Tuesday

October 21, 2014

October 21, 2014

Total # Posts: 832

**Math**

Thank you!
*October 3, 2010*

**Math**

How would I simplify this? Explain please!!! 7(2x+2)-9(-1+6x)
*October 3, 2010*

**Math**

How did you get that?
*October 3, 2010*

**Math**

How would I simplify this? 2x-(9x-4)
*October 3, 2010*

**Math**

:) Thank you
*October 3, 2010*

**Math**

So for this one.. 2x+9y+6x It'd be 8x+9y?
*October 3, 2010*

**Math**

How do I simplify this expression? 2x+7+3x
*October 3, 2010*

**College Physics**

In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotational motion is faster than ...
*October 2, 2010*

**pre algebra**

Distribute the -5. 13-3p=-15-10p Arrange the equation so all of the numbers with "P" are on the same side. 7p=-28 Divide both sides by 7. p=-4
*October 2, 2010*

**College Physics**

Got it. Thank you!
*October 2, 2010*

**College Physics**

A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 29 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 135 m), the block swings toward the outside of the ...
*October 2, 2010*

**physics**

Use the equation v=sqrt(rmug) and solve for r. Then plug r into the same equation and solve for v for car b.
*October 2, 2010*

**English- Frankenstein**

If you have read Frankenstein please help me me with some review questions pertaining to chapters 17-end. 1.How does the settings in these chapters, especially nature reflect the events and character development of the chapter. 2. How are victor and his creature alike in these...
*September 30, 2010*

**How to post links**

Ohhhhh, okay. Thank you both. :)
*September 29, 2010*

**How to post links**

How do you post links on here? I tried to post one, but it didn't let me.
*September 29, 2010*

**math**

3 & 4, 30+4, 23_+ 11,
*September 29, 2010*

**ecology**

Welcome!
*September 29, 2010*

**ecology**

Coevolution :)
*September 29, 2010*

**Translation simple question**

Try google translator, I'd post a link but it isn't letting me.. Soo.. just google google translater, it's really good!
*September 29, 2010*

**math**

Oh shoot! I read the problem wrong, what Ms.Sue said!
*September 29, 2010*

**math**

2, 8, 9.
*September 29, 2010*

**Not complete**

Your question needs to be more complete, we cannot help you, need more info, then we will try to help you.
*September 29, 2010*

**About the website**

I see, I see. :)
*September 29, 2010*

**About the website**

Does it matter how old you are? Because my daughter may want to help out.
*September 29, 2010*

**About the website**

Thank you very much, you both!
*September 29, 2010*

**About the website**

Is there anyway you can apply to be a tutor on here?
*September 29, 2010*

**physics**

A 5.10 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.450. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. (b) The...
*September 20, 2010*

**math**

i'm trying to help my neice out, and i'm a little rusty here.... R(r1+r2)=r1r2
*September 20, 2010*

**Physics**

thanks...got the right answer!
*September 20, 2010*

**Math.. sorry for posting so many, I just don't get**

Let W repersent the width of a rectangle, the length is 7cm more then the width A. 7cm more than four times the width How do I write that into an algebraic expression?
*September 15, 2010*

**Math**

How would I write an algebra expression if You let Zog's Age repersent the letter A. Question: Nine times Zog's Age four years ago.
*September 15, 2010*

**math**

Let A repersent Zog's age. Write a algebraic expression for each phrase. How would I write one if: 9 times the sum of Zog's age and 4 years?
*September 15, 2010*

**Math**

Evaluate for A=7 B=2 6ab would I do 6x7x2?
*September 15, 2010*

**10th grade math**

?... what's that supposed to be?~
*September 13, 2010*

**10th grade math**

Number of pages of a 5 page articile left to read if you read p pages.
*September 13, 2010*

**10th grade math**

Which expression repeersents the phrase'' twice the quotient of 50 and the sum of a number y and 8?''
*September 13, 2010*

**computers**

an introduction to programming and visual basic 2008 page 39 programming challenges rules form design and flowchart for #3 sales tax. how do i do this?
*August 30, 2010*

**Statistics**

63.4 65.0 64.4 63.3 54.8 64.5 60.8 49.1 51.0 Assume that these observations are an SRS from the late Cretaceous atmosphere. What is the mean percent of nitrogen in ancient air with a 90% confidence level? Hint: uses one-sample t confidence
*August 21, 2010*

**algebra**

This is actually part of a statistics problem I'm working but I forgot how to do this and if someone can refresh my memory, I might be able to solve these. The problem is with factorials. 20! / 5! (20-5)! I know I can reduce and cancel, but how and where? If I do 20! / 5...
*August 4, 2010*

**Statistics**

Many women take oral contraceptives to prevent pregnancy. Under ideal conditions, 1% will become pregnant within one year. In typcal use, 5% become pregnant. Choose 20 random women taking the pill. How many become pregnant in the next year? a. What is the probability that at ...
*August 4, 2010*

**substitution method**

x=8-4y,3x+5y=3
*July 20, 2010*

**english**

thank you so much
*June 20, 2010*

**english**

Financial planning will seem easier with a good education.
*June 20, 2010*

**english**

I am confident that my education will make financial planning easier to understand
*June 20, 2010*

**english**

can someone answer my question without sarcasm? Or even answer it? I need help writing a sentence with a linking verb. it has to be about the role of education in sucessful financial planning
*June 20, 2010*

**english**

I need two sentences about the role of education in successful financial planning using a linking verb in one and subject-verb agreement in another. Please highlight the verbs
*June 20, 2010*

**writing**

I need a sentence about the role of educatin in successful financial planning using a linking verb (put in bold) and another one using the subject verb aggreement
*June 20, 2010*

**chem**

57.3 qts how many 25ml vials can they fill ( round to the nearest full vial
*June 18, 2010*

**chem**

eon is 1 billion yrs (1x10^9)how long is this in min Assume 1 year=365.25 days
*June 18, 2010*

**college**

Thank you Damon!!!
*June 18, 2010*

**college**

12.2 ft/sec how many days will it take to complete its journey with the circumference of the earth is 25000 miles. How do i work this problem out dont want the answer just want to know how to solve it!
*June 18, 2010*

**college**

I need a subject verb sentence for about the roll in of education in successful financial planning
*June 18, 2010*

**Math**

What is the minimum, lower quartile, upper quartile, maximum of these numbers? 45 52 52 68 71 71 75 77 82 84 89 90 90 94 96
*June 10, 2010*

**Math**

I did what mrs sue posted and i got a desmo answer.. is that right?
*June 8, 2010*

**Math**

klogg weighs 170 lb. He is loading a freight elevator with identical 69-pound boxes. The elevator can carry no more then 2000lb. If klogg rides up with the boxes how many boxes can be loaded on the elevator?
*June 8, 2010*

**HCR/210**

consider how you think records management procedures have had to respond to this piece of legislation.
*April 23, 2010*

**psychology**

Consider that you are having an informative discussion with your adolescent child about sex. Your goal is to explain to your child that sexual arousal is a normal sensation attributed to the brain, neurochemicals, and sex hormones all working together. Describe, in language ...
*April 23, 2010*

**math**

runner A runs 5.6 miles/hr so it will take him 4.68 hrs to run the marathon. runner B runs 6.4 miles/hr so it will take 4.09 hrs to run the marathon however runner B started half and hour later than runner A 4.68 - .5 = 4.18 so runner B will finish the marathon .09hrs before ...
*April 7, 2010*

**chemistry**

if 2.0 x 10-5 mol of sparingly soluble Cu(IO3)2 can dissolve in 2L of a very soluble NaIO3 sol'n, what is the molar concentration of the NaIO3 sol'n? (Ksp=1.4x10-5 for Cu(IO3)2)
*April 7, 2010*

**chemistry**

pH = -log[H] pH = -log[0.0001] pH = 4
*April 7, 2010*

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?
*April 6, 2010*

**math**

how many liters of water must be added to 30 liters of a 20% alcohol solution to dilute it to a 15% solution?
*April 6, 2010*

**Probability/Stas**

An instant lottery gives you probability of 0.023 of winning on any one play, which are independent of each other. If you play 6 times, the probability that you win on none of your plays is: The answer is suppose to be .8902, but I got 0.895. I took 0.23 to the 6th power and ...
*March 30, 2010*

**Math**

Please help me! I don't even know where to start :( my teacher took this question up on friday but i was sick, and we have a test tomorrow! -Car A travels from Barrie to Subuiry at an average speed of 90km/h -Car B travels from Subury to Barrie at an average speed of 80km/...
*March 7, 2010*

**SCIENCE**

Could someone give me some advice on how to tackle this question please? Explain briefly why the changes in albedo and the other factors give rise to the changes in the GMST, relating your explanation to the water cycle. Is this an example of positive or negative feedback? ...
*February 23, 2010*

**Science**

Hello, could someone help me with this question please? Explain how burning wood or coal to heat your house may contribute to global warming by altering the energy balance at the Earth's surface? Thank you
*February 22, 2010*

**science**

how does a solution form?
*February 18, 2010*

**english**

is this a ryhme thing? maybe a record?
*February 11, 2010*

**French**

thank you! (: thats what my teacher told us, I just forgot until now
*February 11, 2010*

**French**

Alrighty, so i have to write a journal entry about a time in my life when i felt left out. one of the questions is Qu'est-ce que t'es arrive? I think I know what the question, but I have no idea how it relates to the topic. Could somebody please tell me what the ...
*February 11, 2010*

**math**

PROBLEM 2.... i^3 - i^2= -i + the square root of -1^2= -i + 1i is this correct?
*February 9, 2010*

**math**

it makes sense now...thanks!!
*February 9, 2010*

**math**

is this the answer bob purley??? thanks for your help!!
*February 9, 2010*

**math**

Reiny... are these the correct answers?? problem #1: (3+2i)^2= (a+b)^2= (3+2times-1)= (3+1)^2= 4^2= 16 problem #2: i^3-i^2= a-b= -i- -1 ??????????????????????????
*February 9, 2010*

**math**

thanks...can I ask u to tell me if I'm correct when I do the problems please and repost back?
*February 9, 2010*

**math**

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2
*February 9, 2010*

**math**

hey how come u didn't mind giving the correct answer this time drwls????
*February 9, 2010*

**ALGEBRA**

I did in the math post I did right after this one....perhaps u can see if I still did it wrong? Thanks.....
*February 9, 2010*

**ALGEBRA**

i did the work on them...they werent right...i just want to know if im right after i try to solve the problem...thanks
*February 9, 2010*

**ALGEBRA**

Wow drwls....that was pretty rude and entirely unnecessary!!
*February 9, 2010*

**ALGEBRA**

I need this in a final answer form please :)
*February 9, 2010*

**ALGEBRA**

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubed-isquared
*February 9, 2010*

**algebra**

THANKS DONGO!!
*February 9, 2010*

**algebra**

write a polynomial that expresses the area of a rectangle whose length is 3 feet more than twice the width
*February 9, 2010*

**Science**

thanks !!
*January 26, 2010*

**Science**

What is weather most effected by? Convection Conductions Radiation thanks! (:
*January 26, 2010*

**physics**

Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source if you want the ...
*January 21, 2010*

**physics**

Thank you! That really helped. Now I'm getting an answer of 34 which seems reasonable, according to what the question is asking. Also, if you don't mind answering, how would you know to use the exponential decay equation or the linear equation? Are there certain ...
*January 21, 2010*

**physics**

A sheet of 6 cm in thickness causes the original intensity to decrease to 59% of its original value. You are trying to build a soundproof room that reduces sound coming in and out by 95%. That is, the intensity after crossing the walls is only 5% of the initial value. What ...
*January 21, 2010*

**Science (optics)**

alright, so does anybody have a right answer? lol
*January 21, 2010*

**Science (optics)**

Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...
*January 21, 2010*

**please help!**

You are 10 m away from a sound source of intensity comparable to the background noise in a very quiet room (20 dB). If you want the intensity in dB to double, you must move to a distance ... A) 100 m B) 20 m C) 7 m D) 5 m E) 1 m the answer is 1 m, but I'm not sure how to ...
*January 20, 2010*

**pilgram**

Managing Working Capital. A new computer system allows your firm to more accurately monitor inventory and anticipate future inventory shortfalls. As a result, the firm feels more able to pare down its inventory levels. What effect will the new system have on working capital ...
*January 13, 2010*

**math**

how do you find the surface area of a prism? and the volume of a rectangular prism?
*January 10, 2010*

**Intro to Chemistry**

How many milliliters of 5.50 M H2SO4 must you use to prepare 500.ml of 0.2 M sulfuric acid solution? I know I need to use the formula M1V1 = M2V2 but I'm not sure how to calculate the problem?
*December 23, 2009*

**6th grade**

how do you estimate the product or quotient for mixed fractions?
*December 10, 2009*

**Human resources**

List examples of tangible and intangible forms of organizational culture. Which form of organizational culture is the most powerful agent for influencing ethical behavior by employees in human service organizations?
*December 9, 2009*

**English (quotes)**

okay thanks so much!
*November 30, 2009*

**English (quotes)**

hi! uhmm i am working on quotes right now. i have to identify who the speaker is and then state the significance of the quote to the play (shakespeare) i was just wondering if somebody could give me some points on how to write significance? thanks!
*November 30, 2009*

**science**

what does cell division and mitosis have in common?
*November 23, 2009*

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