Monday
December 22, 2014

Posts by Michelle


Total # Posts: 1,670

calculus adn geometry
Wait, why are you substituting what b equals into the original equation... How does that even help you in the first place?
November 18, 2008

Science
I need information on daphnia please
November 13, 2008

3rd grade
Yes, because multiplication needs to have equal groups. Cheer!
November 12, 2008

history
How did the civil rights movement change in the mid-1960’s
November 10, 2008

History
Why did relations between the United States and the USSR deteriorate after WWII?
November 10, 2008

HISTORY
Why did Truman decide to use the atomic bomb against Japan?
November 10, 2008

math
Thank you for your help. I have one question. How did you get .75 from t+1?
October 31, 2008

math
In the xy-plane, line l passes through the origin and is perpendicular to the line 4x+y=k, where k is a constant. If the two lines intersect at the point (t,t+1), what is the value of t? I tried drawing a picture of the problem described above, but I don't understand what...
October 31, 2008

Calculus
position function is x(t)=(t-1)^3 (2t-3) how do you find the velocity of the particle at nay time when t is greater or equal to 0? i got the derivative equation (6t-9)(t-1)^2 + 2(t-1)^3 but that is for all t.
October 28, 2008

Calculus (Answer Check)
A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance traveled...
October 27, 2008

Calculus (Answer Check)
A particle moves along the x-axis so that its velocity at time t, 0(less than or equal)t(greater or equal to)5 is given by v(t)=3(t-1)(t-3). at time t=2 the position of the particle is x(2)=0. 1. find the minimum acceleration of the particle 2. find the total distance ...
October 27, 2008

Calculus (Answer Check)
Are my answers right? If they are wrong you dont have to tell me how to do it its okay =) A particle starts at time t=0 and moves along the x-axis so that its position at any time t(greater or equal to) 0 is given by x(t)=(t-1)^3 (2t-3) 1.find the velocity of the particle at ...
October 27, 2008

math
a man is building a studio that has a circular base. the interior of studio has a diameter of 40 feet. what is the area of the floor space?
October 26, 2008

5th grade social studies
Forest,rivers,mountains,and oceans because they grow vegetables and drink water
October 23, 2008

5th grade social studeis
What types of geographical features helped settlements grow and succed.why?
October 23, 2008

math
skip counting on the hundred chart the question is What patterns do you see with skip counts by 10's and 3's?
October 22, 2008

8th grade
Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases?
October 21, 2008

physics
A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?
October 20, 2008

english
One of the two passages below follows the old-new contract. Identify it. I think it is passage one can anyone help verify if I am correct 1. The old/new contract is another principle for writing clear closed-form prose. Beginning your sentences with something old – ...
October 19, 2008

english
What is the topic sentence I think it is sentence 3 please let me know if you think it is as well Voice mail is usually part of your firm’s phone system. It is a way to digitally record messages, and it allows “random access” so you can skip, delete, save, and ...
October 19, 2008

enviromental science
what are three ocean resource problems
October 19, 2008

physics
how much time does it take for a student running t an average speed or 5.00m/s to cover a distance of 2.00km?
October 17, 2008

6th grade
what is an organism and how do i do a report on how to explain one
October 14, 2008

math
trying to figure it out so I can help my 5th grade son figure it out. No textbooks to help parents
October 6, 2008

math
Make up a set of at least 12 numbers that have the following landmarks. Maximum: 8 Range: 6 Mode: 6 Median: 5
October 6, 2008

Calculus
Using the derivative definition of f ‘ (x) = (f (x+h) – f (x)) / (h) find the derivatives of the following… 1. f(x) = (2x-1) / (x+2) 2. f(x) = sqrt (3x-1) 3. f(x) = 3x^4 my answers were: 1. –x+3 2. (3) / [2(sqrt(3x-1))] 3. 12x^3 are my answers right?
October 4, 2008

english
When I want to say in a sentence: The word unprecedented means..... does unprecedented have to be in italics, quotes, or is it fine the way it is?
October 1, 2008

chemistry/math
If aluminum has a density of 2.78 g/ml, how much space would 32 grams occupy?
September 29, 2008

biology
Would two nucleotides be sufficient to provide enough codons to code for all 20 amino acids and why? how many amino acids could be coded for by codons containing only two nucleotides? Will three nucleotides per codon work and why or why not?
September 29, 2008

British Literature,
I don't see how those examples fit the deffenition of satan being a round character either. It doesnt show that hes changed.. I mean the story is all around more indepth about him but those quotes to show that.
September 28, 2008

pre calculus
NAdia has 7 more nickels than dean has dimes. If dean gives nadia 4 of his dimes, then dean will have the same value of money as nadia. how much money do they have together (nadia only has nickels and dean only has dimes) ned has nickels, dick has dimes, and quincy has ...
September 28, 2008

math
If Mark types 79 words per minute, and he types for 44 minutes, it looks like this: 79 words per minute x 44 minutes = 3476 words in 44 minutes. (Which is the answer)
September 25, 2008

4th grade English
If you write: "Gorillas are shy, so most of them never fight", it makes sense. They're shy, therefore they don't fight. If you write: "Gorillas are shy, but most of them never fight", it implies that being shy would make them more likely to fight. ...
September 25, 2008

math
If Summer grades 25 papers in 30 minutes, and there are 4 half-hours in two hours, multiply 25x4= 100. Summer can grade 100 math papers in 2 hours. Larry can grade 22 papers in 20 minutes. 60 minutes (one hour) is three times twenty minutes, so two hours is six (doubling the ...
September 25, 2008

Chemistry
That sounds about right. K is more unstable, and reacts more readily.
September 24, 2008

dictionary
noun
September 24, 2008

Calc 1 - Factoring??
Solve the inequality. Express the solution sets as intervals or unions of intervals and show them on the real line. Use the result (square-root of a^2) = |a| as appropriate. (x+3)^2 < 2
September 24, 2008

College Sophmore
x=The Width of the Grand Canyon 381 m = x/76 This simplifies to 381 meters multiplied by 76 = 28956 meters wide.
September 24, 2008

arithmetic
1+2+3+4+5+6=21 So the number is 123456.
September 22, 2008

spell
Is the following words nouns/pronouns or verbs. They're you've weren't needn't there'd they've mustn't what'll doesn't hadn't
September 22, 2008

gemotry
Eduardo owned 6/7 of a family business. He sold 1/5 of the business to his son. wat portion of the business does he still own
September 21, 2008

geog- still
sorry to be a pain but it still doesn`t answer the question . my homework is a wordsearch and i only have clues its to do with diversity in the uk. the only 2 i can`t find is sikh temples and muslim mosques i can`t find anything in the wordsearch that matches . im so stuck ive...
September 20, 2008

geog- still
sorry to be a pain but it still doesn`t answer the question . my homework is a wordsearch and i only have clues its to do with diversity in the uk. the only 2 i can`t find is sikh temples and muslim mosques i can`t find anything in the wordsearch that matches . im so stuck ive...
September 20, 2008

geography year 8
my homework is diversity in the uk . i have a wordsearch and need to find people who have come to britain. 1/ gaelic dance - i think its jig or irish 2/ synagogues - jewish 3/ churches constructed after conquest in 1066 - Normans 4/ chop suey from a soho restaurant - chinese 5...
September 20, 2008

math
1. give an example of an absolute value inequality whose solution set is the empty set 2. explain why \x+2\ is greater than or = to -4 has all real numbers as its solution set. please help
September 16, 2008

math
can you please help me?
September 16, 2008

math
1. give an example of an absolute value inequality whose solution set is the empty set 2. explain why \x+2\ is greater than or = to -4 has all real numbers as its solution set.
September 16, 2008

ecology
thank you soooo much!!!
September 14, 2008

ecology
Why are 2nd order consumers more likely to be affected by a toxin than 1st order concumers?
September 14, 2008

human services
compare and contrast program planning and program evaluations in human service agency's.
September 14, 2008

Statistics
Hello I need help solving a statistics problem and have no idea where to start. Can anyone help? In a recent national survey, the mean weekly allowance for a nine-year-old child from his or her parents was reported to be $3.65. A random sample of 45 nine-year-olds in ...
September 11, 2008

social studies
I need a defination for "Direct Democracy"
September 10, 2008

Art
What is the type of artist that used Rhythm the most?
September 8, 2008

english
i have to write a ballad. The 1st and 3rd lines need to be in iambic tetrameter and 2nd and 4th in iambic trimeter. is this right? Today I told my friend about The dream I had one night. “This red rose grew alone In a small lot without sunlight.”
September 4, 2008

12th grade government/economics
should the u.s move to an electonic currency and remove paper currency
August 24, 2008

Poetry
If this be error and upon me proved, I never writ, nor no man ever loved. These lines are an example of a/an
August 21, 2008

maths
Would y=2 be the equation for the line that has the co-ordinates (0, 2) and is parallel to the x-axis? im not exactly sure, please help and explain?
August 19, 2008

catering
it's a contract isn't it?
August 18, 2008

Calculus
for f(x) = 2+x : Domain: (negative infinity to -3] Range: (-infinity to -1] f(x) = x^2 : Domain: (-3,-1) Range: (9,1) f(x) = 6 : Domain: [-3,-1] Range: [6] i don't know how to put them all together though. is this right?
August 13, 2008

Calculus
The following information is given, f(x) = 2+x x<(less than or equal to) -3 f(x) = x^2 x > -3 , x < 1 f(x) = 6 1 < (less than or equal to) x I graphed it, but i don't know how to find the domain and range.
August 13, 2008

science need info please
what I need to do
July 25, 2008

Law and Ethics
I see alot of you arewith Penn Foster, as well as myself. I have struggled as well on some of these questions. Just be careful on the answers you choose, make sure you do search other websites and resources. I have been told some answers are not correct and a friend of mine ...
July 20, 2008

History
why did African Americans in the South lose many of their civil rights until 1950s and 1960s? please help me
July 8, 2008

Biology
Find an angiosperm that has modified leaves, stems, roots or flowers that do not function in a normal manner? Example: Claifornia Barrel Cactus has spines in place of leaves to reduce water loss.
July 7, 2008

critical thinking
When you encounter the word "since" in a sentence you should generally conclude that it is acting as which of the following
July 6, 2008

health
what population or groups were most adversely affected by deinstitutionlazion?
June 29, 2008

maths
how do i make p the subject of the formula q=5/3+p
June 20, 2008

Grammar
Thanks, Writeacher. I thought the second one was correct, but for some reason it just didn't "sound" right to me :)
June 6, 2008

Grammar
Hi there, Which is correct: Your kindness, patience, encouragement and dedication *is* evident. -or- Your kindness, patience, encouragement and dedication *are* evident. Thank you! Michelle
June 6, 2008

sewing
sorry-#2 is thread clipper
June 6, 2008

sewing
#1--I'm stumped #2--thread ripper
June 6, 2008

Chemistry
nvm, PART D is correct.
May 8, 2008

Chemistry
I think the answer to part 1 is (E): Cu(s) Cu2+(aq) 2Ag+(aq) 2Ag(s)
May 8, 2008

Science
An argumentative article for the Sunday Gleaner discouraging people from hunting endangered species.
April 7, 2008

math riddle ALGEBRA WITH PIZZAZZ
Yeahh, its in a tenths situation. Thanks for the people who posted that. It really helped.;]
April 6, 2008

Chemistry - Solution Stoichiometry
A piece of nickel is placed in a beaker with 350 mL of copper (II) sulfate. Calculate the concentration of the copper (II) sulfate solution. Initial mass of nickel - 15.5 g Final mass of nickel - 11.4 g What do i do with the final and initial masses of nickel?
April 2, 2008

unscramble
C)a city
March 19, 2008

physics
if a motorboat travels at 25km/hr down a river whose velocity is 4km/hr wgat is the boats actual velocity? a. 21km/hr b. 29km/hr c. 100km/hr d. 6.2km/hr please repost the answer
March 18, 2008

Algebra
the set of values assigned to the independent variables of a function. does this help?
March 13, 2008

Science
What do elements and compounds have in common? How do they differ?
March 12, 2008

french
How do you say its 12:03. Do you say Il est midi trois. or Il est douze heures trois?
March 11, 2008

Biology
Describe four ways that plants protect themselves from environmental conditions using one example from each of the following categories: a. hormone b. tropism c. plants structure d. plant process In your answer be sure to include the specific threat and solution. Please help ...
March 11, 2008

french-SraJMcGin
What I don't get is in my text it says for noncountable food items, we use de la, du, or de l' but only for certain verbs like prendre, boire, manger, etc. For others we use le, la, les. But what if the verb is manger but the food is countable?
March 8, 2008

french
for je vais, je fais, ils vont, ils font, they sound the same don't they? how can i tell the difference?
March 8, 2008

french
We are learning about food items and I don't really get the rule of de la, du, and de l' and also the countable and non countable items. Can anyone please explain it to me?
March 7, 2008

french
why is it not la grande-mere but la grand-mere since it is feminine?
March 5, 2008

math
Thank you.
March 5, 2008

math
Hi, I have a math problem that I can't understand how to write the equation for. The question says: a ball is thrown upwards from an initial height of 20 meters at an initial velocity of 10 meters per second. Write an equation for the height (h) of the ball at time (t). ...
March 5, 2008

calculus - vectors
i don't get how that proves that |x dot y| equals the right side. can you please continue
February 28, 2008

calculus - vectors
Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )
February 28, 2008

Math (Vectors)
Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )
February 28, 2008

accounting
how do i find the net income
February 23, 2008

composition
Usually when you are ask to write about your family, do you usually have to write about yourself too?
February 23, 2008

french
what is the difference between all of these? nouveau, nouvel, nouvelle, neuf
February 21, 2008

English
what is a negative connotation and how do I make it a positive connotation?example:Traffic along Maple Street today was horrible, all because of a family of silly geese. The two words that need to be changed are horrible and silly. thanks michelle
February 20, 2008

Gr. 12 Data Management
Five different CD-Rom games: garble, trapster,zoom, bungie, and blast'em are offered as a promotion by SugrRush cereals. One game is randomly included ith each box of cereal. Determine the probability of getting all 5 games if 12 boxes are purcahsed.
February 16, 2008

Math (Ughh)
So what exactly is the defenition to Rate? Cumon is it that hard!
February 13, 2008

Psychology
Scenario: John is an 18-year-old freshman at New York University. John was the starting quarterback at his high school in a small town in Indiana. He enjoys playing sports and hanging out with friends. John has always been popular and done well in school and sports. Once he is...
February 6, 2008

algebra
How do you write the 3rd root of 88 in simplest form?
February 3, 2008

Psychology
I have to do a paper and am looking for some links for the following question:) Explain what role psychology has played in understanding and managing these health problems: cancer, cornorary heart disease, and headaches I only have to choose two.
January 28, 2008

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