Thursday
April 17, 2014

Posts by Tom


Total # Posts: 1,007

Math
Let f(x) = (lne^2x)/(x-1) for x>1. If g(x) is the inverse of f(x0, then g'(3) = ? A. 2 B. 1 C. o D. -1 or E. -2 if you can show/explain how to get that please, thanks

psychology
what is an example of the relationship between sensory adaption and negative adaption?

Chemistry 9
what were the firstsubstnces to be discovered

Sociology
I have already answered these questions but I am a little uneasy of the answers. Could someone please read them and provide feedback and if possible a little more detail for explainations? Q: What is the meaning of stratified? A: To classify or separate (people) into groups Q:...

science
how do you balance a chemical equation

Ordinary people
I also don't get this, but wondering if this is right... What is Conrad perception of Karen and her state of mind? Is the answer for that this: Conrad talks to himself, saying "Okay Karen we'll see you around who needs you anyway who the !@#$%^& needs anybody?

Ordinary people
Chapter 7, Why does Karen say they should be careful about who they see? It is because Karen likes Conrad? OR that she's telling Conrad to control his life and live his life??

WHAT DOES THIS QUOTE MEAN??
WORK PAYS LATER. LAZY PAYS NOW.

math
Solve the following equation -5x + 1 > 11 Please include work

english - writing
I'm looking for a succinct way to help one of my sales guys write better. His syntax and use of verbs and adjectives is often weak. Here is a typical short example. What comments or observations would you make to help me help him? "Sure I have no problem to presenting...

cjs 210
CheckPoint: Police Stress Write a 350- to 700-word response describing each of the four categories of stress associated with the policing profession. Within each response, describe how this type of stress affects the officer’s job, social life, and personal life. How can ...

CHEMISTRY
Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment. 2.Measure out 25.0 m...

Chemistry
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper cup,pen,freezer,cooking pot,stove ther...

Trigonometry
Use the power-reducing formulas to rewrite the expression in terms of the first power of the cosine. [#1.] (sin^4x)(cos^4x) [#2.] (sin^4x)(cos^2x)

chemistry
Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment. 2.Measure out 25.0 m...

Chemistry
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper cup,pen,freezer,cooking pot,stove ther...

MATH
what multiplication fact can be found by using the arrays for 2x9 and 5x9?

history
What were Thomas Jefferson's most notable accomplishments during his time as president? Thanks for the help!

Algebra Dr Bob222
So if I understanding this for example I have x^2-6 I can factor because the negative sign I can get a middle term which would be (x+2)(x-3) expand it to (x^2 +2x-3x-6) (x^(2)-x-6) With x^2+6 I could not get a middle term because the sign is positive which shows me that becaus...

Algebra
I have a question I hope someone can explain it to me. We are working on Demonstrate that f actoring a polynomial. I was ask Why can you factor x² - 4 but you cannot factor x² + 4? How can you tell quickly which ones you can factor and which you cannot? I am not sure...

physics
so t clarify W can be found through alpha times time? also, what does I stand for?

physics
A horizontal 791 N merry-go-round is a solid disk of radius 1.48 m, started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk. Find the kinetic energy of the disk after 3.01 s. I am having trouble on which formula to exactly use fo...

Algebra
Equation: RCF=NCF/(1+Pi)^t Can somebody show me how to rearrange the equation to solve for Pi.

physics
A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large vegetables and pianos as a sport. A simple trebuchet is shown in the figure. Model it as a stiff rod of negligible mass, 3.05 m long, joining particl...

Logic
I know this is alot of text, but i'm having trouble understanding what my professor is asking... Study questions and Homework: St. Thomas Aquinas' arguments for the existence of God. Reading and Homework due: November 6, 2008. Work through the following, to see if you ...

physics
An ice tray contains 490 g of liquid water at 0°C. Calculate the change in entropy of the water as it freezes slowly and completely at 0°C. i tired doing -(.49kg)(2.26x106)/273.15K) but im not getting the right answr help pls!

math
im not getting the proper answer from this question: 5.0=k=c1/c2= 1.00g-x/15ml all over x/50 ml = (1.00-x)50/15x the answer comes out ot .40g

7th grade math
ok so the real eq is 5.0=k=c1/c2= 1.00g-x/15mlall over x/50 ml = (1.00-x)50/15x the answer comes out ot .40g

Science
When was first microscope invented?

physics
im sorry i tried using PV^1.4=22.3l but this was not hte right answer could you explain further the equation for a.

physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa before entering th...

physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa before entering th...

physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa before entering th...

physics
Air (a diatomic ideal gas) at 30.0°C and atmospheric pressure is drawn into a bicycle pump that has a cylinder with an inner diameter of 2.50 cm and length 70 cm. The down stroke adiabatically compresses the air, which reaches a gauge pressure of 800 kPa before entering th...

Psychology
difference between physiological and psychological needs. I am confussed on this question I have been studing the Maslow's Hierarchy of Needs I am assuming this so If I am getting this wrong please explain to me the difference. The Maslow theory gave 5 needs they are at th...

physics
A glass window pane has an area of 3.50 m2 and a thickness of 0.600 cm. If the temperature difference between its surfaces is 27.0°C, what is the rate of energy transfer by conduction through the window? I tried using the formula P=ka[(th-Tc)/l] my answer was thirteen but ...

Psychology
I am writing a paper and am stuck on one part can some give me an idea what i am needing. paper in which you analyze the function of emotions as motive. Be sure to address the following items on your analysis: This is the part I am stuck on Analyze at lease two research method...

science
definition amorphous solid

physics
One mole of an ideal gas does 3400 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 22.0 L. (a) Determine the initial volume in m^3. i tried using the formula w=integral f/i pdv 3400J= -(1.00atm)(.022m^3Vf-Vi) i eneded with...

physics
One mole of an ideal gas does 3400 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 22.0 L. (a) Determine the initial volume in m^3. i tried using the formula w=integral f/i pdv 3400J= -(1.00atm)(.022m^3Vf-Vi) i eneded with...

physics
A sample of ideal gas is expanded to twice its original volume of 1.00 m3 in a quasi-static process for which P = áV2, with á = 2.50 atm/m6, as shown in the figure. How much work is done by the expanding gas? i tried using the eq: w=-1/3(2.50atm/m^6)(1.013x10^5)[...

physics
Model rocket engines are sized by thrust, thrust duration, and total impulse, among other characteristics. A size C5 model rocket engine has an average thrust of 5.26 N, a fuel mass of 12.7 g, and an initial mass of 25.5 g. The duration of its burn is 1.90 s. (a) What is the a...

physics
The melting point of helium is -269.65°C, and the boiling point is -268.93°C. I have to convert these to K I get 3.5 and 4.22 When I plug these in it saYs i am within 10% of the answer I don;t no what else to put?

injuries
A fitness professional will most likely refer a student or client to a _______ to treat tight muscles that can pull bones out of alignment

physics
The mass of the Earth is 5.98x10^24 kg, and the mass of the Moon is 7.36x 10^22 kg. The distance of separation, measured between their centers, is 3.84x10^8 m. Locate the center of mass of the Earth-Moon system as measured from the center of the Earth. I tried using the formua...

chem
i am trying to find the minimum volume of hot water needed to dissolve 100 mg of salicylic acid. when i did the calculations i got 100 ml of hot water is this correct??

physics
A 68.0 kg boy and his 45.0 kg sister, both wearing roller blades face each other at rest. The girl pushes the boy hard, sending him backward with a velocity 3.70 m/s toward the west. Ignore friction. How much chemical energy is converted into mechanical energy in the girl'...

Pre Algerbra
I'm confused on this one, If n(A) = 8, then how many proper subsets are there? I came up with 255. Is this correct?

algerbra
If n(A)= 8, then how many proper subsets does A have?

business law
Six months later, the same client comes to see you again. She shows you an advice received recently from the partnership¡¦s investment banker, Selby Bank, which suggests that the partnership should engage in some risky behaviour because it will produce a large pro...

psychology
Can someone please give me an example how sense and perception and behavior are link together I am not sure if I am understanding it to good So If I am wrong please let me know. I believe they are link in how we see things is not always how are mind perceives it so when our br...

chemistry
a test liquid has a density of 1.1g/mL. when you pour some of it into a cup of water, what will happen?

physicis
if the motion of something was 120 m/s2 would it be the same value if in m/s?

?
supposee i needed to onvert 120 ms^2 to m//s how owuld i do that??

GEOMENTRY
WHAT IS THE DISTANCE BETWEEN POINTS (-5,-2)AND (6,4)

help
Estimate the power you deliver when starting to walk from a standstill, in W: & Your body radiates about 88 W in heat energy. How much energy, in J, is radiated in one hour?

physics
i was just wondering what approx is the change in PE in J when standing up from your chair and the KE when walking in J.

physics
i was just wondering what approx is the change in PE in J when standing up from your chair and the KE when walking in J.

chem urgent!!
What is the pH of the solution created by combining 12.00 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)? i need to find the ph with HCL and then with hc2h3o2. i got 1.30 as my anser but this was wrong i multipled all these...

psychology
So is it safe to say there is really no actual theory for neurological psychology. Could I state that neurological psychology is a study on how peoples nervous system affects their behavior Biopsychologists often look at how biological processes interact with emotions, cogniti...

psychology
What is neurological psychological theory? How did neurological psychological theory get established? I am doing a paperand can not find anything to explain this to me am i searching the wrong thing can some please help I need information to write this paper Thank you

grammar check
Please check and let me know which ones are wrong Thank you Tom 31.I had hoped the police would blame Bruce, not ___. _x_ me __ myself __ mineself __I 32.Some interviewers ____ have a clear sense of what they want in an employee, ask very tough questions. __ who _x_, who __ wh...

ti83 calculator question
I was wondering if there was a way to replace a certain digit on the TI83 calculator without having to clear the whole thing and start over. For example: 123345 if i wanted to insert a 6 for the two's spot how would i do this?

psychology
is the instructor meaning the way the diagnosis someone or the theories

psychology
I would like the entire class to identify the major similarities and differences that exists between the American and European traditions of psychology. Please post a response to this message that includes at least two similarities and two differences. can some explain what th...

Math
what is greater then 3,000 and what is less then 4,000

psychology
Thank you so much

psychology
What is the realm of mind and consciousness? Could some one explain to me what Realm means in this question I do not want the answer to the question just what realm means I have look at the dictionary and still have no glue what the instructor is wanting in this question Pleas...

Chemistry
The reduction potentials for the species involved in an electrochemical cell are as follows: M+ + e– => M is 0.20 V J+ + e– => J is 1.00 V. All solutions are 1.00 M and J+ J is connected to M+ M What is E*cell (in V)? * is a 0. It stands for E not

Chemistry
The reduction potentials for the species involved in an electrochemical cell are as follows: M+ + e– => M is 0.20 V J+ + e– => J is 1.00 V. All solutions are 1.00 M and J+ J is connected to M+ M What is E*cell (in V)? * is a 0. It stands for E not

psychology
am needing help I have a paper due on compare and contast Normal and abnormal Psychology My problem is I can not find no information on what is Normal psychology. I have found great information on abnormal psychology with no luck on normal psychology can some one please expla...

math (transformations)
point (-3, 8) is on the graph y=f(x) find the new point on: y = f(x - 2) -3

Physics ***HELP***
please explain how you got the answer car A - 20m/s car B - 30m/s Assume that both cars are 5m long. Suppose that car B is 20m behind car A is attempting to overtake car A. How long will it take for car B to arrive 10m ahead of car A?

Chemistry
Yea it was a typing mistake. Thanks alot I got it correct, also the website is very helpful. Thanks again

Chemistry
1MnO4– + 8H+ + 5Fe2+ => 1Mn2+ + 4H2O + 4Fe3+ This is what I got. Is it correct?

Chemistry
Balance the equation: _MnO4– + _H+ + _Fe2+ => _Mn2+ + _H2O + _Fe3+ How do you do balance this redox reaction?

Chemistry
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.550. If a trial's absorbance is measured to be 0.350 and its initial concentration of SCN– was 0.0010 M, the equilibrium concentratio...

Psychology
I am needing help I have a paper due on compare and contast Normal and abnormal Psychology My problem is I can not find no information on what is Normal psychology. I have found great information on abnormal psychology with no luck on normal psychology can some one please expl...

Psychology
you examine basic concepts of human interaction from a psychology perspective. In your examination, describe at least two examples of how human behavior changes based on social situations. In your description be sure to address the following: a.Describe the specific behaviors....

Physics
why isn't anyone helping? u just gotta copy&paste the link.. PLEASE HELP ME

Physics
question: img75.imageshack.us/my.php?image=dsc00702gn9.jpg The answer key said the answer is "C"...HOW!?!??!?!!? Please explain to me why it's 'C'

Physics
A charged object attracts a neutral object...but why do they repel afterwards?

PSYCHOLOGY
Thank you so much I would of never thought of Functionalism thanks again

PSYCHOLOGY
major schools of thought in psychology My answer to this is please tell me if I am correct or not behaviorism social cultural Psychoanalytical cognitive Am I on the right path please help I have to write a paper It says to identify the major schools of thought in psychology an...

chemisttry
Is the molecular geometry around the carbon atom(s) trans-1,2 difluroethylene a trigonal planar? I'm pretty sure it is, but I just need to varify it, if it is not a trigonal planar what is the molecular geometry around the carbon atom(s)?

chemistry
Captain Kirk, of the Starship Enterprise, has been told by his superiors that only a chemist can be trusted with the combination to the safe containing the dilithium crystals that power the ship. The combination is the pH of Solution A described below, followed by the pH of So...

chemistry
A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated solution of calomel (Hg2Cl2...

Chemistry
how do u use Solution B to solve for the Ka?

Chemistry
Captain Kirk, of the Starship Enterprise, has been told by his superiors that only a chemist can be trusted with the combination to the safe containing the dilithium crystals that power the ship. The combination is the pH of Solution A described below, followed by the pH of S...

Chemistry
Where can I find a picture of the molecular orbital diagram for OH-?

Physics
can someone explain how a "solenoid" wire works?

English **PLEASE HELP**
In Romeo and Juliet, I remember there was something with the disruption of time. Something made the timeline of the play very confusing...can some1 explain? I think it had something to do with Juliet's wedding

chemistry-confirm please
Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the combination to the safe is 3-...

chemistry-Please confirm this
I'm pretty sure that OH- has a bond order of 1. OH+ has a bond oder of 1. confirm this please.

Math
A traingle has an area 48sqaure cm and its shorter sides have lenghts 9 cm and 12cm. Find the largest angle of the triangle

chemistry
What is the bond order of OH- and OH+? I tried to solve it but couldn't so Im about to give up. Help me please.

admission policies
I am having to write a paper on when admission policies are made for schools. there no specific school it is all in general do anyone have any idea where I go and find some answers to this any help I am really lost on this.

Probability.
Sorry for posting so many topics, but I really need help on this stuff. I recently lost my work I did on a seperate sheet from 2 weeks ago, and now I can't seem to find the answer again. a fair six-sided die is tossed seven times in a row. A) What is the probability that a...

Test tomm. Need help *Urgent*
Sorry for posting so many topics, but I really need help on this stuff. I recently lost my work I did on a seperate sheet from 2 weeks ago, and now I can't seem to find the answer again. a fair six-sided die is tossed seven times in a row. A) What is the probability that a...

TEST TOMM. NEED HELP IMMEDIATELY. PROBABILITY
A fair coin is tossed ten times in a row. What is the probability that "heads" comes up at least eight times? I got an answer of 7/128, but I lost the paper with the work I showed. Can someone refresh my memory please?

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