Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 1,998

**math**

NetBusters has a $30 sign-up fee plus $1.25 per video BlockFlix has a $10 sign-up fee plus $2.25 per video How do I set up a function rule equation I assume that you want to find out how many videos you have to buy before they become equal. Consider this: There is a $20 differ...

**pre cal**

find the standard form of the equation of a parabola with the vertex (0,0) and the directrix y=6 find the standard form of the equation of the ellipse with center (0,0) and foci at (+- 4square root 3, 0) and verticies (+-8,0)

**Science**

Spores sometimes travel in air as dust particles true or false

**chemistry**

MF16014: What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine wiht 25.00 mL of 0.10 M methylammonium chloride? Assume that volumes are additive and that Kb = 3.70 x 10-4 for CH3NH2. how do i go about this question? If you know how to use the Henderso...

**chemistry**

MF16032: What is the percent dissociation of acetic acid if the solution has pH = 4.74 and pKa = 4.74? is it 50% yes, 50%. Do you know how to prove that? Did you calculate it or did you make an educated guess?

**chemistry**

i need help on this i dont get it MDJ OB 018: Alice looked in the looking glass and saw her image there. She invited her image to some out but the visit was short since her image found that she was starving to death and that all the food tasted bad. Why was this? Victorian mir...

**english**

arbor day words to unscramble herlets degeslin Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Try these: http://www.ssynth.co.uk/~gay/anagram.html http://wordsmith.o...

**Chem 2**

what is the solubility of silver carbonate in water in 25 degrees celcius if Ksp=8.4X10-12? i dont know what to do Write the equation. Ag2CO3(s) ==> 2Ag^+ + CO3^= Ksp = (Ag^+2)(CO3^=) Let x = solubility of Ag2CO3. At equilibrium,(Ag^+) = 2x; (CO3^=) = x. Plug those into the...

**SPANISH**

how did jorge luis borges change life today Thank you for using the Jiskha Homework Help forum. Please see the Spanish by Jackie for answers: http://www.jiskha.com/post.cgi

**CHemistry**

The XeF5+ is not trigonal biyramid as the is a lone pair of electrons, VSEPR theory shows that the molecule has the structure AB5L which is a square based pyramid

**Mathematics/pre-algerbra**

how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x See previous post. i still dont get it sorry Cross multiply to find x. Here's the first one; perhaps you can try the second one on your own. 12/16 = x/20 Take 12 * ...

**Algebra, math**

how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x Cross multiply to find x. Here's the first one; perhaps you can try the second one on your own. 12/16 = x/20 16x = 240 Divide both sides by 16 to get x by itself an...

****WORLD GEOGRAPHY 30****

Which of the following statements is not true? a) rural settlement is north america is primarily dispersed. b) agglomerated rural settlement is most commong in the world. c) the agglomerated pattern exists in lands colonized by europeans. d) an agglomerated village can be desc...

**Medea Trial**

My teacher assigned my class to play out a trial of Medea vs. Jason. I was assigned to the Medea side and I am a lawyer who will try and prove it was Jason's fault that caused all the trouble (killing of Medea's two sons and, princess, and king.) My group told me to qu...

**algebra1**

could some possibliy go through the steps in sovling this problem for me? x/7+5=9 subtract five from each side. Then, multiply both sides by seven

**Economics**

How do you proceed in calculating exchange rates between countries and what data do you need? Exchange rates are simply market prices of foreign currencies. The price can fluxuate on a daily basis. So, are you asking how you would build a model that predicts an exchange rate?...

**Social**

What was the bonus army, why were they protesting and what happened to them? i cant find this anywhere soooo plez helppppp thanks http://www.google.com/search?q=%22bonus+army%22&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA =)

**Chemistry (3rd time I've posted this)**

Can someone check my answers? I've posted this a couple times and no one has responded. Is no one responding because they're all right or what? 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all o...

**Chemistry check**

Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid rain on another day m...

**Chemistry**

Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid rain on another day m...

**global studies**

The rivers of Quebec Province are used to make? http://www.britannica.com/ebi/article-207027 =)

**CHEMISTRY**

ok i have no idea what a 7 letter word for : force resulting from the collisions of gas particles is... so if u have any ideas to what it could be would be great. thanks kinetic? idk pressure is a force.... pressure is a eight letter word I think someone miscounted the letters...

**Chemistry**

How do I do this problem? 1. A student did an alkalinity determination correctly, except that the sample titrated had a volume of 90.0 mL. Volume A was found to be 4.50 mL and Volume B was 7.00 mL. a) Calculate the alkalinity value from these data and then calculate the correc...

**pre-algebra**

write an inequality for the sentence. The total t is greater than five. Well your answer is going to be T and the sign for greater than is simply >. So the answer would be T > 5 ok again my name is above. i was just wondering what pre-algebra was? i mean i take the subje...

**pre-algebra**

which product equals 3t-12? What options do you have to choose from? Without that information, we cannot help you. Give us the options with your reasoning for your choice, and we will be glad to give you feedback. I hope this helps. Thanks for asking.

**spanish**

What is the difference between a refugee and an immigrant. Also, What is the solution the economic problem of hispanics? Thanks for any help that you may have. Thank you for using the Jiskha Homework Help Forum. When you want to know the definition of a word, always look in a ...

**math - loans**

if i have to pay back a loan of 10 million over the next 5 yrs. How much are my yearly payments if each subsequent payment is 15% less than the previous year? What is the interest rate? Zero? If there is zero interest rate on the remaining balance, and if the first payment occ...

**stocks**

When IBM announces its intention to split its stock, let us say a split of 2:1, the news is interpreted as reducing the volatility of the DJ30, and it sometimes leads to an increase in the IBM share price, adjusted for the split. Explain the possible reasons for both effects, ...

**Capital Markets - Bonds**

You are buying right now a zero-coupon bond. It has exactly 8 years to maturity, and you expect the YTM to be 6% over the bond’s life. Even though you intended to hold it to maturity, you end up selling it after 3 years. By that time, the bond’s YTM has risen to 8% d...

**Capital Markets**

You work for an underwriter. The underwriter asks you to ¡§strip¡¨ a portfolio of treasury bond. The treasury bonds in question are all identical, they have 5 years to maturity, pay an annual coupon of 7.25% per year, payable annually, and they are current...

**Capital Markets**

anyone have knowledge of bonds, mutual funds, and stripping bonds. I have a few problems which i cant figure out but theyre kinda long Yes, I have owned each of those. Go ahead and ask your questions here. One at a time would be best.

**psych**

Who knows anything or has an opinion on enculturation? If so let me know. Check this site. http://en.wikipedia.org/wiki/Enculturation

**AP U.S. History 1920's immigration**

WOW

**Macroeconomics**

Manipulation of the Cobb Douglas Equation gives us expression for output per working age person: growth rate of (Y/N)=[1/(1-alpha)*growth rate of TFP]+[(alpha/(1-alpha))*growth rate of (K/Y)]+ [growth rate of (L/N)] N is the working age population K is capital stock L is labor...

**Macroeconomics**

Economists have found that a good approximation of value added production fucntion is given by Y=TFP*(K^alpha)*(L^-alpha) TFP is Total factor Productivity K is capital stock L is quantity of labor used alpha is a paramater around 1/3. How is value added defined? Why dont inter...

**math check please**

What is 10 to the power of 4?

**Chemistry**

EQUILIBRIUM: Given the equation 2 PbS(s) + 3 O2(g) 2 PbO(s) + 2 SO2(g) What direction will the reaction proceed if additional SO2 was added to the system at equilibrium? Forward Reverse Nothing Happens Difficult to determine You really need to do this yourself. LeChatelier'...

**Chemistry**

EQUILIBRIUM: To prepare the standard solution, a very large concentration of ferric ion is added to a small initial concentration of thiocyanate ion. True or False It would help if we knew what you were doing. We are determining Chemical Equilibrium: Finding a Constant Kc... F...

**Chemistry**

Which statement about Kc is wrong? A. Kc is always a constant B. For some reactions, Kc increases with temperature increase C. For some reactions, Kc decreases with temperature decrease D. For some reactions, Kc changes when pressure is changed A is incorrect. Kc stays consta...

**Chem-Temperature and Volume Relationships**

At 25 degrees C a balloon takes up a 2L volume what will the new volume be

**TWO DIMENSIONAL DESIGN**

bristol board

**math**

Billy Jeans' profit is given by the equation y=2.7-.0000015(x-2550)^2, where x represents the number of units manufactured and y represents the profit given in millions of dollars. What is the maximum possible profit? a) 2.55 billion dollars b) -7.1 million dollars c) 9.8 ...

**math (statistics**

John's z-score on a college entrace exam is 1.3. If the raw scores have a mean of 480 and a standard deviation of 70 points, what is his raw score? Use a z-score formula to find John's raw score. The formula: z = (x - mean)/sd -->sd = standard deviation Using what y...

**2 any1**

can you give examples for homonyms &3 for synonyms? Homophones/homonyms: http://www.earlham.edu/~peters/writing/homofone.htm Synonyms are just single words that mean the same as other single words. Think of some words and look them up here: http://vancouver-webpages.com/synony...

**language**

What is a simile? This site will give you a definiton and examples. http://www.tnellen.com/cybereng/lit_terms/simile.html would for native americans woul for be the prepositions and americans be the object. for is the preposition. Native Americans is the object of the preposit...

**chemistry**

what are the general reactants and products in a fermentation reaction? thanks http://www.crocodile-clips.com/absorb/AC4/sample/LR1507.html

**chemistry**

why do organic reactions occur more slowly than inorganic reactions (those that contain ionic bonds)? In inorganic reactions the ions merely need to get close enough to attract between + and - charges. Organic compounds are not ionic (some are polar); therefore, the atoms are ...

**math**

belinda if ur still here to help i would appreciate it so much but 5z-2 (5z-2 is under a radical sign) +7=10 anyone else who knows how to solve this with it coming out equal please help thanks again :) wow, I am SO incredibly stupid 3 times in a row! When you get to 5z=11, you...

**math**

i have another question as well.. square root of 3x=x-6..thanks i got an answer that doesnt work out os if u could jus help me out on these thx :) I would square both sides first so you have 3x = x^2 - 12x + 36. Then subtract 3 on both sides so you have x^2 - 15x + 36 = 0. The...

**math**

what is the square root of 5z-2, then it says plus 7=10 First, subtract 7 from each side so you now have: sqrt(5z-2)=3. Then square each side, so you now have: 5z-2=9. Then add 2 to each side so you have 5z=11. Then divide each side by 5 and the answer is z=11/2. thanks belind...

**music**

for school im making a presentation saying whos sold what kind of music and how many albums. i was wondering has any one ever reached diamond (10 million albums sold) status and if so who? thanks Which two bands have sold the most albums? The Beatles - 160 million (including s...

**operations management/supply chain**

Suppose you are managing a service system in which customers arrive at a rate of two per minute according to a Poisson process. You are investing in a single machine that provides the service and does so with exponential service time. Your objective is that the average time a ...

**MATH -BRAIN TEASER- PLEASE HELP**

a step farther

**simplest form**

what is 10/12 in its simpliest form?

**Finance**

An item which may be converted to cash within one year or one operating cycle of the firm is classified as a

**history**

I need to find Sir John A. MacDonald birth certificate or job application http://www.jiskha.com/display.cgi?id=1163541475 what is the name for the combined houses of the missouri legislature http://www.google.com/search?q=missouri+legislature&ie=utf-8&oe=utf-8&rls=org.mozilla:...

**Not Sure**

What do a cat, checkerboard, basketball, calculator and open book have in common? Post this on the puzzle forum, link below.

**the big idea of energy**

what is it???!!!!?!

**Math**

I travel and travel but there is no trail. I cut and cut but there is no blood. I chop and chop but there are no chips. ??

**math**

it takes a plane 40 min longer to fly from boston to los angeles at 525 mi/h than it does to return at 600 mi/h. how far apart are the cities? distance = rate*time B to LA = 525mi/hr*t La to B = 600mi/hr*t The distance is the same no matter which way we go, but we must ADD 40 ...

**What do you think?**

Take immigrant family for example... do you think that person’s language skill is more influenced by peers than by the family? any answers are appreciated. thank you! I think so. Peers are the ones you want to fit in with and be accepted by. Plus, if you want to communica...

**acids and alkalis**

Your MOM

**acids and alkalis**

HI! CAN YOU TELL ME 3 ACIDS IN A HOUSE

**Organic Chem**

how do you synthesize 1-propanol from the starting material butyraldehyde?

**social studies**

what are two exceptions to the decision of a jury being final? appeal and pardon Who were marched to Babylon to work as slaves? Prisoners of war were the most common slaves in ancient times.

**Pigskin**

Google it! Morons...

**Pigskin**

Google it! Morons...

**math**

|(x-3)/(x+5)|< 2 i've asked so many ppl, but they all give me different answers :( Well if the expression is less than two, and the abs function is positive, then the ratio is between 0 and 2. Lets look inside the abs function, it can be negative, because the abs will m...

**1861 England**

Did anything major occur around the 1860s in England? Other than inventions and England's take on the American Civil War. http://www.scopesys.com/year/ You'll have to change the year and then check month by month to find out. This includes things that happened in the w...

**English**

Analogies Yearn: longing which one fits with this? beware: danger rush:patience enjoy:pleasure Suppress:rage sleep:insomnia Yearn is a verb that means about the same as the verb, long. Longing is a noun. Which analogy shows a verb paired with a noun with a very similar meaning?

**Math**

If a^3 = x^2 what is a^2y+1 = x^6, solving for y You would have (x2)3 = x6 = a9 so 9 = 2y+1 Do you see why? do u mean a^(2y) + 1 = x^6 or a^2 * y + 1 = x^6 a^(2y+1) = x^6

**Chem**

The best solar panels currently available are about 13% efficient in converting sunlight to electricity. A typical home will use about 40. kWh of electricity a day. Assuming 8 hours of useful sunlight per day, calculate the minimum solar panel surface area necessary to provide...

**Finance**

A wealthy donor endows a chaired professorship. If the interest rate is 8% how much must he set aside to provide the following end of year salary payment alternatives? a. $100,000 per yr for 20 yrs b. $100,000 per yr in perpetuity c. A perpetuity that pays $100,000 for the fir...

**Vaux-le-Vicomte Statue**

The gardens of Vaux-le-Vicomte are terraced and end at a hill overlooking canals and grottos. In the center of this beautiful hill is a statue of mythological significance. Who is the subject of the statue, and what event (or feat, shall we say), does the statue "commemor...

**Honors world Cultures(history)HELP PLEASE!!!!!!!!!**

The Jewish legal code came partially from what civilization? Possibly from the Code of Hammurabi: http://www.google.com/search?hl=en&hs=HDa&client=firefox-a&rls=org.mozilla:en-US:official&pwst=1&sa=X&oi=spell&resnum=0&ct=result&cd=1&q=code+hammurabi&spell=1 Hammurabi was the r...

**Decision Science/Management**

Can someone help me out with a Decision modelling case. We have to use palisades software such as @Risk and Precision Tree. Ive done the problem but having trouble with sensitivity analysis I can Help you JOe,if you help me!:P

**Decision Sciences/Models**

Does anyone have expereince using the palisades tool package programs sucah as @risk and precisiontree in making decision making models? yes is it possible to email you a copy or post a copy of my case. i did it but im stuck on sensitivity analysis which i find difficult. than...

**Science**

Thank You!!!

**science**

I have an experiment to do with active transport and osmosis with an egg? I don't know what to do? put the egg in salt water and one in plain water It might help a little more to review the concepts related to experiments. An independent variable is the potential stimulus ...

**math**

derivative: 4/(1-2x^2) Use the general formula for deriving fractions. I remember a nmemonic like "lo di hi less hi di lo all over lo squared". ...or write it as 4*(1-2x^2)^(-1) and use the chain rule.

**calc**

find the derivative of y = sqrt(9 - 16x) Use the chain rule. First find the derivative of the sqrt, and multiply that by the derivative of what is contained inside. Cake. Use the chain rule. If we have y(x)=sqrt(9-16x) then y'=d/dx(sqrt(9-16x))*d/dx(9-16x) The first deriv....

**Marketing**

Need help unscrambling the following letters to form a word. coppscryhsghai

**Analogies (just one)-- please help**

ship:trip::shout: ???

**math**

The roots of the eqn x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d, and a^n + b^n + c^n + d^n is denoted by S~n. The equation of the roots a^2, b^2, c^2, d^2 is y^4 - 6y^3 + 5y^2 - 13y + 4 = 0. State the value of S~2 and hence show that S~8 = 6S~6 - 5S~4 + 62.

**math**

The roots of the eqn x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d, and a^n + b^n + c^n + d^n is denoted by S~n. The equation of the roots a^2, b^2, c^2, d^2 is y^4 - 6y^3 + 5y^2 - 13y + 4 = 0. State the value of S~2 and hence show that S~8 = 6S~6 - 5S~4 + 62. I answered this questio...

**math**

If a question states: Use the digits 1-9 only in order. Insert operation sings and grouping symbols to ge the value of 100.: what do I do or what is the answer?? It says to use 1 2 3 4 5 6 7 8 9 and insert + - * / ( ) to get an expression that evaluates to 100. There is very l...

**Chemistry**

Are the following physical or chemical: a. dew is dried by the sun a dark cloth is faded by the sunlight c. grape juice is converted to wine d. soap is dissolved in water a.physical b.physical c.chemical d.chemical Physical changes are those in which the substance is not chang...

**Physics**

This is a good work, i have read this paper in detail and your paper provokes new thoughts about the work, thanks for posting this!

**Business/Break even analysis**

I am trying to understand the break even analysis for a aircraft fractional ownership company. Can anyone help me understand how this would work? It depends on the constructs you have been presented. You need the fixed costs, and the variable per unit costs. Without details, t...

**organizational behavior**

anyone have knowledge on the Charlotte Beers and Ogilvy case. Just wondering how to discuss the congruence model, changing cultures, and recommendations for the advertising firm. thanks Since this is not my area of expertise, I searched Google under the key words "Beers O...

**Sample of the Principles of Design**

The priciples of design are the laws of designing anything! When making a design one uses the seven principles which are contrast, emphasis, balance, unity, pattern, movement, and rhythm. Can someone provide a sample piece of art that would correlate to each principle for refe...

**Art**

Name 5 functions of art. Do you think certain art should be censored? If so under what circumstances, and should the government sponsor or pay for these controversial artworks? 1) http://arthistory.about.com/cs/foreducators/f/functions.htm 2, 3,) http://www.google.com/search?h...

**composite functions**

Since the the domain of the inner function belongs to real numbers(a polynomial) and the new function is also a polynomial...therefore the domain is all real numbers.

**Microeconomics**

Can anyone solve the following problem. its a case study format our instructor gave to us. i was able to part one and construct a supply curve. just confused on the remaining parts...... Jerry Dewbre, owner of Dewbre Petroleum, had been very busy over the past 18 months. Dewbr...

**What's a Nine-Point Plot Structure?**

I'm doing a summer reading assignment on 'A Midsummer Night's Dream', and one of the questions says to use a nine point plot structure to outline the action in this play. My question is: WHAT THE HECK IS A NINE-POINT PLOT STRUCTURE? (And if any of you do know, ...

**I don't understand**

If it is 143 miles from New York to Albany, 147 from Albany to Syracuse and 80 miles from Syracuse to Rochester, how far is it from New York to Rochester? This question assumes you are travelling along Interstates I-97 and I-90, north along the Hudson to Albany and then east t...

**math**

can anyone help me unscramble toolsuni for math?

**unscrambling word**

help unscramble plhcakndop

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