Tuesday
October 21, 2014

Posts by Justin


Total # Posts: 764

1st grade
How does wheat turn into flour?
February 1, 2010

Physics
what is the force on a body of a mass 77-kg when its acceleration is 4m/s^2?
January 26, 2010

Finance
Suppose you short-sell 100 shares of a stock at $55 with a commission charge of 0.5%. You also payu commission charge for purchasing the stock to cover the short-sale. What is your profit if you close the short-sale at $54?
January 25, 2010

math
solve algebraically for 8x-y=4 and 5x 3y=17
January 14, 2010

Science
1. How did Linnaeus's system differ from that of Aristotle? 2. What changes in technology made people beging to realize that there were probably more than two kingdoms?
January 13, 2010

math
40 1/2 feet plus 122 3/8 feet plus 56 1/7 feet =
January 2, 2010

math
in a family with two children, what are the probabilities of two boys, the first is a girl the second is a boy, neither is a girl, at least one girl, assuming that the birth of boys and girls is equally likely.
December 9, 2009

Psychology
What is social facilitation and how has the definition evolved"
December 8, 2009

english
I need help on passive voice. Is the following sentence passive voice? The results of the aptitude test were told to us by the principal.
December 8, 2009

sicence
Surface waves cause the most damage, but they are ironically called _____. Loose waves Love waves Light waves Lemon waves
December 1, 2009

mathmatics
6 x (5min 29s)
November 29, 2009

algebra
(x^2+6x+9) + (y^2-4y+4)= 12+9+4 is equal to (x+3)^2 + (y-2)^2=25 How, if this works, is it related to a perfect square quadratic? Have we seen this work done before with something other than circles?
November 25, 2009

Math
I need help trying to figure out how my teacher got from (x^2+6x+9) + (y^2-4y+4)= 12+9+4 to (x+3)^2 + (y-2)^2= 25
November 25, 2009

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution
November 17, 2009

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution
November 17, 2009

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution
November 17, 2009

chemistry
how many grams of kno3 should be used to prepare 2.00 l of a 0.500m solution
November 17, 2009

math
if the ratio of the diameters of two spheres is A to B then what is the ratio of their volumes
November 12, 2009

English
I have to write a essay explain a crisis and having a hard time thing of one that would be full of information. so i need a topic.
November 10, 2009

pre algebra
-2 over three + -4 over 5
November 9, 2009

calculus
find dy/dx x=sin y
October 29, 2009

Math 156
False
October 24, 2009

Physical Geography
70 degrees N 0 degrees S 15 degrees E 44 degrees N 160 degrees W 88 degrees S 90 degrees N 90 degrees W 1) how many of the above grid lines run half-way around the world? 2) how many of the above are seen as points on the globe? 3) how many run east-west? 4) how many of the ...
October 21, 2009

English
I have to write an essay that has to do with definitions that are arguable. and i cant think of a one. please help me thank you
October 11, 2009

math
some times its (cold) u r down and sad other times its (hot) u r happy and uprising
October 1, 2009

complete and simple subject
in this sentences (Some people like to take classes to learn new things.) i think that the complete subject is (some people) and the simple subject is (some) i need help understanding how i can find a complete and simple subject in a sentence
September 29, 2009

complete and simple subject
i think that the complete subject is (some people) and the simple subject is (some)
September 29, 2009

complete and simple subject
where is the complete and simple subject in this sentence (some people like to take classes to learn new things.)
September 29, 2009

math
housewhole item less ten 90 degree
September 22, 2009

Algebra 1/2
I'm so confused about this worksheet too! I got the front side done but not the back, it's hard.
September 15, 2009

writing
In society today, some families don't have essential needs of financial stability, attention of their parents, and a comfortable household to grow up in a stable environment which lead to a dangerous future ahead. Comparing to that and our own vision of a model of an ...
June 24, 2009

Writing
How do I list multiple titles on a title page for an APA paper? For a final, there are 3 separate topics that will be covered, all broadly related, but not enough for a single title. Instructions were to include a single title page.....how would these be listed according to ...
June 17, 2009

American Gov
Use the link below to explore the exit poll results for past elections. Choose the poll results for your state. Research and take notes on the polls and the data provided. Then, write down ten results from the polls that indicate something interesting about the relative ...
May 19, 2009

Social Studies
Why is killing innocent people during war a bad thing?
April 18, 2009

Problem Solving
The answer I got was $116.54 weekly. If you divide his bi-weekly in half and multiply by 52 (weeks in a year), then divide by 12 (months).
April 18, 2009

Social Studies
I agree with you. I will let my parents know so they can talk to the teacher and I'm not going to answer this question when the question is false. I have one more question. Some people believe that war is wrong because innocent lives are being killed. How can I expand on ...
April 17, 2009

Social Studies
Why are Protests during war are unethical and unpatriotic. This was a bonus question that are teacher gave us worth 10 extra points.
April 17, 2009

chemistry
the volume, in liters, of 835 g SO3 at STP
April 12, 2009

Meaning
Its in my science text book. It was talking about new technology advancements.
April 12, 2009

Meaning
What does this mean? artificial intelligence could enable radical shifts in the balance of power.
April 12, 2009

Meaning
What does a quarantine area mean?
March 30, 2009

english
explain Romeo and Juliet Scene 4 A street near the Capulet house.
March 23, 2009

ALgebra
yes sorry
March 17, 2009

Algernr 2
Can someone please help me with these equations. 2x(x+2)(x^2 - 2x + 4) = 0 and Simplify (be sure to rationalize all denominators) 3/[SQRT(5) - 2]
March 17, 2009

Chemistry
If 2.50 g of CuSO4 are dissolved in 9.4 102 mL of 0.34 M NH3, what are the concentrations of Cu(NH3)42+, NH3 and Cu2+ at equilibrium? i tried doing Cu2+ first and i did Kf=5e13= salt/cu2+ nh3+^4 and i did molesCuSO4/.94 L = .01666 M salt so then i did .01666M/[cu][.34-(4*....
March 6, 2009

hard probability question
correction, on actually is one
February 23, 2009

hard probability question
four different written driving tests are administered by the MVD. on of these four tests is selected at random for each applicant for a drivers test. if a group consisting of two women and three men apply for a license, what is the probability that a. exactly two of the five ...
February 23, 2009

Chemistry
"X" is used to indicate a variable group amongst a class of compounds (though usually a halogen)
February 23, 2009

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

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