Thursday
October 2, 2014

Posts by james


Total # Posts: 1,840

Physics
Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. do i use the formula U=-GMm/r I get 290 MJ?
March 20, 2009

Physics
Two meteoroids 250,000 km from Earth are moving at 2.1 km/s. Meteor one is headed in a straight path for Earth, while meteor two is on a path that will come within 8500 km from the Earth's center. (A) What is the speed of the first meteroid when it strikes Earth. (B) What ...
March 19, 2009

Physics
The hockey captain, a physics major, decides to measure the speed of the hockey puck, He loads a small styrofoam chest with sand, giving it a total mass of 6.4 kg. He places the chest and embeds itslef in the styrofoam. The chest moves off at 1.2 m/s. What was the puck's ...
March 18, 2009

English III
What is the theme of follow the poem Follow the Drinking Gourd? Give examples.
March 18, 2009

physics
Two meteoroids 250,000 km from Earth are moving at 2.1 km/s. Meteor one is headed in a straight path for Earth, while meteor two is on a path that will come within 8500 km from the Earth's center. (A) What is the speed of the first meteroid when it strikes Earth. (B) What ...
March 17, 2009

stats
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
March 11, 2009

stats
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that number of days ...
March 11, 2009

Financial Management
You have to consider that rarely in life is there a free lunch. If the stock did not drop on an ex-dividend date, all else held constant, you could purchase the stock for the ex-dividend date; collect the dividend; then sell the stock at your purchase price, thus netting the ...
March 9, 2009

chem
Some biphenyl(C6H5--C6C5) is produced as a by-product in the synthesis of benzoic acid . where does this come from?
March 9, 2009

Algebra
The formula's are not posting but I have solved the questions. I just need to know how I determine how the equation is undefined. 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by a. What is the cost to remove 75% of the pollutant? b. ...
March 8, 2009

Algebra
The cost, in millions of dollars, to remove x % of pollution in a lake modeled by What is the cost to remove 75% of the pollutant? 6000/¨€(200-2(.75)@$30.23 million) What is the cost to remove 90 % of the pollutant? 6000/¨€(200-2(.90)@$30.27 million) What is...
March 8, 2009

Algebra
I have an assignment due tonight and I believe I have solved it all correctly until I come to part d of the question. "For what value is this equation undefined?" How do I determine this? The Environment Environmental and wildlife preservation ensures future ...
March 8, 2009

cultural diversity
Complete the following matrix by identifying 7 to 10 leaders or legislative events from both the Civil Rights and Black Power movements. The first leader is provided as a model.
February 28, 2009

College Level Probability
Four different written driving tests are administered by the Motor Vehicle Department. One of these four tests is selected at random for each applicant for a driver's license. If a group of 5 applicants (consisting of 2 women and 3 men) apply for a license, what is the ...
February 23, 2009

math again
How does "How many gallons of a 12% indicator solution must be mixed with a 20% indicator solution to get 10 gal of a 14% solution?" turn into ".12x + .2(10+ -1x) = .14(10)"?? Please, I need to understand how it works! Thank you.
February 22, 2009

math
Thank you so much, I am very grateful.
February 22, 2009

math
How many gallons of a 12% indicator solution must be mixed with a 20% indicator solution to get 10 gal of a 14% solution?
February 22, 2009

History
Where can I find a copy of the Declaration of Independence?
February 20, 2009

History- sue
why do you think he meant all white men?
February 20, 2009

History
How should the phrase, "All men are created equal" be understood today, and why? What do you think Thomas Jefferson meant when he wrote these words in the Declaration of Independence in 1776, and why?
February 20, 2009

history
why, after 1765, did the American colonists increasingly find British imperial rule unacceptable? What had changed -- and why?
February 19, 2009

Calc help
find the area of the region enclosed by y=e^2x, y=e^5x, and x=1. i am having trouble seeing how this region looks like and having problems with how to start the problem in general. Much help is appreciated.
February 19, 2009

Humanities
i have to find the number of hajj pilgrims from a country (besides america)annually. right now, im finding the number of hajj pilgrims from Indonesia in the year 1999-2004 and i cant find any good websites on it....any info or links that is related to the number of pilgrims ...
February 18, 2009

factoring
factor this problem w^2 + w - 12 is my answer right? (w-2)(w+2)
February 16, 2009

chem
Make sure your equation is [b +-(b^2 - 4ac)^(1/2)]/2a
February 15, 2009

Pre-calculus
1 D. 2 C. 3 A.
February 8, 2009

Algebra
-7x+-3
February 6, 2009

Math
Maximum: 57 Minimum: 50 Median: 54 Mode: 56 Give 12 sets of numbers using the above senarios?? Please Help!!
February 3, 2009

statistics
how do i prove that the angle between a tangent and a radius is 90 degrees?
February 3, 2009

To James -- AED 200
Thank you for your suggestion. I ended up finding a game on the internet that I was able to incorporate into my project and wrote my paper about it. Thank you for your help.
February 1, 2009

To James -- AED 200
I am sorry I have never used this before. I was just thinking if I could get help with some brainstorm type ideas I could look into a technology and devise something I could learn in the classroom. I was thinking about English language learners and maybe some kind of ...
February 1, 2009

Chemistry
Please do it i dont have all the materials and i need to do it today. PLEASE!!
February 1, 2009

CHEM URGENT
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy.
January 17, 2009

Geometry
This problem can not be answered without the diagram. Sorry.
January 12, 2009

English
Where can I find an example of an argumentative essay on the Internet?
January 11, 2009

Nutrition
A pair of nutrients ( one mineral and one vitamin) that works together in the body.
January 9, 2009

Math
How can I write this as an algebraic expression: twice as old as Max's age a, less three years.
January 8, 2009

algebra
What is the slope-intercept form of an equation for the line that is parallel to 5x-3y=1 and passes through (0,-4)?
January 5, 2009

space
choose five elements of the universe and tell why they are amazing and wonderous
December 16, 2008

8th grade math
50 liters in 4 minutes
December 15, 2008

French
How do you say, "I've been friends with him since I was two?" in french? I know it's pretty simple, but I can't seem to remember... >.<
December 15, 2008

Math
What is the probability of obtaining at least one tail when a coin is flipped six times?
December 12, 2008

advanced functions HELP!!!
the function S(d)=93logd+65 relates the speed of the wind, S, in mile per hour, near the centre of a tornado to the distance that the tornado travels, d, in miles. a)Calculate the avg. rate of change for the speed of the wind at the centre of a tornado from mile 10 to mile 100...
December 10, 2008

aadvanced functions HELP!
nope i don't, the school makes it manditory to take advanced functions before calculus
December 10, 2008

aadvanced functions HELP!
the population of a town is decreasing at a rate of 1.8% per year. The current population of the own in 12000. a)write and equation that models the population of the town b)how long will it take for the population to decline to one quarter of its current population? c)...
December 10, 2008

advanced functions HELP!!!
(rate 5+ rate 8) / (15-8) ? t is measured in hours
December 10, 2008

advanced functions HELP!!!
Radioactive decay is the process by which an unstable element transforms into different element, typically releasing energy as it does so. For 500g of a radioactive substance with a half-life of 5.2 hours, the amount remaining is given by the formula M(t)=500(0.5) ^ t/5.2 a) ...
December 10, 2008

Foreign Languages
listen carefully and try to understand. Don't react like the speaker is talking to you, just listen him.
December 4, 2008

chemistry
how would you do the Empirical And Molecular formula stuff i got three elenments that are Carbon with 78.23% , Hydrogen with 6.56% , and Nitrogen with 15.21%
November 21, 2008

CALCULUs
For all x in the interval [-11,13] the function f is defined by x^3(x+3)^4 On which two intervals is the function increasing? Find the region in which the function is positive
November 21, 2008

science
what is the atomic structure for potassium
November 19, 2008

social studies
Radical Republicans believed that former slaves should _______________. be granted citizenship but cannot vote? is that correct? thanks in advance.
November 18, 2008

social studies
In 1867 What did Congress decide about the southern states that ad not been readmitted to the union? Was it that they were supervised by military officers? thanks
November 18, 2008

Physics please help
Calculate the force required to pull a copper ball of radius 3.00 cm upward through a fluid at the constant speed 7.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the buoyant force.
November 17, 2008

Trig - Identies/equation, please help!
I get this now!!, Thanks!!!, i guess i should study now.
November 12, 2008

Trig - Identies/equation, please help!
the ΘЄ[0°, 360°) was suppose to mean its 0° < or = Θ < 360°
November 12, 2008

Trig - Identies/equation, please help!
2Sin(Θ+47°)=1 ΘЄ[0°, 360°) What I did: Sin(Θ+47°)=1/2 Sin 1/2 = Θ+47° 30°+360 = Θ+47° 343° = Θ Ok, so how do i find the other solutions? In this problem its 103°. I think we were suppose to do something ...
November 12, 2008

french
Fixed up all the accents... hey, Mme, maybe you might wanna check out that problem... cuz im getting all these wierd characters where the accents are supposed to be. Venez voyez = Venez voir Because the French word "la chance" usually means "luck," it would...
November 12, 2008

geography
Define Commerical, Specialized and Subsistence Agriculture
November 12, 2008

french
ugh, all the accents are screwed up... here's the fixed version i hope it works >.< Thank you for using the Jiskha Homework Help Forum. Always try to write using the structures and vocabulary you have used. Sometimes, if you do NOT provide the English of what you are...
November 11, 2008

ETH/125
I am an Axia student also. I am still looking for different measurments of prejudice.
November 10, 2008

french
C'est genial. Bon Felicitations
November 10, 2008

chemistry
Triple Point Clicker Challenge The Lewis structure for nitroglycerin is shown below. 1.00 mL of liquid nitroglycerin is placed in a sealed, reinforced, insulated steel box measuring 1.00 m on each side and filled with argon gas at 15.0 oC and 1.00 atm. The density of ...
November 10, 2008

OChem
1. Why does not fluorene dissolve in 1.5M sodium hydroxide solution? 2. What experimental difficulty would you encounter if you had neclected to include a drying step before evaporating the ether solution of the neutral organic compound (fluorene)?
November 4, 2008

chemistry
an auto mechanic spills 85 mL of 2.4 M H2SO4 solution from a rebuilt auto battery. how many mL of 1.2 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
November 3, 2008

chemistry
if 24.25 mL of a standard M NaOH solution is required to neutralize 26.00 mL of H2SO4, what is the molarity of the acid solution?
November 3, 2008

chemistry
How many total moles of ions are released when each of the following samples dissolves completely in water? ? 3.70g of CuSO4 5H2O
October 31, 2008

Math
write 109 3/4 as a decimal write 0.3246 as a percent
October 25, 2008

Math
Identify the rate in the following statement: 75 is 15% of 500 A) 75 B) 500 C) 15%
October 25, 2008

Math
The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?
October 25, 2008

Organic Chemistry
--Why does caffeine have a larger Rf value than chlorophyll? --If two compounds have the same Rf under identical conditions. Does this show that they have identical structures? Explain.
October 23, 2008

math
oops i mean open toad.
October 20, 2008

math
Open Toed. The joke answer is open toed sandals but for the pizzazz is the first one.
October 20, 2008

College Chemistry
A 2.80 -g sample of an unknown chlorofluorocarbon is decomposed and produces 557mL of chlorine gas at a pressure of 750mm Hg and a temperature of 298K . What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
October 16, 2008

differential equations
dy/dx=(9+20 x)/(xy^2)
October 8, 2008

science
what is an ion
October 6, 2008

algebra
give the slope for the following lines: y+2=0 and x-3=0
October 5, 2008

thermochem
An unknown volume of water at 18.2°C is added to 27.0 mL of water at 36.7°C. If the final temperature is 23.5°C, what was the unknown volume? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.)
October 5, 2008

chemistry help
A 265 g aluminum engine part at an initial temperature of 2.00°C absorbs 84.5 kJ of heat. What is the final temperature of the part (c of Al = 0.900 J/g·K)?
October 5, 2008

thermochemistry
Calculate the amount of heat liberated (in kJ) from 374 g of mercury when it cools from 83.7°C to 19.1°C.
October 5, 2008

chemistry-thermochemistry
A student mixes 85.7 g of water at 68.0°C with 50.7 g of water at 24.5°C in an insulated flask. What is the final temperature of the combined water
October 5, 2008

Project Management
me
October 5, 2008

Critical Thinking
The great French historian Jules Michelet (1798-1874) sympathized with the French Middle Ages and with the Revolutionary epoch in France, yet he wrote his best work on the despotic French monarchy, which he despised. 5) The statement above, if true, would most clearly support ...
October 4, 2008

Algebra
(1st james) that means to make a parabola with a slope of -3
October 1, 2008

Algebra
yes but i still dont get how you got that (1st james)whats the coordinates
October 1, 2008

Algebra
if i were to graph it (question2)would it be on the negative side or positive side
October 1, 2008

Algebra
were suppose to see if its a function or not and i dont get these problems can you explain it to me? 1) X=15 2) y=3x+2y
October 1, 2008

math
Yes, I did reach the number 1 by following the example given. To see how this game works basically I needed to translate it into an algebraic expression (x^2-1)/(x-1)-x the expression needed to be simplified, factored using the difference of squares, I then cancel like terms, ...
October 1, 2008

math distributive property
9 x 30 + 9 x 5= 8 x 80 + 8 x 4= 3 x 10 + 3 x 3=
September 26, 2008

IAH 206 - Humanities
Oh ok. I am starting to understand this a little better. So if GMO alter the crops what would be an objection to that? Possibly that it is good or isnt good for the crops? Thanks!
September 20, 2008

IAH 206 - Humanities
Well i was thinking of Genetically Modified Food. But what I am having a hard time with on this paper is that. GMO's and even cell phones alter our "selves"
September 20, 2008

IAH 206 - Humanities
My teacher wants me to tell how technology modifies our world, and what that means for certain themes about technology, but he wants us to focus on ways in which technology may have an impact on our "selves" in a broader and more indirect way, in ways that don't ...
September 20, 2008

math 3 grade
Darin counted 46 cars than trucks in a parking lot. There were 29 trucks. Write an expression that shows how many cars were in the parking lot?
September 18, 2008

math
First, you know that 1 inch is 15 miles, so that leaves you with the 3/4 of an inch. Divide 15 by 4, and then multiply by 3. This should give you 11.25. Then add 15+11.25=? and you should get your answer.
September 16, 2008

science
(20*13.6)+50.35=?
September 16, 2008

Pre calc
Oops! I'm sorry for the typo, it should be (-a)^3 instead of (-3a)^3. All the typos after that are the same. My mistake, I'm sorry.
September 16, 2008

Pre calc
To test for symmetry, first you need to know what kind of symmetry you want to test for. Is it Over-The-Origin Symmetry, or Over-The-X-Axis Symmetry, or Over-The-Y-Axis Symmetry? First, you should rewrite your equation with new variables: b = a^5 + a^3 + a For ORIGIN SYMMETRY...
September 16, 2008

business law
G starts a fire that soon consumes Poor P's trailer. G did not know that the trailer was occupied and had no reason to know this, but it was. After rushing into the trailer to save her child, P is severely burned. P sues G in negligence. Assuming that G has breached a ...
September 15, 2008

7th grade math(the metric system)
ANYONE IM ALMOST DONE
September 9, 2008

7th grade math(the metric system)
THE U.S. METRIC CONVERSION ACT CALLS FOR ? CONVERSION? THE WORD USED TO DESCRIBE THE INCH POUND SYSTEM?
September 9, 2008

Pages: <<Prev | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | Next>>

Search
Members