Thursday
May 26, 2016

Posts by jimmy

Total # Posts: 559

physics
Ha Ha !!!
February 5, 2010

science
can a plant live without water air or sunlight?
December 16, 2009

physics
I'm sorry I'll stop changing names
December 13, 2009

physics
A submarine is constructed so that it can safely withstand a pressure of 1.6 x 107 Pa. How deep may this submarine descend in the ocean if the average density of seawater is 1025 kg/m3.
December 13, 2009

algebra
I'm not sure how to solve this problem, but the answer's -12 e^(x-6)=(1/e^2)^(X+6) Thanks :D
December 6, 2009

4th grade
why is .4 equal to .40
December 3, 2009

physics
A box of mass 18.8 kg is pulled to the right with a horizontal force of 9 N. If the box moves to the right with a constant velocity of 1.06 m/s, what is the frictional force acting on the box?
November 16, 2009

Math
Thanks Ms. Sue. Can anyone help with the second question.
November 9, 2009

Math
Professional Security Systems purchased 5 dozen dead-bolt lock sets from a manufacturer for $255. If the company's markup rate is 28% of the selling price, what is the selling price of each lock set? Determine the cost ratio (Retail Method) for Twilight Games and Comix ...
November 9, 2009

Physics121
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?
November 8, 2009

Physic
i am not learning acoustics...but physics..sorry for the mis-spelling...i am sorry but i dont understand your approach
November 8, 2009

Physic
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a sound from the stage reaching your ear directly and the same sound reaching your ear after reflecting from the back wall?
November 8, 2009

algebra 2
5X + 7(5X-14)=-18 5X + 35X-98=-18 40X-98=-18 40X=80 X=2 y=-4 You can check these answers by plugging into the original equations
November 8, 2009

Physic
A fan at a rock concert is 30 m from the edge of the stage. The sound intensity level at the edge of the stage is 110 dB. The fan's eardrums have a diameter of 8.4mm. How much energy is transferred to each eardrum in one second? (Hint: It may help to asume that the speaker...
November 7, 2009

Physics
I didnt quite follow ...
November 7, 2009

spanish
Could also be: Que vas a hacer despues del colegio or que haces despues de la escuela. and como escuela va hasta el momento
October 30, 2009

chemistry.
Which hydrocarbon pair below have identical mass percentage of C? A: C3H4 and C3H6 B: C2H4 and C3H4 C: C2H4 and C4H2 D: C2H4 and C3H6 E: None of the above My answer is E...Can any one help me?
September 27, 2009

chemistry.
The molecular of aspartame, the generic name of Nutrasweet, is C14H18O5. The molar mass of aspartame is?
September 25, 2009

7h grade Math
45 lbs
September 23, 2009

English
Taking a computer home to complete a work-related assignment. Is it ethical or unethical? When an individual takes a job they ensure their employer that they will work their very best, and distribute quality work. By any means the worker is required that they get the assigned ...
September 12, 2009

English
In my own perspective I believe that deemphasizing negative test results on a product is a very unethical choice. Negative results have an endless limit of problems that can occur. For example, you could put your entire company in jeopardy if you were to hide the negative ...
September 12, 2009

English
Why deemphasizing negative test results in a report on your product idea is unethical practice?
September 12, 2009

organic chemistry
Some biphenyl (C6H5-C6H5) is produced as a by-product in the synthesis of benzoic acid. Where does it come from? This question has to deal with the Grignard reaction. Can anyone help me with this please?
May 27, 2009

Chemistry
Two moles of pure ammonia were injected into a 2.00L flask at a certain temperature. The equilibrium mixture: 2NH3(G)-->N2(G) + 3H2(G) <-- A) What is the value of the equilibrium constant at this temperature? b) how would the number of moles of ammonia be affected if the...
May 17, 2009

Physics
An ice cube of mass M is placed at rest in on a circular track of radius R, as shown at right. The position of the ice cube along the track follows that of a circle, given by: x^2 + (R – y)^2 = R^2 . A)With respect to the bottom of the track, calculate the potential ...
May 1, 2009

English
Can someone explain me how to write an essay?
April 4, 2009

Chemistry
Which element has the following electron configuration: [Xe] 6s^(2) 5d^(1) 4f^(1)
March 16, 2009

Chemistry
Which electron is, on average, further from the nucleus: an electron in a 3p orbital or an electron in a 4p orbital?
March 16, 2009

Chemistry
According to the quantum-mechanical model for the hydrogen atom, which of the following electron transitions would produce light with the longer wavelength: 2p --> 1s or 3p --> 1s I have the answer, which is 2p --> 1s, but can someone offer some help as to how this is...
March 16, 2009

business math
The Kansas City Star on February 16, 2007 reported on the lowering prices of natural gas. With lower natural gas prices and unseasonably warm weather early this winter the forecast is that gas-heating customers will pay $950 as compared to $1,339 last year. At Kansas Gas ...
March 8, 2009

chemistry
thank you DrBob222!!!
March 5, 2009

chemistry
what [I-]should be maintained in KI(aq) to produce a solubility of 1.3*10^-5 mol PbI2/L when PbI2 is added?
March 5, 2009

U.S History
Thanks, you helped me out a lot :)
February 26, 2009

U.S History
Which factor, self-interest or idealism, was more important in driving American foreign policy in the years 1895-1920? Thanks for the info :)
February 26, 2009

MATH
What is the area of the region bounded by the lines x=1 and y=0 and the curve y= x(e^x^2)? A. 1-e units squared B. e-1 units squared C. (e-1)/2 units squared D. (1-e)/2 units squared or E. e/2 units squared if you can show me how to get that please
February 23, 2009

Geography
Which islands on the equator are in the indian ocean?
January 29, 2009

Physics
Problem 1 (5 Points) In the first application of interferometric methods in radio astronomy, Australian astronomers observed the interference between a radio wave arriving at their antenna directly from the Sun and on a path involving reflection from the surface of the sea. ...
January 26, 2009

need creative picture
-A picture symbolizing somebody who worries a lot.. I was thinking of a scope like a sniper rifle -A picture symbolizing somebody who helps somebody find their identity -A picture symbolizing somebody who blames themself for another's death
January 25, 2009

accounts
by giving me the answer
November 25, 2008

accounts
Stuck Stucky purchased a new truck on July 1, 2005 at a cost of $20,000. The truck had a life of 7 years and salvage of $6,000.00. Using the straight-line method, record the following:- 1. The purchase on July 1, 2005 2. The Depreciation for 2005 3. What is the book value of ...
November 25, 2008

accounts
1. On January 1, 2004 PEN PENNY received a Utility Bill from BEC for $10,000, the bill was due on February 28, 2004. (a) Show the entries on January 1, 2004 and February 28, 2004. 2. On March 1, 2004 PEN PENNY company borrowed $400,000 from the Royal Bank of Canada and issued ...
November 25, 2008

accounts
Analyze the transactions and do the following:- 1. Post to T Accounts 2. Prepare a Chart of Account 3. Record in the General Journal 4. Post to the General Ledger 5. Prepare a Trial Balance 6. Prepare a Six Column Worksheet 7. Prepare an Income Statement 8. Prepare a Capital ...
November 25, 2008

English
how do you paraphrase
November 24, 2008

Physics
A long uniform rod of length 6.66 m and mass 6.74 kg is pivoted about a horizontal, frictionless pin through one end. The rod is released from rest in a vertical position as in the figure. Question 1: At the instant the rod is horizontal, find its angular speed. The ...
October 31, 2008

5th grade
125/27 in simplest form
October 27, 2008

Physics
i think b is correct.. but what makes "a" incorrect?
October 13, 2008

Chemistry
A) Find [Zn^2+] and [Fe(CN)6 ^4-] in saturated solution of Zn2Fe(CN)6. B) Repeat the above question in 0.1 mM ZnSO4 saturated with Zn2Fe(CN)6.
October 4, 2008

Chemistry
How much energy (heat) is required to convert 248 g of water from 0oC to 154oC? Assume that the water begins as a liquid, that the specific heat of water is 4.184 J/g.oC over the entire liquid range, that the specific heat of steam is 1.99 J/g.oC, and the heat of vaporization ...
September 16, 2008

chemistry
The aspirin content in the analgesic tablets is determined from 120 samples to have a ean of 250 mg with a standard deviation of 5 mg. from a production line, what percentage of the tablets are expected to contain between 243 and 262 mg of aspirin?What is the 95 % confidence ...
September 13, 2008

chemistry
The aspirin content in the analgesic tablets is determined from 120 samples to have a ean of 250 mg with a standard deviation of 5 mg. from a production line, what percentage of the tablets are expected to contain between 243 and 262 mg of aspirin?What is the 95 % confidence ...
September 13, 2008

English 92
analogy for the word hypothermic
September 8, 2008

Chemistry
How do we add,subtract,multiply or divide the uncertainities of two values? For example 28.0 +- 0.5 and 0.899 +- 0.003 Actually i have to solve this question [log{sq.rt. of (0.104 +- 0.006)}/ (.0511 +- 0.0009)]? Hope u get the question in what manner its written.
September 5, 2008

engineering
45 MN/900Gg
September 3, 2008

12th grade
bob i need help paraphrasing
September 2, 2008

Chemistry
The amount of oxalic acid in a sample was determined by the reaction: 2Fe3+ + H2C2O4 + 2H2O----> 2Fe2+ + 2CO2 + 2H3O+. In an analysis, 10.62g of sample required 36.44 ml of 0.013 M Fe3+. Calculate the %w of oxalic acid in the sample.
September 1, 2008

Chemistry
A 35ml 0.1M AgCl solution is mixed with 15ml 0.25M MgCl2 solution. Calculate the moles and molarities of the Ag+, NO3-,Mg2+, and Cl- ions in the solution mixture.
September 1, 2008

Science
Humidity is the amount of water vapor in the air at a given time. At warm temperatures, air can hold more moisture than it can at cold temperatures. Relative humidity is the amount of vapor the air is holding expressed as a percentage of the amount the air is capable of ...
July 18, 2008

Anthropology
Ms.Sue, tell me what you think of this. The Chipameza gender and sex thoughts of maleness and femaleness are way they choose to inhabit their own lives. According to society today, gender is looked at with diverse and their belief of privileges and mistaken. The Chipameza ...
July 2, 2008

Anthropology
Ms.Sue, tell me what you think of this. The Chipameza gender and sex thoughts of maleness and femaleness are way they choose to inhabit their own lives. According to society today, gender is looked at with diverse and their belief of privileges and mistaken. The Chipameza ...
July 2, 2008

Social Studies
George Washington
May 28, 2008

Electrochemistry
aa aer you all bad at chem mannn
May 16, 2008

Physics
A 10kg block is attached to a massless cord that doesn't stretch or sag which is rapped around a disc like wheel, m=5Kg, I= (1/2)mR^2. If the block is allowed to drop straight down held back only by the rotation of the wheel: 1. What is the tension of the rope? 2. What is ...
May 11, 2008

Health
I need help on a report on Muscular System!!!!!!!!!!!!!!! P/
April 21, 2008

Maths
Thank you i kept getting the +6 as a negative time for a break i think
April 10, 2008

Maths
can someone please help i think i have the solution but i keep confusing myself with negative - negative (maybe i've been staring at it to much 2(3x - 1) - 3(x - 2) = 4x
April 10, 2008

social studies
mischa
April 1, 2008

math
i dont understand your posting
March 31, 2008

Algebra
thats just what i said in my post....you didnt have to repeat my answer
March 29, 2008

Algebra
you have to convert it and multiply it... -3/4 times 10/1=-15/2 or -7.5
March 29, 2008

Math
Graph the function x if -2<=x<=3 I know x would be x|-2|-1|0|1|2| But I do not understand how to find y. Can someone tell me how to find the y's?
March 29, 2008

Physics
two lenses,one converging with focal length 20.0 cm and one diverging with focal length -10.0 cm , are placed 25.0 cm apart. An object is placed 60.0 cm in front of the converging lens. Determine A) The position and B) the magnification of the final image formed.C)Sketch a ray...
March 25, 2008

Physics.
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. A) what type of mirror is it? B)Describe the type of image that it makes of your face . C) Calculate the required radius of curvature for the mirror.
March 25, 2008

English Grammar
Need HELP!!!!!? I need help Grammar correction please!!! Shakespeare in Love 1) What are the main themes of the film? The filmmaker’s message is not clear until we see what happens to the protagonist. The Main themes of the film are love, overcoming obstacles and doing ...
March 25, 2008

Science
seismograph
March 24, 2008

11th Grade A&P
yes
March 24, 2008

English
I posted this before, I need someone to check my grammar please. Shakespeare in Love 1) What are the main themes of the film? The filmmaker’s message is not clear until we see what happens to the protagonist. The Main themes of the film are love, overcoming obstacles and ...
March 24, 2008

geometry
the formula is C=pie times diameter so to find the diameter it would be... 2368=3.14 times d 2368=3.14d 3.14d=2368 2368/3.14= 754 is the diameter diameter is twice the size of the radius...so the radius would be half of 754...377 is the radius
March 24, 2008

English
Grammar Correction, Please? Shakespeare in Love 1) What are the main themes of the film? The filmmaker’s message is not clear until we see what happens to the protagonist. The Main themes of the film are love, overcoming obstacles and doing what you believe is the right ...
March 24, 2008

English
yes
March 24, 2008

English
rock hound
March 24, 2008

precalculus applications
How do I find the equation of a sinusoidal curve from just knowing the lowest point and highest point of it? For example: A weight attached to the end of a long spring is bouncing up and down. If we do not worry about friction, its distance from the floor varies sinusoidally ...
March 21, 2008

maths
multiply 5500 and 6300 by .065, then multiply 3400 by .04 finally add them together and that is your answer
March 21, 2008

Anatomy and Physiology
That is correct.
March 21, 2008

math
simplify the following 7pq ---- 14p(to the power2)q(to the power -2) also (5ab)All to the power -2 x 15a (to the power 2) x b (to the power 3)
March 16, 2008

Math
200lbs - 175lbs = 25lbs so keith needs to lose 25lbs or more to reach his target weight of 175lbs so 25 divided by 2 (Lbs loss a week) = 12.5 therefore 12.5 weeks will reach his target of 175lbs or 13 weeks to reach 174lbs (which is less, where he wanted to be)
March 16, 2008

math
what are the first three multiples of 9...is it 9, 18, and 27...or is it 18,27,36
March 13, 2008

math`
thank you very much...thats what i thought just wanted to make sure>>>thanks
March 13, 2008

math`
ok?
March 13, 2008

math`
how many edges does a cube have
March 13, 2008

algebra 2
so the answer would be 5^1/2....is that right???
March 11, 2008

algebra 2
i dont know how to write it....its square root of 5 with the 4 on the left side times the square root of 5 with the 4 on the left side
March 11, 2008

algebra 2
im studying radicals and im having trouble....i need help on this one....i really dont know how to write but here it goes... the nth root is 4square root of 5 times the nth root is 4 square root of 5...i need to simplify the expression
March 11, 2008

Science
it is zinc ions to the copper
March 11, 2008

algebra
NEVER MIND I KNOW....GUESS NOONE WAS GOING TO HELP ...
February 27, 2008

algebra
could you please tell me if this is a polynomial function.... x^2 square root of 2 +x-5
February 27, 2008

algebra
i need help on these three..thank you...find the real number solutions of the equation..-2v^6=16 2h^5-12=-16h 3q^4+3q^3=6q^2+6q
February 25, 2008

History
why is Marthin Luther King importantin american histoy..and what inpact did it have on african americans
February 24, 2008

algebra
find the real number solutions of the equation. w^4+w^3-w=1 could you please show step by step..thank you
February 24, 2008

math
15% of 20
February 19, 2008

Accounting
Burrand Company estimates that annual manufacturing overhead costs will be $600,000. Estimated annual operating activity bases are: direct labor cost $500,000, direct labor hours 50,000, and machine hours 100,000. Compute the predetermined overhead rate for each activity base...
February 7, 2008

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