# Posts by justin

Total # Posts: 982

Calculus
Use the Midpoint Rule with the given value of n to approximate the integral. Round the answer to four decimal places. int_2^10 2 sqrt(x^2+5)dx text(, ) n=4

calculus
Consider the given function. f(x) = 3 sin(6x) text(, ) 0<=x<=(3pi)/2 (a) Find the Riemann sum with six terms, taking the sample points to be right endpoints. (Give your answer correct to six decimal places.) R6 = (b) Repeat part (a) with midpoints as sample points. (Give...

calculus
Consider the given function. f(x) = 3 sin(6x) text(, ) 0<=x<=(3pi)/2 (a) Find the Riemann sum with six terms, taking the sample points to be right endpoints. (Give your answer correct to six decimal places.) R6 = (b) Repeat part (a) with midpoints as sample points. (Give...

Calculus
Use the Midpoint Rule with the given value of n to approximate the integral. Round the answer to four decimal places. int_2^10 2 sqrt(x^2+5)dx text(, ) n=4

social studies
what magical figures were wrapped within a mummies wrappings

mass affects on energy
I need to come up with an experiment for observing how mass affects energy. Does anyone have any suggestions?

physics
8.1*10^4

more chemistry this time concentration
Some of the problems. I honestly have no clue how to do these/where to look for answers. What is the concentration of 5.28*10^14 Carbon Tetrachloride molecules dissolved in 149 mL of water? How many grams of Carbon Dioxide will there be in a 16.43 mL of a .03M solution.

Chemistry=MOLES!
I'm having trouble converting moles to grams and finding the mass of molecules. Problems I'm stuck on: What is the mass in grams of .99x10^49 Sodium Chloride Molecules? and How many moles of Cu are in 9.61 grams? and How many moles are in 5.94x10^45 Ne atoms? I just ...

References
what about if it is a website? Is it the date i first visited that website?

References
In APA citation format, there need to include Retrieved Date. What does Retrieved mean? What date should I put?

physics
3.9 m/s2

A friend of mine is planning on becoming an insurance agent, he is trying to decide whether he should represent just one insurance company, or several companies. Can you help me think of some of the pros and cons for each option.

Maths
What's the answer for x^2-2x+3 and 2x^2+9x+4?

math
how to do factor completely

math repost!!
please help, i procrastinated and now this is due tomorrow!! A tangent line is drawn to the hyerbola xy=c at a point P. 1) show that the midpoint of the line segment cut from the tangent line by the coordinate axes is P. 2) show that the triangle formed by the tangent line and...

math
A tangent line is drawn to the hyerbola xy=c at a point P. 1) show that the midpoint of the line segment cut from the tangent line by the coordinate axes is P. 2) show that the triangle formed by the tangent line and the coordinate axes always has the same area, no matter ...

MATH!!
Find equations of both lines through the point (2, -3) that are tengetn to the parabola y=x^2+x i got the derivative as y prime = 2x +1, and i don't know where to go from there. PLEASE HELP this is due tomorrow!!!

math
Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3

Math
what is the answer to the dot thing were you have three rows of there dots and you have to connect them all with four straight lines and no diagnals plez write back befor october 13 2007

Chemistry
For the compound Ge[S(CH2)4 CH3)]4 determine: a.) the ratio, by number, of C atoms to H atoms b.) the ratio, by mass, of Ge S THANKS!

length in feet and inches

finance
did you find out the answers? im in mba now and i just got the same assignment. pls lemme know

Micro Economics
The Production Possiblilties Curve shows that when an eceonomy is acting at its full petential it will be poducing on a point just beyond the Curve. ture or false. Why?

Science
An electron travels 1.86m in 4.43e-8s. How fast does it travel?

Algebra 1
2x-4/x2*-9 times x+3/x2*-2x *means squared

MATH
DID Blaise Pascal help the map the foundation for the theory of probility

MATH
WHAT IS AN NEGATIVE ANGLE

MATH
on a compass,north has a heading of 0 degrees what is the heading when your going east,south or west

math
on a compass,north has a heading of 0 degrees what is the heading when your going east,south or west

Math
THE WIFE GOT 1740 THE FIRST CHILD GOT 1240 N THE SECOND CHILD GOT 620

math
what is 3.6731 in expanded form?

math people
how would you simplify 8a-4+8-2a?

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
wish I had math problems like that!

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
wow, that's easy

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
Yes, you are on the right track then

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
By the way, I think you would also put an = under the greater than sign when you write it.

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
do you have to figure out the value for n?

OH MY GOSH! WILL SOMEONE HELP ME ALREADY?!?!?!
Please see MATH DUDES!!! for my 3 questions.

MATH DUDES!!!
so then 6a = 25.33333333repeating? something or other?

hey Justin...
You mean what math class? I'm in geometry.

MATH DUDES!!!
thanks

MATH DUDES!!!

MATH DUDES!!!
I have 3 questions. 1.whats the value for h in 12h+9=85? 2.whats the value of m in 6m squared + 5 = 128? 3.what's the value of a in 8a-4+8-2a=156 Thank you if you help me

us history
i need help unscrmbling AAMERGDIMCB it is a city and an abriviated state...please someone help

Math(Geometry)
7. N,T.. o,t,t,f,f,s,s,e= one,two,three... 8. J, J.. j,f,m,a,m= Months 13. james john.. Presidents in order 14. Elizabeth, louisa.. First lady's 15.andrew, ulysses.. presidents on money, \$20, \$50 16. Gemini,cancer.. Astrology

chemistry
I think it isn't possible because.... NVM.

geography
heyy, i need to know where Australia buys most of its defensive weapons for the army (im guessing America or one of those Asian countries) Thankyou! Much apreciated = D Thank you for using the Jiskha Homework Help Forum. Here are some sites for you to visit: 1. http://www....

math
Good question

english
What is once in minute, twice in a moment and never in a thousand years m The answer is the letter "M" Thanks for your help, Dr. Russ Justin's Great Grandma!!!!!!!!!!

Physics
Because the ice acts as an insulator. The water will freeze to a certain point and will be near freezing, but the ice above will allow the water below to maintain it's heat energy.

english
Haha, that is classic. Yesterday, Today, Tomorrow. Name 3 consequative days with out using Sunday, Tuesday or Thusday?

Statistics
Could someone please help me with this question. I did the entire question, but then when I was assigning them to the two different types of treatments, I was having some trouble. I just figured that you could just number the females 1-42, and randomly pick 10 of them, and ...

Math
I have a problem that states to simplify. The equation is d=sqrt(x^2+(4-x^2-2)^2) The book tells me that the answer simplifies to sqrt(x^4-3x^2+4). Can you please help me understand where the -3x^2 came from? Thanks! d=√(x^2 + (4 - x^2 - 2)^2) =√(x^2 + (2 - x^2)^2...

Computer
I am finishing up an assignment in Microsoft Access and am having trouble understanding how to make this formula. The question states to write a query that shows each customer (Id, first and last name) along with the total amount of revenue for each customer (revenue=quantity*...

science
Whats the formula for FeCl3 ferric chloride? im not sure what you're asking

Physics/Math
32.83 m/s

Math
You timed yourself typing a book report. It took you 28.8 minutes and the report was 4.5 pages long. Hoh long would it take you type one page? a. Write an expression to find the amount of time it will take to type one pate. b. Tvaluate the expression. How lin will it take to ...

Gov't
Which of the following is NOT a major function of either of the two major parties in the United States? a. To keep the general public informed about key issues. b. To monitor the conduct of its candidates in office. c. To assure the qualifications of candidates for office. d. ...

Gov't
I need to see if I got the right answer. Thanks. Which of the following groups has tended to support the Democratic psrty in recent decades? a. the business community b. Protestants c. union members d. white males I think it's c - union members because the others tend to ...

Chem
what is the meaning of "accepted value" with respect to an experimental measurement? Accepted value means that the majority of reasonable folks will accept that value as true. O thanks.. one more question When brought to the surface of the moon, will a mass have more...

Chemistry
Why are numbers used in chemistry often expressed in scientific notation? They otten are very large or very small. Printing those types of numbers is onerous.

Just 2 sentences.
The problems of conflicting expectations. The importance of not selling out. Can anyone make that sentences more simple? cuz I don't get what those means... I don't see a verb in either. Are these sentences, or sentence fragments? If these had verbs and objects, it ...

math, beginning algebra
durrrr

help+ english!
I have to write an informal persuasive speech any suggestions? Justin, Here is a good general site on making a persuasive speech. http://timpview.provo.edu/~jeanar/rock_files/persuasive%20begin.htm If you are looking for topics.... if it is to be informal, then choose a topic ...

Hamlet!
What is the dramatic purpose of Scene IV? sorry Act 4 scene 4 This scene reminds Hamlet of his purpose. "Act IV, scene iv restores the focus of the play to the theme of human action. Hamlet’s encounter with the Norwegian captain serves to remind the reader of ...

articles of confederation
she is not a retard that was rude of you

History
w8 scratch that its spelled cartonnage

History
cartonage

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...

word unscramble
I need word to unscramble the word Nouns please. Thanks

natural philosphy
Explain Platos conception of the cosmos, emphasising the ways in whish his thought represents a a synthesis of pre-socratic thinkers and the ways in which his thought reflects his idealist epistemological stance. Since this is not my area of expertise, I searched Google under ...

book
tell me your favorite book and what about it is. I have to take a survey. My favorite book is The Notebook by Nicholas Sparks because I love to read love stories and see that there is such a thing as true love. Thanks Katelyn. Can you also tell me brief story of it? I need it...

Science
Science an organized way of studing things and finding What is your question?

Science
I'm struggling on science, too. What is the element used for? There are more than 100 elements. To which element do you refer? Which element? Please read the fowwowing site: http://en.wikipedia.org/wiki/Chemical_element alminum. http://www.webelements.com/ Click on element...

English
Has anyone read "on the pulse of the morning"? If somebody has, please tell me the poet's visition of america and american dream. Please read over the poem as if you weren't reading a poem -- that is, don't stop and pause at the end of every line. Read it...

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