February 7, 2016

Posts by paul

Total # Posts: 883

Engineers and physicists are fond of using the approximation Square root (1+x) = 1+(x/2)? What approximation do you suppose the engineers and physicists would use for the quantity (1+x)^(3/2)
November 7, 2008

November 5, 2008

french - reflexive verbs
thanks so much but is there a possible situation where both passe compose with avoir and passe compose of a reflexive verb in the same sentence?
November 2, 2008

french - reflexive verbs
what i meant was what if the sentence has an avoir past tense and a reflexive past tense? then would the sentence end up with suis and ai? and what is the order of the suis and ai? regarding je
November 2, 2008

french - reflexive verbs
the word order for past tense is je ne me le lui y en ai pas donné but when you're using reflexive verbs for past tense its "je me suis" does the suis incorporate into the word order?
November 2, 2008

October 31, 2008

trying to work out the angular size of Saturn I know the equation is 57degrees times (actual size divide distance) = Angular size so I have the following: 57deg times (120535 div 1195772020) = 0.005745.... it goes on a fair way. 0.005745 degrees... is this correct?
October 22, 2008

financial accounting
Which of the following supports the accrual basis of accounting? revenue recognition concept, cash concept, mathcing concept, or revenue recognition and matching concepts?
September 21, 2008

financial accounting
unexpired insurance at the end of the fiscal period represents; an accrued asset, an accrued liability, an accrued expense, or a deferred expense?
September 21, 2008

financial accounding
unexpired insurance at the end of the fiscal period represents; an accrued asset, an accrued liability, an accrued expense, or a deferred expense?
September 21, 2008

whats property-commutative associative
September 18, 2008

Life science
What are the twelve steps in the scientific method?
September 14, 2008

5th grade
how do you do a paragraph paw
September 11, 2008

What measurements do sociologist use to calculate prejudice?
May 24, 2008

why ortho nitrophenol are more volatile than para nitrophenol
May 14, 2008

factor this polynomial function completely f(x)=12x^4+10x^3-214x^2+198x+90 I found all the possible rational zeros but just cant seem to factor it all
May 8, 2008

On a day when the speed of sound is 354 m/s, a 2000 Hz sound wave impinged on two slits 30 cm apart. At what angle is the first max located? I just am not sure what equation to use. any help is lost
April 30, 2008

How does the precision of a calculated answer compare to the precision of the measurements used to obtain it?
April 27, 2008

The atomic masses of elements are generally not whole numbers. Explain why.
April 27, 2008

Does the sequence converge or diverge? 2n+(-1)^n5/ 4n-(-1)^n3 I know I need to find the limit..but i dont know how to do this
April 21, 2008

Find a formula for 1/2, -1/4, 1/6, -1/8, 1/10... So I know that the sequence is just adding 2 to the bottom but i dont know how to write it with a formula including n' stuck
April 21, 2008

Where did you get the 61.49 from?
April 17, 2008

i`m in year 7 and i need to write a newspaper report either from the catholic view or prodestant view about when hugh latimer and nicholas ridley bishops in 1555 were killed. no idea where to start.
April 13, 2008

Brain Teaser
Could it be 80% below the ice (like an iceberg)
March 19, 2008

Geography AS level
what issues have risen in the uk when managing floods? please could somebody help me!? thanks
March 18, 2008

Geography AS level
how would the impacts of a flood differ from an MEDC to an LEDC? please could someone help me!? thanks
March 10, 2008

what force is necessary to accelerate a 70kg object at rate of 4.2 m/s2
March 8, 2008

What force is necesary to accelerate a 70kg object at rate of 4.2m/s2
March 7, 2008

Problem Solving
Carl is trying to find a combination. It's written in a riddle. Find 2/3 of the final number, add 16, and this number will equal two times the mystery number. What was the final number of the combination?
February 21, 2008

explain way in which urban landscapes can modify city climates. please could someone help me with this question? thanks
February 19, 2008

arguments for and against competing in a mass market. please could somebody give me some pointers?
January 7, 2008

December 28, 2007

i need help understanding sequences and i been trying to find a problom on my homework can you help me
December 9, 2007

Thank You.
December 8, 2007

Where can I find a website to answer this question: What is a current issue between Native Americans and the federal government? Identify the legislation that you think is linked to the issue.
December 8, 2007

Can anyone tell me a website to find the verbal & nonverbal communication stlyes of Egypt & Italy? I have googled, asked can't find a thing. Help!! Any info. is appreciated.
December 5, 2007

Using numbers,words or symbols,write a rule that could be used to find the total cost of any number of museum tickets. You may use n to represent the number of museum tickets bought.
December 3, 2007

business studies
what possible benefits would a car manufacturer have if they decide to use mass marketing? please could someone help me Paul
November 27, 2007

plant biology
How are different flowering times related to plant survival?
November 18, 2007

Math - Trig - Double Angles
verify identity cos 2A sec A = 2cos A - sec A
November 17, 2007

pre-cal: one-to-one property
November 10, 2007

The next palindromic number would be 16061 so subtract 15951 from that then divide by the 2 hours 16061-15951=110 110/2X X=55
November 6, 2007

-5y-9=-(y-1) I combined like terms and I divided -8/-4. I got 2. Is this right?
November 1, 2007

Show the side reactions and products that can occur when 1-butanol is treated with NaBr and H2SO4. R-OH (yields:NaBr and H2SO4) 1-bromobutane + water + sodium bisulfate This question was posted before, but I have the same question and seriously need help!!!
October 31, 2007

What word fits better in the following sentence: To the __________ of many taxpayers, some citizens seem to cheat the government with impunity. A)perfunctory B)preverse
October 26, 2007

I do not know
October 25, 2007

please could somebody give me any real life examples of comapanys that lease assets... thank you!
October 15, 2007

Thanks bob! Thats what I ended up working out and it turned out to be the right answer :)
September 27, 2007

I'm doing statistics homework and am stuck on a problem using integration. The problem gives a distribution where for x>1, f(x) = k x^-6. I am then asked to "Determine the value of k for which f(x) is a legitimate pdf. " To be a legitimate pdf, the integral of...
September 27, 2007

venn diagrams
Set up your diagram with 3 circles, S, G, A, for each subject. The middle should have a small space that includes part of all 3 circles. Start from this spot and move outward. This very middle spot represents the students who are in all 3 subjects. As given in the problem, ...
September 27, 2007

What about this one? Harry Truman, a southern democrat, is known for creating The Truman Doctrine and NATO. What is the correct capitalization?
September 3, 2007

What is the correct capitalization in this sentence? Truman became President when F.D.R. died.
September 3, 2007

I'm having trouble with this problem: Guess a simple formula for the sequence that begins: -1, 1/2, -1/3, 1/4, -1/5 term(n) = (-1)^n x 1/n will do it
August 13, 2007

Write the ratio of 7 nickels to 2 quartes in simplest form (7x5)/(25x2) = 35/50 = ?
August 3, 2007

How do I predict how long will it take for lava to reach the town, which is 10km from the lava vent, if I know that after 2 days lava was 5 km far from the vent. Thank you Lava traveled 5 km in 2 days. How long will it take for lava to travel 10 km? But what about speed? If ...
May 26, 2007

How can I determine a value of gradient from a graph if the line is curved. (not a straight line) This is where Calculus comes in If a graph is a curve, then the gradient (slope) of the curve is the slope of the tangent that you draw at a particular point on that curve. You ...
May 22, 2007

Oakwood Elementary
How many cups make one litre? It depends on the country. I cup is usually taken to be 250 ml in Australia, Sweden and New Zealand. In Canada it is 227 ml. The US cup it is 237 ml.
April 12, 2007

(i) Met, Ser, Leu ------------------------------------------------------------- (ii) Ile, Ser, Phe ------------------ I have calculated the above polypeptides, can anyone explain why changing (i) to (ii) may change the function of the new protein?
April 8, 2007

A non-uniform beam of length L and weight w makes an angle of è with the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of farther down the beam and perpendicular to it. The center of gravity of the beam is a ...
April 3, 2007

Chemistry Very Urgent!!
A 0.035 M solution of a weak acid (HA) has a pH of 4.88. What is the Ka of the acid? HA ==>H^+ + A^- Ka = (H^+)(A^-)/(HA) pH = -log(H^+) You know pH. Convert that to (H^+). (H^+)=(A^-) so plug those into the expression for Ka. (HA) = 0.035 M - (H^+). Plug that in. Calculate...
April 2, 2007

0.50 M HI with 0.10 M KOH pH at equivalence point? I had another problem like this and I tried to do it the same way b/c I thought that was the right thing to do but it seems as if its not? Can you help? HI + KOH ==> KI + H2O. At the equivalence point we will have KI (the ...
April 2, 2007

are these already balanced? CuSO4 + Zn ---> CuZn + SO4 AgNO3 + NaCl ---> AgCl + NaNO3 AgNO3 + NaCl ---> AgCl + NaNO3 CuSO4 + Zn ---> Cu + ZnSO4 is the correct equation I know how to balance equations but im not sure about these Yes, they are balanced. But you ...
March 20, 2007

State the type of reaction. Predict the products of the reactions. I have no clue how to do this any help? C3H8 + O2 ---> Mg + HCl ---> AgNO3 + NaCl ---> CuSO4 + Zn ---> How much of this do you know how to do? Just checking answers. Give us your answers and we ...
March 20, 2007

Two Congruent angles are supplementary. The measure of each angle is? If A+ A= 180, then... 90
February 23, 2007

rf value of lycopene
Is the the rf value of lycopene and with what solvent can you use as a mobile phase on a TLC? I don't know the answer here but I looked on the Internet and found something that may get you started. I found the Rf value for lycopene to be between 0.4 and 0.6 and the best ...
February 19, 2007

how do I solve 4/3x3.14x3.7cubed= You need to use parentheses and explain what the . stands for. And is x what you are solving for or is that a times sign?
January 21, 2007

Need help with these conversions please 0.08206 Latm/molxK to cal/molxK ? 0.08206 Latm/molxK to J/molxK ? I will be happy to critique your work. You have the conversion coefficents. 0.08206 X 101.3 = 8.31 cal per molK 0.08206 x 4.184 = .343 J per molK
January 21, 2007

Need help with these conversions please 0.08206 Lxatm/molxK to cal/molxK ? 0.08206 Lxatm/molxK to J/molxK ? Thanks. 1 liter*atm= 101.3 joules = 101.3/4.18 calories
January 21, 2007

2x^3+3x^2-5x-6=0 Factor out x+1
December 19, 2006

I confirm your answer :)
December 6, 2006

i need to define bandwagon,glittering generality, image advertising, name calling, etc and this web site but i dont know were to look for There are many websites you can try. Be sure to try more than one website for each term.
November 25, 2006

Express 10sin(ƒÖ.t+ƒÎ€4) in the form AsinƒÖ.t + BcosƒÖ.t Your symbols are illegible, with things like Euros and capital O-umlauts. Can you possible retype with different symbols?
November 24, 2006

Science 4
November 21, 2006

Need help! French Exam tomorrow!
November 8, 2006

Suppose Intel Inc. and other chip makers utilize a new techology for producing the flash memory chips used in digital music players. How would you Illustrate and Explaine the resulting effects on the Equilibrium price and quantity in the flash chip market and the digital ...
October 30, 2006

Protein denaturations are usually irreversible but may be reversible under a narrow range of conditions. At pH 2.0, at temperatures ranging from about 40o C to 50o C, there is an equilibrium between the active form P and the deactivated form D of the enzyme trypsin: P ¡&...
October 18, 2006

Simplify: -4a(power of 2)b x 2a(power of 3) x -3b
October 15, 2006

conversion science
convert .621 hl to liters .013 dl to liters .00078 mg to kg 2.45 g to cg 1.9 km to cm .0476 mm to dam 6.4 ul to nl need conversion and scientific notation before I can proceed from there to the lesson. This was part of an intro that I missed due to illness. Thanks. so ...
October 1, 2006

list lenses in light path between spcimen viewed with compound light microscope and its image on the retina of the eye gives the lenses and other parts. The image formed is a virtual image outside the eye. http://...
September 19, 2006

What are some measurements sociologist use to calculate prejudice?
July 20, 2006

Suppose it became lawful for anyone to issue money without any government restrictions of any kind. What factors would influence an individual to either accept or reject privately issued money? What institutions might arise in the free market to help a person decide whether to...
July 16, 2006

When the economy is at full employment, should the federal government run a budget deficit, surplus . Or neither? Explain. Remember WWII? The US was at full employment then...but the expenditures great. I am not and economics person, but the above example might lend one to ...
July 16, 2006

Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for 1st compound) X2F2 (...
July 25, 2005

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