Sunday

September 21, 2014

September 21, 2014

Total # Posts: 2,073

**math college**

POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m
*March 14, 2011*

**science**

how many half-lives have passed if 87.5% of a substance has decomposed? how many if 99.999% has decomposed?
*March 14, 2011*

**math**

POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m
*March 9, 2011*

**statistic**

Given a normal population with ì = 40 and ó = 8, what is the probability of obtaining a sample mean between 39 and 41 for a sample of n = 16 scores?
*March 9, 2011*

**English**

POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m
*March 8, 2011*

**algebra**

write an equation for the line parallel to the x axis through the point 7,2
*March 8, 2011*

**statistics**

POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m
*March 6, 2011*

**Advance Finance**

The Howland Carpet Company has grown rapidly during the past 5 years. Recently, its commercial bank urged the company to consider increasing its permanent financing. Its bank loan under a line of credit has risen to $250,000, carrying an 8 percent interest rate. Howland has ...
*March 6, 2011*

**helppppp :)**

more than 7 points plzzzzz
*March 1, 2011*

**helppppp :)**

how can we help african people who is having a hard time with poverty? :)
*March 1, 2011*

**constellations;)**

could you tell me the story of aries?? i wantta knoww^^
*February 28, 2011*

**chemistry**

pH=11.1, so pOH is 14-11.1=2.9
*February 26, 2011*

**reimbursement methodology**

Differentiate between the official coding guidelines for using V codes in an inpatient and outpatient settong
*February 23, 2011*

**home economics**

compute the price elasticity of demand for paint and show calculations? If a gallon of paint went from 3.00 to 3.50 a gallon and the usage of paint drops from 35 gallons a month to 20 gallons a month.
*February 20, 2011*

**mathh help plzzz**

the perimeter of a rectangle is 3.5 times the legth. the width is 2.5cm less than the legth. what is the width?
*February 20, 2011*

**science check plzzzzzzzzzz**

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
*February 17, 2011*

**science check plzzzzzzzzzz**

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
*February 17, 2011*

**science check plzzzzzzzzzz**

if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...
*February 16, 2011*

**maths**

maximise p=15x+10y
*February 16, 2011*

**math**

candie since u r ask to find the y coordinates then the coordinates given must be x so substitute the x values in the equation and solve example.place -9 for x annd solve u will get the frist y coordinate then -3 then 6 ok
*February 16, 2011*

**math**

maximise p=15x+10y
*February 16, 2011*

**math**

a negative + a negative =a negative answer ex.-+-=- -x-=+ -x+=- so -25+(-16)= -25-16=-41
*February 16, 2011*

**alg**

9x +5y=34 8x-2y=-2 solve by elimination
*February 15, 2011*

**alg**

9x +5y=34 8x-2y=-2 solve by elimination
*February 15, 2011*

**STATISTICS**

Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. A recent survey of eight private ...
*February 15, 2011*

**math **

A student planning her curriculum for the upcoming year must select one of four business courses, one of four mathematics courses, two of ten elective courses, and either one of four history courses or one of four social science courses. How many different curricula are ...
*February 14, 2011*

**international business**

what effect might the economics socioeconomic forces wthin south korea have on a products potential
*February 14, 2011*

**Economics**

i also agree
*February 14, 2011*

**geometry**

If AB is opposite AC and AC is opposite AD , what can you conclude? Explain.
*February 14, 2011*

**helpppppp**

what role do insulators play in preventing electric shock?
*February 14, 2011*

**helpppp science 7**

what role do insulators play in preventing electric shock?
*February 13, 2011*

**helpppp science 7**

what role do insulators play in preventing electric shock?
*February 13, 2011*

**fin 200 **

i am really confused on what numbers to use to get the calculations on the 13 ratios
*February 10, 2011*

**fin 200 **

using the financial statements for the goodyear calendar company calulate the 13 basic ratios
*February 10, 2011*

**chemistry**

A 20.2g chunk of magnesium metal reacts with 13.7 g of oxygen gas to make magnesium oxide. Write the balance equation.
*February 9, 2011*

**Science/ Physics**

An airplane is traveling km/h in a direction 41.5 degrees west of north. (a) find the cmpopnets of the velocity in the northerly and westerly directions. (b) How far north and how far west has the plane traveled after 3.00 h?
*February 9, 2011*

**english**

can u find the climatic sentences in the poem Africa by David Diop
*February 9, 2011*

**management information system**

Thanks Ms. Sue
*February 8, 2011*

**management information system**

Is spyware ethical? why or why not?
*February 8, 2011*

**chemistry Please Help Dr.BOB**

Complete hydrolysis of 25 mM ethyl acetate in an enzyme (i.e., esterase)-catalyzed reaction is carried out in a 40 mM NaCl solution buffered by 0.2 M Tris-Cl, pH 9.1. What is the pH at the end of the reaction? (For Tris base, which is the abbreviation for Tris (hydroxymethyl) ...
*February 7, 2011*

**Calculus**

.00092
*February 6, 2011*

**algebra**

The length of the side of a rectagular desk is given by 9x-2y cm. The length of the front is given by 9x+2ycm. What is an algebriac expression for the area of the top of the rectangular desk? Including correct units
*February 3, 2011*

**algebra**

(x^8+8)(x^9-^2)
*February 1, 2011*

**algebra**

convert decimal notation 5.166x10-^8
*February 1, 2011*

**Algebra**

(4x^6)(-3x^9)(6x^7)
*February 1, 2011*

**3rd grade math hw help!**

How can I do 5 1/4 line segment
*January 31, 2011*

**Physics**

Two charged particles exert an electrostatic force of 8 N on each other. What will the magnitude of the electrostatic force be if the distance between the two charges is REDUCED to one-third of the original distance? Would you just have to multiply 8 by 9?
*January 31, 2011*

**3rd grade math**

Thanks for the suggestion. I think my son got the idea on what to do.
*January 30, 2011*

**3rd grade math**

What patterns help you divide? DRaw a picture or make a chart to show how to divide 1600 by 4. Give the quotient. We know the answer but having trouble to make a chart to show the outcome. Please help. Thanks in advance
*January 30, 2011*

**chemistry**

What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???
*January 26, 2011*

**chemistry**

What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???
*January 26, 2011*

**chemistry**

what is the molarity of a solution when you ha 2mole of ammonium chloride (AgNo3) in 1L?
*January 26, 2011*

**Intermediate Accounting**

I am having a hard time calculating this my question is On April 1, 2011, the company paid an insurance company $4,000 for a two-year fire insurance policy. The entire $4,000 was debited to insurance expense. How do I calculate?
*January 25, 2011*

**statistics**

For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of ...
*January 24, 2011*

**statistics**

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.
*January 24, 2011*

**reimbursment methologies**

when coding late effects, the code for the what is usually sequenced first
*January 24, 2011*

**math**

To make 5 sets of curtains, when each set requires 2'1/3 yards, how many of material are needed ?
*January 18, 2011*

**physics**

A 15kg model plane flies horizontally at a constant speed of 12.5 m/s and the kinetic energy is 1171J and the potential energy is 3000J what is the new horizontal velocity? Please show work and explain.
*January 17, 2011*

**Business**

I am trying to write a 1500 words review of two articles that are discussing ethical perspectives or business ethics for two countries. Each article must contain info. on a different foreign country on a different continent; for example, if the first article you select ...
*January 16, 2011*

**Chemistry Lab**

Penicillin is an important antibiotic isolated from a type of mold. If you have 0.0468 g Penicillin, C14H20N2SO4MW = 31239 gmol , answer the following questions. A. How many moles of Penicillin do you have? B. What is the number of moles of nitrogen that are present? C. What ...
*January 11, 2011*

**math**

how to mixed #s or whole #s 18/7
*January 11, 2011*

**Science**

Which of the following are involved in the clotting process? 1. platelets 2. neutrophils 3. fibrinogen
*January 10, 2011*

**Science**

Improper functioning or regulation of which of the following might lead to poor regulation of the membrane permeability? 1. albumin 2. fibrinogen 3. platelets 4. lymphocytes 5. chloride ion levels
*January 10, 2011*

**language**

What is the adjective for the question, Some hawk's eyes are yellow.
*January 6, 2011*

**Math**

you use a rectangular piece of cardboard 20 in by 30 to construct a box. you square the sides x in. from each corner of the piece of cardboard and then fold up the sides to form the bottom. A. write a function A to represent the area of the base of the box in terms of x. B. ...
*January 4, 2011*

**MATH PRE-ALGEBRA**

yes! if it is addition or subtraction you have an open dot! if it multiplication or division than a closed dot!
*January 3, 2011*

**Algebra**

factor trinomial This is what I have so far dont know where to go from here 4h^2 + 8h - 5 (4h^2-2h) + (10h-5) 2h(h-5) + -5(2h-1) cant figure out what to do next
*January 1, 2011*

**Algebra**

I checked it and that is how it is on the worksheet I couldn't get it to work out either
*January 1, 2011*

**Math**

2 4/7
*December 29, 2010*

**us history**

what are the similarties and differences of philosophies in the Articals of confederation and the constitution
*December 28, 2010*

**geology**

... Refer to Figure 9.21 on p. 264 of the text. How would you determine the slope of the land surface in this figure?
*December 27, 2010*

**Chemistry **

I converted 22 min into second -lnx= 4.17E-4 *1320seconds -ln100 lnx=4.0547 x=E^4.0547 x=57.67 100-57.67=42.33%
*December 25, 2010*

**Chemistry **

The K comes from dividing it by 212seconds
*December 25, 2010*

**Chemistry **

k- 4.17E-4 A-ln100/27)/4.17E-4 t=52min B= (ln100/x)=4.17E-4*22 lnx=4.0547 e^94.0547)=57.667 100-57.667 =42% Thank you
*December 25, 2010*

**Chemistry **

The decomposition of ehtane, C_2H_6, is a first-order reaction. It is found that it takes 212seconds to decompose 0.00839M C_2H_6 to 0.00768M. A. How long in minutes will it take to decompose ethane so that 27% remain B. What percentage of ethane is decomposed after 22minutes?
*December 25, 2010*

**Chemitry **

Thank you
*December 25, 2010*

**Chemitry **

I understand how to get the Constant but I don't get how you know that it is a 17% increase?
*December 25, 2010*

**Chemitry **

If he activation energy of a reaction is 4.86Kj, then waht is the percent increase in the rate constant of a raction when the temperature is increased from 45 to 75C
*December 25, 2010*

**math**

If you add 9 to me and then subtract 6, you get 7. What am I?
*December 21, 2010*

**stastics**

I'm having a hard time with question, can someone help me? A random sample of medical files is used to estimate the proportion p of all people who have blood type B. If you have no preliminary estimate for p, how many medical files should you include in a random sample in ...
*December 19, 2010*

**statistics**

Finish times (to the nearest hour) for 59 dogsled teams are shown below. Draw a histogram. Use five classes. 261 269 236 244 280 296 284 297 290 290 247 256 338 360 341 333 261 267 287 296 313 311 309 309 299 303 277 283 304 305 286 290 286 287 297 299 332 330 309 326 309 326 ...
*December 19, 2010*

**science**

The average solar radiation incident on the surface of the earth is about 1 KW/m2 for the entire year. A solar house is built with solar panels installed in the roof to provide the heating and electrical energy of the house. If the roof has a surface area of 100 m2 and the ...
*December 12, 2010*

**soc 120**

1 32
*December 12, 2010*

**Chemistry**

25.26 g
*December 11, 2010*

**adult education**

describe why it is important to consider each domain in the study of adult development, provide an example of how one domain of development impacts the other two.
*December 10, 2010*

**ant101**

How does the identification of cultural universals impact our understanding of what it means to be human? How does the search for universals help us better understand human cultural behavior? What examples from your own culture can illustrate the ideas that our behaviors are ...
*December 9, 2010*

**word problem**

bought a jumbo box of candy. by the time i got home kids ate 1/4 of candy. Put groceries away and another 1/2 of what was left was eaten. Before dinner ate another 1/6 of what was left. Now there are 10 candies left. How many chocolates were in the box to begin with.
*December 9, 2010*

**physics**

block a of mass 4kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650n/m. the other end of the spring is attacked to a wall. the block is pushed toward the wall until the spring has been compressed a distance x...
*December 6, 2010*

**physics**

A 0.280-kg volleyball approaches a player horizontally with a speed of 15.0 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s. a)what impulse is delivered to the ball by the player? b)If the player'...
*December 5, 2010*

**language**

grendel is feared and hated because he: A)smells badly B) destroys crops C) eats men D) chases children.
*December 3, 2010*

**reimbisement methodologies**

You're an HMo director. you would like to ensure that your managed care plan is meeting industry standards. what is one way that you can do this?
*December 1, 2010*

**Finance**

A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of $275. Find the yield rate if the price of the bond is 6,500.
*November 28, 2010*

**Finance**

A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of $275. If the yield rate is 7%, find the price of the bond.
*November 28, 2010*

**Finance**

A company issues a 10,000 par value 10-year bond with 8% annual coupon payments. If the yield rate is 6%, calculate the price of this bond.
*November 28, 2010*

**general psychology**

What did Felicia do to cope with her sources of stress?
*November 28, 2010*

**medical billing and coding**

you work in a physcians office performing billing. You notice that guidelines haven't been followed accurately in completing the claim form. what will happen if you don't correct the claim form?
*November 28, 2010*

**6th grade**

rectangular prism: height 7 feet, width 4 feet and length 3 feet Find the volume Cylinder: radius 3.5 feet and height 7 feet Find the volume Van cargo space measures 8 feet tall by 5 feet wide by 13 feet deep. find the volume instruments will take up about 37 cubic feet Based ...
*November 27, 2010*

**math**

the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface area part 2: dimensions of the cylinder are height 7 feet and radius 3.5 feet solve with a decimal then round to the nearest half foot. part 3 you have 1 gallon of paint ...
*November 27, 2010*

**english**

After completing the required readings for this week, discuss how you see the theme of creating art developing in the different stories and poems. What did you learn about the human impulse to create? Give examples from one of the stories and at least two of the poems that you...
*November 25, 2010*

**math**

If the total number of coins collected is $6.70 and the total number of nickels is .55, What is the fraction of nickels to the total number of coins?
*November 22, 2010*

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