Thursday
August 28, 2014

# Posts by dawn

Total # Posts: 816

ecology
Welcome!
September 29, 2010

ecology
Coevolution :)
September 29, 2010

Translation simple question
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
September 29, 2010

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

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

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

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
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

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

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

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
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
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

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

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

science
compare and contrast cell division and mitosis. give a breif paragraph response.
November 23, 2009

math
the total number of horses and people at a riding academy one sunday was 39.The total number of legs at the academy that day was 124.How many people were at the riding academy that sunday?
November 19, 2009

who was caleb from the hebrew bible? give a breif explanation
November 19, 2009

religon
who was caleb in the hebrew bible? give a breif explanation.
November 19, 2009

science
how is cell division different than mitosis?
November 10, 2009

science
how is DNA copied?
November 10, 2009

Grd.10 Science
Thats what i was thinking! I'll go with that...thanks :)
November 5, 2009

Grd.10 Science
So i did a science lab today, and i am supposed to come up with the skeleton equation for it The chemical reaction is decomposition (starting with one compound that will break off into 1 or more compounds after reaction) This is what i have so far : Cu (CO3) ---> CO2 + ____...
November 5, 2009

kinematics
An individual's arm segment is .18m long and has an angular velocity of 117degrees/s. What is the tangential velocity of the wrist?
November 4, 2009

science
how are ammonia, salt and water alike? how is salt different from glucose, salt and water?
October 21, 2009

science
compare and contrast the 2 new cells formed after mitosis and cell division,.
October 17, 2009

science
please describe what happens to chromosones before mitosis..
October 17, 2009

CHEMISTRY
Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 28.6 ...
September 27, 2009

algebra 1A
"8 less than one-sicth of some number, w can be expressed algebraicaly as?
September 17, 2009

geography
i need help to unscramble a few words from chapter 1. the word looks like this "nat ernuimgano"
September 7, 2009

math
Can you find the 11th term of the arithmetic sequence: 5, 12, 19, 26.
August 1, 2009

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