Questions Asked on
July 12, 2010

Physics
"A fish hangs from a spring scale supported from the roof of an elevator. If the elevator has an upward acceleration of 1.2m/s^2 and the scale reads 200N, under what circumstances will the scale read 150N? What will the scale read if the elevator cable
asked by Stuck 
finance
You have credit card debt of $25,000 that has an APR (monthly compounding) of 15%. Each month you pay minimum monthly payment only. You are required to pay only the outstanding interest. You have received an offer in the mail for an otherwise identical
asked by Tara 
chemistryhelp needed
How do I prepare 250ml of 10% phosphoric acid from 85% phosphoric acid(density 1.69g/ml)? Thanks.
asked by Minnie 
finance
Oppenheimer Bank is offering a 30year mortgage with an EAR of 5 3/8%. If you plan to borrow $150,000, what will your monthly payment be?
asked by James 
economics
A firm has two factories, one twice as large as the second. As the number of workers at each factory increases, which factory will experience diminishing returns first?
asked by Anonymous 
Chemistry
How do I prepare 10% orthophosphoric acid in 250ml volumetric flask from 85% orthophosphoric acid(density 1.69g/ml) ?
asked by Minnie 
Physics  Another Question
"Two girls, one of mass 40kg and the other of mass 60kg, are standing side by side in the middle of a frozen pond. One pushes the other with a force of 360N for 0.10s. The ice is essentially frictionless. What is each girl's acceleration?"
asked by Stuck 
Physics
"A roller coaster reaches the top of the steepest hill with a speed of 1.4m/s. It then descends the hill which is at an average angle of 45 degrees and is 50m long. What will its speed be when it reaches the bottom?"
asked by Stuck 
Chemistry
If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions? I found the molar mass of CaCl2 is 111.0g/mol; the molar mass of NaCl is 58.44g/mol. I divided 10g CaCl2/111.0g CaCl2 I divided 10g
asked by Casey 
Physics
How much work does the electric field do in moving a 7.7 micro Coulomb charge from ground to a point whose potential is +55 V higher?
asked by Jae 
physics
an unstretched hanging spring is 50cm long. suspending a 100N weight from it makes its lenght 60cm. Adding another 100N weight will make the spring  60cm, 70 cm, 80 cm, 100 cm, or 120 cm. No idea how they came up with any of the five ??? My answer was
asked by Jen 
chemistry
how many atoms are contained in 12g of H2O2 ?
asked by Anonymous 
veterinary medicine
A pet owner accidentally applies 2.5 ml of a dog flea product containing 45% permethrin to a 15 lb cat. What is the dosage this cat received?
asked by Nancy 
Chemistry
Complete and balance the following neutralization reactions. then, write the names of all the reactants and all the products in each chemical reaction. A) HNO3 + Al(OH)3 = 3HNO3 + Al(OH)3 > Al(NO3)3 + 3H2O Reactants: Nitric acid, Aluminum hydroxide
asked by Derrick 
finance
You have found three investment choices for a one year deposit: 10% APR compounded monthly, 10% APR compounded annually, and 9% APR compounded daily. Compute the EAR for each investment choice. Assume that there are 365 days in the year.
asked by Andrea 
pharmacy math
the iv dose of mannitol is 1.5g/kg, administered as 15% solution. how many mls of the solution should be administered to a 150 pound patient.
asked by kim 
Chemistry
In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was
asked by Sam 
Physics
"A 5000kg helicopter accelerates upwards at 0.50m/s^2 while lifting a 2000kg car. What is the lift force exerted by the air on the propellers?" I don't understand what the problem is asking for.
asked by Stuck 
SCIENCE
A pilot of a light plane heads due north at air speed of 400km/h and wind is blowing from the west at a 60km/h.what is
asked by ANTHONY 
college
In the reaction Fe2O3 + 3CO ¨ 2Fe + 3CO2 How much CO is used to produce 112 grams of iron?
asked by Dillon 
CHEMISTRY (WEBWORK)
What is the pH of the solution created by combining 1.20 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH pH w/ HCl pH w/ HC2H3O2 1.20 ? ? Complete the table below: What are the pH values if you
asked by Anonymous 
physics
1. Would ocean tides exist if the gravitational pull of the moon (and sun) were somehow equal on all parts of the world? I know it's no but why? 2. With respect to spring and neap ocean tides, when are the lowest tides? That is, when is it best for digging
asked by anonymous 
math
22A #2 Rewrite the following using mathematical symbols: a. P is equal to the set containing a, b, c, and d. b. The set consisting of the elements 1 and 2 is a proper subset of {1, 2, 3, 4} c. The set consisting of the elements 0 and 1 is not a subset of
asked by Bridget 
his
Whst steps did louis XIV to consolidate his power as the absolute monarh of France?
asked by ami 
physics
Two cars, one in front of the other, are traveling down the highway at 25 m/s. The car behind sounds its horn, which has a frequency of 500 Hz. What is the frequency heard by the driver of the lead car? (vsound = 340 m/s). I have the answer but I just
asked by Katie 
algerba
which is the simplest form of the radical expression sqrt (10)+6sqrt(10)+3sqrt(10)
asked by ana 
chemistry
hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl named Sara,but her answer didn't really help me much because it did not answer the question. What is the pH when enough 0.10 M
asked by THOMAS 
psychology
This solution covers the following theories of emotion: the JamesLange theory, the CannonBard theory, the twofactor theory, and the cognitivemediational theory. It begins by defining them and explaining them in terms of the interactions between their
asked by Anonymous 
Physic Check
These are questions I'm unsure about out of 20 for my submission #2. Someone please check soon. My answers have an =. 1.)A ball is rolling across the top of a billiard table and slowly rolls to a stop. How would Galileo explain the motion of the ball as it
asked by Ariel 
science
what was the most important factor for the formation of our planets?
asked by marquis 
Chemistry
a chemist needs 46 mol of ammonia for a reaction to complete. he has 46 grams available but needs ammonia as a liquid (D=2.4g/ml). does he have enough? ammonia has an atomic weight of 17 grams
asked by Marie 
GEOMETRY
Which of the following is NOT a way you can show that triangles are similar? A.AAA similarity B.SAS similarity C.SSA similarity D.SSS similarity
asked by Superman 
physics
A 5newton block is being pulled up a ramp at a constant speed. The angle between the ramp and the horizontal is 30°. If the ramp is nearly frictionless, what is the magnitude of the force needed to pull the block?
asked by luns 
physics
1. Calculate the speed in m/s at which the Earth revolves about the sun. You may assume the orbit is nearly circular. 2. A satellite is about 6.5 x 10^3 km from the (center of the) Earth. Find its average orbital speed about the Earth. 3a. A certain
asked by anonymous 
algerba
simplify the expression 10xy  15y / 5y 10xy 3y^2 is my answer rigth or wrong
asked by ana 
geometry
If the arc on a particular circle has an arc length of 14 inches, and the circumference of the circle is 84 inches, what is the angle measure of the arc?
asked by Superman 
Geometry
An antique dealer visited three shops. She spent $25 at the first shop. At the second shop, she spent half of her remaining money. At the third shop, she spent one third of her remaining money and had $60 left. How much money did the dealer have
asked by Josh 
Math
If I bought an item for $80 on which there was a 30% markup, what is the formula to determine the premarkup price?
asked by Craig 
Physics Check
Since I've been waiting to get my answers checked for my submission #2, I moved on to my submission #3 and I need some questions checked for my submission #3 please. 1.)If a blue car drives 10km/h across the deck of an ocean liner that is traveling at
asked by Ariel 
Geometry
Larry, Lionel, and Lester painted a fence. Larry painted the first 1/3 of the fence. Lionel painted 3/5 of what rtemained. Lester painted the final 40 ft. How long is the fence?
asked by Josh 
science
based on how we are treating our earth today. what events have led to what humans want from a place in the movie called pandora. thinking of climate, carbondioxide and greenhouse gases.
asked by Ted 
adult education
what is the angular velocity in radians per second of a bicycle tire of diameter 70 cm, when the bike is traveling at 30km/h?
asked by youyou 
Chemistry
On an organic acid, the maximum electrostatic potential 1) is the most negative part of a molecule. A. true B. false 2) is demonstrated by the color blue. A. true B. false 3) usually indicates the most acidic atom. A. true B. false
asked by Anth 
math
what is 20 Jamaican dollars equal in Canada.
asked by saira 
Comm/155
I need to know if these are correct I have Bolded the adverbs and underlined the adjectives. I have had both good and bad experiences when dealing with credit cards. My credit went from good to better and eventually to what I thought was the best credit
asked by Deb 
Science
How many muscles does it take to smile, and how many muscles does it take to frown? How many muscles does it take to raise my eyebrows?
asked by Hannah 
Grammar
Fill in the sentences with adverbs. Do not repeat. 1.______ my friend and I _____ went _____. 2.We had _______ wanted to go ____, so we went _____ ______ and ____. 3. When we arrived _____, it was ____ dark, so we ____ went _____. 4. ____, we were ____ and
asked by LaLy 
psychology
research over the last decade has shown that the percentage of high school students engaging in sexual intercourse a)is on the rise b)has remained the same c)is on the decline d)varies
asked by tee 
chemistry
the longest lived radioactive isotope yet discovered is the betaemitter tellurium130.it has been determinded that it would take 2.4 x 10^21 years for 99.9% of this isotope to decay. write the equation for this reaction, and identify the isotope into
asked by penelope 
geometry
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
asked by Superman 
business law
An Illinois state statute bans certain advertising to prevent consumers from being misled. A court would likely hold this statute to be 1. justified by the need to protect individuals' rights. 2. an unconstitutional restriction of speech. 3. necessary to
asked by John 
chemistry
how do you solve this What is the pH of the solution created by combining 2.60 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH 2.60 pH wHCl: _ pH wHC2H3O2 : _ Complete the table below: What are
asked by Jin 
chem webwork
A. Increasing halogen atom size. B. Decreasing acid strength. C. Shortening of the CC bond. D. Increasing electronegativity. E. Higher dipole values going from F to Cl to Br. cant paste the spartan stuff... whats the answer?!?!?
asked by Anonymous 
Chemistry
For fluoracetic acid the highest Boltzmann distribution is when the dihedral angle is at 0 degrees. However, going from chloro to bromoacetic acid, an increasing dip in the Boltzmann distribution occurs at 0 degrees. What is responsible for this "dip?"
asked by Anth 
anatomy
Venous return from the limbs, particularly the lower limb, to the heart is a complex process. Explain with diagrams as appropriate the mechanism(s) that facilitate venous return from the lower limb.
asked by george2 
chemistry
hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl named Sara,but her answer didn't really help me much because it did not answer the question. What is the pH when enough 0.10 M
asked by THOMAS 
Physical Science
How much heat is necessary to change 20 g of ice at 0 degrees C into water at 0 degrees C?
asked by Pam 
Maths
Hi, I need to calculate the size of one of the interior angles of a regular heptagon (i.e. a regular 7sided polygon). Any help appreciated
asked by Jim 
trig
two trees r on oposite sides of a river..a cable is atatched at the top of one treen the bottom of another.the length of the cable is 45m the angle is 33 degrees ..q:wats the horizontal distance bewen the two trees
asked by jaydene 
CRT205
Hi class, I don’t have a lot of time to explain but off the top of my head answer is as a reader critical thinking affects me all ways. Not just reading but writing too. Sometimes what I read I must write about later like this discussion question so
asked by Terry 
biology
Describe the plant life, animal life, and geology of the ecosystem in new york. What populations and communities are present? How dependent is brooklyn on this ecosystem? What are the limiting factors of the ecosystem?
asked by mala 
algebra
Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problemwhat would you tell him? Tiffany Oakes
asked by kiMBERLY 
Social Studies
Explain how the U.S became involved in the politics of Southeast Asia. Explain how this involvement affected the U.S. politicalclimate of the 1950's
asked by Kent 
BIOLOGY
In general, the frequency of APs in an afferent neuron is related to the amplitude of the receptor potential in the following way: a. exponentially. b. there is no general relationship. c. logarithmically. d. linearly. thx
asked by jay 
math
6x4y=8 have to find the slope for that equation, and the yintercept, so I'll start with x=0
asked by Stephanie 
Precalc
1. Find the equation for a quadratic function whose vertex is (2,5) and whose graph contains the point (8,15). 2.What are the x and y intercepts for y=2x^2+x6 Plesee explai. I want to learn to learn how to do them.
asked by Leslie 
math
how can i find the degree of 2x^5y^3+6x^2y^7
asked by Jetta 
psychology
approximately blank percent of american adolescents have attempt suicide at least once a)5 b)10 c)15 d)20
asked by tee 
Physics Check
A ball is rolling across the top of a billiard table and slowly rolls to a stop. How would Galileo explain the motion of the ball as it stopped? a)The ball's natural state is at rest =b)The ball stopped because it ceased to be pushed c)The ball stopped due
asked by Ariel 
psychology
individuals who are less than 21 commit approximately blank % of serious crime a)10 b)25 c)30 d)40
asked by tee 
Botany (seed plants)
Why reproduction in seed plants (spermopsids)is not dependent upon water? please explain!
asked by Mesut 
his
trace the course of french revolution from calling estates general to creation of national assembly? why estate general called and what groups comprised and what were their goals and outcomes?
asked by ami 
geometry
A snail is crawling along a meter stick. At a certain point the snail stops. The snail needs to crawl three times as far as it has already crawled in order to be 4 cm from the end. How far has the snail already crawled?
asked by Josh 
business 115
List your references according to APA guidelines in the space below. You are required to use at least one outside source to support your viewpoint, and this source can be the textbook.
asked by Clyde 
Chemistry
Haloacetic acids have the largest maximum electrostatic potential when the Boltzmann distribution is A. high B. low C. intermediate dipole is A. low B. high C. intermediate acidity is A. high B. low C. intermediate
asked by Anth 
chemistry
how do you solve this? What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH pH wHCl pH wHC2H3O2 12.30 Complete the table below: What are the
asked by Jin 
mathalgebra
The perimeter of a rectangle is 174 inches. The length exceeds the width by 11 inches. find the length and the width.
asked by Michelle 
social studies
The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great Society. Our accomplishments have been many; these tasks remain unfinished: > to achieve full employment without inflation; > to
asked by joshua 
math
solve using the substitution method....(solutions must be in ordered pairs form) 9m+n=24 m8n=27
asked by Michelle 
Government
• What factors make it more likely that a bill will become law? What factors make it less likely? • Is it easy or difficult to pass a bill? What are some of the advantages of passing legislation quickly? What are some of the disadvantages? • Does
asked by Debbie 
Sociological
The term sociological was coined in 1833 by who
asked by Esther 
math
how to know exponent ?
asked by bridget 
English
Help with fragment, The panther lay motionless behind the rock. Waiting silently for its prey.
asked by Matthew 
math
A plumbing supplier’s mean monthly demand for vinyl washers is 24,212 with a standard deviation of 6,053. The mean monthly demand for steam boilers is 6.8 with a standard deviation of 1.7. Compare the dispersion of these distributions. Which demand
asked by bebe 
physics
1) What is the effect of adding a weight to the end of a baseball bat used for practice swings? 2) What does it mean to say that angular momentum is conserved? 3) If a skater who is spinning pulls her arms up so as to reduce her rotational inertia to two
asked by anonymous 
Websites
Hey, I am searching for websites that offer free homework help, and I figured out that this one does. I feel proud of this website to help students for free. I'm wondering if there are any other sites like these? Please list some down below if you are
asked by Anonymous 
Marketing
A manufacturer of AC units realizes a cost of $55.00 for every unit produced. Its total fixed cost is $2,000,000. If the manufacturer produces 500,000 units, calculate its: a. unit cost b. markup price if it desires a 10% returns on sales c. ROI price if
asked by Craig 
chemistry
how many mililiters of a 0.27 M HCl solution are needed to react completely with 2.7 g of zinc to form zinc (II) chloride?" equation. 2 HCl + 1 Zn > 1 ZnCl2 + 1 H2
asked by Nicole 
Maths
Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out to be 0.5 and its y  intercepts as 5. For some reason i am having a mental block on the next bit! I need to add the line y =
asked by Jas 
Physics Help
This is confusing me. I have to questions and I picked 2 answers but can someone tell me if I'm wrong and why? 1.)The distance an object travels per unit of time =a)Is its speed b)Is its velocity c)Is its acceleration 2.)The distance and direction an
asked by Ariel 
History
Can't seem to find the answer to this question. In the aftermath of WWI, the largest manufacturing industry in the state of California was? a. canning industry b. auto industry c. agriculture d. petroleum e. none of the above.
asked by Hiro 
Communication and Gender Studies
What message in the lyrics from Harry Chapin cats in the cradle song from 1974 convey considering the relationship to gender and family? Could this song have as easily been written about a mother lamenting her relationship with her daughter? If so, why? If
asked by Robert 
english
hwo do nation a part organize infomation to build his arugment?
asked by sharon 
Chemistry
Haloacetic acids are the most acidic when the molecule is A. stable B. unstable dihedral angle is A. intermediate B. 0 C. 180 conformation is A. SYN B. ANTI C. neither
asked by Jay 
science
This question is not a science queston though, but have you watched the movie AVATAR
asked by Ted 
Mike
In a suit between Best Products, Inc., and Central Sales Corporation, the court applies the doctrine of stare decisis . This means that the court follows rules of law established by 1. courts of higher rank only. 2. all courts. 3. no courts. 4. courts of
asked by John 
English
Hi, could you please tell me if these 2 sentences are correc. Each of the twins has a doll in their room. 2. The couple have gone on vacation. Also, when you have neither....nor, you use has don't you? Example Neither Helen nor Sarah has finished their
asked by Lily 
business 115
No one can predict a natural disaster or world crisis. When a hurricane or flood or a pandemic strikes a country, who is most likely to respond first? Which economic system is the best solution to handling a crisis of epic proportion?
asked by Clyde 
math
what is R^0 R^8 equal
asked by mel 
business 115
What advantages might a socialist system have in responding to the needs of people struck by an emergency situation like the earthquake that occurred in Haiti in January, 2010?
asked by Clyde 
business115
When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain why this phenomenon may be a good thing, using the laws of supply and demand to explain your answer.
asked by Clyde 
health care
what could I write a quality assurance paper on?
asked by cortez 
chemistry
When you set up the ICE chart, are you supposed to bring the 0.05 to the product side to give you an equation of x^2 / x  0.05?
asked by THOMAS 
math
How many different positive fourdigit integers can be formed if the first digit must be 2, the last digit cannot be 0, and digits may be repeated? a) 336 b) 900 c) 1000 d) 9000 e) 10000
asked by Kyle 
poetry
A man of such obvious and exemplary charm must be a liar  Brookner ONE SAYS: This is not a causal statement yet it is written so. "If it is raining, then there must be water" is a good use of the word must. Brookner should have chosen "likely" or "most
asked by reema 
Chem Webwork help
1. What is the pH when enough 0.10 M Base (in mL) is added to neutralize 8 mL of 0.10 M Acid? Complete the following table. NaOH HC2H3O2 2. What is the pH of the solution created by combining 2.60 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M
asked by Sammy 
SCIENCE
HOW GROWING RICE IN THE UPLAND IS DONE?
asked by Anonymous 
Writting
1) I had hoped the police would blame Bruce, not: _me, _myself, _mineself, _I. I is the correct answer?
asked by Tina 
Chemistry
a chemist needs 46 mol of ammonia for a reaction to complete. he has 46 grams available but needs ammonia as a liquid (D=2.4g/ml). does he have enough? ammonia has an atomic weight of 17 grams
asked by Marie 
Childcare
Children should not be served drinks in containers made of? A.Styrofoam. B.uninsulated paper. C.treated ceramic. D.stainless steel
asked by Mary 
physics
A soccer game is played. A goal keepers kicks the ball 88m . If the ball had an elevation of 40 degree angle upon its departure calculate : a) the initial velocity of the ball// b) the max. height of the ball// c) the time of flight of the ball
asked by jon 
chemistry
What is the pH of the solution created by combining 0.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
asked by Cindy 
algebra II
how would you solve this equation?? 47+d = 44
asked by lola 
Maths
I need help with the following if that's ok? Calculate the discriminant of the quadratic expression 2x 2 + 5x − 2.
asked by Jo 
Environmental Science
Hi does anyone know how to calculate the UN's de facto temperature target using max co2 relative to 2008 that can be in the atmpsphere to the nearest Gtc? please
asked by Brad 
Maths
If g(x)>0 for all real values of x, which of the following could be function g? a) g(x)= x+1 b) g(x)=x1 c) g(x)= x^2+1 d) g(x) = x^21 e) g(x) = x^3 + 1
asked by jess 
health
which president added the consumer right to education to the consumer bill of rights?
asked by alina 
trig
explain the methid used to get the answers 45m*cos33=37.7m and 45m*sin33=24.5
asked by jaydene 
Physical Science
I have a question and the answer, but I need to know how to get to the answer. Thanks What is the frequency, in hertz, of a sound wave (v=340 m/s) with a wavelength of 0.20 m? answer is 1.7 103 Hz (there is a box symbol after 1.7 and the 3 is superscript)
asked by Sam 
math
Find the degree of 7u^4v^2w^5
asked by Jetta 
math
Week 4: Exercises from EText 12. Individual Assignment: Exercises From the EText Due 7/12/10 • Resource: Applied Statistics in Business and Economics • Prepare answers to the following exercises from the Applied Statistics in Business and Economics
asked by bebe 
alg
which of the following are prime number? a) 5 b) 19 c) 33 d) 49
asked by kid 
Physics Check
A man leaves his house and begins walking in a straight line. After 2 hours he is ten miles from home. Calculate the man's average speed in terms of feet per second. (There are 3600 seconds in an hour and 5280 feet in a mile.) so i used Average speed=total
asked by Ariel 
alg
ken griffy jr hit 23 home runs in the first 50 games of the season. If he hit homw runs at this pace all season, how many would he have at the end of the year? aSSUME A 168 games schedule. Round your answer to the nearest whole number of home runs.
asked by kid 
his
napoleon russian campaign has been a disaster why? Describe the campaign what happened and the consequences for the french army and Napoleon Himself?
asked by ami