Thursday
April 24, 2014

Posts by Matt


Total # Posts: 1,677

chemistry
Bleh, I meant Krypton, not Radon.

chemistry
149 Ne/73 unknown = sqrt(MM unknown/20.183) Square root the denominator 2.0411 = sqrt(MM unknown)/ 4.4925 multiply the denominator to isolate the unknown 2.0411 x 4.4925 = sqrt(MM unknown) 9.16972 = sqrt(MM) Square both sides, 84.083 = unknown molar mass, closest element is th...

History
Is sectionalism a social issue or a political issue?

english
premodern style was dramatic where modern sticks more to facts, and morals presented itself more in premodern reporting where in modern the more serious side came out.

english
What are the differences between premodern and modern reporting styles. A headline and the first two or three sentences of the news article that would carry the story of that event in premodern style A headline and the first two or three sentences of the news article that woul...

college Math Word Problem
The mass of Uranus is about 8.7x10^22 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Uranus is the mass of the sun? Give your answer in scientific notation.

Poetry
I need to write a one page response to the following poem, answering "How persuasive is this poem? How powerful is its argument? Account for its effect." I don't know where to begin because I don't understand the question. Any suggestions? Promises Like Pie-C...

science
what effect could receding have on sea level?

Statistics
Using the standard normal distribution tables, the area under the standard normal curve corresponding to Z > –2.62 is a. 0.0044. b. 0.0047. c. 0.9953. d. 0.9956. The answer is D How do i find the answer on the Table C or just in general?

Math
Betsy, a recent retiree, requires $6000 per year in extra income. She has $47,000 to invest and can invest in B-rated bonds paying 15% per year or in a Certificate of Deposit (CD) paying 6% per year. How much money should be invested in each to realize exactly $6000 in interes...

History
What was Massachusetts Bay Colony's economic policy? Like what did they do to make money.

riddle
what can open doors without force even the strongest man can not do it only i

Algebra
Write an equation for the line through (-3,2) and (6,1) y(x)=

Algebra
Write an equation for the line through (-3,2) and (6,1) y(x)=

college math
thanks any way

college math
never mind

college math
Find the slope of the line through the points (6,9) and ( 6+n , 9+2n) slope=

Language
What's the difference between a subject and a subject phrase? Can you give us an example.

American History
He founded the NAACP

American History
What was the significance of WEB Dubois?

Ged Test Results
need my test results from May 06. where to look?

physics
What constant net force is required to bring a 1500 kg car to rest from a speed of 100 km/h within a distance of 55 m?

Math
Well, assuming there is no bottom to the box (taken from where the instructions say you only cut 4 pieces of paper), the largest length possible that can be cut along the 8.5 in side is 4.25 inches. So, assuming the constraints from the instructions the way I interpreted, that...

maths
there are 100 boys, 80 girls, and 20 teachers. In how many ways can a group of 5 (2 girls, 2 boys and a teacher) be selected?

health-care
Thank you, you're a life saver!!

health-care
From the perspective of a caregiver, would you prefer traditional insurance or one of the managed care options (HMO,PPO) and why? I need direct answers please, I'm not a health-care professional or caregiver, so I don't know which to choose.

Math/Physics
For a velocity-time graph, what does the "tangent line of the curve" represent?

Variables
Thanks a million

Variables
In the following statements what are the dependent and independent variables? a. Increased education results in decreased racial/ethnic prejudice. b. The greatest indicator of college attendance is family income, not intelligence. c. Because of hasty and stupid presidents, nat...

health
what role do health-care workers play in determining quality care?

operations management
Here are some questions I'm stuck with. If anyone has answers, that would be helpful to review them before my final Wednesday. It has to do with the CROCS company. Thanks... CROCS FINAL EXAM CASE STUDY QUESTIONS This case is about a company that became very successful prim...

health
What I'm not sure of are responsibilities that are out of scope of practice. I've googled it but can't find any info on that.what responsibilities do nurses have that may be out of their traditional scope of practice? Pls help.

health
what responsibilities do nurses have that may be out of their traditional scope of practice?

Sociology Multiple choice
Which of the following is(are) true of culture a. culture would be significant whether people held it in common or not b. despite the cultural diversity that exists in American society, there are symbols, language patterns, belief systems, and ways of thinking that are distinc...

Sociology Multiple choice
Which of the following is(are) true of culture? a. culture would be significant whether people held it in common or not b. despite the cultural diversity that exists in American society, there are symbols, language patterns, belief systems, and ways of thinking that are distin...

Sociology Multiple choice
Well its an error conclusion so its false that mean its spurious.. Thanks

Sociology Multiple choice
No its not opposite its true so it should be positive then

Sociology Multiple choice
is it C

Sociology Multiple choice
I am sorry a. Positive b. negative c. Inverse. d. spurious

Sociology Multiple choice
Can anyone help me with these questions as I am stuck in these 1. The finding that the number of women reporting physical assaults by their husbands goes up on Super Bowl Sunday may lead to the erroneous conclusion that watching the Super Bowl causes husbands to be violent. Th...

Math
(a^2b^2)^1/5 I'm not understanding can someone help.

Chem
Order the elements S, Cl, and F in terms of increasing atomic radii. I thought the answer was F, S, Cl, but the answer key said it was S, F, CL Why? AR decreases from left to right. Sulfur has one more energy level, so shouldn't its atomic radii be greater than fluorine?

Sociology
Thank you thats really great.

Sociology
Thank you that really helps.

Sociology
Supporters of multiculturalism argue that it helps us come to terms with our diverse present and strengthens the academic achievement of African-American children. Some call for Afrocentrism, the dominance of African cultural patterns in people’s lives. Opponents of multi...

air mass movement
Fill in the blanks...Air masses MOVE from areas of__________ pressure to ares of ______________ pressure.

Science
Fill in the blanks...Air masses MOVE from areas of ______ pressure to areas of_________ pressure.

english
Can you help me paraphase this? I set off on a four-mile walk to our forge,pondering as I went along,on all that I had seen,and deeply revolving that I was a common labouring boy,that my hands were course, that my boots were thick,that I had fallen into a despicable habit of c...

english
Cn you help me paraphase this? So unchanging was the dull old house,the yellow lights in the darkened room the faded spectre in the chair by the dressing table glass, that I felt as if the stopping of the clocks had stopped time in that mysterious place , and while I had every...

English
Can you help me paraphase this? I have never thought of being ashamed of my hands before, but I began to consider them a very indifferent pair. Her comtempt for me was so strong, that it became infectious, and I caught it.

can you help me paraphase this.
Young as I was, I believe that I dated a new admiration of Joe that night. We were equals afterwards,as we had been before,but,afterwards at quiet times when I sat looking at Joe and thinking about him, I had a new sensation of feeling conscious that I was looking up to Joe in...

english
can you help me paraphase this; Conscience is a dreadful thing when it accuses man or boy;but when,in the case of a boy,that secret burden co-operates with another secret burden... it is (as I can testify) agreat punishment.

Biology-need source
Hey I need a source that tells me the effects of seismonsastic movements on the growth of plants. Thanks!

Human Biology-Birth Defects
I understand that, but how can it say that one gene is operating against a whole bunch of genes?

Human Biology-Birth Defects
Hey I'm doing a report on clubfoot and I just researched this about it: "Complex segregation analyses suggest that the most likely inheritance pattern is a single gene of major effect, operating against a polygenic background." what does it mean by "operatin...

chemistry
given: Ferrocene, Acetylferrocene, 1, 1' Diacetylferrocene What part of the ferrocene compound(s) is(are) responsible for creating a dipole moment What type of molecular orbitals does the cyclopentadienyl ligand use to bond with the iron ion? How many electron pairs does e...

german
Anyone mind spellchecking this small text? =) Helga, die früher in Hamburg wohnte, ist nach München umgezogen. Sie verliebte sich in Gerd, der seine Arbeit in der Hauptstadt der Bayern hat. Hier hat er eine moderne Wohnung, die sie jetzt mit einander wohnen in. In Ha...

Chemistry
Pt is functioning as a cathode - D shows that Pt is cathode and Fe as anode. I don't understand why H+ and water are in the reaction so my answers 1)D 2)B

Chemistry
no, there's Fe in D for the first question..Fe(s)+8H+(aq)+MnO4–(aq)+Pt2+(aq)==> Mn2+(aq)+4H2O(l)+Fe2+(aq)+Pt(s)

Chemistry
#1, Fe(s) is on the left, so it's anode; Pt(s) is on the right, it's a cathode...so the rxn should be D. #2: B because Fe is gaining electrons, making it a reduction=cathode.

Chemistry
For the following electrochemical cell: Fe(s)/Fe2+(aq)//MnO4–(aq), Mn2+(aq)/ Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 2Mn2+(aq) + 8H2O(l) + 5Fe2+ ==> (aq)5Fe(s) + 16H+(aq) + 2MnO4–(aq) B. 5Fe(s) + 16H+(aq) ...

chem
Which reaction has been chosen as the 'standard' against which every other reaction is measured? A. Li+ + e– --> Li B. F2 + 2e– --> 2F– C. 2H+ + 2e– --> H2 D. O2 + 4H+ + 4e– ==> 2H2O E. H2 + 2e– ==> 2H

Chemistry
For the following balanced equation: 2 Ag+ (aq) + Cu(s)--> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu(s)/Cu2+(aq)//Ag+(aq)/Ag(s) B. Cu2+(aq)/ Cu(s)// Ag(s)/ Ag+(aq) C. Ag+(aq)/ Cu2+(aq)// Cu(s)/ Ag(s) D. 2Ag...

chemistry
For the following balanced equation: 2 Ag+ (aq) + Cu(s) Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu(s) Cu2+(aq) Ag+(aq) Ag(s) B. Cu2+(aq) Cu(s) Ag(s) Ag+(aq) C. Ag+(aq) Cu2+(aq) Cu(s) Ag(s) D. 2Ag+(aq) Cu2+(aq)...

math
Find the absolute extrema of the function f(x,y)=x+y-2xy on the region x^2+y^2<=1

Math
What happened after Chief Short Cake died?

Math
What happened when the Crossword Puzzle Champion died?

Math
In Music, What Does "Allegro" Mean?

english
How do I explain the answer please?

english
First, it seems clear that even if there are occasional small dips in the consumption of petroleum, the general trend shows no sign of a real permanent decrease. Second, petroleum reserves are not being discovered as fast as petroleum is currently being consumed. From these tw...

english
Thanks

english
Relax. The kid’s been delivering the paper for, how long? Three, four years maybe? And not once has she missed us. The paper will be here, just wait and see. She’s just been delayed for some reason. a) true beyond a reasonable doubt b) probably true c) possibly true ...

english
You're a star!!

english
Michael Jackson has had more plastic surgery than anybody else in California. You can bet he’s had more than anybody in Connecticut! a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false The answer is (C) possibly true or possibly false ...

english
. Since the graduates of Harvard, Yale, Princeton, and other Ivy League schools generally score higher on the Graduate Record Examination than students from Central State, it follows that the Ivy League schools do more toward educating their students than Central State does. a...

english
Thank you

english
In three of the last four presidential races, the winner of the Iowa Republican primary has not captured the Republican nomination. Therefore, the winner of the next Iowa Republican primary will not capture the Republican nomination. a) true beyond a reasonable doubt b) probab...

english
Thank you

english
You expect to get forty miles to the gallon in that? Why, that old wreck has a monster V8; besides, it’s fifty years old and needs an overhaul. a) true beyond a reasonable doubt b) probably true c) Possibly true or possibly false The answer is (C) possibly true or possibl...

English
Thanks

maths permutation & combination - answer pls check
Your password for a given website is made up of three letters followed by four numbers. Find the number of possible passwords if there are no restrictions on what three letters and what four numbers can be used. Pls check if my answer is correct 26C3*10C4 =26!/(26-3)!3! . 10!/...

maths permutation and combination
Thanks

maths permutation and combination - answer pls check
Pls check if my answer is correct 26C3*10C4 =26!/(26-3)!3! . 10!/(10-4)!4! = 26*25*24*23!/23!*6 . 10*9*8*7*6!/6!*4*3*2*1 =15600/6 * 5040/24 =2600*210 =546000

maths permutation and combination
Your password for a given website is made up of three letters followed by four numbers. Find the number of possible passwords if there are no restrictions on what three letters and what four numbers can be used.

critical thinking
thanks for the correction

critical thinking
n 1976 a powerful earthquake hit the city of Tangshan, China. Scientists had failed to predict the earthquake. If people had paid attention to the unusual animal behavior that preceded the earthquake, however, they would have known it was coming. Animals can often sense an imp...

critical thinking
In 1976 a powerful earthquake hit the city of Tangshan, China. Scientists had failed to predict the earthquake. If people had paid attention to the unusual animal behavior that preceded the earthquake, however, they would have known it was coming. Animals can often sense an im...

Chemistry
Liquid Chromatography lab: Why is it important that the solvent level not drop below the upper level of the stationary phase once the stationary phase is packed in the column. is it because if the stationary phase dries out, then the mixture will be permanently absorbed

math riddle ALGEBRA WITH PIZZAZZ
He burned his lips on the exhuast pipe

biology
Hey can you help me out with these questions? What is the separation of homologous chromosomes during Anaphase I of meiosis called? What is the animal secretion serving as communication between members if the same species? Thanks?

math
The question is; identify the center and the radius of the circle in this equation. 3x^2 - √ 3x + 3y^2 - y + 1/12 = 0 I ended up getting C:(√ 3/6, 1/6) and R: √ 3/6

Math
I am thinking about going back to college and taking online math classes. I am eligible to take either financial mathmatics or contemporary math. But I am not really sure what the difference is between them. Is there one that is more easy than the other?

math [basic trig]
Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from Sam. The top of the tree appears at an angle of elevation of 25 degrees to Sam and 15 degrees to Markus. Find the height of the tree.

Math
I seem to be having problems setting up Linear Programming questions. For example: Kustom Kars does van conversions. The Custom conversion required 15 hours of shop time, 8 hours of painting time, and 1 hour of inspection time. The Deluxe conversion requires 12 hours of conver...

chemistry
A reaction rate increases by 60.3% when the temperature is increased from 21.5 to 35.6°C. Calculate the activation energy (in kJ/mol) for the reaction.

chemistry
how did you get No and N?

chemistry
Sulphuryl chloride, SO2Cl2, decomposes according to the following first-order reaction: SO2Cl2(g) ¨ SO2(g) + Cl2(g) At a certain temperature, it is observed that it takes 147 minutes for 23.0% of the sulphuryl chloride to react. Calculate the half-life for the reacti...

Biology, Please Help!
Why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer?

Biology: Cells
Why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer?

Language Arts
I need an iambic pentameter poem that sounds like guy has written it. Also to be about school.

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