Friday

April 18, 2014

April 18, 2014

Total # Posts: 1,556

**8th grade**

Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases?

**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?

**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 – someth...

**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 f...

**enviromental science**

what are three ocean resource problems

**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?

**6th grade**

what is an organism and how do i do a report on how to explain one

**math**

trying to figure it out so I can help my 5th grade son figure it out. No textbooks to help parents

**math**

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

**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?

**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?

**chemistry/math**

If aluminum has a density of 2.78 g/ml, how much space would 32 grams occupy?

**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?

**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.

**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 quarter...

**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)

**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. T...

**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 t...

**Chemistry**

That sounds about right. K is more unstable, and reacts more readily.

**dictionary**

noun

**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

**College Sophmore**

x=The Width of the Grand Canyon 381 m = x/76 This simplifies to 381 meters multiplied by 76 = 28956 meters wide.

**arithmetic**

1+2+3+4+5+6=21 So the number is 123456.

**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

**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

**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...

**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...

**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...

**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

**math**

can you please help me?

**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.

**ecology**

thank you soooo much!!!

**ecology**

Why are 2nd order consumers more likely to be affected by a toxin than 1st order concumers?

**human services**

compare and contrast program planning and program evaluations in human service agency's.

**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 northwest...

**social studies**

I need a defination for "Direct Democracy"

**Art**

What is the type of artist that used Rhythm the most?

**Algebra**

Y=5+-6 y=7+-6X=2 7+=-6=4 y=8-6=8+4=12 SO THE APPLICATION OF X IS ABOUT TO MOVE EXACTLY WERE IT IS AND NEGATIVELY MOVE TO THE POSITIVE NUMBER SO THE ANSWER IS NEGATIVE 12

**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.”

**12th grade government/economics**

should the u.s move to an electonic currency and remove paper currency

**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

**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?

**catering**

it's a contract isn't it?

**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?

**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.

**science need info please**

what I need to do

**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 go...

**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 go...

**History**

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

**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.

**critical thinking**

When you encounter the word "since" in a sentence you should generally conclude that it is acting as which of the following

**health**

what population or groups were most adversely affected by deinstitutionlazion?

**maths**

how do i make p the subject of the formula q=5/3+p

**Grammar**

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

**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

**sewing**

sorry-#2 is thread clipper

**sewing**

#1--I'm stumped #2--thread ripper

**Chemistry**

nvm, PART D is correct.

**Chemistry**

I think the answer to part 1 is (E): Cu(s) Cu2+(aq) 2Ag+(aq) 2Ag(s)

**Science**

An argumentative article for the Sunday Gleaner discouraging people from hunting endangered species.

**math riddle ALGEBRA WITH PIZZAZZ**

Yeahh, its in a tenths situation. Thanks for the people who posted that. It really helped.;]

**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?

**unscramble**

C)a city

**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

**Algebra**

the set of values assigned to the independent variables of a function. does this help?

**Science**

What do elements and compounds have in common? How do they differ?

**french**

How do you say its 12:03. Do you say Il est midi trois. or Il est douze heures trois?

**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 m...

**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?

**french**

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

**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?

**french**

why is it not la grande-mere but la grand-mere since it is feminine?

**math**

Thank you.

**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). M...

**calculus - vectors**

i don't get how that proves that |x dot y| equals the right side. can you please continue

**calculus - vectors**

Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )

**Math (Vectors)**

Show that x dot y = 1/2 ( |x + y^2| - |x|^2 - |y|^2 )

**accounting**

how do i find the net income

**composition**

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

**french**

what is the difference between all of these? nouveau, nouvel, nouvelle, neuf

**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

**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.

**Math (Ughh)**

So what exactly is the defenition to Rate? Cumon is it that hard!

**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...

**algebra**

How do you write the 3rd root of 88 in simplest form?

**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.

**biology: the study of life**

false

**Basic Math**

Im so confused with these questions: which of the following numbers are composite? 0,1,15,19,23,31,49,55,59,87,91,97,103,105 A. 1,23,31,59,91 B. 15,49,55,87,91,105 c. 0,1,19,23,31,105

**physics**

an elecrton is placed in a uniform electric field of 232 n/c charge. if the electron is at rest at the origin of t=0 and the field is in the positive direction, what are the x and y coordinates of the electron at t=2.3 ns

**Science**

How do cells recycle molecules after apoptosis? Which molecules do they recycle and why?

**science**

What volume of helium would be in a balloon the size of a soft drink bottle?

**AP Biology**

This is my second one, but my last one to ask that i didn't understand IS it possible for a population's genotype frequencies to change from one generation to the next but for its gene (allele) frequencies to remain constant? Explain by providing example.

**AP Biology**

wait i am missing a part to it, this is the final question in complete XD i skipped a sentence The ear tuft allele in chicken is autosomal and produces feathered skin projections near the ear on each side of the head. This gene is dominant and is lethal in the homozygous state...

**AP Biology**

The ear tuft allele in chicken is autosomal and produces feathered skin projections near the ear on each side of the head. This gene is dominant embryos do not hatch from the egg. Assume that in a population of 6000 chickens, 2000 have no tufts, and 4000 have ear tufts. what a...

**college**

How good is the University of Washington compared to Oregon State University? Does it matter where i go for undergraduate? I'm an Oregon resident but i really want to attend the UW after high school but that would put me in so much dept afterwards. Going to OSU would put m...

**literature**

A. Climax

**french**

clearly like water of rock???"

**french**

exact translation clearly like water of rock???"

**Social Studies**

what is the name of the medieval political and social system, based on agriculture?

**Chemistry (materials)**

I have 3 questions: 1) how might the actual structure of a diamond help explain why it is sometimes found in the form of large, single crystals? 2) what feature of graphite's structure might account for its usefulness as a lubricant? 3) why are fullerenes powfery as solids...

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