Wednesday

April 23, 2014

April 23, 2014

Number of results: 116,108

**Logic**

Can someone please help me solve these problems? I have to use the 17 rules of inference to prove the arguments valid: 1) 1. T = R 2. (~R > ~T) > (P . ~S) / ~S v T 2) 1. C > F 2. A > B 3. ~F . A 4. ~C > (B > D) / B . D 3) 1. (S v Q) / ~P > ~S 4) 1. D > ...
*Tuesday, August 16, 2011 at 1:52pm by Brayden*

**Geometry**

Given circle A with circumference 20 pi and the length of arc KD equal to 10/3 pi. Find the area of the shaded region. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Is there any ...
*Sunday, March 6, 2011 at 4:55pm by Gemma*

**FRENCH**

The 22 French regions Alsace >> Aquitaine >> Auvergne >> Bourgogne >> Bretagne >> Centre Val de Loire >> Champagne - Ardenne >> Corse >> Franche-Comtι >> Ile de France >> Languedoc - Roussillon >> Limousin >&...
*Monday, May 9, 2011 at 8:27pm by Frenchy*

**Economics**

I am on the chapter for International Trade in the book. I neew to calculate the producer surplus after a trade and I am not sure if I am doing it right. Graph: Price of Pencil Sharpeners $16__________________________World Price >>>>>>>|>>>>>...
*Saturday, May 10, 2008 at 10:16am by G*

**Sabian **

If air resistance offered to the motion of a projectile by the surrounding air is taken in account i,is time of flight increase or decrease?why? ii,hmax >> >> >> iii,the range >> >> >> iv,the striking angle >> >> >>
*Tuesday, January 8, 2013 at 1:20am by Tsedeke*

**math**

Solve this : (8x^3 ) - (168x^2) + ( 864x) = 1120 please >>>>>>>>>> I need it >>> please
*Monday, January 21, 2008 at 2:14pm by Robert*

**Math**

help please anyone? i'm having a hard time solvig these problems LOGIC CONDITIONAL PROOF. HOMEWORK HELP PLEASE!? A. 1. A -> (B -> C) 2. (C ^ D) -> E 3. -F ->(D ^ -E) / :. A -> (B -> F) B. 1. (A v B) -> -(C ^ D) 2. (-C v -D) -> (E <-> F) 3. (E <...
*Thursday, January 17, 2013 at 1:56am by Moses*

**Math**

Actually, you need to sort on the length first, then on all the digits in order, so to expand the example a bit, (923>921>919>913 > 762 > 421>413>409) > (91>90 > 63>61 > 12>10) > (9 > 3)
*Wednesday, May 8, 2013 at 2:35pm by Steve*

**Pre-Cal.**

Describe the end behavior of f(x)=2x^4-5x+1: A. x-->, f(x)-->; x-->-, f(x)-->- B. x-->, f(x)-->; x-->-, f(x)--> C. x-->, f(x)-->-; x-->-, f(x)--> D. x-->, f(x)-->-; x-->-, f(x)-->-
*Tuesday, March 17, 2009 at 2:35pm by Mia*

**Please help**

Jan >> 31 - 13 = 18 Feb >> 28 Mar >> 31 Apr >> 30 May >> 31 June >> 16 Add the days.
*Thursday, June 16, 2011 at 5:54pm by Ms. Sue*

**Com 155 **

A few examples: Adjectives: great >> modifies movie >> WHAT KIND OF last >> modifies weekend >> WHICH two >> modifies actors >> HOW MANY Adverbs: much >> modifies adj. better >> TO WHAT EXTENT very >> modifies adj. intense...
*Saturday, August 6, 2011 at 4:39pm by Ms. Sue*

**statistics**

I don't follow this at all: <(X - m + m - <X>)^2> = <(X-m)^2> + <(m - <X>)^2> + 2 <X-m><m-<X>> Trying to follow your logic, for the left side: <(X - m + m - <X>)^2> = <(X - <X>)^2> = <x^2> - <x>...
*Wednesday, August 29, 2007 at 12:15pm by statstudent*

**Economics**

I have the following question in my assignment: The cost of producing stero systems has fallen over the past several decades. A:Use the supply-and-demand diagram to show the effects of fallaing production costs on the price and quantity of steros sold. B:In you diagram, show ...
*Tuesday, March 11, 2008 at 11:04am by G*

**math**

3 >> 9 4 >> 16 __>> 25 6 >> ___ 10 >> 100 The outputs sure look like squares of the inputs.
*Wednesday, May 22, 2013 at 10:18pm by Ms. Sue*

**English**

I >> pronoun went >> verb to >> preposition New York >> noun yesterday >> adverb
*Wednesday, August 7, 2013 at 2:08pm by Ms. Sue*

**BAA App. Essay Help! (please read!)**

My favorites activities >> favorite a club when we help the people, >> in which we help One my ideas is to help the >> was We come with an idea >>came up with an idea celebrate their thanksgiving >> Thanksgiving at my school donated we decorate &...
*Wednesday, December 5, 2012 at 9:03pm by Ms. Sue*

**Philosophy (Logic)**

I need help constructing a formal proof of validity for the following: 1. B<->(LD), ~D, so ~B 2. R v (S~T), (R v S) -> (U v ~T), so T->U 3. A -> ([E~G) ->M], ~ (~E v G) -> (M -> F), so A -> [~ (~G -> ~E) ->F
*Thursday, May 10, 2007 at 11:41pm by Abby*

**logic**

I need help proving these arguments using rules of inference, please. (S>B) > (SvK) (Kv~D) ~ (H>S) ~S.W / ~H ~A > (B>~C) ~D > (~C >A) D v ~A ~D
*Wednesday, May 18, 2011 at 3:42pm by Elaine*

**PHYSICS**

The masses and coordinates of four particles are as follows: 40 g, x = -4.0 cm, y = 5.0 cm; 30 g, x = 5, y = 0.0 cm; 40 g, x = 5.0 cm, y = 3.0 cm; 20 g, x = 3.0 cm, y = 2.0 cm. What are the rotational inertias of this collection about the (a) x, (b) y, and (c) z axes? >>...
*Thursday, March 22, 2007 at 5:15pm by wolfpak*

**Abstract Algebra**

If 2^n>n^2 and n>5, then 2^n+1>(n+1)^2 Proof: Assuming that 2^n>n^2 then I can say that 2*2^2>2*n^2 = 2^n+1>2n^2 If I can show that 2n^2>(n+1)^2 then I will be done by transitivity. So 2n^2>(n+1)^2? then 2n^2>n^2+2n+1? then n^2>2n+1, hence n^2-2n-...
*Friday, September 21, 2007 at 2:00pm by Dina*

**4th grade**

Convert letters to numbers, A=1, B=2, C=3,... ABCDE FGHIJ KLMNO PORST UVWXY Z C -> F; D -> H; G -> N; H .? ; I -> R 3 -> 6; 4 -> 8; 7 ->14; 8-> 16 ; 9 -> 18 So it's lette P
*Tuesday, June 30, 2009 at 9:53pm by MathMate*

**math**

NOW Go back and check the answer. Here is your problem statement: 1>2h+3>-1 and I said the solution was: -2 < h < -1 So try h = -2 then 1 > 2*-2 +3 > -1 ???? 1 > -4+3 > -1 ??? 1 > -1 >-1 yes, as expected right on the border Now try h =-1 ,that ...
*Thursday, December 27, 2007 at 3:56pm by Damon*

**Logic**

If we let a = she studies for the exam b = she goes to the market c = she cleans her room d = she practices her sport I) a -> b II) ~c -> a III) ~d -> ~b A) ~b -> ~d B) a -> d (yes - transitivity) C) ~b -> d D) c -> b B is true because the contrapositive ...
*Friday, January 3, 2014 at 8:05pm by Steve*

**Physics**

Zero, a hypothetical planet, has a mass of 1.0 1023 kg, a radius of 3.0 106 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial kinetic energy of 5.0 107 J, what will be its kinetic energy when ...
*Friday, March 9, 2007 at 10:46pm by Technoboi11*

**Re: Physics/Math**

A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? For Further Reading * Physics/Math - ...
*Friday, March 2, 2007 at 12:18am by Technoboi11*

**chemistry**

please assist me with this themochemistry question Given the following data CaCO3 (s)>>>>>>CaO (s) + CO2(g) (g) Delta H = -178.1 kj C (s) + O2>>>>>>CO2 (g) Delta H = -393.5 kj Calculate enthalpy in kj of the following reaction CaCO3 (s)>&...
*Tuesday, October 27, 2009 at 2:34pm by Yevette*

**waste water treatment**

1.Screen>>coarse material 2. Grit chamber>>sand 3.Primary Sedimentation >>Suspended solid & settle able part of BOD 4.Anaerobic tank >>Hydrolysis of Xs & uptake of Ss 5.Anoxic tank >>Denitrification 6.Aerobic tank >>Nitrification 7.Final ...
*Wednesday, November 20, 2013 at 2:59am by ham*

**chemistry**

Given the equilibrium constant values: N2 + 1/2O2 >>> N2O ; kc = 2.7 * 10^-18 N2O4>>>>2NO2 kc=4.6*10^-3 1/2N2 + O2>>>NO2 kc = 4.1 * 10^-9 What is a value of Kc for this reaction? 2N2O + 3O2 >>> 2N2O4
*Wednesday, March 10, 2010 at 3:48am by abe*

**Quantum Physics**

Suppose H|ψ> = 1/√2 (|000> + |111>). What is |ψ> ? Specify the probability amplitude for each component: |000> = |001> = |010> = |011> = |100> = |101> = |110> = |111> =
*Sunday, March 3, 2013 at 6:07pm by qwerty*

**Quantum Computing**

Suppose H|ψ> = 1/√2 (|000> + |111>). What is |ψ> ? Specify the probability amplitude for each component: |000> = |001> = |010> = |011> = |100> = |101> = |110> = |111> =
*Wednesday, September 4, 2013 at 12:59pm by Ravi*

**math- check this please**

1. 3t<-9=t<-3 2.4m>8=m>2 3.10<-2w 5<w 4.-20>-5c 4>c 5.-27>3z -9>z 6.-7b>42 b>6
*Monday, November 19, 2007 at 6:09pm by james*

**Quantum Mechanics**

I'm going to assuming that: |+> = 1/sqrt(2) [|0> + |1>] |-> = 1/sqrt(2) [|0> - |1>] Then there is a unitary operator U that relates output to input as: |output> = U|input> You can then calculate the output without having to expand everything in one ...
*Thursday, September 12, 2013 at 11:17am by Count Iblis*

**College**

They further goes on >> go that it consist of >> consists important skills in which will >> omit "in" the adolescent can act out their feelings >> his or her -- not "their" When the adolescent have brought >> has, not have What corrections do you ...
*Sunday, June 12, 2011 at 10:33pm by Ms. Sue*

**social**

DrWLS is absolutely right! :-) Each group of early people made different and very important contributions to early civilizations. For instance: writing >> Mesopotamia paper >> Egypt and China wheel >> Mesopotamia written, uniform laws >> Mesopotamia ...
*Friday, January 16, 2009 at 8:33pm by Ms. Sue*

**Math - Pre algebra**

Help!!! 1. which of the following is greater than 4.3 x 10>9? a 2.1 x 10>9 b 3.2 x 10>9 c 5.3x 10>9 d 7.4 x 10>8 2. which of the following is less than 6.5 x 10>-5? a 1.4 x 10>-3 b 2.5 x 10-4 c 7.8 x 10-5 d 4.6 x 10>-6 according to the 2010 census the ...
*Thursday, November 15, 2012 at 7:43pm by E.M*

**Spanish III**

1. comenzar ---> 1. start 2. practicar ---> 2. practice 3. jugar ---> 3. play 4. almorzar ---> 4. lunch 5. tocar ---> 5. touch 6. buscar ---> 6. search 7. llegar ---> 7. get 8. pagar ---> 8. pay 9. cruzar ---> 9. cross 10. empezar ---> 10. Start
*Thursday, November 29, 2012 at 11:03am by Sammy*

**Spanish III**

1. comenzar ---> 1. start 2. practicar ---> 2. practice 3. jugar ---> 3. play 4. almorzar ---> 4. lunch 5. tocar ---> 5. touch 6. buscar ---> 6. search 7. llegar ---> 7. get 8. pagar ---> 8. pay 9. cruzar ---> 9. cross 10. empezar ---> 10. Start
*Thursday, November 29, 2012 at 11:03am by Sammy*

**Math**

3x^2 - 2x - 1 >= 0, Factor using the A*C Method: A * C = 3 * -1 = -3 = 1 * -3, 3x^2 + (x -3x) - 1 >= 0, (3x^2 - 3x) + (x - 1) >= 0, 3x(x - 1) + (x - 1) >= 0, (x - 1) (3x + 1) >= 0, x - 1 >= 0, x >= 1. 3x + 1 >= 0, 3x >= -1, x >= -1/3. Solution Set...
*Tuesday, September 28, 2010 at 5:35pm by Henry*

**Discrete Mathematics**

There is no algebraic manipulation to be done, just like the raining and staying home. Let p = (x+2)(x-3) > 0 q = x<-2 ∨ x>3 Then p->q, or "if p then q", would translate to the original statement of If (x+2)(x-3)>0 then x<-2 ∨ x>3. The converse is...
*Friday, July 26, 2013 at 2:26pm by MathMate*

**physics**

i need help....please If you Fourier sample the state 1/√22(|000>−|001>+|010>−|011>+|100>−|101>+|110>−|111>), which of the following states can be the outcome of your measurement? Select all that apply. 1. |000> 2. |001&...
*Monday, September 9, 2013 at 11:58pm by ajay*

**chem grade 12**

<<<<<<<<<<>>>>>>>>>>>> First : Al in III A >>>> Al = 3+ Second : O must be 2- Third : count and S = 6+
*Tuesday, January 31, 2012 at 9:49pm by IChO 2012 Washington DC*

**math**

1)3/4+x >1 --> x>1/4 2)6x+8 > 4 --> x>-2/3 3)|x+0.5|=0.25 is it x=-o.25,-0.75 (x+.5) = .25 and -(x+.5) = .25 x = -.25 and x = -.75 agree 4)|7-x|>2 is it -x>-5 ,-x<-9 (7-x)>2 and -(7-x)>2 -x >-5 and x>9 x<5 and x>9 when you multiply ...
*Tuesday, November 9, 2010 at 7:51pm by Damon*

**Quantum physics**

rare, for q2 - just multiply the two quibits states. Answer to q2: 1/sqrt(2)*3/5 ----> |00> (3*i)/(5*sqrt(2)) ----> |01> 4/(5*sqrt(2)) -----> |10> (4*i)/(5*sqrt(2)) -----> |11> Please, give us answers to question 6! Thanks
*Sunday, September 8, 2013 at 6:28am by Somebody*

**grammar**

don't = do not >> verb + adverb better >> adjective or adverb to >> preposition (also sometimes part of the infinitive of a verb) can >> verb or noun and >> conjunction then >> adverb
*Sunday, November 29, 2009 at 4:55pm by Ms. Sue*

**Chem**

Once again, not sure why the choices don't show up but here they are: Ca>Na>k Al>Si>P K>Ca>Ge Na>P>Cl Na>Rb>Cs
*Saturday, April 19, 2008 at 1:43pm by Ginger*

**Spanish**

Conjugate the following irregular verbs in the simple present tense (Indicative).? >> are my answers correct. tener (to have) yo >> tengo tener (to have) nosotros >> tenemos venir (to come) tu >> vienes venir (to come) nosotros >> venimos salir (...
*Tuesday, March 22, 2011 at 11:49pm by anon*

**Maths-Vectors Help!**

Please help confirm if I got this problem correctly; 1)2jx(3i-4k) sol>> 2x3jxi - 2x4jxk = 6jxi - 8jxk = 6k - 8i 2) (i-2j)xk Solutn>> ixk - 2jxk = -j - 2i 3) (2i-4k)x(ix2j) solutn>>2ixi Please do help with this ONE yes, correct. On the third, break recheck if ...
*Monday, April 16, 2007 at 1:01pm by Segun*

**maths logarithms**

let z= 5^x then 5z^2 + 24z -5=0 using quadratic equation z= -24 +- sqrt 24^2+100 /10 z= -24 +- 26 /10 z= 1/5; z= -5 5^x= 1/5 >>> x=-1 or5^x= -5 >>> no possible x
*Wednesday, October 17, 2007 at 4:05pm by bobpursley*

**Calculus PLEASE HELP**

You are correct, both in your calculations and your understanding of the concepts. C is increasing when C' > 0 C' = 6x^2-42x+36 = 6(x^2-7x+6) = 6(x-1)(x-6) C'>0 for x<1 or x>6 The marginal cost is C', so C' is increasing when C">0. C" = 6(2x-7) C">0 when x &...
*Saturday, December 7, 2013 at 6:23pm by Steve*

**Junior high**

10->01=1*1 40->04=2*2 90->09=3*3 61->16=4*4 52->25=5*5 63->36=6*6 94->49=7*7 46->64=8*8 18->81=9*9 A:001->100=10*10 121->121=11*11
*Thursday, October 2, 2008 at 6:42pm by ͺτ*

**english/language**

what is the contraction in the following sentances? >>>A mud hole is his favorite place, ???is it place? OR >>>They say he's as smart as a dog, ???is it he's? OR Am I way off? if so please give me an example
*Friday, September 7, 2007 at 1:19am by meowphfsst*

**science**

How can a particle have energy but no mass?when there is an equation E=mc^2. Another question how can light particles have momentum without mass !When p=mv>>>>>>>>>DOUBT PLZ CLARIFY! DOUBTS ARE THE KILLERS OF HUMAN BRAIN!
*Thursday, October 3, 2013 at 10:50pm by help()!!!!!*

**geopmetry**

10->01=1*1 40->04=2*2 90->09=3*3 61->16=4*4 52->25=5*5 63->36=6*6 94->49=7*7 46->64=8*8 18->81=9*9 001->100=10*10 A:121->121=11*11 441->144=12*12
*Thursday, October 2, 2008 at 7:20pm by ͺτ*

**Computer proof**

The graph did not come out but it is a square with b from >(1) -> ((2)) and >(1) -> (3) and L from (4) -> (3) and (3) -> >(1) and a from ((2)) -> (4)
*Thursday, May 9, 2013 at 8:24am by Steve *

**Abstract Algebra**

Proof: Assuming that 2^n>n^2 then I can say that 2*2^n>2*n^2 = 2^n+1>2n^2 yes, correct If I can show that 2n^2>(n+1)^2 then I will be done by transitivity. So 2n^2>(n+1)^2? then 2n^2>n^2+2n+1? then n^2>2n+1, now, n>5, so n= 5+m, where m is any positive ...
*Friday, September 21, 2007 at 2:00pm by bobpursley*

**Math**

I need help with this problem: 6/v-1=6/(v-3) I tried working it out like this: >>>6/v-1=6/(v-3) >>>(6-v)/v= 6/(v-3) I cross multiplied to get: >>>3v+18-v^2= 6v >>> -3v+18-v^2=0 ^Here's where I became stuck. I would appreciate it if you would...
*Saturday, October 23, 2010 at 2:11pm by Yaya*

**maths**

4 / x - 2 > 5 4 / x > 5 + 2 4 / x > 7 Multiply both sides with x 4 > 7 x Divide both sides with 7 4 / 7 > x This mean: x < 4 / 7 x must be > 0 besouse in expresion: 4 / x - 2 > 5 4 / 0 = undefined So solution are: 0 < x < 4 / 7
*Friday, December 16, 2011 at 9:17am by Anonymous*

**English**

calm <<opposites>> nervous, quick-tempered easygoing <<opposites>> touchy, think-skinned, crabby determined <<opposites>> indecisive easy-going <<opposites>> high-strung nosy(intrusive, prying, snoopy) <<opposites>> ...
*Sunday, September 11, 2011 at 4:14pm by Writeacher*

**maths natural log**

Huh ? as t--> oo e^-anything t ----> 1/ e^big ---->0 so W ---> 0 and b ---> 800 What happened was that the black increased form their initial 50 to their final 800 while destroying the white populations, typical invasive species.
*Saturday, March 29, 2014 at 10:03am by Damon*

**maths**

I just plotted your points, and following the usual notation of joining A--->B--->C--->D--->A I get a convex quadrilateral and I see no parallel lines check your typing of the coordinates
*Saturday, March 2, 2013 at 7:12am by Reiny*

**Discreet math**

If you need a proof of the proposition/identity, please first double check the expressions. [(pvq)^(p=>)^(q=>)]=>r[(pvq)^(p=>)^(q=>)]=>r Not sure if something is missing where expression is indicated in bold. Perhaps there are other problems.
*Tuesday, June 25, 2013 at 1:08am by MathMate*

**Spanish**

That is -zar and -cer. It has to do with the sound system. In Spain, with Castillian, both the infinitives would sound like "th" = "thar" and "ther." Here are all the "sounds" to worry about! z>a or z>o or z>u = c>e or c>i (za, zo, zu, but ce, ci) In Spain it's ...
*Tuesday, September 7, 2010 at 8:35pm by SraJMcGin*

**please check**

Prob.1 and 2 are correct. 3. [7 - x] > 2. Eq1: +(7 - x) > 2. Eq2: -(7 - 7)>2. Eq1: +(7 - x) > 2, 7 - x > 2, -x > 2 - 7, -x > -5, Divide both sides by -1 and reverse inequality sign: x < 5. Eq2: -(7 - x) > 2. -7 + x > 2, x > 2 + 7, x > 9. ...
*Wednesday, November 10, 2010 at 6:28pm by Henry*

**math**

Question: Use logical equivalnces to show that the propositions !p -> (q->r) and q -> (p v r) are logically equivalent. I AM SO DAMN CONFUSED! I tried to solve !p -> (q -> r) first and I only got to !p -> (!q v r) I cant see any other rule that would apply ...
*Tuesday, October 5, 2010 at 2:01am by rick*

**college algebra--need help please!!**

1.3^5 = 3.71293----> 3.71 1.3^4 = 2.8561 ---->-2.86 1.3^3 = 2.197 ----->19.77 1.3^2 = 1.69------->-8.45 -16*1.3 ----------->-20.8 +5 ----------------> +5 add f(1.3) = -3.63 now do f(1.6) 1.6^5 = 10.48576 ----> 10.5 1.6^4 = 6.5536 ------>-6.55 1.6^3 = 4....
*Friday, November 23, 2012 at 2:55pm by Damon*

**Quantum Physics**

In Problems 1 to 5 we will work through example of QFTM for M = 6. Problem 1: What is w? You can use e, pi, and M in your response. Please do not subtitute 6 for M. Specify the probability amplitudes. You should use w to denote w, but please fully simplify your answer such ...
*Wednesday, March 20, 2013 at 1:22am by Hal*

**Discrete math**

Question: Use logical equivalnces to show that the propositions !p -> (q->r) and q -> (p v r) are logically equivalent. I AM SO DAMN CONFUSED! I tried to solve !p -> (q -> r) first and I only got to !p -> (!q v r) I cant see any other rule that would apply ...
*Monday, October 4, 2010 at 4:41pm by rick*

**MATH EMERGENCY**

Given Equation AX + BY + C = 0, which following conditions would be true for graph of line to have a negative slope and a postive y-intercept? A. A>0, B>0, C>0 B. A>0, B<0, C>0 C. A>0, B>0, C<0 D. A>0, B<0, C<0 I cant figure this out!
*Saturday, January 22, 2011 at 7:15pm by Alison*

**algebra - absolute value**

+(t-4) > t-4 0>0 , no solution or -(t-4) > t-4 -t+4 >t-4 -2t > -8 t < 4 check with some numbers t = 1 , which is less than 4 |1-4| > 1-4 3 > -3 , YUP t = -50 , which is less than 4 |-50-4| > -50 - 4 54 > -54 , YUP let t = 6 , which is greater than...
*Thursday, November 29, 2012 at 7:51pm by Reiny*

**math**

Um... i cant find anything about this in the textbook, help??!! 1. m - 7 < 6 (1 point) m < -1 m > 1 m < 13 m < -13 2. x + 4.5 > 5.5 (1 point) - x > 10 - x > 1 - x > 0.1 - x < 1 - 3. p + 12 > 9 (1 point) p > 21 p > 3 p > -21 p > -3 4...
*Friday, January 3, 2014 at 11:11am by TTR+S<3 *

**Quantum physics**

maybe it was a problem to read it: 1/(2√2) * (|000>−|001>+|010>−|011>+|100>−|101>+|110>−|111>)
*Saturday, September 7, 2013 at 11:47pm by Anonymous*

**English**

Use your turning signal >>> ?? Dont blow your horn in anger >>> ?? Everything else looks good.
*Saturday, August 6, 2011 at 4:56pm by Writeacher*

**Quantum Physics**

answer for this please: Let |ψ> = a|0>+b|1> where a and b are nonnegative real numbers. We know that if we apply H to this qubit and then measure the resulting state in the sign basis, the probability of getting a + is 1/4 (a) What is |ψ> in the standard ...
*Monday, March 11, 2013 at 10:48pm by TIGER*

**math**

Need help Asap....with this wuestion for math>>>>>>> Mrs Garcia has a number cube with the following numbers on it: 4, 13, 8, 46, 8, 9. Whet is the probability that when she rolls it she lends on s factor of 8?...
*Thursday, March 1, 2012 at 11:26pm by myranda*

**History**

Ms Sue, I am sorry to be a bother again. The websites u sent me are pretty good; however, they focus mainly on Africa in itself and do not focus on WEST AFRICA>>>>> if they do focus on WEST AFRICA its always ECOWAS>>>>> do u or your colleagues ...
*Monday, March 24, 2008 at 9:40pm by Joyelle*

**aint ure bussness**

hey ppl who read this, go to word press and make ure page.... easy right? now after u have a page go to my blog michi lulu and folow me....................... not like stalker but like follow like wen u put this little butten and................................ MAN IF U READ ...
*Friday, September 17, 2010 at 11:27pm by u look here u dumb uuu!*

**chemistry**

K3[Al(C2O4)3]+2H2SO4>>>K2SO4+6H2C2O4+6H2O 2KMnO4+5H2C2O4+3H2SO4>>>2MnSO4+10CO2+8H2o
*Sunday, March 21, 2010 at 4:52am by paria*

**Intermediate algebra, concepts and graphs**

|x-2|>1 +(x-2) > 1 or -(x-2) > 1 x-2 > 1 or -x + 2 >1 x > 3 or x < -1 the key word here is OR and you forgot to reverse the inequality sign for one of the cases
*Friday, June 14, 2013 at 12:13pm by Reiny*

**English**

You didn't go over this very carefully. written with different purposes and ideas; >> semicolon, not comma Fiction novels >> oops! comprise of works >> omit "of" examples of fiction and nonfiction >> of, not on Both works though in different categories...
*Saturday, June 5, 2010 at 7:05pm by Ms. Sue*

**algebra2**

[2x - 1] + 6 > 9. [2x - 1] > 9 - 6, [2x - 1] > 3, 2x - 1 > 3, +-(2x - 1) > 3, +(2x - 1) >3, 2x - 1 > 3, 2x > 3 + 1, 2x > 4, x > 2. -(2x - 1) > 3, -2x + 1 > 3, -2x > 3 - 1, -2x > 2, x < - 1. Solutin set: - 1 > x > 2. All real ...
*Sunday, November 21, 2010 at 3:07pm by Henry*

**Geography**

A: Indonesia >> NO C: Philippines >> It could be right; Taiwan also meets this description D: Japan >> NO ?
*Friday, April 9, 2010 at 4:41pm by Ms. Sue*

**Science**

The bacterium Caulobacter crescentus is able to form long cell envelope extensions that increase the surface area-to-volume ratio when placed in adverse environments. What is the likely function of these envelope extensions? To acquire nutrients To aid in cell division To ...
*Saturday, January 11, 2014 at 10:38pm by Tina*

**Ecology **

CORRECTED QUESTION >>> >>> >>> >>> A space can hold a maximum of 256 paramecia before over-crowding. The paramecium undergoes 8 cell divisions before over-crowding. Suppose that the paramecium takes 2 hours to divide *once, how many hours ...
*Saturday, September 19, 2009 at 4:04pm by Brooke*

**English**

I agree with Matt about these: >>>the metal detector >>>practicing archery =)
*Thursday, April 21, 2011 at 9:02am by Writeacher*

**Calculus**

f(x)=ax²+bx+c f'(x)=2ax+b f"(x)=2a f"(2)=3 => 2a=3 => a=3/2 f'(2)=2 => 2a(2)+b=2 => 3(2)+b=2 => b=-4 f(2)=6 => a(2)²+b(2)+c=6 => 4a+2b+c=6 => 6-8+c=6 => c=8 Therefore f(x)=(3/2)x²-4x+8 Using this final definition of f(x), verify that f...
*Friday, June 14, 2013 at 5:56pm by MathMate*

**Physics**

In the circuit below all light bulbs are identical. In order of brightest to dimmest the light bulbs are ... This is the best I could do, to try and replicate what the original circuit looks like : where the x's are just the wire; A,B, C, D, and E are the lightbulbs; and the...
*Thursday, March 11, 2010 at 9:56pm by Sandra*

**Please check my maths answer?**

This is the question: The straight line y=2p+1 intersects the curve y= x+ (p^2/x) at two distinct points. Find the range of values of p. this is what i did: 2p +1 = x + p^2/x simplify.... x^2 + (2p+1)x + p^2 = 0 b^2-4ac > 0 (-2p-1)^2 - 4(p^2) > 0 simplify.... 4p + 1 >...
*Monday, June 15, 2009 at 10:17pm by Rikkie*

**Algebra**

yr 1> $265,000 yr 2> $280,900 yr 3> $297,754 yr 4> $315,619 yr 5> $334,556 yr 6> $354,630 yr 7> $375,908 yr 8> $398,462 yr 9> $422,370 yr 10> total %447,711.92 or $447,712
*Friday, June 17, 2011 at 1:40am by Levi*

**Quantum physics**

If you Fourier sample the state 122√(|000>−|001>+|010>−|011>+|100>−|101>+|110>−|111>), which of the following states can be the outcome of your measurement? Select all that apply. 1. |000> 2. |001> 3. |010> 4. |011...
*Saturday, September 7, 2013 at 11:47pm by SS01*

**Quantum Physics**

In Problems 1 to 5 we will work through example of QFTM for M = 6. Problem 1: What is w? You can use e, pi, and M in your response. Please do not subtitute 6 for M. Specify the probability amplitudes. You should use w to denote Φ, but please fully simplify your answer such ...
*Wednesday, March 20, 2013 at 1:22am by Help*

**maths**

n = 2b n = 5l 2b+3n+4l > 200 2(n/2) + 3n + 4(n/5) > 200 n + 3n + 4n/5 > 200 24n/5 > 200 24n > 1000 n > 41.666 n >= 42 b >= 21 l >= 9 2*21 + 3*42 + 4*9 = 42 + 126 + 36 = 204 So, N >= 204 leaves in total
*Saturday, October 8, 2011 at 12:42am by Steve*

**>>>>>>>>AP SCIENCE**

What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?
*Wednesday, May 28, 2008 at 1:12am by Sammie*

**Science**

Which of the following would not be affected by a loss of vacuole function? The export of unwanted substances The production of ATP>>>>>>? The regulation of cellular pH The storage of food materials
*Saturday, January 11, 2014 at 10:37pm by Tina*

**Physics**

A thin rod, of length L and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m is attached to the other end. The rod is pulled aside through an angle and released. What is the speed of the ball at the lowest point if L = 2.20 m...
*Friday, March 9, 2007 at 10:48pm by Technoboi11*

**Math**

sort first on the number of digits, then on the first digit. 923 > 91 > 9 (923 > 762 > 421) > (91 > 63 > 12) > (9 > 3)
*Wednesday, May 8, 2013 at 2:35pm by Steve*

**chemistry**

how would you complete the following reactions. a. ___Al+___H2SO4-> b. ___Mg+___Ca(OH)2-> c. ___NaCl+___CaO-> d. ___(NH4)3PO4+___MgF2-> e. ___HI-> f. ___Mg(ClO3)2->___MgCl2+ g. ___C3H6+O2->___CO2+___H2O
*Tuesday, January 18, 2011 at 5:42pm by Jovanni*

**CALCULUS HELP PLEASE!!**

The answer is wrong because function x^(-2)>0 on [-2,2] except x=0 =>integral>0 This is Improper integral which is divergent. x^(-1)-->infinity if x-->0
*Wednesday, May 11, 2011 at 11:12pm by Mgraph*

**statistics**

Divide the sum of squares by N and work with the averages. Let's use the notation: <X> for the average of X. E.g.: <X> = ∑(X)/N = Mean And: <(X-<X>)^2> = <X^2 - 2X<X> + <X>^2> = <X^2> - <X>^2 Note that <a X> = a...
*Wednesday, August 29, 2007 at 12:15pm by Count Iblis*

**algebra 2**

I am not sure if you have the right question. The absolute value of any function is greater than zero, so the condition >-6 is superfluous. Check if the question is not: x+4 > |6|. If the question is indeed |x+4|>6 and |x+4|>-6, just work with the first condition, ...
*Saturday, September 25, 2010 at 6:17pm by MathMate*

**Geometry Help!!!!!!!!!!**

Anonymus solution not completely. All sides must be greater of zero: 3x+4>0 3x> -4 Divide with 3 x> -4/3 6x-1>0 6x>1 Divide with 6 x>1/6 8x+2>0 8x> -2 Divide with 8 x> -2/8 x> -1/4 Least of that numbers is -4/3= -1.3333 x> -4/3 is solution
*Thursday, June 23, 2011 at 8:49am by Istan*

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