Thursday
July 31, 2014

Posts by Alan


Total # Posts: 323

Physics
A 75 g autographed baseball slides off of a 1.3 m high table and strikes the floor a hori- zontal distance of 0.65 m away from the table. The acceleration of gravity is 9.81 m/s2 . What was the direction of the ball’s velocity just before it hit the floor? That is, at wha...

Physics
What was the direction of the ball’s velocity just before it hit the floor? That is, at what angle (in the range −90◦ to +90◦ relative to the horizontal directed away from the table) did the ball hit the floor? Answer in units of ◦.

Physics
I have the same problem and I can't figure it out the answers on these forums are useless

College Algebra
Mendoza Manufacturing plans to producea one compartment vertical file by bending the long side of a 10-in. by 18-in. sheet of plastic along two lines to form a U-shape. How tall should the file be in order to maximize the volume that it can hold?

Math
yes it is take 30 times 7865 and you get 235950

3rd grade
An big idea would end in a huge result and also could take a lot of other accomplishments to get to it. A small idea is easy to obtain over a short period of time. An example is a sports team. If they have the goal of winning the state tournament at the end of the year they ha...

Global History
Identify Jacobins

sociology 120
I need help with today's assignment in intro to Sociology120. The assignment is urbanization trends

math
we square all and evalaute as a diff of 2 squares

Psy 230 Theories of Personality
Use Appendix b to list at least five of the events or major concepts in each of the three historic periods of personality psychology.

Literacy
I dont exactly live in america, but im in year 5, which i think is grade 5 in america. But i have a really desperate question i need to ask.... When a word ends in "Phobia" what kind of word is it? is it a noun, adjective verb? can you please tell me?

Chemistry
This is the last one Dr Bob! How much concentrated 18 M sulfuric acid is need to prepare 250 ml of a 6.0 M solution? Im stumped again, could you point me in the right direction ? Thank you sir!

Chemistry
How much concentrated 18 M sulfuric acid is need to prepare 250 ml of a 6.0 M solution? This is the last one guys, its got me stumped again =)

Chemistry
What is the molality of a solution made from 5.61 moles of KCl and 2.11 kg of water? I'm very lost on this one, could someone please help me?

finance
answer to your question you take collection cost 5% of new sales which is 4,000 add 16,000 which is your a/c fiqure you got sales divided by a/c turnover which equal 20,000 which is your inventory..

MATH
A simple ratio can be used 18 45 --- = --- X 60 18 x 60 ------- = 24 pages 45

Term paper
So I could word it.. Nearly every country of the world uses some method of hydroponics, either on a small or large scale.

Term paper
Nearly every country of the world uses some method, either on a small or a large scale , of hydroponics. Is this written correctly? Does any one want to help me proof read my term paper?

Spanish
eodns These are the letters to a spanish word what does it spell?

History of English Economics
What kind of Cammand is China

Term paper Research
i don't know if you remember me. But I am the one that is doing the term paper over hydroponics. I have found a couple of really good sites thanks to one of the homework helpers. but i really need magazine articles about hydroponics. I have found a couple of text books I w...

Spanish
It is not my eyes look incredible terms: snow on the almond bloom snow on snow. This winter my mood is like an early spring, is like an almond tree in bloom under the snow. There are too cold this evening in the world. But I open the door to my dog and he comes home heat enter...

8th grade
Drive a car around a big circle track.

Algebra
see michelle's answer

Algebra
(1) ------------- 25x^2 + 22xy - 3y

Algebra
take the interest rate divided by (100 times the compounded) add one take that answer to the (number of years times teh compound) multiply this entire total times money times dollars invested

Pre Algebra
what are you asking??? i think i might know but make it more clear.

vocabulary
Whats an word for everyday language? not english. a vocab term

Everyone read!!!
Well its great to hear that your not a part of an illegal indoor hydroponics but thank you Ms. Sue for the websites they helped a lot and drwls your answer gave me ideas for my paper. Its not due till the end of April. Thanks all and if anyone has any other ideas go ahead and ...

Everyone read!!!
I have to write a term paper for two classes. the teachers are letting us students write only one but the topic has to be scientific. It is going to be 10-12 pages long double spaced. I was thinking Hydroponics but I am worried that I might get bored after 5 pages... Any ideas...

social studies/history
Who was the first president to state the inauguration and how old was he at the time?

finance
If exchange rate depreciate, what will happen to the parent company NPV of foreign cashflow?

Global
Who Was Affected By the Historical event In The medieval time

American Literature
I amd writing a paper over how mark twain uses satire to criticize religion. My opening statement is: Helping a slave runaway and floating down the Mississippi river accompanied by two conmen appears to be the basis of a real adventure tale. My teacher has asked me to incorper...

History Paper
My summary is over an article about the battle of Khe Sanh, shoe i have my interduction begin with statistics of the end of the battle to attract readers and build up to the thesis or begin with my thesis about the major contreversory behind the battle and focus on it.

Need many responses
I have a history teacher that wants a paper over my article explaining who , what , when, where, why and how. The fact is these articles are short and two students turn in 3 paragraphs for a summary. . . long summary. and was given another page worth of info needed to add in t...

grammar
The lion said to hare. Ah you have come at last

Physics
807.4 N ?

Professional Ethics
In professional ethics there are holism and separatism.holism, use your imagination to present three examples of people whose strong personal commitments to 1) honesty, to 2) loyalty, and to 3) generosity carry over into their professional lives. you have to come up with an ex...

Algebra 3 check only
(2^-3)(x^0(x^2)) all over _______ (x^-3)(xy^-3)(y) does it equal x^2)(xy^3)(x^3) ______________ 8y

FINE THEN NO ONE HELP ASAP
THANKS A LOT PPL

HELP CLASS IS ALMOST OVER ASAP
Hurry

Algebra Need answers ASAP
What is the factored form for a Quadratic Function with it vertex at teh origin?

Math
What is the Median of the Following Numbers 80, 80, 80, 90, 90,100

Advance Physics
9.8m/s

Business
I have searched and searched but I can't find examples of companies that product's image has been made or broken through Advertisement. Any ideas on Products hurt or helped by advertising?

drbob222
Thank You!

chemistry
I just made the neg to a pos and finished the problem. I got pH=6.3 for a final answer. hope that is what you came up with.

chemistry
Here are instructions on how to solve it. Would you help me step by step with the math and instructions?: Heres how to solve it: Use the Henderson-Hasselbalch equation. pH = pKa + log ([Tris] / [Tris HCl]). Here the pH is 8 and the pKa of the Tris is 8.3, so you can solve for ...

chemistry
0.1 M means 0.1 mol/liter

chemistry
TRIS is a buffer used in biochemistry

chemistry
An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at the start of the experi...

chemistry
here is how to solve the problem, put I need help following these instructions. would you show me the math step by step, so I could understand? Here is how to solve the problem: Use the Henderson-Hasselbalch equation. pH = pKa + log ([Tris] / [Tris HCl]). Here the pH is 8 and ...

chemistry
This is my third time to ask this and no one has answered. Please help. An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced...

chemistry lab
An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at the start of the experi...

chemistry
An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at the start of the experi...

chemistry
Here are 2 questions I worked out, but need them checked. Also, can't get answer to another question correct unless question 1 is correct. Would you check the first 2 and help me with the third? 1) What is the pH of a 0.05 M solution of TRIS acid (pka = 8.3)? My answer: I ...

Algebra 2 - Direct Variation
I already did this problem but i decided to check my self since my answer wasn't withthe status quo of the rest of the answers i checked twice and got the same answer. But will someone double check me. The designers fo the Parthenon, a Greek Temple completed in 432 B.C., u...

math
Divide teh 2 to both sides of the fits equation making a = 4 then Subsituted the 4 for a in the second equation making it 4+B=2 then subtract the four from both sides making the equation B equels -2

Algebra II
Buggs made the trip at 40 mph during the first Hiatus. Joan Made the same trip at 50 mph during the second hiatus. How long was teh trip if it took Buggs 2 hours longer than it took Joan. I know the Distance equals rate X Time and I tried using that meathod three times but i k...

physics
Gauge Pressure(P) = Density(p) x gravity(g) x height(h) 1.33x10^4Pa = 1.02* x 9.8m/s x h *: Specific gravity = ratio of density of solution to water .:. Density = 1.02(no units) .:. h = 1.33x10^4 / 1.02 x 9.8 = 1330.5m^3 = 1.33m

english
1. b 2. a 3. c 4. c 5. a 6. b 7. a 8. b 9. d 10. d 11. 12. 13. 14. 15.

english
this is a portion of my english homework that i cant do. i was assigned over 100 questions and these are the ones i need the most help with and i need to turn it in in like an hour so any help would be great :-) 1. Which is not a sentence fragment? A. Because I knew she would ...

GEOMETRY AGAIN
THIS IS ANOTHER QUESTION I HAVE BEEN STUCK ON FOREVER. I THINK IT REQUIRES TOO MUCH THINKING. PHILLIP WALKED 100 YARDS TO THE EAST WHILE SHONDRA WALKED 155 YARDS TO THE SOUTHEAST. MEANWHILE, 200 YARDS TO THE NORTH, JOSE WALKED 155 YARDS TO THE WEST AND LUYIN WALKED 100 YARDS T...

geometry
I HAVE BEEN STUCK ON THIS QUESTION FOREVER. CAN SOMEONE HELP ME OUT WITH IT. DO THEOREMS REQUIRE PROOFS? EXPLAIN EITHER YES OR NO IN ONE OR TWO SENTENCES.

geometry
Wrtite the slope intercept form of the equation of the line passing through point (5,1) and parallel to the line y=-4x-2.

Algebra II
A train left Podunk and traveled north at 75 Km/h. Two hours later, another train left Podunk and traveled in the same direction at 100 km/h. How many hours had the first train traveled when the second train overtook it?

geometry
ok i get it now i just didnt know what he was saying at first but now I know thanks.

geometry
ok i get it now i just didnt know what he was saying at first but now I know thanks.

geometry
Write the slope intercept form of the equation of the line passing through the points (-2,4) and are perpendicular to the line y=-3x+3.

geometry
Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

Geometry again
Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

Geometry
so the answer must be A right

Geometry
Which best describes the relationship between the lines with equations -16x+2y=0 and -x-8y=-2? a. neither parallel nor perpendicular b. parallel c. same line d. perpendicular

geometry
Which is the slope of a line perpendicular to the line 4x-2y=5?

Algebra
Do you distibute the 7 to the top, bottom, or both.

writing
Wow Everyone agrees! ^^

writing
Interesting choice, I would have totally choose a republic, LOL, but If you wnat you could write it in the view of yourself. Put personal things into it, but not, date it as a journal entry, maybe just relax and let you brain think of what you want ot write.

Government
For my class I have to have a good spy story. Basically one that got caught. I have found some but my classmates got to the teacher before me. does anyone know of any good sites that I could use

Chemistry
yay i have a good idea ^^

Chemistry
Maybe you can find a picture of it on the internet and post the url for everyone to click on to see

math
well a hint is that it starts with a vowel because before the line a an is written showing that is starts in a A, E, I, O or U

math
48 cans

Help please!!
She usually gives written tests with not diagrams

Help please!!
thank you

Help please!!
I am currently inrolled in a biology class, I pay attentionin class, I take all the notes possible, I study for the test at least 4-5 days in advance. I am putting 110% of my effort into this class. I am an A student but I am getting d's on the tests. I don't know what...

math test
Well, If you have your book from the class, I always find it helpful to re-read the chapters that the teacher told me to study as a reminder and try to memorize the important facts. Also see if you can find any questions over what you need to study on the internet and solve th...

Algebra 2
I have just found Jiskha but i will remember for the rest of my high school carreer

Algebra 2
thanks

Algebra 2
thanks now how did you solve it what did you do?

Algebra 2
Where do the following lines meet on a coordinate system? e.g. (x,y) x+3y=4 2x-y+8

geometry
Name the property which justifies the following conclusion: given: 3q+9r conclusion: 3(q+3r)

geometry
Name the property which justifies the following conclusion: given: 3q+9r conclusion: 3(q+3r)

geometry
Choose the phrase that completes the following statement as stated by the point, line, and plane postulates: Once plane___________ passes through three noncollinear points. a. never b. sometimes c. always d. point, line, and plane postulates do not address this topic directly.

geometry
i kinda accidentally put up the question up 3 times

geometry
yes

geometry
Choose the phrase that completes the following statement as stated by the point, line, and plane postulates: Once plane___________ passes through three noncollinear points. a. never b. sometimes c. always d. point, line, and plane postulates do not address this topic directly.

geometry
Choose the phrase that completes the following statement as stated by the point, line, and plane postulates: Once plane___________ passes through three noncollinear points. a. never b. sometimes c. always d. point, line, and plane postulates do not address this topic directly.

geometry
Choose the phrase that completes the following statement as stated by the point, line, and plane postulates: Once plane___________ passes through three noncollinear points. a. never b. sometimes c. always d. point, line, and plane postulates do not address this topic directly.

geometry
Rewrite the statement in if-then form. All equilateral triangles have three congruent sides. a. a figure has three congruent sides if and only if it is an equilateral triangle. b. a figure is an equilateral triangle if and only if it has three congruent sides. c. if a figure i...

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