Thursday

October 27, 2016
Total # Posts: 1,039

**Chemistry**

A 1.994-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO_4_, is heated at a temperture greater than 170 degrees C in a crucible until a constant mass is reached. The mass of the anhydrous CaSO_4_ salt is 1.577g. What is the mass percent of water in the hydrated ...

*October 4, 2010*

**3rd grade math**

draw a number line. make sure the following numbers are on the line: 1,472; 1,560, 1,481

*September 28, 2010*

**college (media culture & society)**

I need to elaborate on the points below: Mtv & popular culture: 1. testing ground for film techniques 2. promotes film not just music 3. introduces female performers, resistance and identity. 4. ground for social activism 5. standard in the advertising industry 6. addoptive ...

*September 25, 2010*

**math**

Kelly subtracted 2.3 from 20 and got 17.7. Explain why this answer is resonable.

*September 21, 2010*

**Physics**

your wrong you have to convert to kilograms first because that is the SI unit for Newtons. So maybe you need a tutor

*September 16, 2010*

**midway**

How do you write 67,000 in expanded form?

*September 15, 2010*

**reimbursement methodologies**

you're reviewing reimbursement for a Medicare surgical craniotomy case. the case falls into DRG 1, which has a relative weight of 3,0970 and a geometric mean length of stay of 6.3. the hospitals's current standard reimbursement rate $1500. calculate the DRG ...

*September 12, 2010*

**World Studies**

What is the region of North America where the vikings landed?

*September 6, 2010*

**Math **

a ball rebounds 1/2 of the height from which it is dropped. The ball is dropped from a height of 136 feet and keeps on bouncing. How far will it traveled when it strikes the ground the third time?

*August 29, 2010*

**college**

How do I download the ABC Health HIM organizational chart?

*August 20, 2010*

**statistics**

Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your answer to three decimal ...

*August 20, 2010*

**statistics**

Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. Suppose a random sample ...

*August 20, 2010*

**statistics**

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29 a. 84.20 b. 67.36 c. 101.00 d. 88.84 e. 126.25

*August 20, 2010*

**statistics**

Consider the data that was obtained from a random sample of 45 credit card accounts. Identify all the averages (mean, median, or mode) that can be used to summarize the outstanding balance on each account. a. mean, median, and mode if it exists b. only median if it exists c. ...

*August 20, 2010*

**science**

correct c - a metamorphic rock formed from shale is slate

*August 20, 2010*

**science**

b) crust

*August 20, 2010*

**statistics**

The director of the campus-computing center did a study to determine the patterns of student computer usage. He found that 15% of the total student computer hours occurred during the first 5 weeks of the term, 25% during the middle five weeks, and 60% during the last 5 weeks. ...

*August 20, 2010*

**statistics**

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

*August 20, 2010*

**statistics**

Given the following scatter diagram , the sample correlation coefficient r: Has a positive linear correlation Has a negative linear correlation. Has little or no correlation. Looks close to + 1.00

*August 19, 2010*

**math**

That's what I got too !!! May be it's a trick question - Thank you for trying

*August 19, 2010*

**math**

I have 10 boxes and 44 marbles .Can I put my marbles in the boxes so that each box contains a different number of marbles?

*August 19, 2010*

**statistics**

Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for the Vanguard Total Stock Index (all Stocks). Let y be a random variable representing annual return for the Vanguard Balanced Index (60% stock and 40% ...

*August 17, 2010*

**statistics**

What is meant by the 95% confidence interval of the mean ? That 95% of my sample is OK to do more tests. That I am 95% confident that the confidence interval will contain the parameter being estimated. That 5% of my sample is not OK. That I am 95% sure that the population mean...

*August 17, 2010*

**math**

find the z-score of 78.5%. This was all the info given for the question and i have no clue how to figure it

*August 13, 2010*

**Science**

The independent variable is D (The material the cups are made of). An independent variable is what is changed! The amount of water in each cup is the same...50mL, so that is the control group.

*August 4, 2010*

**english**

A project design has been approved by management. The engineering team is about to start production of the new line. I want to be sure this process goes by smoothly. I need to come up with a communication plan to address successful development and delivery of the new product

*August 2, 2010*

**History 1301**

How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe? Be specific. How were these differences important to the international state of affairs in 1450?

*July 19, 2010*

**us history**

after the war of 1812, What were the negative aspects of the new market economy? What were the positive aspects of the new market economy? How did the creation of a single market economy shape American values and the economy of today?

*July 17, 2010*

**us history**

In what ways did democracy create a new political culture? How did democracy impact social change?

*July 17, 2010*

**social studies**

after the war of 1812, What were the negative aspects of the new market economy? What were the positive aspects of the new market economy? How did the creation of a single market economy shape American values and the economy of today?

*July 16, 2010*

**social studies**

What were the negative aspects of the new market economy? What were the positive aspects of the new market economy? How did the creation of a single market economy shape American values and the economy of today?

*July 16, 2010*

**us history**

In what ways did democracy create a new political culture? How did democracy impact social change?

*July 16, 2010*

**calculus**

find and classify all local minima, local maxima, and saddle points of the function f(x,y)= e^-y(x^2+y^2)

*July 13, 2010*

**chemistry**

Have 0.02M of KIO3, what is the molaity of IO3?

*June 23, 2010*

**CAPITALIZATION**

Sorry I'm not sure at all

*June 14, 2010*

**CAPITALIZATION**

And father ?.

*June 14, 2010*

**Math**

how to round 427,685 to the nearest thousand?

*June 14, 2010*

**Managerial Accounting**

Tiger Golf Accessories sells golf shoes, gloves and laser-guided range finder that measures distance Below are unit cost and sales data. Shoes Gloves Range find Unit sales $100 $30 $250 Unit VC 60 10 200 Unit CM $40 $20 $50 Sales Mix 40% 50% 10% Fixed cost are $620,000 a.) ...

*June 13, 2010*

**Chemistry**

A lactic acid/lactate ion buffer solution contains 0.23 \it M \rm HC_3H_5O_3 and 0.65 \it M \rm C_3H_5O_3{}^-, respectively. The K_{\rm a} value of lactic acid is 1.4\times 10^{-4}. Calculate the \rm pH of this buffer.

*June 5, 2010*

**the power of art**

If Gianiorenzo Bernini's Apollo and Daphne were to be moved from the Galleria Borghese in Rome where it now stands into the Ufizzi Gallery, the most ideal place to install it would be A anywhere in a gallery, provided it was with other 16th century marble statues B on the ...

*May 15, 2010*

**British Literature**

Could you help: Compare and contrast Beowulf's speech with Sir Gawain's speech.

*May 12, 2010*

**college**

One side of a triangle is 2 cm shorter than the base. The other side is 3 cm longer than the base. What lengths of the base will allow the perimeter to be greater than 19 cm?

*May 9, 2010*

**Social Studies**

Does anyone know of any words from the Medieval times that starts with the letter "O"?

*May 1, 2010*

**Corprate Finance**

An initial investment of $400,000 will produce an end of year cash flow of $480,000. What is the NPV of the project at a discount rate of 20%?

*April 23, 2010*

**math**

The speed of a train A is 8mph slower than the speed of train B. Train A travels 230 miles in same time it takes train B to travel 270 miles. Find the speed of each train.

*April 21, 2010*

**chemistry**

what is the volume of 62.3 g of nitrogen gas at STP

*April 11, 2010*

**math 2**

if r=5z, then 15z=3y, then r= ?

*April 10, 2010*

**math**

paul paints a house in 4 hours, mike paints the same house in 6 hours. how long will it take them both to paints this house?

*April 8, 2010*

**3rd grade**

In analogies...What is the answer for this.ring is to sting as brick is to? what?

*April 5, 2010*

**Personal Finance Concepts**

How to set up the problem. Calculate the after-tax yields on the foregoing investments, assuming the Brittens have a 28% marginal tax rate. And they are going to purchase a condominium for $100,000 with an expected annual increase in market value = to 2%

*April 4, 2010*

**business law**

Task: Read the following two scenarios and explain for each scenario, all the torts that have been committed, any arguments that can be used as a defence or to limit liability, and likely liability which will be imposed on each of the parties. Scenario 1 Ramos, a local ...

*March 31, 2010*

**English**

I am assigned to write a formal essay focusing on the theme of "Mrs Turner Cutting the Grass". Are job is to support our argument with any of the following: plot structure, symbolism, irony, humour, pathos, style or foreshadowing. How do I go about this? Can anyone ...

*March 24, 2010*

**math**

I have a math problem where I am trying to carpet a hallway of an irregular shape.The cost of the carpet is $ 10.80 a sq.yd. How many square yds. will I need? I also need to know the perimeter for string molding. Can you help me. The measurements are 6ft,2ft,3ft,8ft,8ft,1ft,...

*March 24, 2010*

**math**

Which conic section is represented by the equation? x^2 - y^2 + 24x + 4y + 28 = 0.

*March 23, 2010*

**Calculus**

Hi there,could you help me with the following questions; 1.) Analyze the key features (any asymptotes, intercepts, critical points) and then sketch the graph of the function f(x)= x-0.25/x^2 --> I am unsure about my answers could you tell me if I am correct; Intercepts: x=0...

*March 22, 2010*

**math**

How do I convert the polar equation r - 3cos(theta) = 5sin to cartesian equation form?

*March 22, 2010*

**french**

What does solde A Payer Mean

*March 20, 2010*

**math**

How could thinking about 90 tens help you fing 1,901-297?

*March 19, 2010*

**math**

what is 3 plus 13

*March 7, 2010*

**math**

how many sides does a petagan have.

*March 7, 2010*

**schocial studies**

what do you draw for the sentence so many people are hungry and they don't have any food so a lot of people died.

*March 7, 2010*

**math**

How do I graph a circle with the center being (0, 5) that passes through (0, -5) and then find area a and circumference?

*March 4, 2010*

**English**

Analogy for INFINITE: END, would be the same as: wealthy:money blithe:happines abysmal:bottom contrite:repentance delectable:delight

*March 3, 2010*

**Math**

It is a problem on a page with polygons and generalizations.

*March 2, 2010*

**Math**

What do all of these numbers have in common? 3,5,7,11,13

*March 2, 2010*

**math**

i am thinking of a number between 20 and 50. it is an even number. it has exactly 9 factors. what is the number?

*February 23, 2010*

**reimbutsement**

services under the outpatient prospective system are paid based on?

*February 22, 2010*

**Algebra**

Part 1: Using the Library, web resources, and/or other materials, find the gas mileage of your dream car or any car of your choice. Let x be the number of miles driven on 60 gallons of gas. By setting up and solving a proportion involving x, find the value of x for the car ...

*February 19, 2010*

**5th grade**

About how many centimeters of eding does she need for a ribbon.

*February 16, 2010*

**math**

is this site free and you help my child with her math? she having a hard time with this subject

*February 15, 2010*

**History / English**

I did the reading, but the first one we have to do a web search and I checked all the sites she recommended and it's not on there. I think it would be all of the above, but it never said. The next one could be unreliable, since she's not like she's being described...

*February 10, 2010*

**History / English**

I can't find the answer to this anywhere! Help? What did Henry II do that solidified his power as king but led to economic problems and helped incite conflict with the church? - executed all bishops who were opposed to his rule - gave enormous financial gifts to the ...

*February 10, 2010*

**chemistry**

Benzene has a heat of vaporization of 30.72kJ/mol and a normal boiling point of 80.1 degrees C. At what temperature does benzene boil when the external pressure is 405 torr? how do i go about answering this question? i don't know where to start. am i supposed to use the ...

*February 7, 2010*

**English**

Thanks!

*February 7, 2010*

**English**

Alright. I'm supposed to respond to this, but I'm not really sure how to respond. Here it is: In one character we see a complex mix of what he is, what he is supposed to be, what he thinks he is, and how he is perceived by others. Trace the way Chaucer achieves this in...

*February 7, 2010*

**Chemistry**

I am given the following: 0.20 M BaCl2 0.60 M H2SO4 1 M of HCl Assuming that you are working with 1 mL of barium chloride, calculate the theoretical number of grams of barium sulfate that should be produced. what is the limiting reactant? so far i have BaCl2 (aq) + H2SO4 -->...

*February 5, 2010*

**Math**

If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a? so far i have -3=x^2+4x i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?

*January 20, 2010*

**American Government**

I've read my book and still can't find the answer to this question. I need an explanation so I can study for my midterm coming up. Help please? Describe two ways the federal bureaucracy helps to shape laws passed by Congress.

*December 25, 2009*

**English**

An example of how building an empire can lead to a war is Germany's attempt on taking over Europe --> Germany's attempt to take over Europs is an example of how building an empire can lead to war. When two neighbor countries try to build an empire, their expansion ...

*December 25, 2009*

**MATH**

Hmm. I think you'd need 3. Say you got the two fake ones in a row. You can't really go off of that since you have nothing to compare it to. So, you'd have to weigh a third to see if they were the real coins or the fake ones. Make sense?

*December 23, 2009*

**Algebra**

The width of a rectangle is fixed at 19 cm. What lengths will make the perimeter greater than 82 cm. The length must be greater than ___ cm

*December 20, 2009*

**business**

have buyers become more price-conscious now that websites give competitive information about price and coupon for product availiable

*December 17, 2009*

**8th grade science**

What law states that unlike charges attract each other while like charges repel each other?

*December 17, 2009*

**computers**

How are information system's used?

*December 14, 2009*

**Health Psychology Committee Report**

i just wanted to know can i use the same stuff from what i wrote at the beginning from the final project:health psychology commitee report

*December 13, 2009*

**8th grade**

how do you do 9-y=1.5x?

*December 10, 2009*

**college Math**

Z<-1.25)=(1-.1056)=0.8944 P-value of 0.894<0.05 Reject?

*December 7, 2009*

**English - Tone**

Would anyone want to help me figure out the tone of this poem? Since there's no help, come let us kiss and part. Nay, I have done, you get no more of me. And I am glad, yea glad with all my heart That thus so cleanly I myself can free. Shake hands forever, cancel all our ...

*December 2, 2009*

**Literature**

You might want to expand & add more evidence, but I like it.

*December 2, 2009*

**Math-due today, need a check**

-8×+6y=24 find the x and y intercepts

*December 2, 2009*

**English**

Huh. It said that particle is spondee. This is pretty hard -_- but thanks for the help :) I think I'm getting it a little bit.

*December 1, 2009*

**English**

Alright, here goes nothing. Particle is troche, the process is scansion. Mary ate a little lamb chop is trochaic pentameter. This line of poetry uses metric variation by substituting which of the following feet for the last foot in the line? Mary ate a little lamb chop. is ...

*December 1, 2009*

**English**

I'm having a hard time with the meter & feet part of my work today. I just don't really get it. Help me with the practice/study questions? (I put a star by the one's I think are right, but the last few I just have no idea.) What metric foot is represented by this ...

*December 1, 2009*

**Math**

I have to use the elimination method to solve this system of equations but, I just do not get it. x+y=42 255,000x+300,000y=10,350,000

*November 20, 2009*

**Math**

The representative tells you that floor plan #1 sells for $225,000 and floor plan #2 sells for $300,000. She also mentions that all the available houses combined are worth $10,350,000. Write an equation that illustrates this situation. Explain. Use the same variables you used ...

*November 20, 2009*

**Math**

a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain

*November 20, 2009*

**Math**

Oh! I get it now! Thank you so much!

*November 20, 2009*

**Math**

The next question is: The sales representative later indicates that there are 2 times as many homes available with the second floor plan than the first. Write an equation that illustrates this situation. Use the same variables you used in part a. Explain your reasoning. Would ...

*November 20, 2009*

**Math**

a) The sales representative informs you that there are two floor plans still available, and that there are a total of 72 houses available. Use x to represent floor plan #1 and y to represent floor plan #2. Write an equation that illustrates the situation. Explain

*November 20, 2009*

**Geometry**

What is the definition for Plane???

*November 19, 2009*