Friday

August 22, 2014

August 22, 2014

Total # Posts: 754

**biology**

8-b
*May 8, 2011*

**chemistry**

what is the molar mass of a gas if 26.0L of the gas has a mass of 43.6g at 1.10 atm and 10.0 C?
*May 7, 2011*

**math**

Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the fixed cost incurred by the firm, and x the level of production and sales. Find the ...
*May 7, 2011*

**Finite Math**

A bank deposit paying simple interest at the rate of 8% per year grew to a sum of $1200 in 10 months. Find the principal. (Round your answer to the nearest cent.)
*May 7, 2011*

**Finite Math**

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. find (A intersect B) intersect Cc (A union B union C)c
*May 7, 2011*

**Finite Math**

*(A intersect B) intersect Cc (A union B union C)c
*May 7, 2011*

**Finite Math**

A {r,u,v,y} B {r,v,w,x} C {r,u,w,z} t and s are on the outsides. (a) (A B) Cc (b) (A B C)c
*May 7, 2011*

**Finite Math**

Okay i think i understand. annually: 6% semiannually: 6.09% quarterly: 6.14% monthly: 6.17%
*May 6, 2011*

**Finite Math**

Find the effective rate of interest corresponding to a nominal rate of 6%/year compounded annually, semiannually, quarterly, and monthly. (Round your answers to two decimal places.)
*May 6, 2011*

**Finite Math**

I'm so lost...
*May 6, 2011*

**Finite Math**

Find the effective rate corresponding to the given nominal rate. (Round your answer to two decimal places.) 11%/year compounded semiannually
*May 6, 2011*

**French**

I dont know when I should add an e to indicate female in verbs/tenses Is the following correct ? je me lave (masculine) or je me lavee (female) il se lave elle se lavee Many thanks Dympna
*April 23, 2011*

**French**

Thanks SraJMCGin That answers most of my question. What about when in any other tenses when indicating a female ? i.e je me lave(e) ? or ie Present tense of donner or any other tenses imperfect, future Je donne tu donne il donne elle donne ? Many thanks if you can help dee
*April 23, 2011*

**French**

In all French verbs tenses do you add an extra e for females es for feminine plural and s for masculine plural. ? Or is this just for the passe compose or direct object pronoums ?
*April 23, 2011*

**Chemistry**

How many moles are in 51 g of (NH4)2SO4
*April 14, 2011*

**business math**

carol miller went to europe and forgot to pay her 4740 mortgage payment on her new hampshire house,. for her 59 days overdue on her paymen. the bank charged her a penalty of $15 assume 360 days. what was the rate of interest charged by the bank?
*April 14, 2011*

**Physics 20**

which pair of atoms would combine chemically to give an ionic compound
*April 6, 2011*

**Chemisrty**

calculate the final Celsuis Temp when 5.0 L of Flourine gas at 50 is cooled to give a volume of 3.75?
*March 24, 2011*

**statistics**

Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is greater than the first ...
*March 23, 2011*

**com170**

Is this a summary, analysis, synthesis or evaluation 1. Alice Doe’s article discussed overlooked tax deductions. It talked about some of the most commonly missed deductions. Whereas her use of statistics seemed to bolster her arguments, it would have been nice to see her ...
*March 11, 2011*

**com170**

Is this a summary, analysis, synthesis or evaluation 1. Alice Doe’s article discussed overlooked tax deductions. It talked about some of the most commonly missed deductions. Whereas her use of statistics seemed to bolster her arguments, it would have been nice to see her ...
*March 11, 2011*

**science**

what is the mole ratio of C5H12-> C5H8 + 2H2?
*March 9, 2011*

**science**

How mny moles of Mg would you need to react with 2.5 moles of O2?
*March 9, 2011*

**Physics**

12MJ of energy is released when 1kg of dynamite is exploded. How much matter is converted into energy in the process?
*March 6, 2011*

**College Algebra**

need help in solving how many miles can i drive on 60 gallons of gas, with the Mpg 30 in the city, and 42 highway. I would like all the steps, never had algebra before, so i am very lost.
*February 27, 2011*

**Physical Science**

Suppose you made your own hydrometer. The lower part of a hydrometer has a volume of 7.0 g/cm3 and the upper part is 5.0 cm long and has a cross-sectional area of 0.62 cm2. What length of the upper part of the hydrometer will be submerged?
*February 22, 2011*

**chemistry**

maintain room at partial pressure of water of 12 torr. the room is 20 degrees celcuis and relitive humidity is reading 52% 1. what is the partial pressur of water in the air in the room? 2. Equibrium vapor pressure of water at 20 degrees celcius is 17.5 tor is there adequate ...
*February 15, 2011*

**algebra**

(6^2)^3
*February 14, 2011*

**algebra**

subtract x-8=2/7 x+8
*February 14, 2011*

**algebra**

Add x^2+13x+x^2-10x x^2-7x x^2-7x
*February 14, 2011*

**physics**

An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet. As a result, what happens to the mass and wieght of the object?
*February 10, 2011*

**business**

____ 1. The form of organization for a business is not an important issue, as this decision has very little effect on the income and wealth of the firm's owners. TRUE OR FALSE
*February 6, 2011*

**Physics**

how do you figure out take off speed?
*February 3, 2011*

**comp170**

write a final paragraph of about 150 words explaining how you can apply five of the writing elements you studied in this course to enhance your ...
*January 28, 2011*

**Finance**

If a firm had operating profits of 100,000 taxes of 17,000 interest expense of 34,000 and preferred dividends of 5,000. What was the firms net profit after taxes
*January 26, 2011*

**Investments**

Javier is considering making a 4 year investment in Guggenheimer Jewelry. The cost to purchase the stock is $500 and he would only purchase 1 share. Javier expects 15% rate of return. Guggenheimer Jewelry typically increases the dividends paid to share holders by 10% each year...
*January 25, 2011*

**Math**

y=mx+b -5=1/4(4)+b -5=1+b Subtract 1 from both sides: -6=b Answer: y=1/4x-6
*January 24, 2011*

**us history**

So all I need to state why my argument is right, and don't have to include why the counter-argument is wrong...? I think I'm making this more difficult than it should be.
*January 13, 2011*

**us history**

But didn't the government regulated the transcontinental railroads, which transported raw materials? and also the Federal land grants?
*January 13, 2011*

**us history**

It only talked about how technologies and raw materials contributed to the economical growth, but I'm having trouble with actually how to link those ideas to the actually question.
*January 13, 2011*

**us history**

"Although the economic growth of the United States between 1860 and 1900 has been attributed to a governmental policy of laissez-faire, it was in fact encouraged and sustained by direct government intervention." Assess the validity of this statement. What are ...
*January 13, 2011*

**Spanish**

Cuanto pagaste por esa faida?
*January 8, 2011*

**Math**

How do you express (sq.root of 3 + 1)(sq.root of 3 - 1) in simplest form?
*January 5, 2011*

**Chemistry**

Explain, in terms of electronegativity, why an H-F bond is expected to be more polar than an H-I bond.
*January 4, 2011*

**Chemistry**

Explain, in terms of electronegativity, why an H-F bond is expected to be more polar than an H-I bond.
*January 4, 2011*

**Physics Grade 11**

thank you bob pursley :)
*January 4, 2011*

**Physics Grade 11**

A certain force causes an object to acceleration with an acceleration of 6.85 m/s/s. If the mass is increased by a factor of 2.64 and the force is increased by a factor of 3.85 , what is the new acceleration that the object will experience?
*January 4, 2011*

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of this compound?
*December 13, 2010*

**Taxation**

"Sally W. Emanual had the following dividends and interest during the current year. Acorn Corporation bond interest $700 City of Boston bongs interest 1,000 Camp Bank interest 1,250 Jet Corporation dividend(Qualified) 1,300 North Mutual fund Capital gain distribution 100 ...
*December 10, 2010*

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?
*December 9, 2010*

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?
*December 9, 2010*

**statistics**

Which statistical test woul you use to assess whether or not there is a relationship between the variables SEX and HOURLY WAGES?
*December 8, 2010*

**environmental chemistry**

PHcatalyzed reaction, NH3 + HOCl --> NH2Cl + H20 , how do I plot log k_obs vs pH? NH4 + HOCl --> NH2Cl + H20 rate expression : d(NH2Cl) / dt = k_obs (C_T,N)(C_T,OCL) assume (C_T,N) and (C_T,OCL) concentrations are constant pKa for NH4+ = 9.3 pKa for HOCl = 7.5 any and ...
*December 3, 2010*

**geometry**

Hi Kaylon, This is cheating. Do your own FLVS homework. If you don't know how, ask your teacher.
*December 2, 2010*

**Physics**

A bat emits a chirping sound of frequency 67.0 Hz while moth hunting. The chirp lasts for 1.0 ms and then is silent. The beginning of the echo returns just after the outgoing chirp is finished - how close to the moth is the bat? Assume a cool night with air temperature of 10 ...
*November 30, 2010*

**calculus**

Suppose a scooter travels at a velocity of v(t)= 8t meters/hour. Then the TOTAL distance traveled by the scooter over the first 2 hours is?
*November 28, 2010*

**HEALTHCARE**

How does the specialization of providers and hospitals affect continuity of care?
*November 24, 2010*

**math**

nevermind.
*November 21, 2010*

**math**

A=P(1+nr); find r
*November 21, 2010*

**chemistry**

is it? M1V1=M2V2?
*November 17, 2010*

**chemistry**

What volume of 9.54M sodium chloride solution must be added to the correct amount of water to produce 750. mL of a .327 M sodium chloride solution?
*November 17, 2010*

**Trigonometry**

1. (cotè+1)(cscè-1/2)=0 2. sin²è-cos²è=1+cosè
*November 15, 2010*

**math**

use distributive property: (5x*6x)-(5x*7) 30x^2-35x
*November 15, 2010*

**math 050**

*simplify
*November 11, 2010*

**math 050**

3*10=30 x/30=10/25 Cross multiply: 25x=300 Divide both sides by 25: x=12 To check, plug in 12 for x 12/30=10/25 Simpligy: 2/5=2/5
*November 11, 2010*

**math 050**

2/3=x/42 Cross multiply: 84=3x Divide both sides by 3: x=28 Plug in 28 for x. 2/3=28/42 simplify 28/42 which is 2/3
*November 11, 2010*

**math**

0.006, 0.43, 0.6, 0.9
*November 11, 2010*

**ALgebra**

4z-[23-5(3z-2)] Use distributive property: 4z-[23-15z+10] Subtract what's in the brackets: 4z-23+15z+10 Add like terms: 19z-33
*November 11, 2010*

**Trigonometry**

I put that in but it said the answer was 36-25ã2/23 any idea how that works?
*November 8, 2010*

**Trigonometry**

Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a<-pi; tan b = -sqrt2, pi/2<b<pi identity used is: tan(a-b)=(tan a-tan b)/1+tan a tan b simplify answer using radicals. (a is alpha, b is beta)
*November 8, 2010*

**algebra**

sorry. 2x=-20 x=-10
*November 8, 2010*

**algebra**

4x-8=12+6x -8=12+2x -20=x
*November 8, 2010*

**math**

63/87.5=.72 .72*100= 72 Answer is about 72 million
*November 8, 2010*

**math**

21,854,374/100=218,543.74 Korean: 218,543.74*12.4=2709942.376 which will just be 2709942 WWII: 218,543.74*10.7=2338418.018 which will just be 2338418 Then subtract: 2709942-2338418=371524.
*November 8, 2010*

**6th grade**

Answer is $209. 114.95/55=2.09 2.09*100=209 Checking: 209/100=2.09 2.09*55=114.95
*November 8, 2010*

**geometry**

are DE and GJ equal? If so: 4x+5=3x+25 4x=3x+20 x=20 4(20)+5=85
*November 6, 2010*

**Porter model**

Identify the competitive forces in Porterâ€™s model. What affect might these forces have on a business? What can a business do to respond to these forces?
*November 4, 2010*

**Math Calculus**

A firm finds that it can sell all the radios it manufactures st a price of $75 each. If x radios are manufactured each day and C(x)=x^2 +25x +100 is the daily total cost of production, how many radios should be produced each day for the firm to maximize daily profit? What is ...
*November 3, 2010*

**chemistry**

The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small ...
*November 3, 2010*

**Physics**

What is the pressure difference required to make blood flow thru artery of inner radius 2.0 mm and length 0.18 m at a speed of 5.6 cm/s? I used P1-P2 = speed*8*n*L/r squared n = viscosity of blood = 4 x 10e-3 L = .18 m r = 2 x 10e-3 m When plugged in I get P1-P2 - 80.64 Pa but...
*November 2, 2010*

**college**

how much enery is necessary to heat 1.0kg of water from room temperature to the boiling point?
*October 28, 2010*

**science**

How many grams of solid product can be produced by mixing 45.6 grams of chlorine gas with excess sodium metal?
*October 25, 2010*

**Simple and complete subjects**

What is the simple subject in this sentence? The main character's name is Yeh-Shen.
*October 20, 2010*

**Simple Subjects**

Mrs. Marcus
*October 19, 2010*

**Chemistry**

The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02 molecules of water but need to verify my answer (...
*October 17, 2010*

**chemistry**

how to obtain calcium sulfate salt from the starting compound calcium carbonate? outline the steps taken.
*October 10, 2010*

**algebra**

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 30. The range will be any five integers between -20 and 20. Why does your example not model a function?
*October 5, 2010*

**Phisic mechanic**

A) 1/2mv^2 - 1/2 mv^2= work The first is the final KE The second is the initial KE which = 0 since it was at rest
*October 4, 2010*

**biology**

The only thing my biology teacher told us about the NADP (in photosynthesis light dependent reaction) is that it's a bus driver. Why is it a bus driver? Is it cos it collects the H+ ion into the light independent reaction (NADPH) then "drops" it off and returns ...
*October 1, 2010*

**social studies**

what kind of landform covers the central part of North America
*September 26, 2010*

**Math**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16
*September 22, 2010*

**8th grade**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16
*September 22, 2010*

**pyschology**

What are the differences between Carl Rogers Humanistic theory and Alfred Adler Individualism. What are the similarites between the two
*September 22, 2010*

**basic chemistry**

how do I find the ratio of when to solutes completely react?
*September 21, 2010*

**statistics**

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of ...
*September 9, 2010*

**statistics**

In a research study with an effect size of .20, the populations of individuals have an overlap of about:
*September 9, 2010*

**math **

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...
*September 9, 2010*

**statistics**

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...
*September 9, 2010*

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