y= x1 Equation 2: y=4x/3+2T Is this the correct answer?
asked by B.B. 
math
please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/104 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study
asked by p 
Physics
I gues I'm looking at this the wrong way i do not understand the work you do to get to the answer Question: Find the air velocity of a plane that must have a realtive ground velocity of 250.0 h^1 km norht if it encounters a wind pushing it toward the
asked by Physics 
MATHS
Could you please explain the question below? In the Logan family, each daughterhas the same number of sisters as she has brothers. The daughters, incidentally, are all older than the sons. How many sons and how many daughters in the Logan family? Thank
asked by MILDRED 
math
rewrite the division into a multiplication 9y+14/66
asked by Anonymous 
Biology
How do you measure starch on a food label?
asked by Kelly 
math
Barbara delivered newspapers to each house on her side of the street. The house numbers on her side of the street begin with the number 705 and each increase by 6. The last house number was the largest possible number not over 799. How many papers did
asked by ladoo 
chemistry
What is the molarity of a 250ml solution containing 16g of sulfur?
asked by troy 
science
A helicopter is ascending vertically with a speed of 4.00 m/s. At a height of 185 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground?
asked by john 
college physics
the question is that what happened when the ozone layer becomes destroyed?
asked by neha 
Home economics
What 2 units measure energy ?
asked by Leagh 
science
beavers built a dam in a river causing an area to flood. the trees rotted and died and fell into the water. the trees in the water created a bog mat, then someother type of grass things fell to the bottom of the river which caused moss and in the end the
asked by biggie 
math last and final one!
4x27= 28 1/3
asked by scooby9132002 
Cost accounting
Cost terminology and cost behaviors and exercises solution
asked by Danny 
FINANCE
Determine the revenue variance from Arcadia Hospital’s 2005 budget
asked by DENISE 
gr.12 biology
What characteristics are typical of molecules that are gases at room temperature?
asked by henretta 
chemistry
Stoichiometry 0.083grams of lead nitrate, Pb(NO3)2, in solutions mixed with 0.300g of sodium iodide in solution. This results in the formation of a yellow precipitate of lead iodide. Calculate the weight of the precipitate.
asked by Anonymous 
math
factor: 1)x^2+x6 2)x^2+5x+6 3)x^2+6x+8
asked by anonymous 
reading
what does head mean
asked by adam 
math
Is there an easy way to tell what graph I should use for questions like this? The following is a list of product manufacturing levels for the 50 states in 2004 ($ millions): 76, 5, 42, 55, 388, 34, 45, 17, 84, 131, 5, 17, 210, 184, 79, 56, 97, 124, 14, 36,
asked by Blake 
math
please check these 1.kristi jogged for 3/5 of an hour, swam 1/2 of an hour, rode her bike for 1/4 hr. how long did she exercise/=1 17/20 2.victor owned 5/6 of a family buisness, he sold 2/7 of the buisness,what portion doe she still own?=23/42 3.subtract
asked by p 
HUMAN RESOURCE MANAGEMENT
Describe in one or two sentences how you will access job analysis and job description information for your selected position. i am doing it on teachers, elementary school. would it be ok to write about the tasks, knowledge, skills, abilities, intrests, and
asked by scooby9132002 
precalculus
Determine the center and the radius of the following circle: x^2+y^2+8x2y=8 so I figured I'd use completing the square after putting it in standard form: (x^2+8x)+(y^22y)=8 I'm not sure where to go from here.
asked by muffy 
Physics
What does the area under a velocity vs. time graph represent??
asked by Layla 
social studies
my daghter is in 4th grade and has a test on universal address and she has to study words for it and i don't know how to help cause i don't unterstand how she is going to be tested
asked by kim 
HRM can u tell me if i am correct
Describe in one or two sentences how you will access job analysis and job description information for your selected position. mine is an elementary school teacher. Would it be ok to write about the tasks, knowledge, skills, abilities, interests, and work
asked by scooby9132002 
accounting
A stock is quoted at $1,180. The $1,000 par value bond pays 14% interest, and it has 25 years remaining until maturity. The current yield to maturity on similar bonds is 12%. Compute the new price of the bond and comment on whether you think it is
asked by Linda 
thank you
thanks for helping me Ms.Sue! lol!
asked by Danielle 
6th grade
What is 5 degree difference called? The latitude and long...
asked by Kaite 
ENGLISH
PLEASE ADVISE WHAT IS " THE CITY COUNCIL SPEAKER". THANKS.
asked by ohwoo 
organisation,environment,competitiveness
about organisation
asked by ankur 
Business
Is it okay to sell a product to a business at wholesale price and then also charge a Consignment fee after product is sold?
asked by Bryan 
home economics
What substances keep the body working ?
asked by Leagh 
Home economics
Why does our body need energy . 4 answers
asked by Leagh 
psychology
why is cognition and behavior important in the learning process?
asked by Debra 
math
what is 55% of 860?
asked by scooby9132002 
science
do lower motor neurons make synaptic connections with all fibers in a skeletal muscle?
asked by Dee 
Physics
An athlete wants to complete the 4000 m run in 12.0 minutes. After exactly 10.0 minutes of running at a constant speed, she still has 800 m to go. If she then accelerates to 4.0 m/s^2, how much longer will it take her to complete the race?
asked by Anonymous 
medical terminology
How can eliminating abbreviations reduce erros in medical field
asked by robin 
International Business
Hi, I need help researching on if, and why Canada is at a competitive disadvantage compared to other countries when exporting the plastics that we(Canada) produce to other countries. I can't seem to find any info on this, is it because Canada is not at all
asked by Chris 
history
I can not find anything on the repercussions of Western expansion after 1800. Can someone please help me.Thanks
asked by Sueann 
Math
I am confused with this problem could someone please explain? Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of "blocks" a taxicab would have
asked by B.B. 
English
1. Australia is much larger than England and Korea. 2. Australia is much larger than England or Korea. 3. Australia is much larger than both England and Korea. (What is the meaning of #1? Does #1 mean #2 or #3?)
asked by Tom 
social studies
can any one tell me about the miccosukee(?) tribe(?)
asked by help me! 
economics
What are the basic tools for economic analysis ?
asked by cycy 
social studies
can any one give me pictures about the miccosukee(?) tribe(?)
asked by dert6 
health
CheckPoint: Approaches to Valuation „h Resource: Appendix C „h Due Date: Day 5 [Individual forum] „h Review the valuation choices presented in Ch. 6. „h Complete Appendix C, parts I and II. „h Post as an attachment.
asked by Anonymous 
education
definition of stereotype
asked by stah 
Language Arts (2nd Grade)
Question: Name 10 Community Things You Can Do To Help The Earth. I Cant Think of Any!! Help
asked by Ella 
Quantitative Methods
I am trying to use the Goal Seek Method in Microsoft Excel but i keep getting a message that says "Cell must contain a value". Since the cell does contain a value what could be the error.
asked by Sandra 
Math
I am stumped on this problem can someone please explain? Find the distance between the given points (3, 7) and (4, 15). Thanks so much.
asked by B.B. 
history
please give me the american technologies and he pictures of old techologies
asked by brenda 
ethics
what changes has the US made for Muslims and Arabs?
asked by no one 
phsyics
What is the significance of the sign of the velocity (whether is + or )?
asked by Mya 
marketing
200300 word response to the Marketing Concepts: Discussing Choices and Ethical Issues, question #6 found on p 532 of the text.
asked by Destine 4 Success 
math
How do you find the percent of a discount! From the subject sales tax and discount.
asked by tinker 
geography
What landforms help the movement of information and people of the country in South America called Paraguay?
asked by Danielle 
hum205
how does the sacred cow influence the arts?
asked by iii 
Science
can someone explain how time zones are determined? please help and thank you
asked by Anomynous 
hum205
One of the great intellectual contributions that came from early Muslim scholars is,
asked by bella 
biology
what is genus taxa?
asked by kerrrri 
Science
i need help please can someone eplain to me why in any given time zone it gets dark a little earlier on the eastern side than on th ewestern side. please help and thank you
asked by Anonynouss 
math
what is the rule for use of letters in place of numbers
asked by vinay 
Math
I am stumped could someone please explain this problem? Give the solutions to the following quadratic equation by examining the graph of the related quadratic function: Graph: y=x^2+2x15 Equation: x^2+2x15=0 Thanks so much.
asked by B.B.