Questions Asked on
September 26, 2007

physics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 18m/s. The cliff is 50m above a flat horizontal beach, as shown in Figure 3.20. How long after being released does the stone strike the beach below the
asked by Anonymous 
science
in a baseballhitting contest at the office picnic, five men participated named: Biff, Carl, Fred, Marty, and Tom. Their last names in alphabetical order are Jenkins, Keech, McNabb, Miller, and Winslow. The distance that each man hit the ball in feet are:
asked by angie 
physics
How long does it take an automobile traveling in the left lane at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 40.0 km/h when the cars’ front bumpers are initially 100 m apart?
asked by Anonymous 
physics
Tom the cat is chasing Jerry the mouse across a table surface 1.5 m off the floor. Jerry steps out of the way at the last second, and Tom slides off the edge of the table at a speed of 5.0 m/s. Where will Tom strike the floor, and what velocity components
asked by Anonymous 
PHYSICS
you need to move a 500 kg crate of gazelle food from the garage along the 42 meter hall to the kitchen. If you apply a force of 1000 N at a 37 degree angle to the horizontal. How long will it take to move to the kitchen?(coefficient of static friction=.15,
asked by HELP!!! 
Chemistry
I'm trying to find the dry gas pressure of H2 in mmHg. The barometric pressure is 765.3 mmHg, the vp of H20 is 23.76 mmHg and the gas collected was 25.6 mL. this is what i did. 765.3 mmHg  23.76 mmHg  (25.6 Ml/13.6 mmHg) = 739.66 = 740 mmHg 93 sig figs).
asked by Clay 
Physics
A jumper in the longjump goes into the jump with a speed of 10m/s at an angle of 30 degrees above the horizontal. Use g=10m/s. a) how long in the air is the jumper before returning to the Earth? b) How far does the jumper jump? for a) I got .001s as the
asked by Tammy 
Trig
use a graphing utility to solve each equation, rounded to 2 decimal places 1. x^2  2sin2x = 3x 2. x^2 = x + 3cos2x
asked by KC 
Math
1. A rectangular field with an area of 5000m^2 is enclosed by 300m of fencing. Find the dimensions of the field: A. 100m x 50m B. 75m by 75m C. 150m x 150m D. no solution Please explain answer. Thanks!
asked by ND 
Business Studies
HI I'd like someone to check explain me the following questions related to the text and how to find them out The following text : The ARC company produces and sells cosmetics for women and girls. The company is owned by a brother and sitser who originally
asked by SA 
math
Yvonne drove 11/2 hours to get to the airport. She arrived at 12.10A.M What time did she leave for the airport? Should she have lunch at the airport? why?
asked by jack 
science
I can travel where there are no molecules, but never through a brick. I can travel through space, but never around a corner. What am I?
asked by brianna 
Physics
A long, straight wire carries a current of 48 A. The magnetic field produced by this current at a certain point is 6.5 105 T. How far is the point from the wire?
asked by Mary 
economics
Provide at least three realworld examples to illustrate the circular flow model of a market economy.
asked by anonymous 
mathAlgebra
A positive real number is 1 more than its reciprocal. Find the number: A. [1sqrt(5)]/2 B. 2 C. [1+sqrt(5)]/2 D. No solution
asked by Anonymous 
calculus
find the exact value of the expression 1.logbase8(2) 2.logbase10(1.25)+logbase10(80) how do you start out ? i forgot all about logarithym.s please help with step my steps
asked by thu 
Science
What would be some good pictures of qualitative observations? Quantitative? thanks in advance
asked by Mom 
language arts
directions: decide which form of the verb given in parenthases is needed write the correct form on the line identify the form you used by writing present,past,or past participle. sentance one: have you (speak)to anyone about your vacation plans? if you can
asked by stephanie please help me 
Biology
Has anyone done this experiment before? I need help with the final results. What would happen when I place 2 mL of hydrogen peroxide into 5 test tube, add manganese dioxide powder to the first one, then add sand to the second one, liver to the third one,
asked by Josh 
ap chem
Under constantvolume conditions the heat of combustion of glucose is 15.57 kJ/g. A 2.500g sample of glucose is burned in a bomb calorimeter. The temperature of the calorimeter increses from 20.55 C to 23.25 C. What is the total heat capacity of the
asked by lily 
Managerial Economics
(1) The National Debt consists of what factors? (2) How does the National Debt relate to federal budget deficits? (3) Relate the deficit to trade imbalances.
asked by Prashant 
Business Studies
HI I'd like someone to check explain me the following questions related to the text and how to find them out The following text : The ARC company produces and sells cosmetics for women and girls. The company is owned by a brother and sitser who originally
asked by Bromine 
ACCOUNTING
ANSWER THIS SURVEY ASAP: 1. A compound entry in the general journal is made to close expense accounts. True False 2. The entry to transfer net income to the owner's capital account would include a debit to the owner's capital account. True False 3.
asked by Accounting Buff 
College Summit
Where can I find examples of good personal statement letters. Which can help me write mines
asked by Bryan 
math
40 + 800 +9 =
asked by Lynn 
Math Circles
Suppose you have a perpendicular bisector of a chord passing through the center of a circle. The perpendicular from the center of the circle bisects the chord giving the chord two equal sides.Are the two sides guaranteed to be perpendicular?? Any help
asked by Robynn 
Algebra 1
Lopez spent 1/3 of his vacation money for travel and 2/5 for lodging. He spent $1100 for travel and lodging. What is the total amount of money spent? Directions: Write an equation to model the situation  >< I am so sad. Plz help.
asked by Lorexi 
math
how would you regroup 4 tens to find the difference between 341 and 228
asked by joe 
math
2x + 4(2x  9)
asked by grant 
math
Can someone please show us how to show 1500 x 2.1? I can not for the life of me show my daughter how to come up with the correct answer she is just not getting what I am showing her.
asked by Ree 
Social Studies
What does Independent Invention mean?
asked by Stephanie 
physics
a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s TO REACH A SPEED OF 12.0 M/S HOW LONG DOES IT TAKE FOR THIS ACCELERATION TO OCCUR?
asked by DAISY 
division
What is the quotient in division
asked by Westen 
economics...please help!
if a demand curve given is q=5/p.. and no variables for q or p are given, then the elasticity would just be q/p right? (because one would not be able to calculate it without knowing the values) or am i wrong? Thank you
asked by Anonymous 
MathAlg
2. Find the equation of the line which perpendicular to the line 2x + 3y = 32 and passes through the point (4,8).
asked by Anonymous 
MathAlg
Simplify [(13y)/y]/(9/y^2)1
asked by Anonymous 
math
Simplify sqrt(8)times sqrt(12)
asked by Anonymous 
Science repost (rocks) for Richard
science  richard, Wednesday, September 26, 2007 at 8:58pm how are organic and clastic rocks the same
asked by Ms. Sue 
math
Simplify sqrt(8)times sqrt(12)) A. 4 times sqrt(6) B. 4i times sqrt (6) C. 4i times sqrt(6) D. 4 times sqrt (6)
asked by Anonymous 
French for "Miche"
Salut! Voici le vocabulaire. If these work, I won't type them over! In the order you mentioned: 1. http://french.about.com/library/begin/bl_basic.htm (basic expressions) 2. http://french.about.com/library/begin/bl_numbers.htm (numbers) 3.
asked by SraJMcGin 
mathalgebra
Solve: log 5 (8r7) = log 5 (r^2 + 5):
asked by Anonymous 
mathAlg
5. Solve: log 5 (8r7) = log 5 (r^2 + 5): A. r = 2 or r = 6 B. r = 2 or r = 6 C. r = 2 or r = 6 D. r = 3 or r = 4
asked by Anonymous 
spanish
how do you write the times like how long a class is(the class starts at 1:30 the class ends at 2:14)
asked by LJ cutie 
math
Simplify: (86i)/ 3i: A. 6 B. (6 + 8i)/ 3 C. (6 + 8i)/ 3 D. 2 + 8i
asked by Anonymous 
mathalgebra
7. A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are chosen without replacement. What is the probability of choosing a red, a blue, and a red in that order?: A. 9/320 B. 5/152 C. 1/1280 D. 1/38
asked by Anonymous 
mathalgebra
7. A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are chosen without replacement. What is the probability of choosing a red, a blue, and a red in that order?: A. 9/320 B. 5/152 C. 1/1280 D. 1/38 Please explain answer.
asked by Anonymous 
mathalg
8. In how many ways can 12 books be displayed on a shelf if 15 books are available?: * A. 455 B. 479001600 C 2.17945728 x 1011 2730
asked by Anonymous 
mathalg
8. In how many ways can 12 books be displayed on a shelf if 15 books are available?: * A. 455 B. 479001600 C. 2.17945728 x 1011 D. 2730
asked by Anonymous 
mathalgebra
9. What is the vertex of the parabola y = x^2 + 4x + 1?: A. (2, 3) B. (2, 3) C. (2, 3) D. (2, 3)
asked by Anonymous 
mathalgebra
10. What are the equations of the asymptotes for the hyperbola?: A. y = ±5/3x B. y = ±3/5x C. y = ±9/25x D. y = ±5/4x
asked by Anonymous 
mathalgebra
10. What are the equations of the asymptotes for the hyperbola?: (x^2/9)(y^2/25)=1 A. y = ±5/3x B. y = ±3/5x C. y = ±9/25x D. y = ±5/4x
asked by Anonymous 
algeb collage
solve the inequality,express using interval notation x35x214x>0
asked by vince 
English
I need a peer reviewed journal source and a magazine article source on bureacracy model relating to Criminal Justice..thank you
asked by Amanda 
mathalg
11. What are the horizontal and vertical asymptotes for the rational function y = 4x /(x1)?: x = 0, y = 0 x = 1, y = 4 x = 4, y = 1 x = 1, y = 0
asked by Anonymous 
chemistry
the mass of an individual atom of fluorine is 19 amu. how many atoms would weigh a total of 1.7455x103g of this element if the mass of 1 amu is 1.6650x1024
asked by Anonymous 
Physics
In a lightning bolt, 16 C of charge flows in a time of 1.5 103 s. Assuming that the lightning bolt can be represented as a long, straight line of current, what is the magnitude of the magnetic field at a distance of 24 m from the bolt?
asked by Mary 
math
x^36x^2>0 anser in interval notation
asked by vince 
economics
Why is economic equity difficult to achieve in a free market economy?
asked by anonymous 
math
x^36x^2>0 anser in interval notation
asked by vince 
math
x^36x^2>0 answer in interval notation
asked by vince 
mathalgebra
Simplify: [(4x^3y)(4^2xy)^1]/(4xy^2) A. x /16y^2 B. 16x/y^2 C. x^2/16y D. y/16x^2
asked by Anonymous 
Reading
slipped is to fell as: dozed is to napped, read is to wrote, drank is to ate, or jumped is to rose?
asked by Chris 
Modern World Studies
1. What motivated Bismarck to enact reforms in Germany? 2. What kind of reforms were inacted in Germany and Britian? My answers: 1. Bismarck wanted Germany to be more united and when nationalism spread through Germany it helped Germany become a leading
asked by Chrissy 
mathalgebra
14. The last term of an arithmetic sequence is 207, the common difference is 3, and the number of terms is 14. What is the first term of the sequence?: A. 165 B. 171 C. 249 D. 168 Please explain. thanks
asked by Anonymous 
mathalgebra
15. Solve the following system of equations. x + y – z = 1 x + y + z = 3 3x – 2y – z = 4: A. (1, 3, 3) B. (0, 1, 2) C. (1, 0, 2) D. (3, 1, 2)
asked by Anonymous 
math
What is addition property using the equation? (3+1) + 6 = 3 + (1+6)
asked by dust 
Science
Can you help me explain the problem created by the over popolation of whitetailed deer? PLEASE HELP ME!!!!! Thank You!
asked by Happy face!! 
English
Could someone let me know if I am on the right track? I need to find the predicate nouns. If there is none I need to write none. 1.The ancestors of the lnuit people were Asians. PNAsians 2.They had probably crossed the Bering Sea in umiaks. PNBering Sea
asked by Samantha 
algebra 34
im in a cal class but were reviewing algebra stuff now. and i have 1 more questions. it says. express the given quantity as a single loragithms 2ln4ln2 so is it 2ln(2) please tell me if im getting the right answers and if im not then please show me how to
asked by thu 
math
a straight line passing through the origin with slope m cuts the circle x^2+y^24x2y4=0 at A(a,b) and B(b,c). A. Find a quadratic equation whose roots are a and c ans: (1+m^2)x^2(2m+4)x4=0 B. if P is the midpoint of AB, find the coordinates of P in
asked by wong 
Geography
What is urban exclusion? I think it is the spatial restrictions imposed on certain societal groups as a result of urban expansion/development by the better off people. Am I close?
asked by Vic 
arts
how to look for help in vb
asked by rai 
Distillation Lab Calculations
I had to do a fractional distillation while my lab partner did a simple distillation. I had 2 unknown compounds which could have been any of the following: heptane, cyclohexane, toulene, octane, Well I think I went and boiled the solution a little too
asked by ~christina~ 
com 215
Compare and contrast characteristics of nonverbal and verbal communication for audiences in relaxed situations (family members and friends) and audiences in tense situations (supervisors and instructors). List at least three items for each category.
asked by calico 
Maths  Sets Notation
Hello I'm too confused in this A proper set is said to be the elements that are not all included in a set A subset however is said to be the elements that are all included of set Am I right and if not Can someone make it clearer !!!!
asked by SA 
science
Doing review and can't find answer in notes: sun is approximately 4.5 billion years old what is it's classification?
asked by jessicaB 
science
what is the formula for calculating density?
asked by jessicaB 
math
I am a prime number between 40 and 50. If you add one to me, the sum of the prime factors of that composite number is 11. What number am I?
asked by veronique 
HHSPublic Policy Development
Can you provide a site with information on how human services agencies create their goals and objectives?
asked by Anonymous 
Math
What is not a compatible number to 76 A: 80 B: 75 C: 70 D: 60
asked by Terrance 
French for "Miche"
Bonjour encore une fois! (Hello again.) You have mentioned nothing about vocabulary. Would you like some expressions, etc.? I can't wait until you learn the animals because I have some terrific sites for that. You used to be able to "hear" the sounds for
asked by SraJMcGin 
chem
what mass of hematite (fe^2O^3)is required to react with excess carbon and produce 2.845g of iron, if the % yield is 75.369 formula is 2fe^2O^3+3C=4Fe+3CO2
asked by Anonymous 
spanish HELP HELP
Indirect verbs me te le nos os los Hi I am trying to see if I did these right? We are asked to fill in the blank with the indirect object pronoun. It seems like each of these is le ( in the blank ) help so confused!!!! 1. Hoy mi madre ____ va a pedir al
asked by liz 
criminal justice
list the actors in the court house of your local comunity. houston,tx
asked by john 
math
The number feared by Pythagoreans, since it lies halfway between the only two integers that can be both the perimeter and the area of the same rectangle?
asked by Matt 
math
The different wallpaper groups?
asked by Matt 
athletic
The number of stages, including the prologue, in the 2005 Tour de France?
asked by Matt 
math
The largest integer that is not a sum of distinct powers?
asked by Matt 
mathematics
The number of frieze patterns?
asked by Matt 
mathematics
The base for the hexadecimal system?
asked by Matt 
mathematics
The value of a score (as in "four score and seven years ago").
asked by Matt 
mathematics
One of two numbers that can be both the area and perimeter of a triangle whose side lengths are a Pythagorean triple?
asked by Matt 
calenders
The number of months in the Julian calender?
asked by Matt 
chem
Hi the following comes from my first homework assignment in AP Chemistry. I am totally lost on this question and don't know where to start. Thanks a lot in advance!!!!! A 0.1247 g sample of ascorbic acid, Vitamin C, was burned in a carbonhydrogen
asked by manny 
math
Mrs. Luna weighs 125 pounds. Mrs. Ropa weighs 150 pounds. How much to they eavh weigh on the moon?
asked by Danielle 
Chain Rule
Any help would be much appreciated with the steps involved in each problem given. Thank you. 1) Find derivative if y =cot x + sin x 2) Find derivative if y = (3x+5)^8 3) Find derivative if y = x csc x 4) Find derivative if y = x ã3x + 1 (3x + 1 is under
asked by Matt 
biology
What are the four macromolecules?
asked by jordan 
biology
what are the monomers of lipids?
asked by payton 
biology
how are amino acids put together and what does this make?
asked by payton 
social studies
what are some historical key leaders of the philippines?
asked by none 
english
what is cultural blindness
asked by andrea 
Algebra 1
The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. ( Man those are some cheap tickets.) Total ticket sales were $1050. How many tickets of each type were sold? DIRECTIONS Write an equation to model this
asked by Lorexi 
social studies
How do you learn about people who lived long ago?
asked by andrew 
Math
I was given the following magic square and was to fill in the blanks. I know that all the rows and center diagonals are to add up to 111 and no number is used more than once (136). I just can't figure it out. I can get all but 2 columns and one diagonal.
asked by Logan 
Physics
A projectile is shot horizontally at 30m/s from the roof of a building 100m tall. Use g=10m/s^2. Choose + vertical direction to be pwards. a) determine the time necessary fot the projectile to reach the ground below b) determine the horizontal distance
asked by Tammy 
Wife of Bath's
1. Characterize the Wife of Bath's " philosophy" of marriage. Is this philosophy logical from her point of view? How? 2. What elements of the Wife of Bath's tale characterize it as a romance? I don't understand what #1. is asking me so I have no idea how
asked by Audrey 
Physics
a ball thrown horizontally from a point 40m above the ground,strikes the ground after traveling a distance of 9m. with what speed was it thrown? use g=10m/s^2 first i need to find the time so I used y=y_0 +v_0t +1/2at^2 40=1/2(10)t^2 t=8s then x=x_o+vt
asked by Tammy 
Physics
When a football in a field goal attemp reaches its max height how does its speed compare to its inital speed? a)it's zero b) it is less than its inital speed c)it is equal to its inital speed d)it is greater than its inital speed since at the max height
asked by Tammy 
Physics
A projectile is launched from ground level with an inital velocity of 50 m/s at an angel of 60 degreess aove the horizontal. Use g=10m/s. What is the max height reached by the projectile? I used change in y=voyt +1/2at^2 =50(2.4) + 1/2(=10) (2.5)^2
asked by Tammy 
MathStatistics
The population of six inhabited continents in 2000 was 6,279,000,000 and in 1950 it was 2,556,000,000. What is the % increase excluding Asia which pop. in 2000 was 4,028,000,000 and in 1950 pop. in Asia was 4,028,000,000?
asked by Mel 
MathStatistics
Compare population per square mile in Asia to population per square mile in North America. Asia is 17,400 square miles with a population of 4,028,000,000 and North America is 9,400 square miles with a population of 305,000,000?
asked by Mel 
Repost for Ramiro Moreno
math 103  ramiro Moreno , Wednesday, September 26, 2007 at 7:16am hey man I don't know how to do this problem please I need help 1 pt) Given the function , what is its vertex? (____,________) List its intercept(s) as a comma separated list. If there are
asked by Writeacher 
ENGLISH
I need to find a magazine article on bureaucracy models (relating to criminal justice) thank you
asked by Amanda 
Science
What is El Nino?
asked by Autumn 
molecular biology
How did O'Donnell show that the sliding clamp complex actually slides along dsDNA providing processivity to DNA Pol III? I think he took dna, a primer, and one radioactive dNTPs, added Pol III that was isolated, ran a gel, and the conclusion was that it
asked by mae 
Psychology
Why is it that children of older parents( over 40) are better adjusted, have closer ties with their parents, and are more social when they enter school than children of young parents( under 40)? Using theis question perform the scientific method and write
asked by Christian 
Card Trick
I know this isnt a school question but I want to know. My friend did this card trick. She shuffled the cards, showed me the bottom one and told me that was my card. Then she showed me a card from the bottom and said is this your card it wasn't then she did
asked by Jessie 
Human Resources
What experience do you have (or have heard about) where poor job analysis impacted employees?
asked by Lisa 
History
Explain the Mandate of Heaven. thank you! :)
asked by Maggie 
algebra
There is a slow leak in your bike tire. The average rate of change of air in your tire is 2 pounds per square inch per day. The amount of air in your tire is now 70 pounds per sqsquare inch. Find the amount of air that will be in your tire in 5 days
asked by John 
History
How did the feudal system help Zhou leaders control their empires? thank you :)
asked by Maggie 
Biology
Are lysosome the digestive center of a animal or plant
asked by Anthony 
Andrew
What is a plastid
asked by Anthony 
Math
her's my word problem: george is twelve years older than Jeannie. The sum of their ages in 5 years is 50. How odl is jeannie now?
asked by Julia 
Biology
Are viruses made of cells? Do they do homeostasis?
asked by erbie 
History/Health/Language
What was used to help diagnose people before the XRay was invented/discovered?
asked by WhyDoYouCare 
English
How can you use mutual in a good sentence?
asked by Michelle 
Physics
what is the use of knowing the center mass of an object when making a calculation?
asked by Soly 
Algebra
I need help with this problem: Use the five properties of exponents to simplify each of the expressions. (y^5)^3(y^3)^2/(y^4)^4
asked by jennifer 
science (biology)
Suppose that you are starting a longterm study of a population of annual, flowering plants isolated on a small island. Reading some recent papers has convinced you that global warming will probably cause longterm changes in the amount of rain the island
asked by moo 
chemistry
i nned to know the reason for crystal formation in magnesium sulphate salt.
asked by mejo 
science
What is the difference between height and elevation?
asked by Matt 
Reading
paw is to cat as trombone is to instrument, hoof is to gallop, clock is to time, or stem is to daisy?
asked by Chris 
physics
Find the the force the person must exert on the 14.5 kg lawn mower to accelerate it from rest to 1.5m/s in 2.5 seconds?
asked by eddie 
PHYSICS
HEATHER AND MAT WALK WITH AN AVERAGE VELOCITY OF 0.98 M/S EASTWARD. IF IT TAKES THEM 34 MIN TO WALK TO THE STORE, WHAT IS THEIR DISPLACEMENT?
asked by DAISY 
English
Can you check if these are metaphorical definitions. 1. Friendship is a electric magnet. 2. Cooperation is a huge smile. 3. Determination is proudly hitting a home run. 4. Happiness is going sailing in a new boat.
asked by Sonic 
ALGEBRA
HAVING SOME PROBLEM WITH THIS . 2(X+7) IS THE ANSWER 14X? ALSO CAN YOU ADVISE ME THE RULES OF NEG AND POSITIVES ..IS 2 POSTIVES A NEG OR TO NEG A POS, I AM VERY CONFUSED ,,PLEASE HELP ME
asked by DAWN 
French for "Miche"
Clothing = les vêtements If it doesn't post, don't worry! I'll just type it over. LES VETEMENTS à carreaux, carré  checkered à col roulé  turtleneck à pinces  creased, pleated (pants) à plis, plissée  pleated (skirt), creased à rayures, rayé
asked by SraJMcGin 
science
what is the formula and answer for the following question... The density of Sprite is o.45g and the density of Pepsi is 2.4g. Both have a volume of 4 cm(cubed) What is the mass of both sodas?
asked by help me!