Wednesday
September 17, 2014

Posts by bob


Total # Posts: 2,390

Algebra
suppose a,b,c and d are different positive integers whose sum is 100, and a-c=5. What is the greatest possible value of ab-cd?
September 10, 2008

7th grade science
Are volcano's alive?
September 10, 2008

science
Two stones are launched from the top of a tall building. One stone is thrown in a direction 30.0degree above the horizontal with a speed of 10.0m/s ; the other is thrown in a direction 30.0degree below the horizontal with the same speed. Which stone lands farther away from the...
September 8, 2008

history
describe three ways blacks were discrimated durning the 1800"s. thank you.
September 8, 2008

social studies
how did the ideas of the enlightenment sparke the revolution in america and europe?
September 1, 2008

science
what is the definition for volume
August 26, 2008

Algebra 2
how can i found out if y=2/3X + 1/2 is a linear equation
August 24, 2008

computer education
FAIL
August 20, 2008

writing
ok there is this thing called big word and i need to make 20 words with letters cevdebei i must make the words 4 letters long can u help
August 20, 2008

math
Hi! Can anyone give me some tips on how i would determine the shape of a vessel from a graph of volume vs time? "a set volume of water is poured steadily into a vessel, the height at set volume intervals is recorded." "determine a possible vessel shape based on ...
August 14, 2008

math
-3
August 14, 2008

computer science
Final Project Overview and Timeline Final Project Overview The final project in COM 135 involves the creation of portions of a user manual for a product of your choice. This manual should contain the following elements: • The manual must be a Microsoft® Word document ...
July 22, 2008

organic chemistry
What is the major product formed on reaction of 1-pentene with bromine in aqueous solution? a. 1-Bromo-1-pentanol b. 1-Bromo-2-pentanol c. 2-Bromo-1-pentanol d. 1-Bromo-1-pentanol e. 2-Bromo-1-pentene
July 19, 2008

organic chemistry
a certain arene C8H10 is oxidized by potassium dichromate to benzoic acid, C6H5COOH. What is this arene? a. o-xylene b. m-xylene c. P-xylene d. ethylbenzene
July 19, 2008

Trigonometry
A ladder that is 6 meters long is placed against a wall. It makes an angle 0f 34 degrees with the wall. Find how high up the wall it reaches and the distnce the base of the ladder is away from the wall
July 19, 2008

Linking and Action Verbs
well there could be many answers to this situation. I will only state one. now to use a verb it is to be called a noum.. the end. And your welcome for my sweet time.
July 15, 2008

chemistry
just do what dr guy said cuz all is one to one ratio. foo
July 1, 2008

history
Should the NAACP have challenged the earlier Plessy decision instead of waiting to appeal the Brown decision? Could things have moved forward more quickly if they had?
June 28, 2008

Science
How does the density and the elasticity of a medium affect the speed of a wave? PLEASE HELP!! :)
June 10, 2008

Science
Why can microwaves travel both through empty spaces and through air and food? PLEASE HELP!! :)
June 10, 2008

Health Care
what is an approach to body regions
May 30, 2008

Social studies
Social studies, 7th Grade. I need: 4 important facts on leif erikson. Do you know any? Do you know any sites i could use? Please help.
May 30, 2008

Science
thx a lot ur da bomb man u rule i really needed this u saved me i luv u
May 28, 2008

Science
describe how a simple electrochemical cell operates? how are electrochemical cells related to batteries?
May 28, 2008

spanish
in words?
May 28, 2008

science
thx i thought i was right but then when i asked my friend (who is a senior in high school) he said that was the wrong answer :) !!
May 28, 2008

science
describe the three ways in which an object can become charged?
May 28, 2008

Math
Cindy had $1.08 using 9 coins. She had as many pennies as dimes. ___ Danielle had 96 coins, using ten coins. She had the same number of nickels as all the other coins put together. __ The coin choices are. Half Dollar, Quarters, Dimes, Nickels, and Pennies. Help?
May 21, 2008

Electrochemistry
i dont kmow
May 20, 2008

Math
Write an equivalent expression in factored form: x squared + 4 x x squared + x + x + 1
May 20, 2008

calc help
HAHAH! i need help on this one too :(
May 20, 2008

Social Studies
Did art have a religious significance to the Romans because they believed that the representations of people actually became receptacles of their souls?
May 19, 2008

Social Studies
How were Roman chariot races like horse races today?
May 19, 2008

Algebra
Mountainside Fleece sold 40 neckwarmers. Solid-color neckwarmers sold for $9,90 each and print ones sold for $12,75 each. In all, $421,65 was taken in for the neckwarmers. How many of each type were sold?
May 18, 2008

Algebra
Soybean meal is 16% protein and corn is 9% protein. How many pounds of each should be mixed to get a 350 lb mixture that is 12% protein?
May 18, 2008

Algebra
How do I set this up to solve? In 2004, the Diabetic Express charged $27.06 for a vial of Humulin insulin and $34.39 for a vial of Nevolin Velosulin insulin. If a total of $1565.57 was collected for 50 vials of Insulin, how many vials of each type were sold?
May 18, 2008

social studies
my computr has a virus that is blocking a lot of websites including the one you gave me, do u no another one?
May 14, 2008

social studies
thanks for the help.
May 14, 2008

social studies
Can you define the following words as related to Social Studies: entrepreneurs, laissez-faire, progresive movement, suffrage, 18th amendment, 19th amendment, Square Deal, Amistice, Reparations, aionalism, Great Depresion, axis power, Allied Powers, Holocaust, Cold War, NATO, ...
May 14, 2008

Science
You add 7800 calories of heat to a block of ice at -40 degrees celsius. the temperature of the ice rises to 0 degrees celsius. how much ice did you heat up?
May 13, 2008

Biology
Hi I need help Interphase: Describe the traits of the chromosomes at this stage I don't know how to asnwer this question. We did this stuff at the start of the year. We used this great webiste that was like a slide show thingy of all the phases. I don't remeber the ...
May 12, 2008

Business
go to google
May 10, 2008

Science
THANK YOU SO MUCH DRWLS UR DA BOMB!!!! :)
May 10, 2008

Science
Why does steam at 100 degrees celsius cause a more severe burn than water at 100 degrees celsius?
May 10, 2008

Science
what do you mean by add all the heats. Like add all the numbers you just gave me or what. I don't get it?
May 10, 2008

Science
How many calories of heat are necessary to raise the temperature of 200g of ice at -30 degrees celsius to steam at 130 degrees? Show graph and work.
May 10, 2008

Math
Thank you.
May 8, 2008

Math
Of the 6 grade students surveyed, 12% bring their lunch. SUppose 24 six graders do this, how many six graders are there. I would like you to show me how to do this, (Mom) so that I can explain to my son. Thanks.
May 8, 2008

Science
What happens to sunlight when it strikes a dark (black) surface? How is wavelength affected? Why are the Sun's rays the most powerful in the summer solstice and why is this not the hottest time of the year. What frequencies or color of light are most likely blocked by ...
May 8, 2008

Math
30y = x^2 - 14x + 13 FOR X
May 7, 2008

IST 423 Networking
I have a study sheet for an upcoming exam and I'm having trouble with this question. Any help would be great. --- Illustrate three types of addressing mechanisms implemented under TCP/IP.
May 6, 2008

History
I found the answer!!!! It's 24 :):):):):):) All I had to do was look in my book thanks a bunch lady or guy or it Who would of guessed that all I had to do was look in a book thanks for the help
May 5, 2008

History
:< Makes no sense I'm lost :| My teacher sucks I don't think this is even in the book I don't know what to look under just those battles???? What am I suppose to talk about??? Stupid History Day Stupid Teacher STupid Stupid Stupid At least I have some help from ...
May 5, 2008

History
I still don't get how I'm suppose to summerize 400 odd years... please I'm desperate help please just tell me the anser if you can
May 5, 2008

History
For Homework were suppose to "Trace the conflict of England and France from the battle of Hastings to the defeat at the battle of the Spanish Armada" Are teacher is sort of really bad... we don't know if were suppose to use the text book or not... we've yet ...
May 5, 2008

Physical Science
As a teacher I used to run an experiment with my kids in which they put cereal in a ziploc bag and crushed it up with a rolling pin. Then they placed a magnet in the bag and shook it. When they pulled the magnet out of the bag it pulled the iron out with it.
April 28, 2008

Fat People in American Society
I don't really care. I think you should respect them.
April 24, 2008

Fat People in American Society
Hi
April 24, 2008

history
us history 1895-1905
April 22, 2008

history
I need urgent help finding good history websites for information on government during the turn of the century
April 22, 2008

Spanish RESEARCH
What cultural aspects do the people of Bolivia, Paraguay, and Uruguay share? What is the importance of the "Guarani" culture in Paraguay and Uruguay? Does anyone know a good website i could use..Thanks!
April 18, 2008

English
You are doing it right so keep doing it
April 14, 2008

accounting
a) Use the following data to compute averafe revenues per store, capital spending per new store, and ending inventory per store. b) Assume 200 additional stores will be added by the end of year +1 and assume that each new store will be pen for business for an average of one ...
April 14, 2008

chem
How much heat(energy) in calories will it take to warm 25 g of ice at -10 degrees C to liquid water at 40 degrees C?
April 13, 2008

bio?
what does Hypothyroidism have to do with sperm production?
April 8, 2008

chemistry
thank you
April 8, 2008

Critical Thinking
Thanks ill check them out. ill post back with my findings, that is if i am able to find one.
April 7, 2008

Critical Thinking
Hello, Im new here and im having problems with my homework. I need to do these two things for different sources and i find it next to IMPOSSIBLE to find these... Identify and name any rhetorical devices used by the author. If none exist, explain how you determined this. ...
April 7, 2008

Spanish Research
How did cuban artists influence other cultures? Apart from that what have Cuban artists given to the Hispanola(Haiti and Dominican Republic) culture? Also does anyone know where i can find a good website on Alberto Godoy, a Cuban artist?
April 6, 2008

Geometry
I don't know if this is the place to put it but anyways Complete each of the following problems in the space provided if you need more space attach additional sheets. You must show all work and/or an explanation in order to receive credit. 1. Older television screens have ...
April 6, 2008

math riddle ALGEBRA WITH PIZZAZZ
ghhhhhhhhhhhhhhhhhhhhhhhhh
April 6, 2008

science
I need to find out about 3 suspensions.
April 1, 2008

chem
hydgogen and iodine form HI(g)per the reaction H2(g)+I2=2HI(g). If 2 L of iodine gas at .5 atm and 295 K react with excess oxygen, how many liters of HI at 295K and 1 atm will form?
March 31, 2008

chem
What volume will 1.216 g of SO2 occupy at 18 degrees celcius and 755 torr?
March 30, 2008

ecology
It dissolves into the ground to make rich, fertile soil.
March 28, 2008

Science
what drwls said was wrong....
March 24, 2008

Science
Sucrose and glucose contain the elements carbon oxygen and hydrogen what kinds of elements are these?
March 14, 2008

Math Algebra
if they did mean p, i think it is just quadratics or something. have a look in your textbook for quadratics. Ive forgotten the right way to do it, sorry.
March 11, 2008

word unscramble in french
I need to unscrample the wored aierpp
March 11, 2008

health
what health related part of fitness concarned with excess fat?
March 11, 2008

English
What is the thematic significance of the advice Atticus gives Scout?
March 9, 2008

Geometry
c2=a2+b2
March 6, 2008

ALGEBRA
WHAT ARE THE FACTORS OF 12 THAT THE SUM OF THEM EQUAL -1
March 4, 2008

Chemistry
sure
February 29, 2008

Physics
Why does the blood of deep sea divers look greenish-black in underwater photographs taken with natural light, but red when flashbulbs are used?
February 29, 2008

Physics
How could you use the spotlights at a play to make the yellow clothes of the performers suddenly change to black?
February 29, 2008

math
the answer is b
February 28, 2008

Science
How many gallons of water per minute can flow through a 15-ft pipeline under normal pressure?
February 22, 2008

science
i grew in a cave, but im not alive. i began as water and minerals, but now i am solid. i grow upwards, but in never see the sky.what am i?
February 20, 2008

chemistry
whats the radius given?
February 18, 2008

Math- consecutive intigers
23.56643 i used a calculator :)
February 18, 2008

gography
what were budda's teachings?
February 11, 2008

math
Prisilla performs a series of transformations on a figure in the plane. First she dilates it by a factor of 3 and translates it 5 units to the right. Next she reflects it over the x axis, then over the y axis. Finally she reflects it over the line y=x, translate it 5 units to ...
February 9, 2008

math
The perimeter of the polygon below is 9x-1. Find the expression for the missing side length. There are 5 expressions: 3x-4, x-5, x+1, 2x+3, and ?. I got ?=2x-6. I added all the equation and minus it from 9x-1.
February 9, 2008

math
They are vertical angles.
February 9, 2008

math
There are four angles, a,b,c,d. The measure of angle a is (3x+10) degrees. The measure of angle d is (x+10).What is the value of x? I made an equation 3x+10=x+10. I think the value is 0.
February 9, 2008

math
Prisilla performs a series of transformations on a figure in the plane. First she dilates it by a factor of 3 and translates it 5 units to the right. Next she reflects it over the x axis, then over the y axis. Finally she reflects it over the line y=x, translate it 5 units to ...
February 9, 2008

Environmental Science
i dont know
February 8, 2008

ethics
Trends in immigration will continue to shape the face of the United States. What will this face look like in the year 2050? How can the country best prepare for the changing race and ethnicity of its current and future citizens?
February 7, 2008

Chemistry
idk
February 6, 2008

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