Thursday

July 24, 2014

July 24, 2014

Total # Posts: 931

**calculus**

given y = 4x-3 find the minimum value of xy. find the rate of change of xy with respect to x. find the rate of change of xy with respect to y.

**calculus**

let x^2 + 4xy + y^2 + 3 = 0 are there any points on the curve where the tangent is horizontal or vertical? justify your answer.

**US history**

1. Andrew Jackson exerted the power of the presidency by a. allowing South Carolina to secede from the Union. b. depositing federal funds in the National Bank. c. refusing to be bound by Supreme Court decisions. d. vetoing the Force Act of 1833. 2. The depression of 1837 had i...

**English**

Well, the practice test is automatically scored and it keeps telling me I'm wrong. I've entered it as many ways as I can for over a week (I'm practicing twice daily), and I can't get it right!!

**English**

Thank you, I'll give it a try!

**English**

At McDonald's, we devoured four Big Macs, three orders of french fries, and five Coca-Colas for lunch.

**English**

How do you write the following sentence grammatically correct: At mcdonalds we devoured 4 big macs three orders of french fries and five coca colas for lunch.

**to mrs. sue english essay**

I suggest you focus on the purposes of colleges and universities. You can research this topic. Essentially, though, I think you'll find that their purposes are three-fold: to educate students in the classical sense of being well-rounded educated citizens with a knowledge o...

**english essay**

Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When filling out the form...

**sorry: subject: english essay**

the last paragraph is my conclusion

**to writ teacher**

Life after College Caitlin Petre is a graduate from Stanford University. She graduated with a 3.90 GPA with a Master’s degree in Philosophy. One day after graduation, Petre went for an interview for a job and she was asked to fill out a W-4 form. When filling out the form...

**essay cont.: mrs. sue**

The next step for a student to do is to take all of the information he or she learned in the class, and apply it to his or her future. For example, when one buys a house in the future, it is necessary to take out a loan. To do this, one has to consider interest rates and must ...

**to mrs. sue: essay cont.**

I wrote two of my paragraphs yesterday about how colleges do offer life skills but students have to apply it. These are my next two paragraphs and i was wondering if you can correct my grammer. An example of a class offered in college that benefits students in their financial ...

**essay cont. to Mrs. Sue**

I disagree with Petre’s view that colleges don’t help students in real life situations. It is true that colleges mainly focus on teaching students on what’s written in books. However, colleges do offer classes and variety of workshops that help students see the ...

**please revise my paragrpah**

Caitlin Petre is a graduate from Stanford, a well-known school. She graduated with a 3.90 GPA with a Philosophy degree. One day, Petre went for an interview for a job and she was asked to fill out a W-4 form. While filling out the form, Petre experienced some trouble because s...

**integral confusion**

integral of Sec[2x]Tan[2x] i know u is sec 2x du=2sec2xtan2x dx what would i have to multiply with du so it would equal tan 2x dx? if my question is confusing, then here's another example of what i'm talking about: integral of (3x-2)^30 dx u=3x-2 du=3 dx 1/3 du=dx (i n...

**english essay help**

hi,in my english class, we had to read an article about a girl who attended stanford. she went for an interview and had trouble filling out the forms. she thinks that colleges don't offer classes that help kids in real life situations. for example, she thinks colleges need...

**Calculus**

I am so confused, this is not making any sense

**Calculus**

Okay so I got q=1000+200x p=20-1x x=weeks R=20-1x(1000+200x) R'=3000-400x Is this right? If so how do I find how much the revenue is rising or falling and at what rate would sales have to be increasing to accomplish $5000 revenue increase per week?

**Calculus**

What do you mean in step 2?

**Calculus**

At the moment OHaganBooks is selling 1000 books per week and its sales are rising at a rate of 200 books per week. Also, it is now selling all its books for $20 each, but the price is dropping at a rate of $1 per week. I need to know at what rate OHaganBooks' revenue is ri...

**math**

At 9:30 A.M. Andrew left Exeter for Portsmouth, cycling at 12 miles per hour At 10:00 A.M. Stacy left Portsmouth for Exeter, cycling at 16 miles pewr hour. The distance from Exeter to Portsmouth is 20 miles. At what time did they meet?

**Math**

It takes a plane 40 minutes longer to fly from Boston to Los Angeles at 525 miles per hour than it does to return at 600 miles per hour. How far apart are the cities?

**Economics**

I know the Fed uses four tools to influence/or control the money supply of the U.S. 1. Feds Fund rates 2. Open Market 3. Reserve requirements 4. Discount rate Can someone please explain what they are and how the fed uses them. I have a test waiting for me after thanksgiving. I...

**Science**

I want to know what the lids on the pickle jars that when you open make that popping noise are made of. Can you help me?

**ENGLISH**

Thank you! :]

**ENGLISH**

One of her favorite sayings is, “You should always try to be the best that you can be.” Is the above sentence written and punctuated correctly? ^ Thanks! :]

**engineerig science**

I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...

**engineering science**

i need names of companies that produce fiber optic cables one company is called Optic Cable Corporation i need help in finding more companies

**sorry. there's no particular subject. it's a puzzle question**

i kind want to know how to figure this out.

**trick question**

John, Jack, Joan and Jane are Art Critic, Aviator, Acrobat and Architect, though not necessarily in that order. The aviator, who is happily married, earns more than his sister, the art critic. Joan has never heard of “perspective”, John is a misogynist. Who is the ar...

**greatest events after 1987**

List five events which have occurred after 1987 that you feel have most markedly altered your economic/technical future. i have to come up with five things but i'm stuck. i'm researching on the internet but i can't find anything. telephones and electricity changed ...

**what is an engineer**

Provide a minimum of 10 characteristics typical of engineers / engineering. (three to five word phrases maximum). These are the ones i came up with so far: Question all results Proceed with contradictory data Study of the human-made world Engineers determine course of action c...

**thomas alva edison**

thanks for ur opinions

**thomas alva edison**

I have a list of people where i have to separate them into scientists and engineers and i have one doubt. is thomas alva edison an engineer or scientist. i know he invented light bulb and phonograph. but i was doing a research and he was known as a scientist. i thought people ...

**my answer #2**

as my total rent, i got 850 dollars. the man will increase the rent by a maxium of 50 dollars. i plugged in 30 into the revenue function and i got 4900. 4900/100 is 49 dollars per unit. i rounded 49 to 50.

**please chech my answer optimization**

The manager of a 100-unit apartment complex knows from experience that all units will be occupied if the rent is $400 per month. A market survey suggests that, on the average, one additional unit will remain vacant for each $5 increase in rent. What rent should the manager ch...

**maximizing profit calculus**

During the summer months Terry makes and sells necklaces on the beach. Last summer he sold the necklaces for $10 each and his sales averaged 20 per day. When he increased the price by $1, he found that he lost two sales per day. a. Find the demand function, assuming it is line...

**please correct grammer in my paragraph**

but if there is no author.

**please correct grammer in my paragraph**

The critics of power plants are right: The amount of radiation power plants release is dangerous. However, people don’t realize that they are constantly exposed to radiation by various ways. One can get exposed to radiation of 350 millirems from just standing in the sun f...

**bibliography**

I'm writing an essay and I know after a quote, you write the author's name in parenthesis. however, i'm using a quote from a website, the article doesn't have an author. it is a website that just states statistics about my topic and issues and problems. so what...

**essay cont.**

A common argument made against Diablo Canyon is its effect on people’s health and safety in the community. The purpose of Diablo Canyon and other power plants is to produce electricity and energy by fuel and heat. This heat is produced by using chemicals called uranium as...

**please revise my two paragraphs of my essay**

Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among communities, especially in S...

**intro of my essay**

Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among communities, especially in S...

**English: DEBATING!**

Thanks for all the help, I really appreciate it!!!

**English: DEBATING!**

Hi I need help I am finding my topic quite difficult. I am the 1st speaker for affirmative team with the topic: That in life there are more snakes than ladders." Its a difficult research/investigating topic, so I'm not sure what to say, and how to do my research. Plea...

**continued**

so basically i need a solution on how to reduce the danger of power plants in the environment and opinions of people who would oppose my view such as people working in the power plant. like they want to keep their jobs maybe???

**essay info help**

i'm doing an argument essay on why power plants should be shut down my college is like ten miles away from this power plant so it a very big issue in my town and i want to argue against power plants. i wrote down all my arguements, but i need help coming up with solutions ...

**absolute maximum**

absolute maximum of (x^2-4)/(x^2+4) the critical numbers i got was x=0,-2.59, and 3.09 the absolute minimum is f(0)=-1 what is the absolute maximum: is it both f(-4)=(f(4))=.6? or can there only be one

**AP Chemistry**

Finish the equation: Solutions of zinc sulfate and sodium phosphate are mixed

**essay question**

i'm doing an argumentative essay about how hazing for fraternities is dangerous. do sororities have hazing too or is it only fraternities/

**please everyone post opinions. everyone is welcome**

is it wise to plan your life for next twenty years now? i'm asking opinions from people for my project so i will appreciate if you please participate. To start off, this is my answer: i think it is wise because have broad plans in goals in life will give an idea to people ...

**writing**

im writing an essay about the analysis of the origins of the american revelution. what would be a good thesis?

**math**

hello, i have some question about rational functions. 1) are there any sites that are good in teaching graphing rational functions? 2) for the domain of the rational function it is what the denominator cannot equal to rite? for example the denominator of x^2-7x+10 can be facto...

**days of the week**

i'm choosing classes for my college and i know M is monday T is tuesday W is wednesday F is friday But what is TR and R. Is TR thursday

**my topic. students, please post ur opinion too.**

hi i need help coming up with topics for my argumentative essay. we can't write about topics such as abortion and gay rights and marriages like that. my teacher said to pick local issues in our town to write about. but there are no topics in my town to write about. should ...

**essay intro repost**

Biomedical engineering is a field that saves peoples’ lives by using advanced technology in medicine. Being a biomedical engineer requires being good at solving problems in biology and medicine. Engineers design new devices and instruments which they can use to do researc...

**essay intro**

Biomedical is a field that saves peoples’ lives by using advanced technology in medicine. Being a biomedical engineer requires being good at solving problems in biology and medicine. Engineers design new devices and instruments to help them do research or develop new proc...

**ENGLISH**

Thank you! :]

**ENGLISH**

I wasn't sure if the comma should be there or not...

**ENGLISH**

Through their guidance and love, they have changed me in many ways. Is the above sentence grammatically correct? Thanks! :]

**physics help**

Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N

**financial management**

A treasury bond that matures in 10 years has a yield of 6%. A 10 year corporate bond has a yield of 9%. assume that the liquidity premium on the corporate bond is 0.5%. What is the default risk premium on the corporate bond?

**phy.**

Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -force= GMm/d^2 would i set it up like force= (9.8m/s^2)(300 N)? an astronaut lands on a planet that has twice the mass as earth and twice the diameter. how do...

**phy.**

check my understanding please. Larry weighs 300 N at the surface of the earth. what is the weight of the earth in the gravitational field of Larry? -would it still be 300 N an astronaugt lands on a planet that has twice the mass as earth and twice the diameter. how does the as...

**Math**

Evaluate 3 1/4x for value of x. question: x=-3

**algebra**

I need help with a couple of math problems. subtract 5m^2+2m+9 from 7m^2-5m-8 simplify (m^4)^3(m^2)^9/(m^3)^2

**math**

It said 0.75 (or 3/4), which is a very common fraction, so she had probably seen it before. Is that what you mean?

**ENGLISH**

Is this sentence grammatically correct? I have had my ups and downs, my triumphs and my failures. It isn't a homework problem or anything; I am writing an autobiographical essay and I wasn't sure if this was correct or not... THANK YOU! :]

**math**

I'm not sure I'm following the question but I know that 4 will give you the same perimeter and the same area. If each side of a rectangle is 4, then 4+4+4+4=16 (perimeter). 4x4=16 (area)

**Math**

can someone please answer this quetion 25= y - 4 What does y stand for, the line in the middle of y and 4 means to divide

**social sudies**

i just did this in school today surplus means an amount or quantity beyond what is needed for immediate use

**Scientific notation**

what does 5.2 x 10^1 equal

**Scientific notatioin**

thank you

**Scientific notatioin**

someone plese answer these questions, i want to find out if these sentences are <, >,= The underslashes are blanks the x's mean multiply and the number after 10 is a power 3,000_3.0 x 10 3 8,800_8.8 x 10 4 659.000_ 6.59 x 10 5

**math**

sorry i typed it wrong i mean 2.5m+2.5 _________ 5 M-3

**math**

2.5+2.5 ________ 5 What does that mean someone please answer question

**social studies**

how many cities are in oceania

**Math 11**

The equation y= x^2-8 is translated 7 units to the left. Which equation describes the graph after it has undergone this translation? a) y=x^2-1 b)y=x^2-15 c) y=(x+7)^2-8 d) y=(x-7)^2-8 e) y=-7x^2-8

**chemistry**

one moles of a compound containing only carbon, hydrogen, and nitrogen was burned in the presence of excess oxygen to give 264g of CO2, 63 g of H20, and 46 g of NO2. Calculate the molecular formula of the compound.

**chemistry**

a 2.800 g sample of metal M reacted with oxygen to form 3.365 g Ms)3. What is the atomic mass of the metal M?

**math**

d/9=-10 d=? please go through the steps.

**Biochem**

I have to memorize the 20 amino acids and some nucleotides...do you know where I can find some mnemonic tips for this???

**Physics**

so which is away and which is toward

**Physics**

helllo

**Physics**

a graph of an object moving a line (+ axes)on acceleration-time graph > how can i describe how an object might move to create this graph if it is moving away from the origin. >how can i describe how an object might move to create this graph if it is moving toward the ori...

**economics- opportunity cost**

For how the opportunity cost vary? Answer: Because its expressed in relative price, and it price of one choice to the price of another.

**history**

ugh, im lost on this one....plz help =/ Describe the aims and results of the conciliar movement.

**History**

its quite easy, y is there ever any confrontation throughout history? its always about land....territory prty much all wars are over land

**Psychology**

O sorry I didnt know that is what you meant. I will wait for the right person to answer it.

**English**

What does that mean?

**English \ Psychology**

Could you tell me what help needed is suppose to mean?

**English**

I am doing a project on Frankenstein and we have a quote "My vices are the children of a forced solitude that I abhor, and my virtues will neccesairly arise when I live in communion with an equal" I am having a hard time understanding what it means. I have to relate ...

**AP Physics**

Would it be correct to say that inertia is the reason a moving object continues in motion when no force exists? I think that is correct. Inertia is the property that allows an object to continue moving in the same direction and at the same velocity unless acted upon by a force...

**Axia**

The creature sat upright and tugged at the shackles binding his ankles, Frakenstein uttered a piercing scream I'm not sure what you are asking here, but if it's about the construction or any errors in what you've typed in, here goes: That is not a grammatically cor...

**Economics**

zero economic profit?

**science**

if a magnet is moved in and out of a coil of a copper wire, electrcity begins to flow through the coil. True or False If the coil is in a closed circuit then electricity will flow, if not there will be only an induced emf.

**Math**

how do you reduce a fraction Dividde both the numerator and denominator by the largest common integer possible. Then cancel them out. For example, in the fraction 15/25, the largest integer that is divisible evenly into both numerator and denominator is 5. So you would write 1...

**Math**

look at this other chart- 36 of 200 cat owners prefer human food only, 116 out 0f 200 perfer pet food only,48 out of 200 pet owners perfer human and pet food so what percent of cat owners repoter that their cats liked either human food or pet food only. Write the percent as a ...

**Math**

look at the chart- out of 150 dog owners 75 perfer human food only,45 perfer pet food only and 30 perfer both human and pet food. So what percent of dog owners reported their dog likes either only human food or only pet food? P(human food) = 75/150 = .5 P(pet food)= 45/150 = ....

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