Thursday
October 27, 2016

# Posts by justin

Total # Posts: 916

Math
I need to find the surface area and volume of a right regular hexagonal prism. The height is 10cm and the sides of its base measure 18cm. You round to the nearest hundredth.
February 23, 2009

College Algebra
3 6 8x +27y Factor the binomial
February 22, 2009

computer
unscramble this word ienerpgcd
February 19, 2009

English
Vocabulary
January 19, 2009

4th grade
If a car is traveling 60 miles per hour, how far does it travel in one minute? Thanks
December 17, 2008

uc probation
My question was can a student be put on academic probation if his gpa falls below a 2.0 during a SUMMER SESSION?
December 13, 2008

Spanish
Can you help me unscramble this Spanish word: Doucra?
November 13, 2008

9th grade Lit. B
What are the type of clauses? Give examples of clauses.
October 24, 2008

algebra with pizzazz
why did king kong eat a truck?
October 19, 2008

chem
25.8 degrees Celsius
October 17, 2008

Math
What property is shown? 9.5 + 6.1 + 2.3 = 9.5 + 2.3 + 6.1 5.1(7.4 - 3.1) = 5.1(7.4) - 5.1(3.1) Round to the nearest tenth 1.58 (divided by) 1.1 Change each measurement to the given unit 5.17 kL = _ km 2km 7 m = _ km Find each product mentally using the distributive property 3(...
September 14, 2008

math
well is the answer 2,3,5 and 29
September 11, 2008

math
what r the factors of 870
September 11, 2008

6th grade
on a 30-board used for factors. pick two different numbers on the 30 board that will give you the largest number when you multiply them together
September 11, 2008

12th grade
IN THE BOOK LYDDIE HOW DID THE FAMILY ESCAPE THE BEAR INTRUSION?
August 25, 2008

social studies
mexico city is surrounded by mountains. what effect has this had on the air quality in this city?
May 29, 2008

Math
Solve : 2x - 3 = 5
May 13, 2008

Calculus
f(x)=4sinx/1+cosx find f'(x) this is what i got and i dunno what i did to get it wrong (4cos(x)+ 4cosx^2-4sin(x)^2)/cosx62
May 6, 2008

Calculus
Let f(x)=9sinx/2sinx+4cosx Then f'(x)=________ . The equation of the tangent line to y=f(x) at a= pi/2 can be written in the form y=mx+b where m= _____and b=_____
May 6, 2008

Trig
Find sec theta if sin theta = -4/5 and 270 degrees < theta < 360 degrees.
May 5, 2008

science
Do enzymes speed up or slow down chemical reactions?
April 15, 2008

chem-help
the bright yellow light emitted by a sodium vapor lamp consists of two emission lines at 589.0 and 589.6 nm. what are the frequency and the energy of a photon of light at each of these wavelengths? what are the enegies in kJ/mol
April 14, 2008

Philosophy
1. Determine whether the following arguments are valid or invalid. If valid determine whether they are sound. Be sure to explain what validity is and how you determine whether an argument is valid or not. Explain your answers in as much detail as you can. There is no length ...
March 30, 2008

12th grade math help!!!!
if (x,y) are the coordinates of a point p in the xy plane then x is called _______ of p and the _______ of p
March 28, 2008

biography
where can i find information on queen latifah. i have to write a biography about her..
March 25, 2008

math
lol dud
March 7, 2008

math
No space?!? Lol I need help!
March 7, 2008

math
if 20 counters are the whole set,what fraction of the set is 16 counters?
February 12, 2008

spanish
Can you please tell me if my paragraph is correct? Thanks. Tenia hoy un mal dia. Primero me cai de mi cama. Entonces no habia agua caliente. Finalamente la parte peor de toda eq que camine' en heces del perro. El dia es desmesurado.
February 12, 2008

Science
How do can we help marshes
February 7, 2008

Math
It was 47F today. How many degrees above freezing is this? Number Sentence____________________ Answer____________
February 5, 2008

math
2 thirds of 25
January 29, 2008

english
I need help
January 29, 2008

Math Analysis
A quartic polynomial Q(x) with real coefficients has zeros 2+i and 3-2i, find the other two zeros.
January 27, 2008

math
yes, but you put the commas like this: 1,800,000
January 27, 2008

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
January 18, 2008

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...
January 18, 2008

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...
January 18, 2008

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
January 18, 2008

social studies
what magical figures were wrapped within a mummies wrappings
January 17, 2008

mass affects on energy
I need to come up with an experiment for observing how mass affects energy. Does anyone have any suggestions?
January 13, 2008

physics
8.1*10^4
January 8, 2008

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.
January 1, 2008

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 ...
January 1, 2008

References
what about if it is a website? Is it the date i first visited that website?
December 2, 2007

References
In APA citation format, there need to include Retrieved Date. What does Retrieved mean? What date should I put?
December 2, 2007

physics
3.9 m/s2
December 1, 2007

Business
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.
November 17, 2007

Maths
What's the answer for x^2-2x+3 and 2x^2+9x+4?
November 3, 2007

math
how to do factor completely
October 24, 2007

Business
What are the advantages and disadvantage of minimax regret criterion?
October 20, 2007

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...
October 16, 2007

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 ...
October 16, 2007

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!!!
October 16, 2007

math
Given: x+(1/x)= square root of 3 PROVE: (x^13)+(1/(x^13))= square root of 3
October 15, 2007

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
October 10, 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!
September 30, 2007

3rd grade math
length in feet and inches
September 27, 2007

finance
did you find out the answers? im in mba now and i just got the same assignment. pls lemme know
September 24, 2007

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?
September 23, 2007

Science
An electron travels 1.86m in 4.43e-8s. How fast does it travel?
September 21, 2007

Algebra 1
2x-4/x2*-9 times x+3/x2*-2x *means squared
September 20, 2007

MATH
DID Blaise Pascal help the map the foundation for the theory of probility
September 17, 2007

MATH
WHAT IS AN NEGATIVE ANGLE
September 17, 2007

MATH
on a compass,north has a heading of 0 degrees what is the heading when your going east,south or west
September 17, 2007

math
on a compass,north has a heading of 0 degrees what is the heading when your going east,south or west
September 17, 2007

Math
THE WIFE GOT 1740 THE FIRST CHILD GOT 1240 N THE SECOND CHILD GOT 620
September 17, 2007

math
what is 3.6731 in expanded form?
September 12, 2007

math people
how would you simplify 8a-4+8-2a?
September 11, 2007

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
wish I had math problems like that!
September 11, 2007

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
Yes, you are on the right track then
September 11, 2007

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
By the way, I think you would also put an = under the greater than sign when you write it.
September 11, 2007

REPOST- PLEEEEEEEEAAAAAAASE HELP!!!!!!!!!!!!!!!!!
do you have to figure out the value for n?
September 11, 2007

OH MY GOSH! WILL SOMEONE HELP ME ALREADY?!?!?!
Please see MATH DUDES!!! for my 3 questions.
September 11, 2007

MATH DUDES!!!
so then 6a = 25.33333333repeating? something or other?
September 11, 2007

hey Justin...
You mean what math class? I'm in geometry.
September 11, 2007

MATH DUDES!!!
thank you for your help!
September 11, 2007

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
September 11, 2007

us history
i need help unscrmbling AAMERGDIMCB it is a city and an abriviated state...please someone help
September 8, 2007

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
August 22, 2007

chemistry
I think it isn't possible because.... NVM.
August 17, 2007

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....
August 1, 2007

math
Good question
June 6, 2007

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!!!!!!!!!!
May 11, 2007

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.
April 22, 2007

english
Haha, that is classic. Yesterday, Today, Tomorrow. Name 3 consequative days with out using Sunday, Tuesday or Thusday?
April 2, 2007

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 ...
April 2, 2007

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...
March 29, 2007

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*...
March 21, 2007

science
Whats the formula for FeCl3 ferric chloride? im not sure what you're asking
February 22, 2007

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 ...
January 25, 2007

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. ...
January 22, 2007

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 ...
January 22, 2007

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...
January 11, 2007

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.
January 11, 2007

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 ...
January 4, 2007

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 ...
November 20, 2006

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