Questions Asked on
November 8, 2010

Chemistry 151
Of the following transitions in the Bohr hydrogen atom, the ____ transition results in the emission of the highestenergy photon. a.n=1, n=6 b.n=6, n=1 c.n=6,n=3 d.n=3,n=6 e.n=1,n=4
asked by Jessica 
pscyhology
It is my final test and I want to do a good job! Below I will show you the questions and what I think the answer is, if any are wrong can you please tell me which and EXPLAIN why they are so I can actually learn!? Here we go: 1. Which one of the following
asked by Jessyca 
11th grade physics
the horizontal range of a projectile is 4 root 3 times of its maximum height. calculate the angle of projection.
asked by help 
12th grade
on the "aster flower." What time of year might be symbolized by the aster flower and the other images of plant life found in the poem? How do these images contribute to the overall mood of the poem?
asked by LoLo 
Statistics
a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in each suit. What is the probability of getting all four picks correct and winning $5000 b)If three of the four selections in part
asked by Matthew 
Chemistry
If 1.10 g of steam at 100.0 degrees celsius condenses into 38.5 g of water, initially at 27.0 degrees celsius, in an insulated container, what is the final temperature of the entire water sample? Assume no loss of heat into the surroundings
asked by Please Help! 
science
If a 60.0 kg person will need to climb a 10.0 m stairway how may times to work off each excess Cal (kcal) consumed?
asked by Johnnie 
physics
A rectangular block of ice 10 m on each side and 1.1 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level? m * .116 OK HELP: Use
asked by Sarah 
Chemistry
a 25.0mL sample of a 0.100M solution of aqueous trimethylamine is titrated with a 0.125M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (ch3)3N=4.19
asked by Amanda 
Economics
Ashley is currently consuming 10 hot dogs and 8 hamburgers a week. The last hot dog she consumed yielded 20utils while the last hamburger she ate gave her 25utils. If hot dogs cost $2 and hamburgers cost $2.50, is Ashley consuming the correct quantities of
asked by Leon 
adult education
Briefly describe the cookie production process. 2. What are two ways that the company has increased productivity? Why did increasing the length of the ovens result in a faster output? 3. Do you think that the company is making the right decision by not
asked by george 
statistics
Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn independently from each container: Find the probability distribution for X defined as the number of defective items drawn(Hint: You
asked by Marla 
math
3.5% of d is 0.105
asked by lilly 
3rd grade
when you put together unequal groups can you add
asked by cheyenne 
Trigonometry
Find the exact value of tan(ab) sin a = 4/5, 3pi/2
asked by Dee 
CHEMISTRY
I put down all the info that I found but I cant figure out the questions 1 & 2 at the bottom!! Empty Calorimeter 11.6 g Room temp  21 degrees celcius Three different experiments of 50mL 1(M) HCl reacts with 0.15 g Mg, 0.25g Mg, and 0.35g Mg respectively.
asked by Anonymous 
physics
A constant 6.0N net force acts for 4.0 s on a 12 kg object. what is the objects change of velocity
asked by Anonymous 
chemistry
Salicyclic acid reacts with methanol to produce methylsalicyclate or winter green and water according to the following reaction: C7H6O3 (s) + CH3OH (l) > C8H8O3 (s) + H2O (l) What mass methylsalicyclate can be produced from 15.00 grams of salcyclic acid?
asked by Christina 
Spanish 1
12. María Elena es_____. a. gracioso b. atrevido c. tampoco d. seria D? 14. Me gusta ir____. a. en casa b. a mí c. a la escuela d. en el cine Can't decide between C and D... Thanks MC
asked by mysterychicken 
physics
A sealed glass bottle containing air at atmospheric pressure (101kPa) and having a volume of 22 cm^3 is at 23 degrees Celsius. It is then tossed into an open fire. When the temperature of the air in the bottle reaches 391 degrees celsius, what is the
asked by Norah 
physics
an astronaut rotates at the end of a test machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
asked by katy 
math
A salesperson receives 5.4% commission. On one sale, she received $6.48. What was the amount of the sale?
asked by lilly 
Physics HELP HELP
A cue ball traveling at 4.0 m/s makes a glancing, elastic collision with a target ball of equal mass that is initially at rest. The cue ball is deflected so that it makes an angle of 30° with its original direction of travel. (a) Find the angle between
asked by matt 
chemistry
How many H2O molecules are formed when 14 methanol molecules react?
asked by Kaley 
Chemistry
How many moles of Mg2+ and NO3 form for each mole of Mg(NO3)2 that dissolves?
asked by Kaley 
science
If it happens that a neurotransmitter binds to a receptor site and produces a negative voltage shift, the probability: that the neurons are densely connected decreases. of an excitatory response increases. that the receiving neuron will fire decreases.
asked by phil 
Pys. Science

Music
European countries used different styles of colonial rule in the Caribbean. How did differences in colonial rule affect musical development in the Caribbean? Please help me with this question, I am getting really frustrated and don't know how to answer it.
asked by Jon 
physics
A man pushes on a piano of mass 180 so that it slides at a constant velocity of 12.0 down a ramp that is inclined at 11.0 above the horizontal. No appreciable friction is acting on the piano. Calculate the magnitude and direction of this push A. if the man
asked by bob 
chemistry
Suppose that 50.0 cm3 of 2.00 M hydrochloric acid are added to 4.00 grams of zinc metal. What it the limiting reagent? How many grams of zinc are actually consumed? What is the concentration of the hydrochloric acid solution after the reaction has
asked by Fania 
physics
A 25 kg chair initially at rest on a horizontal floor requires 360 N horizontal force to set it in motion. Once the chair is in motion, a 316 N horizontal force keeps it moving at a constant velocity. a) Find the coefficient of static friction between the
asked by Devon 
Physics
If you have a toy car how would you calculate the angle and length of a ramp to propel the toy car 8 ft. I would also the formula for gow much enurtia does it take to overcome friction relative to pull of gravity and outside forces
asked by Trent 
Writeacher
To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it
asked by Angelina 
Chemistry
The boiling point elevationof an aqueous sucrose solution is found to be 0.39 degrees Celsius. What mass of sucrose (molar mass=342.30g/mol) is contained in 500g of the solution? Kb (water)=0.512degrees C/m
asked by Sharon 
Chemistry
Hydrogen peroxide decomposes into water and oxygen. What amount of hydrogen peroxide is necessary to produce 1 kg of oxygen
asked by Tarkan 
PSYCHOLOGY
Summarize the multifactorial model and how it relates to the diagnosis of illnesses
asked by EVE 
Statistics
With a known population mean of 100, and a known standard error of the mean of 7.5, what is the probability of selecting at random a sample whose mean is 110 or greater? I need help getting this started, thanks
asked by Bee 
algebra
utah license plates have 3 numbers followed by 3 letters. how many different license plates of this kind can be made
asked by Koray 
11th grade chemistry
a vessel contains 12 gm of methane gas at t degree celcius temp. and 1 atm. pressure. when the temp. is increased by 10 degree celcius at the same volume, the pressure increases by 10%. calculate the volume and initial temp.
asked by help 
English
Is "sympatheticy" a word. I want to use a word like this. My sentence is... Blah Blah's character is determined by his willingness to work, his "sympatheticy" towards his son. Sounds like a word, but I don't know if it is. Thanks :)
asked by CoolioMan 
Math
James has an assigned seat for his flight to Denver.The seats on the plane are numbered 149.James's seat number is an odd number greater than 10 that is a factor of 100.What is his seat number for the flight?
asked by Maria 
Chemistry
Calculate the pH of 1.00L of a buffer that is 0.120M HNO2 and 0.150M NaNO2 before and after the addition of 1.00mL of 12.0M HCl
asked by Amanda 
Chemistry
What is the concentration of ammonia in a solution if 22.35mL of a 0.1145M solution of HCl are needed to titrate a 100.0mL sample of the solution?
asked by Amanda 
Physics
a pieces of metal of mass 3.6kg is suspended from a spring balance, what is the reading of spring balance in newton, with a metal in air, with the metal of 33newton
asked by fola 
math
Write the negation of the following: Every rectangle with 4 equal sides is a square. A) No rectangle with 4 equal sides is not a square. B) Every square with 4 equal sides is not a square. C)Every rectangle with 4 equal sides is not a square D) No square
asked by m 
6th grade math
use compatible numbers to estimate the quotient: 7.35/6 answer: 1.20 is this wrong if so what did i do wrong? Thanks
asked by Meg 
physics
What is the minimum work needed to push a 900 kg car 890 m up along a 7.5 degree incline? (a) ignore friction (b) Assume the effective coefficient of friction retarding the car is 0.20.
asked by amy 
math
What is the answer to Algebra With Pizzazz 190?
asked by zackT 
calculus
Find the differential dy of the given function: y=xcosx would this just be dy=(cosxxsinx)dx
asked by jess 
math
A square shaped park measures 3/5 mile long on each side. What is the area of the park?
asked by marty Martinez 
math
a circular dartboard of radius 1 foot is at a distance of 20 feet from you. you throw a dart at it and it hits the dartboard at some point Q in the circle what is the probability that Q closer to the centre of the circle than the periphery a. 0.5 b. 1 c.
asked by reenu 
chimestry
more volume of NaOH means more moles of NaOH (volume * molarity = mole ; molarity=constant) , more moles of NaOH means more grams and mole of HCl and more grams and/or mole and/mass of M2CO3 (note that they are both on the same side of the reaction) now
asked by fred 
Englsih
1. She didn't go to a dentist. 2. She didn't go to see a dentist. 3. She didn't go to the dentist. 4. She didn't go to the dentist's. 5. She didn't go to the dentist's office. (#4 is from #5, right? Does #3 mean "she went to the specific dentist whom she
asked by rfvv 
Physics No one has responded could someone help
A 61 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 29 m/s. If the player was moving upward with a speed of 4.0 m/s just before impact, what will be the speed of the ball immediately
asked by Anonymous 
chem
the following procedure may be used to determine the density of a granular material. A sample of a granular material weighing 4.35 grams is placed in a 15 mL flask and then completely filled with benzene (liquid) the density of which is .879g/cc. The
asked by B.o.B 
spanish
THE ANSWER IS BEFORE THE NUMBER! f1. A boot verb is irregular A in four subjects B in two subjects C in three subjects D in one subject E in five subjects F in all subjects b2. Jugar is usually followed by which preposition before a sport or game? A de B a
asked by whitney 
physics
An aluminum rod is 21.5 cm long at 20°C and has a mass of 350 g. If 12500 J of energy is added to the rod by heat, what is the change in length of the rod?
asked by Ericahelp! 
Physics Grade 11
I need Help answering this question what equations do i use from Newton's Law and how to solve it. I Have a test on Wednesday and im lost please help.!!! A piano is to be slid across the floor.IT had a mass of 450 kg. A) Calculate the normal force
asked by Hena 
biology
wherever in the universe life exists, some of those life forms must be colored. why would a scientist make this statement.
asked by john 
biology
The plasma membrane: Tick the box next to the ONE answer you believe is TRUE. A. can generate action potentials in excitable cells B. may burst in hypertonic extracellular solution C. can contain carbohydrates which confer ion permeability. D. is made up
asked by Lancer 
phy
why archimedes principle lab has more percentage errors or discrepancy than expected?
asked by mas 
physics
How much energy is required to change a 40 g ice cube from ice at 40°C to steam at 100°C?
asked by Ericahelp! 
Geometry
Which of the following equals (4) A(4) . (14)
asked by Mara 
Math
if four friends share equally a 48 ounch bag of popcorn what fraction would each one get?
asked by Dylan 
math
which number is least, which number is greatest 30%, 3/4, .34
asked by christian 
chemistry
A 2.85 g sample of an unknown chlorofluorocarbon is decomposed and produces 558 mL of chlorine gas at a pressure of 756 mmHg and a temperature of 298 K.What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
asked by cj 
physics
A 56.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.00 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically makes up about
asked by steph 
physics
You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically,
asked by steph 
English
Can you tell me if the following sentences are possible? Thank you very much. 1) I get a lift with my dad on his motorbike. My dad gives me a lift on his motorbike. 2) I ride my motorbike to school. It takes me ten minutes to ride my motorbike to school.
asked by Franco 
physics..HELP??? please
in physics terms what does vacuum mean?? i thought they meant a vacuum sweeper?? huh? The question is " The same object is dropped in a vacuum and then in air. Whaich of the parameters( distance,velocity,acceleration) vary and which remain constant during
asked by bobbi 
physics
A daredevil is shot out of a cannon at 43.0° to the horizontal with an initial speed of 25.0 m/s. A net is positioned a horizontal distance of 50.0 m from the cannon. At what height above the cannon should the net be placed in order to catch the
asked by alecia 
Chemistry
What quantity of heat (in joules) is transferred when 25.0 g H2O(g) at 125C is converted to H2O at 35.0C
asked by Jill 
math
if i where to pay you a penny a day n the second day i would double it n in the third day u double it again an so on .... how much would you have in a month (30 days )
asked by KIIIMMMYYYYY 
World History
What factors contributed to Islam's spread to south and southeast Asia?
asked by Lala 
Physics
A model rocket builder has constructed a rocket of total mass of 1.0kg. The rocket must achieve a speed of 300m/s 5seconds after vertically leaving the launch pad. A) What acceleration and net force is required? B) What thrust must the motor have to
asked by Cole 
Introduction to ICD Classification and Reimburseme
The Internet has become a very popular research tool for patients to research different health care conditions and possible treatment options. Now, more than ever, patients are becoming more informed of their medical conditions from sources other than
asked by Tamara 
8th grade Math
Can you please check my answers? Wally ordered a pizza. He ordered 4/9 of the pizza with sausage, 1/5 of the pizza with extra cheese, and the rest of the pizza with bell peppers. How much of the pizza had bell peppers on it? My answer: 29/45 of a pizza
asked by Elizabeth 
Math(Please help)
Show that (f X g)(x) = (g X f)(x) = x for f(x)= 3x5 and g(x)= x+5 / 3 I have know idea how to do this.
asked by Hannah 
algebra expressions
sorry it was 51/3a a=1
asked by raul6th grader 
Introduction to ICD Classification and Reimburseme
Electronic medical records have been becoming increasingly common in the health care industry. As a result, the issues that surround the confidentiality of a patient’s medical record have come into question. Identify and discuss the major law that
asked by Tamara 
11th grade
What is the acceleration on planet X, if a 1.5 kg object weighs 3.45 N on plantet X?
asked by Anonymous 
French
Could you check these thanks. Part 1: Directions: Ask questions in 2 other ways by replacing the underlined words with où, d'où, comment, qui, avec qui, quand, à quelle heure, combien de, pourquoi, quoi/que/qu'estce que. (Note: UNDERLINED WORDS WILL BE
asked by Missy 
Physics
A 3200kg helicopter must accelerate up at 1.0m/s^2. What minimum lift do the rotors need to produce? Thanks for answering!
asked by Liam 
French
what does "on passe" mean in French?
asked by Pratigya 
calculus
x^43x^3+5x+6 Where does this function concave up and down? Thanks for your help!!!
asked by Denzel 
math
93r=14
asked by cccc 
11th grade
An 88g arrow shot with Force=110N. Distance traveled is 78cm. What is speed of arrow?
asked by Jalissa 
Physics
a book weighs 4 N. When held at rest in your hands, the net force on the book?
asked by meghan 
English/Literature
Death of a Salesman  Are there any sumbols that may have cultural, political or religious references in the play? Any direction you could provide would be greatly appreciated. thanks
asked by max 
geometry
draw a rectangle in the following grid that has a perimeter of 14 units and an area of 12 square units
asked by alla 
pre algebra
train A leaves a station at 1:15 PM,traveling 60 mph.Train B leaves the same station, in the same direction as train A,15 minutes later.If train B travels 90mphm when (clock time)will train B catch up to train A and how far down the track does this occur?
asked by mary 
orchestra
what are the bow sings
asked by Anonymous 
Pys. Science(check answer)
.263degrees C
asked by Staci 
calculus
Calculate the integral from 0 to 4 of x^2  1. Thanks!
asked by Jp 
physics
If a 0.1 kg mass is suspended at rest from a spring near the Earth's surface, the distance that the spring is stretched is measured to be 1.0 cm. What is the spring constant of the spring (remember the MKS units)? A mass of 2 kg is attached to a spring
asked by devin 
historycurrent events
what are some economic, social, political, and other problems in Cuba did historical events lead to these problems? and what was the influence of imperialism and globalization on Cuba? please help!!!!! thanks
asked by amy 
8th grade math
Can you please check my answer? Marcia wants to make muffins and needs 3/4 cup of a cup of sugar. She discovers, however,that she has only 2/3 of a cup of sugar. How much more sugar does she need? my answer: 1/12 of a cup
asked by Elizabeth 
3rd grade
how to classify sentence and finding the complete subject and complete predicate?
asked by Anonymous 
integrals!!
Compute the value of the integral using geometry. integral from 4 to 1 of (2x +8)dx
asked by Jason 
Math
How would you solve this equation for x? y= 4x^3+15x^21
asked by John 
English
1.The hikers are ready for a break. 2.Yesterday we rode our bikes through the park. 3.That store has something for everyone. 4.Students from both South America and North America attended the meeting. 5.According to the map, Tony's farm is just ahead.
asked by Chris 
physics
A pendulum has a length of 1m. What is the period of this pendulum? What is the frequency of this pendulum? You measure the period of a pendulum and get 25s. What is the length of the pendulum?
asked by devin 
algebra
solve by using multiplication principle 3/7x=6/35 x=______________
asked by thawk 
Physics Help!!!
With the energy needed to warm up some amount of water from 26°C to 44°C, how high could you lift it?
asked by Molly 
math
the curve y=x^2  3x  4 cross the xaxis at P and Q. the tangent to the curve at P and Q meet at R. the normals to the curve at P and Q meet at S Find the distance RS?? please help i have honestly tried and have had no luck :)
asked by Jack 
language arts
what are three major parts of a summary?
asked by ali 
Physics Help!!!
The water in your bathtub is getting cold. You currently have 36 liters at 31°C. What is the new temperature after you add 10 liters of 70°C hot water? Degrees Celsius are entered as degC.
asked by Ryan 
math
tree casts a shadow 32 feet on the ground. If the distance from the end of the shadow to the top of the tree is 40 feet, how tall is the tree?
asked by mitch 
French(easy question)
Translate all this french into english. I did all of it at the bottom. Please do it as well so I can check my answers. Check my answers as well. Thanks. On passe un bon film au Gaumont. On y va? Pas possible. J'etudie pour l'interro, demain. D'accord.
asked by Pratigya 
MATH/208 University of Phoenix
I need the answers for week three, can anyone help?
asked by Stacy 
Math
What is the function rule for input3, output3, input4, output5, input6, output9
asked by Mariah 
Physics
A car traveling initially at 7.49 m/s acceler ates at the rate of 0.743 m/s2 for 5.41 s. What is its velocity at the end of the accel eration?
asked by Kaitlyn 
college algebra
Use the theorem on bounds to establish the best integral bounds for the roots of the equation: w^(4)8w^(3)+2w^(2)+10w1=0
asked by samantha 
physics
an astronaut rotates at the end of a tesr machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
asked by katy 
physics!!!
A copper rod is given a sharp compressional blow at one end. The sound of the blow, traveling through air at 2.79 degrees Celsius, reaches the opposite end of the rod 9.39ms later than the sound transmitted through the rod. What is the length of the rod?
asked by Ashleigh 
business
How is NAFTA positive for US business and consumers? US workers? Foreign business and consumers? Foreign workers?
asked by Holly 
math
the curve y=x^2  3x  4 cross the xaxis at P and Q. the tangent to the curve at P and Q meet at R. the normals to the curve at P and Q meet at S Find the distance RS?? please help i have honestly tried and have had no luck :)
asked by Jack 
english
We gathered all the tools and equipment we would need to. A. Change gathered to gather B. Delete the word to C. Add have after would
asked by lilly 
physics
A Pyrex flask in a refrigerator at 8 degrees Celsius is filled to the top and holds exactly 1000cm^3 of ethyl alcohol. If the refrigerator fails, how much alcohol spills by the time the temperature reaches 22 degrees Celsius? The coefficient of volume
asked by Farah 
physics
Compressing gases requires work and the resulting energy is usually converted to heat; if this heat does not escape, the gas's temperature will rise. This effect is used in diesel engines: The compressed air gets so hot that when the fuel is injected, it
asked by Ashleigh 
math
1. express tan 11pi/6 in terms of a positive acute angle 2. solve for x : sin(4x7) = cos 17 thank you!
asked by kelsie 
math
how to devide 34/123.08
asked by matt 
Physics
A satellite has a mass of 5600 kg and is in a circular orbit 3.70*10^5 m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.20*10^6 m. What is the true weight of the satellite when it is at rest on the
asked by Ashley 
Graph help!
Sketch y= (1/4) (2)^(x4)+5 I know that the basic equation is y=2^x so is the graph translated 4 units right, vertically stretched by a factor of (1/4), reflected on the xaxis and translated up 5?
asked by Ali 
Chemistry
Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?
asked by Tarkan 
Math
f(x)= 4x^2 and g(x)= sqrt (x) find the implied domain of fg(x) fg(x)= f(sqrt(x)) fg(x)= 4(sqrt(x))^2 fg(x)=4(sqrt x)(sqrt x) fg(x)=4x domain= (x:x=all real numbers) Am I correct?
asked by Jamie 
Social studies
What were a collection of spells buried with a mummy
asked by Anonymous 
physics
how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?
asked by Archie 
math
136+215÷3=
asked by isis 
physics
how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?
asked by Archie 
math
136+215÷3=
asked by isis 
11th grade physics
how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?
asked by Archie 
physics BASIC PLEASE HELP
Calculations and Data: Angle: As measured by protractor:7.63 degrees As measured by using inverse sin:7.4 degrees Percent error: ((True valueexperimental value)/true value))*100= ((7.47.63)/7.4)*100=3.1081% Time: 1.53s 1.4s 1.53s 1.44s 1.47s Average
asked by chris 
ethics question
If I am in an accident and taken to a hospital by ambulance does HIPPA prevent the release of my medical and prescription history? What does HIPPA do there: protect me or possibly cause me harm?
asked by Anonymous 
Social Studies
Is MidAutumn Festival in China is similar to Thanksgiving Day in America? And when is MidAutumn Festival?
asked by rfvv 
literature
My professor asked us this questions. One has lifelike experiences in ones dreams, but is still aware that these experiences are mere appearances and that the reality lies beneath. Nietzsche makes the assumption here that, when dreaming, one is always
asked by john 
acids and bases
Give the formula of the conjugate base of each of the following acids: a.) citric acid b.)oxalic acid c.)dihydrogen phosphate ion d.)phenol
asked by jj reddick 
geography
do you think having colonies decreased or increased the amount of conflict between European countries?
asked by Anonymous 
Probability
I need help calculating a c value such that f(x,y) is a probability density function. What makes a function a probability density function?
asked by quentin 
drawing
a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in each suit. What is the probability of getting all four picks correct and winning $5000 b)If three of the four selections in part
asked by Matthew 
2nd grade
It is greater tha 7 tnes and less than 8 tens. The number has 4 ones. Write the number word.
asked by mary 
10th grade
why does Henry believe that compromise with the British is not a workable solution?
asked by natalie 
physics
an astronaut rotates at the end of a test machine whose arm has a length of 10.0m. if the acceleration she experiences must not exceed 5g (g=10m/s^2? what is the maximum number of revolutions per minute of the arm?
asked by katy 
7th grade math
HOW DO YOU TURN 5/8 INTO A PERCENT
asked by Daniel 
chemistry
Suppose that the microwave radiation has a wavelength of 10.8 cm. How many photons are required to heat 215 mL of coffee from 25.0 ^\circ \rm C to 62.0 ^\circ \rm C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184
asked by Dolapo 
math
If the ratio of onions to cilantro is 4:3 and I'm using 2/3 cup of onions, how much cilantro will I need?
asked by KC 
statistics
an insurance company estimates 40 percent of its claim have errors. The insurance company wants to estimate with 90 percent confidence the proportion of claims with errors
asked by Anonymous 
Calculus
a police helicopter is flying at 200 km/hr at a constant altitude of 1 km above a straight road. The pilot uses radar to determine that an oncoming car is at a distance of exactly 2 km from the helicopter, and that this distance is decreasing at 250 km/hr.
asked by Alex 
8th grade math
Can you please check my answer? Selena received $42 commission for selling a computer for $1400. What percent is her commission? my answer: 3%
asked by Elizabeth 
algebra
If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.
asked by franklin 
Math 8th grade
I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice
asked by Disha 
Calculus 1
Find the most general antiderivative of the function. Use C for any needed constant. f(u) = (u^4 + 7 sqrt(u)) / u^2 F(u) =
asked by Zack 
english
Write five grammatically correct sentences about the role of time management in an academic environment, in which you correctly use a different verb tense
asked by eboni 
Speech
hi. I need help writing a speech!! I need to write a speech about the Civil War. Please help!! At least get me started?!
asked by Erin 
English
is this a runon sentence? Niabi play both the oboe and the piano and plays them well.
asked by Alayasia 
chemistry
Give the formula of the conjugate base of each of the following acids: a.) citric acid b.)oxalic acid c.)dihydrogen phosphate ion d.)phenol
asked by jj reddick 
English, PLEASE HELP ASAP
BOOK "O PIONEERS!" On pages 6869, Alexandra and Carl Lindstrum have a conversation where they compare the different paths their lives have taken. At the bottom of page 68, the paragraph begins with Carl saying“Freedom so often means that one isn’t
asked by samantha 
Media
Hi, I am doing an paper on editors and their roles in broadcast. I wanted to get some ideas about how editors choose their lead story and why they are led to choose that story. Any ideas? thanks
asked by Serena 
grammar
Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence.
asked by Johanna 
algebra
Please help!!! Determine whether 10 is a solution of the equation 6(x2)= 70 Is 10 a solution? Thanks for your help
asked by thawk 
statistics
Suppose that a department contains 8 men and 20 women. How many ways are there to form a committee with 6 members if it must have strictly more women than men?
asked by scott 
english
Help Understanding A journey to the center of the earth by: Jules Verne. 1.)What problems do each of the 3 characters face within themselves, and how do they end up resolving each of there problems? 2.)What are 4 of the most important occurences in the
asked by Rob16 
Physics
Read the activity 21:Force and Pressure in the lab manual (pages 167168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc
asked by Anonymous 
chemistry
benzopinacol and benzopinacolone diferences Because benzopinacol and benzopinacolone have nearly identical melting points, describe (without using spectroscopic methods) how you might prove that samples of the two compounds are different.
asked by Tammy 
7th grade math
1/15 in percent
asked by Daniel 
HSM/220
detailing how a human service organization focused on providing job skills to high school dropouts would address the following: • Statement of opportunity • Impact of organizational structure • Community and environmental factors • Human resources
asked by Terrie 
Maths
dy/dx of tan x is sec^2 x is there another way of writing sec^2 x?
asked by Ronald 
English
I basically have to put this poem in my own words. Some sentences I don't really understand, so it would be a great help to me if you could tell me what they mean. I have to rephrase each sentence. After the semicolon, a new sentence begins. Here is the
asked by Angelina 
math
suppose a parallelogram has an area of 84 square units. Describe a triangle related to this parallelogram, and find the triangle's area, base, and height.
asked by jasmine 
chemistry
0.361g of an unknown liquid occupied a volume of 250.0 ml Hg pressure and 100 degrees celcius. what is the molar mass?
asked by khela 
8th grade math
A company's cost of doing business in a recent month was $18,000. Their revenue on sales for that month was $27,000. What percent profit as a percentage of sales did the company earn? my answer: 33 1/3%
asked by Elizabeth 
Math
Paul needs 2 1/4 yards of fabric to make a tablecloth. How many tablecloths can he make from 18 1/2 yards of fabric
asked by Aly 
World History
How did religion and trade connect Africa to a larger world; with what results?
asked by Lala 
8th grade math
A company reported that it made a profit of 8% as a percentage of sales and that its sales revenue was $25,000. How much profit did the company make? my answer: $2,000
asked by Elizabeth 
11th grade physics
find the value of 60 joule per minute on a system which has 10 cm,100gm, and 1 minute as fundamental units.
asked by help 
????
" Today I will be informing you abot the Civil War. The war the tore friends and families apart and slavery. " Erin Is that a good intro for a 4H project intro??
asked by Erin 
11th grade physics
if action and reaction are always equal and opposite, why don't they always cancel each other and leave no force for acceleration of the body?
asked by help 
Math
An initial deposit of $35,000 grows at an annual rate of 7% for 23 years. Compare the final balances resulting from continuous compounding and annual compounding. We're supposed to use the equation A=P(1+r/k)^kt but I don't know what I'm supposed to use
asked by anonymous 
geometry
What type(s) of quadrilateral has only rotational symmetry?
asked by John 
grammar
Could you give me some singular nouns please?
asked by Anonymous 
chemistry
How many grams of NaNO3 are required to saturate 54 grams of water at 20 C( show steps )
asked by Ryan 
Math
A computer company gives a discount of 10% off of the marked price on a new piece of software. If it makes a profit of 11% on this sale, what percent does the marked price exceed the cost price?
asked by von 
MATH
Divide. Round to the nearest hundredth if necessary. 0.00829/0.003 my answer: 2.76 Is this correct
asked by Meghan 
Spanish 1
16. Soy ordenado, pero ____ soy desordenado. a. tampoco b. jueves c. a veces d. de veras C? 17. a mí no me gusta _____. a. pero a ti b. tampoco c. a veces a mí d. tambíen Not sure... 18. ¿_____ impaciente? No, soy paciente. a. Eres b. Te llamas c.
asked by mysterychicken 
English
1. Chris can do the job, isn't he? 2. Chris can do the job, isn't she? (Which tag question is right? Are both OK? Is Chris used as a male name or female name?)
asked by rfvv 
chemistry
Can you tell if I'm correct. Which combination in titration has ph=pka and buffer region strong acidstrong base no to both strong acidweak base yes to both weak acidstrong base yes to both weak acidweak base I'm not sure about this one. Can anyone
asked by poet 
6th grade
What is the volume of a chest that is 20 inches by 10 inches by seven and one tenth inches?
asked by Molly 
STATISTICS HELP
The lifetime of a disk drive head is normally distributed with a population mean of 1000 hours and standard deviation of 120 hours. Determine the probability that the average lifetime for 9 disk drives will exceed 940 hours. Need to see work!
asked by Heather 
Psychology
Are there any book or websites that help me answer this question... Has Britains obsession with celebrity culture gone too far?
asked by Ronald 
8th Grade Math
*I NEED THESE IN ALGEBRAIC EXPRESSIONS! 1.) The larger of two numbers is 1 less than 3 times the smaller. Their sum is 63. Find the numbers. 2.) Find two numbers whose sum is 92, if the first is 4 more than 7 times the second. 3.) The sum of two numbers is
asked by Disha 
Math
Word Decimal fraction 50 .50 1/2 hundredths 20 .20 1/5 hundredths 25 .25 1/4 hundredths 75 .75 3/4 hundredths 60 .60 3/5 hundredths Am I right???
asked by Erin 
Chemistry
A 25.0mL sample of a 0.100M solution of acetic acid is titrated with a 0.125M solution of NaOH. Calculate the pH of the titration mixture after 10.0, 20.0, and 30.0 mL of base have been added.
asked by Amanda 
Geometry
The midpoint of line AB has coordinates of (5,1). If the coordinates of A are (2,3), what are the coordinates of B? Any help is appreciated!
asked by Gabs 
Finance
Sauerfood company has decided to buy a new computer system with an expected life of 3 yrs. the cost is 150,000.the comapny can borrow $150,000 for 3yrs at 10% annual interest or for one yr at 8% annual interest. How much wld sauer save in interest over the
asked by Nancy 
English  examples of sociocultural norms
Please give me loads of examples of sociocultural norms
asked by Farah 
mat 116
solve for x using the addition principle. x + 6 = 8 What is the solution for x? Thanks kindly
asked by cindy 
Chem
What volume do 3.8 x 10^22 molecules of NO2 gas occupy at STP?
asked by Dawn 
math
x + 4 2/3 = 6
asked by lilly 
English
1.The Reverend Jesse Jackson spoke at the convention. 2.I wear heavy wool socks under my hiking boots. 3.Joel and Tina are participating in the Special Olympics. Identify prepositional phrase, tell if adj or adverb phrase then word that phrase modifies
asked by Chris 
math
3/7  4/m
asked by lilly 
Physics  Hydrogen Emission spectrum
a) Describe the emission spectrum of a hydrogen discharge tube b) Explain why different color lines appeared in different position in the spectrum. Use a suitable atomic model to help construct your answer. c) Explain how do you decide if the lines
asked by Farah 
Physics  Double slit experiment
For a doubleslit interference, what would happen to the distance between the bright fringes if you: a) Decreased the distance between the slide and the screen b) Increased the separation between the slits c) Decreased the distance between the laser
asked by Farah 
English
1. What do your parents want you to become? 2. What do your parents want you to be? 3. What do your parents want you to do? 4. What do your parents want you to do in the future?  They want me to become a public prosecutor. (What is the suitable question
asked by rfvv 
ethics question
i don't work, how should answer this: What field are you in? Are there specific laws and standards associated with this industry? Why are they in place? Are these laws and standards consistently followed?
asked by Anonymous 
math
An angent makes 16% commission on an athletes signing bonus. If the bonus is $26,000, what is the agents commission?
asked by lilly 
math
Nineteen members or 38% of the ski club are going on ski trip. Find the total number of members in the club?
asked by lilly 
physics
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at
asked by katy 
Finance
Dave and Marlene live in the boston area. two choices 1) short term trading and bond swap what basic trading principles is involved?
asked by Terry 
English
1. I lied him that you were a fine gardener. 2. I lied that you were a fine gardener. (Are both grammatical?)
asked by rfvv 
Physics Help
A hot air balloon starts at its launching station and it goes at a horizontal speed of 2.7 m/s and a vertical wind of 1.1 m/s. Once it reaches an altitude of 202 m, it stays at that altitude for 10.3 s, which is when it drops a sandbag. How far will the
asked by Kourt 
English
1. A boy should be in school. 2. A boy should be at school. (Are both the same? Which preposition do we hae to use?) 3. Get in the truck! 4. Get on the truck! 5. Go in the truck! 6. Go on the tuck! (Can we use 'on' instead of 'in'? What about 'go' instead
asked by rfvv 
history
i need a thesis for a report about the problems in cuba, please help me!!! thanks sooo much!
asked by amy 
English
"I want you to weed the garden. I'll be back at three," the man said and drove away. It's gardening, Grandpa," Francisco said. (In this passage, what does 'it' refer to?)
asked by rfvv 
ENGLISH
I basically have to put this poem in my own words. Some sentences I don't really understand, so it would be a great help to me if you could tell me what they mean. I have to rephrase each sentence. After the semicolon, a new sentence begins. Here is the
asked by Angelina 
algebra
7/3x + 1/3x = 4x + 48/3 + 8/3x This one is way complicated. Please help me!!! Thank you so much
asked by thawk 
English
"But I'm not a gardener. I'm a carpenter," Grandpa said. "It's easy, Grandpa. These green things are weeds. Do not touch the white flowers, " Franscisco said. (What does 'it' refer to in the passage?)
asked by rfvv 
English
That's the price of life. (When do we use this expression? What does 'price' mean in this sentence?)
asked by rfvv 
PHYSICS
I don't know where to start solving this question. Please help! A 320 kg piano slides 3.7 m down a 32 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is
asked by MegP 
Physics
A 0.145 kg baseball pitched at 38.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 55.0 m/s. If the contact time between bat and ball is 3.40×10−3 s, calculate the average force between the ball and bat during contact.
asked by brian 
algebra II
find the area of a triangle fgh f(1,4) g(2,3) h(3,2) using matricies
asked by robert 
Math!!!
angle x is in the second quadrant and angel y is in the first quadrant and angle y is in the first quardrant such that sin x=5/13 and cos y = 3/5. Determine and exact value for cos x.
asked by Anonymous 
1st grade
What is a sentence a 1st grader can write using the word "past"?
asked by philesha 
Chem 110
Calculate amount of milliliters of 2.0 M HCl needed to neutralize 0.15 mol of NaOH
asked by Matilda 
math
According to the U.S. Census Bureau in 2009 there were 21,854,374 veterans in the United States. Veterans of the Korean War accounted for 12.4% of that total, while 10.7% were veterans of World War II. What is the positive difference between the numbers of
asked by help 
Physics  Double slit experiment
For a doubleslit interference, what would happen to the distance between the bright fringes if you: a) Decreased the distance between the slide and the screen b) Increased the separation between the slits c) Decreased the distance between the laser
asked by Farah 
History
I'm confused...how did the French financially profit from the Concordat of Bologna? I understand that they gained political power, but how did this increase their wealth?
asked by Shelby 
math
1.4/5+2+5= 2.7/83/8= 3.y/92y/9= 4.9x/65x/6= 5.x/6+2x/6= 6.3x/3x11/3x1= 7.7a/43a/4= 8.4/xy2/yx= 9.5/x2/x= 10.a/a2+1/2a
asked by reynalyn villanueva 
physics help!!
a wheel of radius R rotates making f revolutions per second. the quantity f is know as the frecuency of the motion. show tha 1/f is the time to complete one revolution, called the period T of the motion. show that the centripetal acceleration of a point at
asked by katy 
Physics  Hydrogen discharge tube
a) Describe the emission spectrum of a hydrogen discharge tube b) Explain why different color lines appeared in different position in the spectrum. Use a suitable atomic model to help construct your answer. c) Explain how do you decide if the lines
asked by Farah 
physics
Water is flowing at 6 m/s in a circular pipe. If the diameter of the pipe decreases to fiveseventh its former value, what is the velocity of the water downstream?
asked by David 
chemistry
What is the effect of the following on the separation of the mixture(hexane and toluene)? a. A soluble, nonvolatile impurity b. a decrease in barometric pressure c. an increase in barometric pressure d. rapid heating rate
asked by Anonymous 
algebra
solve using the addition principle x + 3/13 = 7/13 what is the solution for x
asked by thawk 
chemistry
A student prepares a 2M solution of copper sulphate. She adds 17 mL of the solution to a 100 mL volumetric flask and dilutes it up to a final volume of 100 mL with water. What is the final molar concentration of the copper sulphate? How many moles of
asked by flona 
algebra
x46 answer:x=10,2 i need help on this one please: 5x+34 is greater than or equal to 9
asked by check this please!!! only 1 question!!! 
chemistry
1. In standard column chromatography, it is better to change from a nonpolar solvent to more polar solvent. What are some disadvantages if the reverse is done? 2. what would happen if air bubbles were trapped in the adsorbent in column chromatography? is
asked by Anonymous 
english
Write the nouns and pronouns used as adjectives and the noun each one modifies. 1 the wings of a duck are small for its body weight.
asked by lily 
STATISTICS PLESE HELP!!
studies indicate that drinking water supplied by some old leadlined city piping systems may contain harmful levels of lead. an important study of the Boston water supply system showed that the distribution of lead content readings for individual water
asked by Courtney 
Jacques Cousteau
The Antartica is the vast source of cold on our planet,just as the sun is the source of our heat, and it exerts tremendous control on our climate. How would I paraphrase that
asked by Anonymous 
psychology
As an undergraduate Native American college student you have been selected from a national pool of applicants to interview President Obama. Your scheduled interview is to be no longer than 10 minutes. The interview is to be conducted on a Tuesday morning
asked by lynne 
history
create a collage that shows how greek culture is reflected in modernday society.
asked by ray 
MATHSTUCK :(
I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I had done wrong. This was
asked by Anonymous 
Chemistry
What is delta H for NaOH(s)+1/4O2(g) yielding 1/2Na2O2(s)+1/2H2O(l) ?
asked by Michelle 
College Algebra
USE MULTIPLICATION PRINCIPLE  X/2 = 8 X=_________ I APPRECIATE THE HELP!
asked by Tiffany 
Biology
The large intestine supports ___% of chemical digestion. A) 0 B) 75 C) 50
asked by Bee 
Organic Chemistry Lab
A sample of hexane and octane is injected into a gas chromatograph equipped with a nonpolar column. Predict which one will have the shorter retention time.
asked by Jeanne 
chemistry
a sample of hexane and octane is injected into a gas chromatograph equipped with a nonpolar column. predict which will have the shorter retention time
asked by Anonymous! 
English
1. He is an early bird. 2. He is a morning person. 3. He is a late bird. 4. He is an evening person. (Does #1 mean #2? The opposite of #2 is #4, right? What about #3? What is the opposite of #1?)
asked by rfvv 
10th grade
what is the area of 2 triangles whose legs are 2 feet each and touch side to side???
asked by Ally 
mat116
solve using addition principle 1.5 = m9.2
asked by cindy 
English
Suzuki no doubt hopes his arguments will spur us to action .Does his closing help to achieve that goal
asked by oshar 
i am sorry i wrote it wrong
x46 answer:x=10,2 i need help on this one please: 5x+34 is greater than or equal to 9
asked by check this please!!! only 1 question!!! 
language arts
what is Gary Paulsens political view? Republican or Democrate or Liberal?
asked by hunter 
physics
the earth (mass=5.98x10^24kg) rotates around the sun in a orbit that is approximately circular, with a radius of 1.5x10^11m find the orbital speed of the earth around the sun
asked by peter 
math
N=9+x+yz Where x,y,z are variable representation of some digit (0 to 9) Alok is like to maximize N while Bhanu Is like to minimize it towards this end ,Alok chooses a single digit number and bhanu substitute this for a variable of her choice (x,y or
asked by reenu 
English
1. They don't like hot curry. (Does hot curry mean the curry which is hot? Do you have other types of curry dish?)
asked by rfvv 
Spanish 1
21. Veronica es ______. a. graciosa, generosa y prudente b. perezosa, tacaño y desordenado c. deportista, paciente y artístico d. serio, callado y amable A? 22. Yo _____ amable. a. me llamo b. soy c. estás d. me gusta C? 24. Yo ____ en casa a. ayudar b.
asked by mysterychicken 
3rd grade
using four different digits, what is the least sum you can get when you add two 2digit numbers
asked by daniel 
physics
Atwood's Machine An Atwood's machine consists of two masses, and , connected by a string that passes over a pulley. If the pulley is a disk of radius and mass , find the acceleration of the masses.
asked by lauren 
Chemistry grd 11
Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?
asked by Tarkan 
Anniversary
Hello Jiskha! Today is November the 8th and this is my 1year anniversary on this website. I'd like to thank all the tutors who have helped me since November 2009 and I look forward to more assistance in the future! Sincerely, AL 92
asked by AL 92 
Maths
9. consider the function y=e^x sin x where pie < x < pie find dy/dx which is e^x(cos x  sin x) show that at stationary points, tan x = 1.  I have done this part I don't understand this part: How do I do this: determine the coordinates of the
asked by Ronald 
math
The number of households with vcrs in 1990 was about 87.5% of the number with vcrs in 1993. About how many households had vcrs in 1993?
asked by lilly 
Physics Help
A hot air balloon starts at its launching station and it goes at a horizontal speed of 2.7 m/s and a vertical wind of 1.1 m/s. Once it reaches an altitude of 202 m, it stays at that altitude for 10.3 s, which is when it drops a sandbag. How far will the
asked by Kourt 
PHYSICAL SCIENCE
If a 50.0g silver spoon at 20.0 degrees C. How much heat does the spoo absorb from the coffee to reach a temperature of 89.0degrees C?
asked by Lady T. 
help physics
the earth (mass=5.98x10^24kg) rotates around the sun in a orbit that is approximately circular, with a radius of 1.5x10^11m find the orbital speed of the earth around the sun
asked by peter 
Math homework, check+ Help please? :)
Here is a picture of what I'm doing so that the helpers will explain it better: oi54.tinypic(Dot)com/k6vjd.jpg What I don't understand is How would you set it up and solve this? Could someboy help me? Thank you.
asked by Allyson 
physics
A sealed cubical container 30.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 20.0°C. Find the force exerted by the gas on one of the walls of the container.
asked by Milo 
Chemistry grd 11
Provided with enough heat, magnesium and oxygen can undergo a synthesis reaction. How much magnesium oxide is produced if 50g of Mg is reacted with 50g of oxygen?
asked by Tarkan 
grammar
Why is it important to use appropriate punctuation, including plurals and possessives, in your writing?
asked by cindy 
Econometrics
The GPA in an econometrics exam was normally distributed with a mean value of 80. In a sample of 20% of it was found that GPA was less than 75. Can you tell what the s.d. of the GPA was?
asked by Anonymous 
algebra/geometry please correct me
You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 2 inch? Answer with the help of Reiny, but doing it with a different radius to make sure I
asked by Nancy 
english
Please correct my english! Hello everybody! I'm not an english speaker, but currently study english at school. Our homework is to write an english dissertation. But before it, we should give the teacher the detailed plan. It's noted, so I will be very
asked by Jack 
algebra
cubed square root 16x^2y over cubed square root 2xy^2
asked by Candice 
Social Studies
What type of people live in brazil
asked by TOM 
math 1
what is c squared minus 6cd plus 9d squared minus 4
asked by Bryanne 
Social Studies
What are the issues in brazil
asked by TOM 
Social Studies
Who are the leaders in brazil and their position and name
asked by TOM 
Algebra
One inch is equal to approximately 2.5 centimeters. Let x represent inches and y represent centimeters. Write an equation in standard form relating x and y. Give the values of A, B, and C.
asked by Loren 
Social Studies
Name the industries in brazil
asked by TOM 
mat 116
8x27=32 1/3 Thank you for your help.
asked by cindy 
Social Studies
What countries are neighbors with brazil.
asked by TOM 
College English
I need help with expanding the following essay. Hoagland describes that he feels like a city rat, living in New York City. There is a lot more violence than there used to be, yet after seeing or hearing about it one just goes on with their life. People
asked by Anonymous 
general
Neurons receive communication through dendrites which act as antennae. Transmitting these initial messages to other neurons is the function of the: cell body. synapse. cerebellum. axon. Im between A and D. Please help.
asked by phil 
Soc.331
Discuss current trends affecting social welfare. Do modern trends favor the solution of social issues? What are the most effective social welfare organizations today in your opinion, and why?
asked by Barbara 
Physics
A 25.0 Kg sled with a rope attached is being pulled down a slope with a 21 degree angle. There is an 8 Kg box on the sled.The tension gradually increases. At what value of tension does the box slip?
asked by Janice 
geography
Which of the fortyeight contiguous states has the largest land area? My answer is Texas. I actually just looked on my U.S. map but then decided to look online at another U.S. land map. So I do think I am correct but just wanted to make sure.
asked by Reed 
Algebra
4a/16 + a/16 =?
asked by Bob 
Math Graph
Sketch y= (1/4)(2)^(x4)+5 by first including a table describing its major features.
asked by Ali 
physics
A space habitat for a long space voyage consists of two cabins each connected by a cable to a central hub as shown in the figure below. The cabins are set spinning around the hub axis, which is connected to the rest of the spacecraft to generate artificial
asked by Anonymous 
Math
X(1,2),Y(2,1),Z(4,1); scale factor 3
asked by Sarah 
algebra
Express the amount of material needed to make a can as a function of the radius. In other words, find a function A(r) such that A represents the surface area (in square inches) of the cylinder and r is the radius (in inches). my answer (not sure) A(r) =
asked by Nancy 
Physics
I wasn't asking anyone to do it for me. I need help starting it. I've been waiting all weekend. Posted it a few times: A 61 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 29 m/s. If the
asked by Anonymous 
Writeacher
Writeacher, I have thought out and reposted my ideas. I would like it if you could add in what you also want to say, that way the next time I do something similar to this, I could recognize all the different things beyond the lines to add. To laugh often
asked by Angelina 
math
Describe the steps to graph the direct variation equation y = – 3x. In the formula d = rt, what do each of the letters stand for and how do they relate?
asked by sakovia 
Biology
Describe the ecosystem’s population growth and regulation through community interactions.
asked by Anita fields 
St. Martin
A container of volume 20.5 cm3 is initially filled with air. The container is then evacuated at 0oC to a pressure of 19 mPa. How many molecules are in the container after evacuation if we assume that air is an ideal gas?
asked by Tanya 
algebric expression
3/a+2/b+1/abc
asked by Anonymous 
Physics
A football is thrown at 14.0 m/s at an angle of 35.0 degrees. How far away does it land?
asked by Spencer 
lakewood park
the rule for input output table divide m by 3 what is m
asked by william 
geography
Name the gulf located between the countries of Sweden and Finland? The Gulf of Bothnia or the Gulf of Bothemia. I need help!!!!!!!
asked by Reed 
math
explain why estimating before you divide helps you place the first digit in the quotient
asked by julie 
Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves
asked by Sydney 
6th grade
triangular prism length 30 cm, height 20 cm, volume 6,000 cubic cm, what is the width?
asked by Ken 
College History
Were doing a reacting the past game in my class, and i need some help on coming up with an argument for the side of Moderate Demorcrate about "Should the electorate be limited to those who have atteneded special schools or otherwise intellectuatl merit?"
asked by Rebecca 
algebra
4x8=12+6x Please help! Thankss!
asked by thawk 
8th grade
How do you calculate displacement and distance and velocity? (science)
asked by Caleb 
Human Physiology
A subject with a body weight of 60 kg was injected with 10 ml of a 1% (w/v) solution of Evans Blue. After 10 min, the blood was sampled and found to contain 0.035 mg ml^1 of the dye. What is the subject’s plasma volume in litres?
asked by Dean 
Physics. Please Help!!!
A hot air balloon starts at its launching station and it goes at a horizontal speed of 2.7 m/s and a vertical wind of 1.1 m/s. Once it reaches an altitude of 202 m, it stays at that altitude for 10.3 s, which is when it drops a sandbag. How far will the
asked by Kourt 
8th grade
How do you calculate the slope of a line?
asked by Caleb 
algebra 2
What is the factorization of the trinomial 3x2 plus 27x plus 60?
asked by robert 
Chemistry
A weather balloon is inflated to a volume of 29.6 L at a pressure of 734 mmHg and a temperature of 27.0 C. The balloon rises in the atmosphere to an altitude, where the pressure is 360 mmHg and the temperature is 13.6 C.
asked by Lisa 
Kelsie
name the element wsith the atomic number z= 15 and the atomic mass number 31. How many electrons does the neutral of this lement have? How many neutrons does the neutral atoms of this element have? I know the element with the atomic number of 15 and atomic
asked by CHEMISTRY 
Physical science
A 1.0kg metal head of a geology hammer strikes a solid rock with a velocity of 5.0m/s. Assuming all the energy is retained by the hammer head, how much will its temperature increase?
asked by Anonymous 
general ethics question
Some industries and businesses have their own uniquely applicable laws and standards. In this thread, let's share our own experiences with industry standards. What field are you in? Are there specific laws and standards associated with this industry? Why
asked by Anonymous 
HRM
How do the human resources assistance plan and aids fit into a strategic plan for a probation officer
asked by Pam 
math
Base 10 gets me so confused. How to convert 40 to base 2
asked by m 
12th grade
How many moles of atom are in 47 atoms Ba?
asked by stef 
Biology
Action potentials: Tick the box next to the ONE answer you believe is TRUE. A. compound action potentials increase in amplitude as the stimulus strength is increased. B. ONE action potential takes in the order of 12 seconds to be observed. C. generation
asked by Jack 
physics help
The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its "resting" height of 1.1 m down to 0.1 m as the vaulter is slowed to a stop. (a) What is the time interval during which a vaulter who has
asked by john 
geography
What is the name of the large mountain range in South America? I know the longest mountain range is The Andes so can I assume this is the answer my teacher is looking for??
asked by Reed 
english
rhymes and plural and possessive nouns for the jumps of lambs
asked by Roger 
Science
I conducted an experiment of the heat of combustion for three alcohol fuels, methyl, propyl and ethyl. The results were: Methyl  mass before was 231.81g temp of water before heating was 15 deg c. temp of water after heating was 40 deg c. mass of methyl
asked by Paul 
Math
how to solve ∫(sin ^ 3/2 x) dx ?
asked by Briandhika 
physics
What are the three longest wavelengths for standing sound waves in a 126cmlong tube that is? (a) open at both ends and (b) open at one end, closed at the other?
asked by lizz 
math
Convert the base 10 number in the indicated base. 40 to base 2 I get so confused on how to do this.
asked by m 
physics
In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 170 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift?
asked by michelle 
college
FIND VERTICAL ASSYMPTOTE... X^31 _____ XX^2
asked by JOHN 
Chemistry
What is the difference between and orbit and an electron orbital?
asked by Lala 
science  biology
Neurons: A. may be myelinated by microglia. B. secrete neurotransmitters from their nerve terminals in response to action potentials. C. are the most abundance celltype in the brain D. often contain swellings at the nerve endings known as synaptic battons
asked by Fred 
geometry
what are the possible coordinate of the midpoint of the given segment
asked by dave 
math
A solution of alcohol and water is a% alcohol where a = 40. The solution is found to contain 32 milliliters of alcohol. How many milliliters total (both alcohol and water) are in the solution?
asked by Sabre 
Physics Help!!! solids and fluids
During a transatlantic flight, you drink a bottle of water and tightly close its lid again. Back on the ground during taxiing to the terminal, you notice that the thin plastic bottle is crushed, and you eyeball it to be only about 80 percent of its
asked by Molly 
chemistry
How many formula units is a 125.8g of Nacl
asked by jas 
Physics Urgent
A container of volume V = 103 cm3 has a mass of 30.0042 g when evacuated. When the container is filed with an unknown gas of pressure p = 4.72 atm at temperature T = 20oC, the mass of the system increases to 30.9508 g. Assuming that the unknown gas behaves
asked by Sydney 
Physics earth & Space
toward what direction, north or south would you look to the sun at noon on june 2122 if you lived at the following latitudes
asked by Robert 
physics
If there are three forces acting on an object, one straight up, one up at an angle to the left (angle unknown) and one up at an angle to the right what direction is the combined force? Is it possible for the combined force of those three forces to be down?
asked by Joel 
math
Estimate by rounding: to the nearest thousand: 9637+6387+662+403=17089 going to nearest thousand would make this 17000 am i right?
asked by m 
pre algebra
you flip a coin and toss a 16 number cube. P(not tails and not a 3
asked by autumn brooks 
Physics Urgent!!!!!!
We consider an ideal gas of molar mass M = 16 g/mol at +10oC. What is the pressure of the gas if its density is 1.16 kg/m3 ?
asked by Sydney 
Math
What is the value of the expression below? 3•(4)^2
asked by Denis 
geography
Which hemisphere is larger, The Eastern or Western? Can you please give me a web site to look at for this answer. I find it to be that they are the same size, but in terms of landmass the Eastern hemisphere is larger. Is that correct?
asked by Reed 
social studies
write a paragraph explaining the results of the french and indian war
asked by kayla 
English
Posted by rfvv on Monday, November 8, 2010 at 7:14am. 1. He is an early bird. 2. He is a morning person. 3. He is a late bird. 4. He is an evening person. (Does #1 mean #2? The opposite of #2 is #4, right? What about #3? What is the opposite of #1?)
asked by rfvv 
Cal
How do you find dy/dx by implicit differentiation with respect to x? x^3 + y^5 = 1
asked by Annie 
Science
1. Explain the SIMILARITIES between ice cores and tree rings. If possible:{use 2 to 3 sentences}. ,Thanks.
asked by Sherkyra8456 
Science
1. Explain the SIMILARITIES between ice cores and tree rings. If possible:{use 2 to 3 sentences}. ,Thanks.
asked by Sherkyra8456 
English
Can you help me check these sentences, please? Thank you very much for your invaluable help. 1) When did the fire break out (?) in London? 2) The old cathedral was badly damaged by a fire which broke out in a baker's shop in London. 2) What material was
asked by Franco 
English
1. I am a farmer, ain't I? 2. I am a farmer, aren't I? (Which one is correct? What is the correct tag question?) 3. Open the door, will you? 4. Open the door, won't you? 5. Don't open the door, will you? 6. Don't open the door, won't you? (Which ones are
asked by rfvv 
Science
2. How are geologic and biologic evolution connected? What happens in geologic evolution that affects biologic evoulotuion? {Answer the 2 questions given + use complete sentences.}[make a long story short...]
asked by Sherkyra8456 
math
kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined
asked by Katherine 
Graphing
Sketch y= (1/4)(2)^(x4)+5 by first including a table describing its major features.
asked by Ali 
12th grade
if cos Q=5/9, find 5/9
asked by chris 
Chemistry
How do I set up my equation to determine what the pH will be when the concentration of Fe^3+ is reduced to 10^7? The previous part of the question had me find what the pH would be for the Fe(OH)3 to precipitate at 0.20 M. which i found was 1.37
asked by Carl 
math
for the function f,y=f(x) is inversely proportional to x, where x>0. If f (3)=6 what is the value of f(2)?
asked by Grace 
chemistry
A tragedy hits a small town. The elementary school explodes into flames trapping several classes of second graders. Because the volunteer fire department will take too long to get there, teachers and classified staff remove all the children to safety
asked by phil 
Writeacher
To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it
asked by Angelina 
Math
Find the inverse of the function f(x) = x / 2x+1 I know that you would make this x= y / 2x+1 but now I do not know what to do.
asked by Hannah 
Chemistry
Would there be any effect on the amount of precipitate if tap water containing calcium ions is used instead of deionized water to dissove the reactants? Assume that Na2CO3 is present in excess
asked by Chloe 
Managerial Accounting
What is your view of the business economics of the Thoroughbred Horse Industry? What are the risk? How should the industry measure success?
asked by Lisa 
check math question
Given y=2^x Predict the equation for the graph that has been reflected in the yaxis, given a vertical stretch by a factor of 5, translated 2 units right and 5 units down. I have: y= 5 (2) ^ (x2)  5 Is this correct?
asked by Ali 
english
how do you write an addres
asked by helan 
college
Compare the event to one or more similar events. When comparing, use at least three comparatives and three superlatives.
asked by Brandon 
Chemistry
Calculate the change in heat when 3.05g of water vapor (steam) at 100.0 degrees celsius condenses to liquid water and then cools to 18.50 degrees celsius.
asked by Jess 
6th grade
if a lawnmower is 45 % off and the sale price is 114.95what is the original cost?
asked by Cristi 
algebra
HOW DO SOLVE A BOAT TRAVELED 336 MILES DOWNSTREAM AND BACK. THE TRIP DOWNSTREAM TOOK 12 HOURS. THE TRIP BACK TOOK 14 HOURS. WHAT IS THE SPEED OF THE BOAT IN STILL WATER? WHAT IS THE SPEE OF THE CURRENT
asked by JAMES' 
6th grade
Hey how do you turn 5/8 into a decimal??
asked by Beth 
MATHStuck :(
I really need help factoring these special Trinomials. This question really puzzled me. I thought I had it correct, but when I checked the answer at the back of the book, I was wrong, and so I would like to know what was it that I had done wrong. This was
asked by Anonymous 
math
Three numbers in an arithmetic sequence sum to six. If you add 1 to the first number, 2 to the second number, and 5 to the third number, the result will be a geometric sequence. What are the original 3 numbers?
asked by Katie 
english
Somberness is a mood.?
asked by danny 
3rd grade
How can estimating help you add twodigits numbers?
asked by javon 
eng3
In 'Sinners in the Hands of an Angry God,' Edwards compares man's position to a?
asked by Ariel 
english
use laugh in a sentence.
asked by Yemley 
geometry
If an object is reflected twice over parallel lines, and corresponding points of the original and final translation image are 30 centimeters apart, how far apart are the parallel lines?
asked by devona 
math
kyle had 36 books in hislocker. some were library books, some were textbooks, and the rest were telophone books. the number of library books and textbooks combined equal twice the number of textbooks. the number of textbooks and telephone books combined
asked by Katherine 
Algebra
You need to make a soda can with a volume of 29 cubic inches. Find the surface area. calculate the following: a) How much material is needed if the can's radius is 1 inch?
asked by Nancy 
chemistry
A sample of gas is at a pressure of 1 atm , a volume of 1 L , and a temperature of 25 degrees celsius. What would happen to the pressure if the volume were reduced to 0.5 L and the temperature increased to 250 degrees celsius?
asked by Anonymous 
english
A plot is made up of _____. more than one event? or one event?
asked by danny 
chemistry
What is the temperature of 0.65 mol of gas at a pressure of 1.1 atm and a volume of 11.2 L?
asked by Anonymous 
antelope valley
What is the acceleration of a modified atwood machine if the mass of the cart is 4 kg and the hanging mass is 11 kg. (g = 9.8 m/s2  give your answer to one decimal point) Please include the accepted abbreviated form of the appropriate unit. m/s2 = m/s/s
asked by john 
Physics
The karat is a dimensionless unit that is used to indicate the proportion of gold in a goldcontaining alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twentyfour. What is the volume of gold in a 20.0karat gold
asked by Sarah 
math
find the equations of the quadratics given the following information zeros of 5 and 9 an optimal value of 2 using the formula y=a(xs)(xt)
asked by Ted 
MATH
How does the equation of a log and Ln function effect the graph. (Ex. Dilation, reflection, ect.)
asked by Kaitlyn