Tuesday

February 28, 2017
Total # Posts: 1,067

**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*

**Math/Geometry Vocab**

What is the definition for INTERSECTING LINES?

*November 19, 2009*

**Physics**

Particle 1 of mass 240 g and speed 3.20 m/s undergoes a one-dimensional collision with stationary particle 2 of mass 400 g. (a) What is the magnitude of the impulse on particle 1 if the collision is elastic? _____kg·m/s (b) What is the magnitude of the impulse on ...

*November 18, 2009*

**Math**

Lisa needs to make 2 times as many tuna as cheese sandwiches and 4 times as many ham as cheese sandwiches. If Lisa makes 56 sandwiches, how many of each of the 3 kinds will she make?

*November 17, 2009*

**5th grade Math**

Guy

*November 17, 2009*

**5th grade math**

I don't know

*November 5, 2009*

**American Government**

What influences might cause a member of the House to vote against the wishes of the people in his or her district? I have this question for a study question in government and I'm pretty lost. The only things I can think of are money issues or because they were influenced ...

*November 4, 2009*

**Foreign Languages**

I love you = Je t'aime My love = mon amour

*November 4, 2009*

**Physics**

A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.1 m) while a constant force acts on it. The force has magnitude 2.4 N and is directed at a counterclockwise angle of 100° from the positive ...

*November 4, 2009*

**2nd grade math**

I have fewer ones than tens. The value of my tens is 20. What two numbers can I be?

*November 3, 2009*

**Physics**

A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.1 m) while a constant force acts on it. The force has magnitude 2.4 N and is directed at a counterclockwise angle of 100° from the positive ...

*November 2, 2009*

**Physics**

If a Saturn V rocket with an Apollo spacecraft attached has a combined mass of 2.6 105 kg and reached a speed of 11.2 km/s, how much kinetic energy would it then have? _____J

*October 30, 2009*

**Calculus BC**

Can someone help me differentiate this? f(x)= 2cos(5 ln(x)) So what is f'(x)?

*October 29, 2009*

**Physics**

A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.18. (a) What is the minimum magnitude of the force F, parallel to...

*October 28, 2009*

**English Comp**

Do I need to capitalize: Initiated and implemented the Stress Echo program. I performed Echocardiogram at this site.

*October 28, 2009*

**SCIENCE**

Photosynthesis produces most oxygen in air. Photosynthesis produces glucose and oxygen. grasshopper arrow snake arrow hawk. The hawk is the second level because even the grasshopper could have an arrow pointing to the hawk.

*October 28, 2009*

**Business**

Liabilities.

*October 27, 2009*

**Business**

financial statements

*October 27, 2009*

**criminal justice**

what guidelines are less important to a business document but more important to an academic

*October 27, 2009*

**English**

I need help paraphrasing Canto I by Ezra Pound. I have to write it in paragraph form and I can't leave anything out. I'm having trouble with a few lines. "And then went down to the ship, Set keel to breakers, forth on the godly sea, and" "Circe's ...

*October 23, 2009*

**Microeconomics**

Consider public policy aimed at smoking a.) Studies indicate that the price elasticity of demand for cigarettes currently costs $2 and the government wants to reduce smoking by 20%, by how much should it increase the price? b.) If the government permanently increases the price...

*October 21, 2009*

**physics**

133.35

*October 19, 2009*

**history**

the political and social outcomes of the end of the Vietnam War

*October 15, 2009*

**Math**

The greater of two numbers is 1 less than three times the smaller. If 3 times the greater is 5 more than 8 times the smaller, find the number.

*October 14, 2009*

**AP Lit - Cantos I by Ezra Pound**

Why did Ezra pound choose Canto 1 to be the first poem of his Cantos? And also, why did he end his poem with "so that?" I don't really know the first one. It could be because it sets up the whole story line for the second two possibly. The second one, I was doing...

*October 10, 2009*

**Animal Farm-English**

Has anybody read Animal Farm? What animal hides during the Battle of the Cowshed?? I can choose from Mollie,Jessie,Clover,or Boxer..I think its Jessie-help

*September 27, 2009*

**English - Oedipus Rex**

I have to find evidence to support which character I think it the most guilty for what happens to Oedipus. I was just wondering if anyone knows whether or not Sophocles is trying to point the finger at someone other than Oedipus, who I think is the most guilty. My reasons are ...

*September 23, 2009*

**Math**

Give an equation of a line perpendicular to the line y=4x having the same y-intercept.

*September 15, 2009*

**algebra**

Here is the question. Find 5% of 70 trillion (I know it's 3,500,000,000,000). Express in terms of millions, billions, and trillions. That's the part I don't understand. Do they want scientific notation do you think? 3.5* 10^12 for trillions but how is that ...

*September 14, 2009*

**math**

This is for ms. sue Thank you. I did get 3,500,000,000,000 however, in your answer you didn't mention millions. I assumed the question wanted scientific notation.

*September 14, 2009*

**algebra**

Find 5% of 70 trillion. Express in terms of millions, billions, and trillions.

*September 14, 2009*

**math**

soybean meal is 18% protein, and cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360lb mixture that is 17% protein. how many lbs should be cornmeal and how many lbs should be soybean be?

*September 12, 2009*

**4th grade aliteration**

I need an aliteration for cobra

*September 10, 2009*

**Psychology - Collective Unconscious**

I'm supposed to make a PowerPoint about the collective unconscious of my culture, but I just don't understand the idea of it. What exactly are some of the collective unconscious symbols?? It didn't really explain it in the textbook...

*September 10, 2009*

**check geo**

Correct and I'm pretty sure that's correct also

*September 10, 2009*

**Math**

Thank you! :)

*September 8, 2009*

**Math**

I have no idea how to start. I cannot remember how to solve this for anything. 3x/4+6=-12

*September 8, 2009*

**Math**

Thank you! :)

*September 8, 2009*

**markings on jewelry**

It is Uncas Mfg.

*September 7, 2009*

**Statistics**

Can a categorical variable be an outlier? Ex...If students in a class was asked what color their hair color was and most said brown or blonde but one replied white is this person considered an outlier?

*September 4, 2009*

**Math**

A cylinder has a diameter of 6 ft and a height of 3 ft. Find its surface area and volume.

*September 3, 2009*

**Statistics**

The lifetime of a 2-volt non-rechargeable battery in contant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than ?

*September 2, 2009*

**Statistics**

The lifetime of a 2-volt non-rechargeable battery in contant use has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. Ninety percent of all batteries have a lifetime less than ?

*September 2, 2009*

**language arts**

What is the subject in this sentence? "The mean boy tricked the little girl."

*August 31, 2009*

**9th Algebra**

Quadratic functions quest

*August 25, 2009*

**9th Algebra**

y=-2x^2-3

*August 25, 2009*

**English**

Does this sound better with two adverbs in it? John finished the paint job very efficiently.

*August 3, 2009*

**English**

Does this sentence sound right? I need to use two adverbs in a sentence. John quickly ran across the bridge.

*August 3, 2009*

**Math**

Thank you!

*July 29, 2009*

**Math**

57-x=29 x=57-29 x=29+-57 x=28 Did I do that right?

*July 29, 2009*

**Math**

If the oldest individual in an office is 57 and the range of employee ages is 29, what is the age of the youngest person in the office? Can someone help me get this started?

*July 29, 2009*

**physics**

how can the notion of symmetry be used to estimate the number of marbles in a 1-liter jar

*June 24, 2009*

**math 156**

Post your response to the following: How are the concepts of the Greatest Common Factors (GCF), divisibility, and Lowest Common Multiple (LCM) used when computing fractions? Provide an example and demonstrate how the concepts are used.

*June 23, 2009*

**capitalization**

Than you

*June 1, 2009*

**Math**

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if they worked together to complete it?

*May 18, 2009*

**Statistics**

Ooops sorry! I forgot to mention the box has 4 tickets {1,2,3,4} and whenever you pick a ticket out of the box, you replace it so that the first draw has no change on the chance of getting any ticket in the second draw.

*May 4, 2009*

**Statistics**

You draw three tickets at random with replacement from the box. What is the chance that you draw at least one odd number? [Hint: A direct calculation of the chance might be hard, so Pascal and Fermat would subtract the chance of its opposite from 100%.] You draw three tickets ...

*May 4, 2009*

**math**

q-----p

*April 30, 2009*

**Economics**

Why would an economist use real GDP rather than nominal GDP to measure growth? Real GDP calculates the GDP for a longer period of time. Real GDP uses current prices to measure the year's output. Nominal GDP applies to only a small number of industries. Real GDP reflects ...

*April 14, 2009*

**Statistics**

Studies find a negative correlation between hours spent watching television and scores on reading tests. Does watching television make people less able to read? Probably, but this doesn't follow from the data. The studies are observational, and it might be that the ...

*April 14, 2009*

**History**

What cartographer held or had a stake in the Mount Vernon Furnace from 1878-1882?

*April 13, 2009*

**Chemistry**

Oxidation Numbers AlH(SO4)3 and the overall charge is -2 BaCr2O7

*April 12, 2009*

**Algebra 2**

Choose the equation that best represents an ellipse for the given foci and co-vertices. 1. foci (+-2, 0) co-vertices (0, +-4) 2. foci (+-3, 0) co-vertices (0,+-6) 3. foci (0, +-3) co-vertices (+-5, 0) Choose the equation for the hyperbola centered at the origin with the given ...

*April 12, 2009*

**Please proofread**

It's spelled Abraham Lincoln also.

*April 12, 2009*

**Physcis**

I would think D. Momentum depends on their weight, doesn't it?

*April 12, 2009*

**math**

$12,480

*April 11, 2009*

**statistics**

3. The following data shows expenditures (in millions of dollars) and case (sales in millions) for seven major soft drink brands. Show a scatter diagram of the data and describe in words what it tells you. Calculate the correlation coefficient and see if it backs up the ...

*March 25, 2009*

**descriptive Statistics**

Listed below are the number of homeruns for the National League leader over the last 20 years, through 2006. Assuming that number of homeruns is normally distributed, if this is sample data collected from a population of all past and future homerun leaders, test the claim that...

*March 25, 2009*

**Descriptive Statistics**

. Over the last 15 Major League Baseball seasons, the mean number of strikeouts by the American League leader is 258.5. Assuming that the number of strikeouts by the league leader is normally distributed and the standard deviation for all seasons in all leagues is 34.9, find ...

*March 25, 2009*

**Math**

A shoe box is an example of what geometric solid?

*March 22, 2009*

**Science**

Thanks for all your help

*March 21, 2009*

**Science**

Why would a more active cell need more mitochondria?

*March 21, 2009*

**Science please help**

Thanks for all your help

*March 21, 2009*

**Science please help**

What form is the energy turned into by a mitochondria? I need help with this question. thanks god bless

*March 21, 2009*

**math**

how many grams of NaC1 are in 100mL of NS solution?

*March 14, 2009*

**math**

Find the amount accumulated in the sinking fund if $1600 is deposited quarterly for 20 years at 6% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*March 9, 2009*