Sunday

April 19, 2015

April 19, 2015

Total # Posts: 2,239

**Dr. Bob**

a gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapor. given the following data, determine (delta)HoF for hydrocarbon: (delta)Horxn=-2044.5kj/mol hydrocarbon (delta)HoF CO2= -393.5kj/mol (delta)HoF H2O = -242kj/mol denstity of CO2 and ...
*April 21, 2008*

**us history**

what reflects a governmental measure taken by the united states to encourage settlment in new areas?
*April 21, 2008*

**Literature**

1-20
*April 18, 2008*

**Accounting- Help Please**

Accounting Help-Preparing and posting journal entries; and preparing a trial balance.? Shelton Engineering completed the following transaction in the month of June. Received a bill for rent of equipment that was used on a recently completed job. The 1,200 rent must be paid ...
*April 16, 2008*

**Accounting - Please check me**

Indicate whether a debit or credit decreases the normal balance of each of the following accounts. Office Supplies- debit Repair Service Revenue- debit Interest Payable- debit Accounts Receivable- creditSalaries Expense- debit Owner Capital- credit Prepaid Insurance- debit ...
*April 8, 2008*

**Accounting**

Please double check me. Indicate whether a debit or credit decreases the normal balance of each of the following accounts. Office Supplies- debit Repair Service Revenue- debit Interest Payable- debit Accounts Receivable- creditSalaries Expense- debit Owner Capital- credit ...
*April 7, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

what is 7 over d+5 =10 over d+2
*April 6, 2008*

**Math**

Please help me with some good websites for the followung question. what industry is affected by the economy,such as the airline, automobile, home building, technological or gasoline?
*April 5, 2008*

**Physics**

09998/88
*April 4, 2008*

**sci**

Although most salamanders have four legs, the aquatic salamander resembles an eel. It lacks hind limbs and has very tiny forelimbs. Explain how limbless salamanders evolved according to Darwin's theory of natural selection.
*April 4, 2008*

**arithmetic**

I am having a problem with ratio's
*March 29, 2008*

**Math please check**

Identify the amount in the following application In a shipment if 1200 parts, 60 were found to be detective. What percent of the parts were faulty? a. 60 b. 1200 c. what percent d. shipment answer: c
*March 28, 2008*

**I was wrong**

the correct answer: B
*March 28, 2008*

**Math - double check me**

Kristi joggfed for 3/5 of an hour, swam for 1/2 of an hour, and rode her bicycle for 3/4 of an hour. How long did she exercise? a. 7/11 b. 9/40 c. 1 17/20 d. 1 7/20 answer: c Juan owned 3/4 of a family business. He sold 1/3 of the business to his aunt. What portion of the ...
*March 28, 2008*

**Math - please double check me**

there are 42 accounting classes with 31 students in each class. Estimate the total number of students in the accounting classes. answer: 1200 students Maria earns $17 per hour.last week, she worked 10 hours/day for 5 days. What was her gross pay answer: a
*March 28, 2008*

**Physics**

A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. A) what type of mirror is it? B)Describe the type of image that it makes of your face . C) Calculate the required radius of curvature for the mirror.
*March 25, 2008*

**Math- Double check**

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650 Answer: A Determine ...
*March 23, 2008*

**world history**

how did mozart contribute to the world
*March 20, 2008*

**Math**

Please double check Real Numbers and Order |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers –1/2 – (-5/8) Answer: 2 –3.4 – (-7.6) Answer: -4.2 –54 – 119 ...
*March 18, 2008*

**Math**

please double check my answer please Real Numbers and Order 3/7, -6/7,1/7, -1/2, 2/7 Answer: -6/7, -1/2, 1/7, 2/7, 3/7 |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers –1/2 – (-5...
*March 18, 2008*

**Math**

Please double check Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? Answer: $468.66
*March 18, 2008*

**English**

How or what did Martin Luther King Jr. do to help the bridge of selma? And how did he help with the bloody sunday on march 7, 1965?
*March 12, 2008*

**Math**

How can I make a table showing this problem please help. Education Earnings HS diploma or GED $23,719 Associate's Degree $30,178 Bachelor's Degree $38,208 Master's Degree $47,049 Doctorate's Degree $55,620 The table gives the median earnings of women aged 25 ...
*March 11, 2008*

**Maths**

Great Thanks a lot..
*March 10, 2008*

**Maths**

Can you please check the answer 1. 91 Days(I didn't include May 15 and August 15, Is this correct) 2. 6000*0.05*91/360 = 75.83 3. 1500 - 75.83 = 1424.17 4. 6000- 1424.17 = 4575.83 5. 77 days (again didn't include Aug15 Nov 1) 6. 4575.83*0.05*77/360 = 48.93 7. 4575.83+...
*March 10, 2008*

**Maths**

I am sorry I did not paste the full question. Here it is. I need help in all as I am not able to understand this Thanks Use the United States Rule and/or Banker’s Rule to determine the balance due on the note at the date of maturity. (The effective date is the date the ...
*March 10, 2008*

**Maths**

Principal - 6000 Rate - 5% Effective Date - May 15 Maturity Date - November 1 Partial Payment Amount - $1500 Partial Payment Date -August 15 Also Answer the following questions: 1. NUMBER OF DAYS BETWEEN EFFECTIVE DATE AND PARTIAL PAYMENT = 2. INTEREST ON PARTIAL PAYMENT DATE...
*March 10, 2008*

**Maths**

Also Answer the following questions: 1. NUMBER OF DAYS BETWEEN EFFECTIVE DATE AND PARTIAL PAYMENT = 2. INTEREST ON PARTIAL PAYMENT DATE = PRINCIPAL X RATE X (NO. OF DAYS IN #1)/360 = 3. PRINCIPAL PAID ON PARTIAL PAYMENT DATE = PARTIAL PAYMENT - INTEREST PAID = 4.NEW PRINCIPAL...
*March 10, 2008*

**Maths**

Use the United States Rule and/or Banker’s Rule to determine the balance due on the note at the date of maturity. (The effective date is the date the note was written.) Principal - 6000 Rate - 5% Effective Date - May 15 Maturity Date - November 1 Partial Payment Amount...
*March 10, 2008*

**Essential Mathematics 1**

1.4 divide by 36.96
*March 9, 2008*

**Essential Mathematics 1**

Evaluate .007 divide by 100
*March 9, 2008*

**math**

Please double check me. A community service organization has 19 men and 7 women in its memebership. Write the ratio of women to men. a 19/7 b 7/19 c 19/26 d 7/26 answer: b Write a proportion that is equivalent top the statement: If 3 gallons of gasoline cost $5.37, then 8 ...
*March 9, 2008*

**Math**

Ms. Jordan has been given a loan of 2500 for 1 year. If the interst charged is $275, what is the interest rate on the loan?
*March 6, 2008*

**Math**

Samantha's speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h how fast can she drive?
*March 6, 2008*

**math**

Please help A school had 900 students at the start of a school year. If there is an enrollment increase of 7% by the beginning of the year, what is the new enrollment? A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in ...
*March 6, 2008*

**Math**

A 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence. 1/2 cup of Campbells new england clam chowder provided 6% of the MDV of iron/
*March 6, 2008*

**Math**

can you explain how yo gert 2 2/3 to 1 from 280/105?
*February 28, 2008*

**german**

god morgen
*February 27, 2008*

**biology 110**

you are making a standard to be used to measure protien concentration. you have added 2ml of protien, 3ml of water, and 4ml of an indicator dye. How would you prepare the blank for this experiment? we are using the Spectrophotometer
*February 24, 2008*

**math**

Please help Mr. Chavez owned 3/4 of a family business. He sold 1/2 of the business to his sister. what portion of the business does he still own? a. 5/4 b. 1/4 c. 1/5 d. 4/5 Answer: b Gasoline is about $2 per gallon. You use about 1 1/2 each day driving to and from work. how ...
*February 23, 2008*

**biology 110**

using a spectrophotometer what is the relationship between absorbance and the concentration of light absoring substance in a solution.
*February 23, 2008*

**pre algabra**

87
*February 20, 2008*

**Math**

Please double check In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h? Answer: 1.00 or 0.20 A circular coffee table has a diameter of 5 ft. ...
*February 20, 2008*

**math**

Please help The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting this fraction to a ...
*February 20, 2008*

**Math**

Could someone check this over for me please. Arrange in order from smallest to largest 2.05, 25/10, 2.0513, 2.059, 251/100, 20515, 2.052, 2.051. Answer: 2.05, 2.051, 2.052, 2.059, 251/100, 2.0513, 2.0515, 25/10 45.6 – 8.75 Answer: 36.85 (Add) thirty-eight and nine tenths...
*February 20, 2008*

**organic chemistry**

Is it possible to reduce an aldehyde and a ketone at the same time with sodium borohydride?
*February 17, 2008*

**biology**

is nitrogen in the hydrophobic group is oxygen in the hydrophobic group and what kinds of bonds could nitrogen and oxygen form.
*February 17, 2008*

**biology**

which kind of fatty acid would the cell manufacture in order to keep the cell memmbrane rigid or study under warm enviromental conditions
*February 17, 2008*

**Math**

I need serious help. Tried to work it out but I just couldn't get the correct answer. Benjamin and olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 /8ft to subfloor. They can do this in one of two ways. They can...
*February 15, 2008*

**science**

The concentration unit used in Raoult's Law calculations is: a. mole fraction b. percent by weight c. molarity d. molality e. none of these I think the answer is A... is is corrent ?
*February 8, 2008*

**science**

The concentration unit used in Raoult's Law calculations is: a. mole fraction b. percent by weight c. molarity d. molality e. none of these I think the answer is A... is is corrent ?
*February 8, 2008*

**Math**

Evaluate the following: 5lb/ft x 3ft
*February 5, 2008*

**short story**

I apologize I meant to say short story not essay! Its suppose to be a short story that is descriptive, it has subtext, twist, and dialogue
*January 28, 2008*

**lit( essay)**

Please read my discriptive essay, and make any changes! My face is burning from the particles of the gravel penetrating through my skin. As I squirm through my thin cardboard box trying to find my body, I can only hear the churning of my stomach. I try to open my eyes, but I ...
*January 28, 2008*

**565**

What countries are categorize under third world?A list would be great!
*January 26, 2008*

**history**

What are some good websites that will give information on education in third world countries?
*January 26, 2008*

**math please help**

Solve the system by addition. 2x-4y=7 4x+2y-1
*January 25, 2008*

**Math**

thank you i just didnt know how to set it up
*January 25, 2008*

**Math**

Adult tickets for a play cost $15 and child tickets cost $6. If there were 33 people at a performance and the theater collected $360 from ticket sales, how many children attended the play? 14 children 15 children 16 children 18 children
*January 25, 2008*

**history**

Johnson was impeached by the Senate and tried by the House of Respresentatives. true or false
*January 25, 2008*

**chemistry**

You need to make 350mls of a 70% ethanol solution of EtOH from a 95% solution. How would you do this?
*January 23, 2008*

**math**

ã-108 express in terms of i
*January 21, 2008*

**Algebra**

Can someone help me set up an equation for the problem? A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall. How long ...
*January 20, 2008*

**Algebra**

Thank you very much!
*January 20, 2008*

**Algebra**

1.In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000. a.Write Home Depot’s 2002 sales and 2006 sales in scientific notation. 2002: 5.82 x 10^10 2006: 9.08 x 10^10 You can find the percent of growth in Home Depot’s ...
*January 20, 2008*

**Science ; help pleaase**

1. In what way are the ocean currents in the Southern Hemisphere 'mirror images' of those in the Northern Hemisphere? 2. On which side of Australia (east or west) would you expect to find deserts? rain forests? Explain why. 3. In what other regios of the world would ...
*January 17, 2008*

**Science - please please help**

never mind about the third one. i just thought of it. Is it cause rocks and soil have low albedo?
*January 16, 2008*

**Science - please please help**

1. Explain why conduction, convection, and advection cannot occur in space. ^is it cause there is no gravity in space? 2. Does warm water rise or fall in cold water? Explain why this happens. 3. Explain why rocks and soil are poor heat sinks. Thanks in advance.
*January 16, 2008*

**please help! asap. thank you!**

so for your 18th birthday, you hold a party like a 16th birthday party? ..is there any traditions of some sort? For those couples.. do you mean the 100th and 365th day they are together? Thanks so much for your help!
*January 15, 2008*

**please help! asap. thank you!**

I need to find out events that are part of adolescences lives in korea. ex.birthday.. thanks! .. btw, would Koreans celebrate their 16th birthday party like how they celebrate it in North America?
*January 15, 2008*

**Algebra 1**

Thank you!
*January 12, 2008*

**Algebra 1**

Hi, Could anyone tell me how I would do: 4 out of 15 is ____% Thanks, Kim
*January 12, 2008*

**math**

you mean to divide 595 by 60 if so that comes out to 9.91 9 91/60 then I would need to break that down.. I am so confused
*December 16, 2007*

**math**

3 1/2 x 5/6 x 3 2/5 3x2+1=7/2 6x2+5=17/5 7/2x5/6x17/5 = 596/60 = 59 5/12 Is this right? I feel like I am doing something wrong.. thanks
*December 16, 2007*

**english**

Thank you
*December 15, 2007*

**english**

Can someone explain to me the different appeals used in writing (ethos, pathos, and logos)?
*December 15, 2007*

**Chemistry**

The charge and identity of an ion with 16 protons, 18 electrons and 17 neutrons would be?
*December 11, 2007*

**Chemistry - please help**

1. Write the balanced chemical equation for the single displacement reaction of magnesium and sodium thiosulfate. Is this right? 6Mg + (S*2*O*3)*2 -> 6MgO + 2S*2 2. Write the balanced chemical equation for the double displacement reaction of hydrogen sulphide and potassium ...
*December 6, 2007*

**english**

how is the concept of empathy illustrated and developed in Raymond Carver's "cathedral"
*December 4, 2007*

**lit**

discuss how the methaphor of death operate in Chinua Achebe's "dead men's path" with specific reference to culture identity?
*December 3, 2007*

**algebra**

a=20-c 13(20-c)+3c = 200 260 -13c +3c = 200 60=10c 6=c
*November 25, 2007*

**Written Commuincations**

How can I write a business solution for the following question. The trip schedule for Mexico during spring break has been cancelled due to bankruptcy of the bus company. You must tell 25 of your classmates that the trip has been cancelled and that have lost their $100 deposit...
*November 24, 2007*

**thanksgiving**

The Thanksgiving Day is coming. Do you have some ideas about it? For western people, it is more important than us Asian. But this kind of custom influences us gradually. So, this Thanksgiving Day I want to send some interesting gifts to my families, friends and others in order...
*November 21, 2007*

**math in general**

but will i even need them after high school?
*November 21, 2007*

**Proofs HELP**

what is coplanar?
*November 21, 2007*

**math.algebra**

i need help with this problem: If the square of 2 less than an integer is 16, find the number(s).
*November 7, 2007*

**Calculus**

Hello...i just had a quick question...its probably something easy to get...maybe i am thiking too hard...but the question is estimate the volume of solid that likes above the square R=[0,2] * [0,2] and below the elliptical paraboloid z=16-x^2-2y^2..divide r into four equal ...
*November 5, 2007*

**math.algebra**

I'm sorry, its suppose to be square root 5x+5-5=0
*November 4, 2007*

**math.algebra**

I need help solving: ã5x+5-=0 Thanks for the help!!1
*November 4, 2007*

**social studies**

Their were many machines. One machine was the cotton gin. I picked and cleaned the cotton
*November 3, 2007*

**algebra.math**

Can someone help me with this word problem. How far up a wall will an 11m ladder reach, if the foot of the ladder must be 4m from the base of the wall? Round your answer to the nearest tenth.
*November 1, 2007*

**Partial derivative**

k tnx for ur help
*October 30, 2007*

**Partial derivative**

Hello I trying to do a problem on partial derivative. I know the partial derivative of 3x+2y with respect to x would be 3 and with respect to y would be 2. But wut if it is squarroot of 3x+2y, wut is the partial derivative of it with respect to x and y
*October 30, 2007*

**math**

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab ~solve for y my...
*October 26, 2007*

**math**

thank you so much that was so helpful i wish i could repay you! since you seem to know what you are doing can you take a look at the more recent question i posted becasue i am getting anxious that nobody else will answer to my comment and im SO stuck on the problems!
*October 26, 2007*

**math**

what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?
*October 26, 2007*

**CALC..plz help**

hello again..i have another question... it says sketch the curve <3cost,t,2sint> i know the parametric equations are x=3cost y=t z=2sint but what do i do to sketch them..plz help me
*October 19, 2007*

**Vector Calculus**

Hello...i had a question. I would really appreciate it if someone could help me...tnx in advance! K my question is Find the T(t) , N(t), B(t) for r(t)=<2sint,2cost,t>; t=pie/4 ...which are normal vectors, binomial vector and i am not sure about T(T)...anyhow...i have the...
*October 19, 2007*

**Geometry**

Given: line segment AD is congruent to line segment CD, <1 is congruent to <2 Prove: triangle ADB is congruent to triangle CDB
*October 18, 2007*

**IT**

select a web site that contains e-commerce applications. What are the advantages and disadvantages in using this web site?
*October 17, 2007*