Friday

July 31, 2015

July 31, 2015

Total # Posts: 925

**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*

**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*

**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*

**math**

Find the amount accumulated in the sinking fund if $200 is deposited monthly for 14 years at 3% 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*

**Math**

You invest $10,000 in Rapid Growth Funds, which appreciate by 1% per year, with yields reinvested quarterly. By how much will your investment have grown after 6 years?
*March 9, 2009*

**Math**

You deposit $1000 in an account at the Lifelong Trust Savings and Loan that pays 7% interest compounded quarterly. By how much will your deposit have grown after 4 years?
*March 9, 2009*

**binomial random variables**

sorry cant help but you could try google
*March 1, 2009*

**math ws**

yes, but I am having difficulties
*March 1, 2009*

**Science-please help**

The gravitational force of the Earth acting on an object with more mass is stronger than the force on a smaller mass object of the same size, yet they both fall at the same rate of increasing speed (i.e. balls of different masses but with similar sizes fall to the ground at ...
*February 21, 2009*

**Chemistry**

In paper chromatography, why must the starting line be drawn with pencil? Thanks!
*February 21, 2009*

**math 6th grade**

I need to write the percent as a fraction in the simplest form. Please show me step by how to get 15% in the simplest form. Thanks !
*February 9, 2009*

**English Grade 11**

how to set up a outline on a short story
*February 8, 2009*

**history**

what makes the value of our money?
*February 5, 2009*

**government**

Compare and contrast Rupublican and Democracy
*February 5, 2009*

**analogies**

Thank you Ms.Sue!
*February 4, 2009*

**analogies**

broom is to sweep as brush is to a 5 letter word that begins with scr,spr,str,thr? Can you help? I have no idea?
*February 4, 2009*

**Pre-Calculus**

No, the sum of the cubes is 3 so its m+n=1 m^3+n^3=3
*February 3, 2009*

**Pre-Calculus**

If the sum of two numbers is 1 and the sum of the cubes of the numbers is 3, what is the sum of the squares of the numbers?
*February 3, 2009*

**7th grade science**

what is evolutionary divergence?
*February 1, 2009*

**English**

Thanks!
*January 27, 2009*

**English**

Does this sentence make sense? My mother's bedsheets has embroidery.
*January 27, 2009*

**government**

Yoto write back adela
*January 27, 2009*

**Calculus**

I did that and got 2... my friend said the answer is just 2/7. Is she right?
*December 20, 2008*

**Calculus**

Find dy/dx for: 2y^3 - 3xy = 4 Write an equasion for the line tangent to the curve at (1,2) Find d^2y/dx^2 at (1,2)
*December 20, 2008*

**biology - number of feet**

snails and slugs come closest although the 'foot' is an integral part of their body, not an appendage
*December 20, 2008*

**social studys**

The royalty is not focusing on the needs of the subjects
*December 20, 2008*

**biology**

what are the important differences between living and non-living things?
*December 13, 2008*

**math116**

i need answers to math 116 week 9 final exam. please help.
*December 13, 2008*

**social studies**

IF THE PRES. AND VICE PRES. DIE, WHO TAKES OVER?? SEC. OF STATE OR SPEAKER OF THE HOUSE?
*December 8, 2008*

**math (geometry)**

What color name written in capital letters, has two letters with two pairs of parallel lines, four of the letters have perpendicular lines and three letters have both parallel and perpendicular lines?
*December 8, 2008*

**Statistics**

I am having difficulty deciding which basic statistical test I should use to compare two means. I am comparing calorie consumption amongst people with different levels of physical activity. Is an independent two sample t-test acceptable?
*December 8, 2008*

**psy101**

A. Absorbibg neural impulses
*December 1, 2008*

**college algebra**

Lisa can shovel snow from her driveway in 50 min. Jim an do the same job in 55 min.How long would it take Lisa and Jim if they worked together?
*November 21, 2008*

**college algebra**

awesome. thanks I was trying to do r=d/t and wasn't getting it right.
*November 21, 2008*

**college algebra**

Kathy bicycles 5km/h faster than Javier. In the same time it takes Javier to bicycle 49km, Kathy can bicycle 63 km. How fast does each bicyclist travel?
*November 21, 2008*

**eco**

Assume that American rice sells for $100 per bushel, Japanese rice sells for 16,000 yen per bushel, and the nominal exchange rate is 80 yen per dollar. Suppose that rice is the only commodity in the world. What would happen to the real exchange rate between the United States ...
*November 19, 2008*

**8th grade physical sience**

I need help with the first part.
*November 17, 2008*

**Primary Source**

I am trying to find a primary source on Ferdinand Magellan. I understand that there are primary source book about him, but I need a primary source on the internet. I cannot seem to find one! Please help.
*November 9, 2008*

**calculus**

differentiate y = (cos x)/ (x^9)
*November 4, 2008*

**algebra**

simplifying using distributive property 2x+3y+2(x-y)-3x
*November 2, 2008*