# Posts by please help(:

Total # Posts: 49

**science**

i did all those calculations...so are the calculations wrong or is there just no order period cause none do work?

*November 4, 2009*

**science**

Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure. 1. pushing a box of math books weighing 600 newtons a distance of 20 meters 12000J 2. pulling a television ...

*November 4, 2009*

**DRWLS**

so would i mult. 2000* .80 which gives me 1600?

*November 4, 2009*

**science**

For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules? would i divide 2000/.80? which gives me 2500? Also, If a machine requires an effort force of 750 newtons applied over a distance of 2 meters, over what resistance...

*November 4, 2009*

**science**

For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules? would i divide 2000/.80? which gives me 2500?

*November 4, 2009*

**science**

yeah i don't really know any of the answers to your questions sorry! but thanks(:

*November 4, 2009*

**science**

Select the choices in which work is done by recording "yes" or "no": 1. Reese completing her chemistry homework. NO? 2. the movers carrying Catalina's amplifier from the moving truck to her house. NO? 3. Li pushing his motorcycle down his driveway. YES...

*November 4, 2009*

**ipc**

haha its actually integrated physics and chemistry:) i'll stick to science thank youuu:)

*November 4, 2009*

**ipc**

thanks:)

*November 4, 2009*

**Math**

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was $5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

*November 2, 2009*

**Math.**

The Mountain Trail Resort sold 64 condominiums last year, all 1, 2, or 3 bedroom condominiums. The total revenue from the sale of the condominiums was $5,493,000. The combined square footage of all the condominiums sold was 51,544 square feet. One bedroom condominiums sold for...

*November 2, 2009*

**last one! science!**

A typical high school lab activity involves building a model rocket with a small canister, antacid, and water. The water and antacid are combined in the canister, which is then tightly closed and turned upside down. The reaction of these materials in the canister causes gas to...

*October 28, 2009*

**science**

Arrange the amount of momentum of these objects from the most momentum to the least momentum. When placing the objects in the correct order, record the value of their momentum. 1. A 0.4 kg baseball thrown by a major league pitcher at 120 m/s. 48kg*m/s 2. A 0.04 kg bullet ...

*October 28, 2009*

**science**

How would i set these up? like what is the equations? # A tennis player hits a tennis ball with a force of 330 N, and it accelerates at the rate of 5,500 m/s2. What is the mass of the tennis ball? # Li is pedaling his bike with a force of 220 N. The combined mass of Reese and ...

*October 28, 2009*

**science**

oh yes I'm sorry i thought it was self explanatory. thanks(:

*October 28, 2009*

**science**

# a quarterback throwing the football unbalanced # a pickup truck cruising at a constant velocity balanced # two teams in a tug of war at a standstill balanced # a math book sitting on top of a table balanced # Reese and Li moving Catalina's amplifier a short distance ...

*October 28, 2009*

**algebra**

Solve the following system: 1/2x-1/4y=7/2 3/4x+1/3y=19/2

*October 26, 2009*

**math**

1/2x-1/4y=7/2 3/4x+1/3y=19/2 How do i change these into y=?

*October 26, 2009*

**science**

what is theta and arctan?!

*October 22, 2009*

**science**

oh wow im sorry! :) A sailboat sails west from port for 5.3 km and experiences a shift in the wind direction. The wind blows the sailboat 2.5 km south. What is its displacement from its original position? a^2+b^2=c^2 5.3^2+2.5^2=5.86^2SW

*October 22, 2009*

**science**

The sailboat in Question #1 returns to port in a straight line from its current position. The captain would like to know the total distance traveled (refer to distances in question #1). 1. What was the total distance traveled? 2. What was the final displacement? 1. 5.3+2.5+5....

*October 22, 2009*

**science**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate ...

*October 22, 2009*

**bcis word**

How do you format text into two columns with a 0.4" spacing between them? What are the different insertion options for Headers and Footers? What are the steps in creating a drop cap two lines tall?

*October 20, 2009*

**word**

What are the different insertion options for Headers and Footers? i know one is view>header and footer.

*October 20, 2009*

**WORD.**

thanks(:

*October 20, 2009*

**WORD.**

With two documents open, how do you move text and images from one document to the other?

*October 20, 2009*

**word.**

What are the available text attributes in Word? What font attributes can be accessed only through the font dialog box?

*October 20, 2009*

**math**

yes.

*October 20, 2009*

**bcis**

With two documents open, how do you move text and images from one document to the other?

*October 20, 2009*

**BCIS**

What are the available text attributes in Word?

*October 20, 2009*

**BCIS**

What is Overstrike mode and how do you change from it to Insert mode?

*October 20, 2009*

**social studies**

Legislative Branch * Checks on the Executive o Impeachment power (House) o Trial of impeachments (Senate) o Selection of the President (House) and Vice President (Senate) in the case of no majority of electoral votes o May override Presidential vetoes o Senate approves ...

*October 20, 2009*

**social studies**

Judicial, Legislative, Executive.

*October 20, 2009*

**BCIS**

When typing, when should you use the Enter key? What is word wrap? How do you set indents using the ruler? How do you set margins using the ruler? What are the four main types of tabs? Describe each.

*October 20, 2009*

**BCIS**

im not sure of the exact meaning, its a computer class.

*October 20, 2009*

**BCIS**

What are two ways to open a document? What are two ways to create a new document in Word? What are two ways to save a document?

*October 20, 2009*

**MATH!**

Well i can't seem to figure out the intersection on my calc. please help.

*October 19, 2009*

**MATH!**

thank yall(:

*October 19, 2009*

**MATH!**

1/2x - 1/4y= 7/2 3/4x + 1/3y= 19/2 To change into y=, do i multiply the top one by by 1/4 and the bottom one by -1/3?

*October 19, 2009*

**art**

can you use like twizzlers or something like that?

*October 19, 2009*

**4th**

greatly increased as by multiplication.

*October 19, 2009*

**math**

1/2x - 1/4y= 7/2 3/4x + 1/3y= 19/2 To change into y=, do i multiply the top one by by 1/4 and the bottom one by -1/3?

*October 19, 2009*

**4th grade**

A prime number can be divided, without a remainder, only by itself and by 1. For example, 17 can be divided only by 17 and by 1. Also, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, ...

*October 19, 2009*

**Math**

well when i do the intersection i am getting, (170,-354), which is not one of my answers.

*October 19, 2009*

**Math**

1/2x - 1/4y= 7/2 3/4x + 1/3y= 19/2 To change into y=, do i also multiply by 1/2 and -1/2?

*October 19, 2009*

**spelling**

There are many different cultures in the world.

*October 19, 2009*

**math**

oh alright thanks(:

*October 19, 2009*

**math**

the original equation? Do you mean... -1/2(-2y)=-1/2(-1-3x)?

*October 19, 2009*

**math**

How do i change these into y=? 3x – 2y = –1 --> -2y= -1-3x 5x + 2y = 25 --> 2y= 25-5x

*October 19, 2009*

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