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Questions Asked on January 30, 2009

Hello! my question is.Cumulene has chemical formula C4H4 with 7sigma and 3pie bonds. the 2 outer C atoms have a hybridization of
1. 1 answer
2. asked by Jam09
3. 4,860 views
Given vectors u=7i + 3j and v = -4i + 3j, find 5u-4v in terms of unit vectors.I am just beginning the study of vectors and have
1. 4 answers
2. asked by Joanie
3. 4,702 views
Air streams horizontally past a small airplane's wings such that the speed is 70.0m/s over the top surface and 60.0m/s past the
1. 1 answer
2. asked by Jaime
3. 3,229 views
A ball is thrown from the origin of a coordinate system. The equation of its path is y = mx - e^2m/1000 . x^2, where m is
1. 2 answers
2. asked by Candy
3. 2,632 views
please show me how to solve these:1. Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it
1. 3 answers
2. asked by y912f
3. 2,130 views
Metaphors1. Love is a lemon-either bitter or sweet this is the only one i couldn't find an answer to please help me thank you.
1. 3 answers
2. asked by Jazmin
3. 1,696 views
From 1962 to 1965, federal spending on non-defense-related education and training rose from $9.6 billion to $19.5 billion, while
1. 1 answer
2. asked by Brett
3. 1,666 views
Assume that the element 107Uns is synthesized and that the sample contains 39.8% 270Uns (269.4 amu), 35.2% 271Uns (270.3 amu)
1. 1 answer
2. asked by Soonjung
3. 1,599 views
please show me how to solve this1. A bus travels 280 km south along a straight path with an average velocity of 88 km/h to the
1. 5 answers
2. asked by y912f
3. 1,541 views
I have 3 Questions:We actually did the lab experiment for this, but I have no idea whether my reasons are correct. 1) For the
1. 2 answers
2. asked by nate Leung
3. 1,305 views
Help with these problems would be greatly appreciated:1.Find the definite integral of dx/(x(1+ln(x))from e^6 to 1. 2. Solve for
1. 3 answers
2. asked by Angelina
3. 1,292 views
how do you find the constant of variation k for the direct variation?for example, 4x + -6y. how do you find k?
1. 2 answers
2. asked by Angie
3. 1,274 views
Why do sociologists claim their knowledge is better than common views of society and society issues?How would a sociologisy most
1. 3 answers
2. asked by Michele
3. 1,211 views
i need to label a diagram of the drainage basin of the River Tees.the words i have got to use are:- Tributary Mouth Confluence
1. 10 answers
2. asked by ZAC
3. 1,183 views
If a catalyst is introcuced to ecxellaerate decomposition of Hydrogen Peroxide with the the aid of a condenser and another
1. 2 answers
2. asked by Lumina
3. 1,181 views
I am having a lot of problems with this linear programming problem. CAn someone help?A farmer buys two varieties of animal feed.
1. 0 answers
2. asked by Joanie
3. 1,145 views
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50–L container of cold water, what
1. 2 answers
2. asked by Jack
3. 1,129 views
Can someone explain to me how 2,3 BPG works for hemoglobin?BPG affects oxygen binding affinity by binding in a small cavity at
1. 0 answers
2. asked by jason
3. 1,127 views
A perfectly competitive painted necktie industry has a large number of potential entrants. Each firm has an identical cost
1. 2 answers
2. asked by adele
3. 1,124 views
Okay I have to do short paper on my results for a survey that I did to determine which branch of psychology I would be best
1. 2 answers
2. asked by Lauren
3. 1,121 views
#2) Consider the preciditation reaction of a solution containing 3.50 grams of sodium phosphate mixed with a solution containing
1. 1 answer
2. asked by lyne
3. 1,075 views
Hi jiskha! I am studying for a test on Latin America. I know the Helms Burton Act was to place an embargo on Cuban goods, but
1. 1 answer
2. asked by Shealyn
3. 1,069 views
The style that fills the picture space with figures and uses bright colors and lots of gold is called?a. Romanesque b.
1. 1 answer
2. asked by Marilu
3. 1,016 views
Ray is setting the table for a birthday diner.He needs to set 12 places at a round table.he has 3 different kinds of
1. 1 answer
2. asked by Smiley
3. 937 views
I need an acronym to remember the Canadian provinces. Any help?
1. 3 answers
2. asked by Amy
3. 856 views
Highlight the most important differences between object-oriented programminglanguages and generations 1-4 of (often called top
1. 1 answer
2. asked by Adebayo
3. 840 views
Carmella has $1200 invested in two stocks. One returns 8% per year and the other returns 12% per year. The income from the 8%
1. 1 answer
2. asked by Yasmin
3. 779 views
write a mechanism for the reaction of sodium chloroacetate with 4-chlorophenolate.- i know its a sn2 mechanism, but I don't know
1. 0 answers
2. asked by jason
3. 743 views
Can someone check my answers so far?1. Find the exact value of tan(-3ð) Answer: tan(-3ð) = tan (-3 + 2ð) = tan (-ð) = tan
1. 2 answers
2. asked by Kasey
3. 741 views
Please check these answers[my letter choice is in CAPS]:1. In the steps of the scientific method, what is the next step after
1. 2 answers
2. asked by y912f
3. 718 views
is "open, unlidded eye of golden day!" a use of personification, metaphor, or neither?
1. 3 answers
2. asked by SMITHly
3. 714 views
Post a 200- to 300-word summary of a current issue between Native Americans and the federal government. Identify the legislation
1. 2 answers
2. asked by Squirrel
3. 693 views
When burning a Magnesium Ribbon, would the color (the white dust) that it changed to be a chemical change? Or how about the
1. 4 answers
2. asked by Chopsticks
3. 688 views
please check if these are right1. Which of the following is the equation for average velocity? a. Vavg=delta x/delta t b.
1. 2 answers
2. asked by y912f
3. 682 views
CAN SOMEONE REVIEW MY ANSWERS AND TELL ME IF THIS IS CORRECT?Why is it flawed to ask how much of a particular behavior is due to
1. 2 answers
2. asked by SinnerSaved
3. 682 views
must there be an unbalanced net force acting on any moving object?
1. 4 answers
2. asked by polly
3. 681 views
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area S of the
1. 3 answers
2. asked by ken
3. 669 views
Why does a pencil look broken if you hold it at an angle in a beaker of water?
1. 2 answers
2. asked by Nabiha
3. 667 views
Ok i had to do some research and answer some questions about MLK.I did alot of them but couldn't find the rest so can someone
1. 2 answers
2. asked by Tory
3. 661 views
The professor gave us no background material or explanations for any of these questions.1. A contemporary computer chip
1. 3 answers
2. asked by jm
3. 653 views
Hi,Can you please tell me a good definition for Cultural Diffusion? I think it is the spread of culture and ideas. Is that
1. 3 answers
2. asked by Happy Face
3. 634 views
Two main positive values are expressed by the writers in Fire on the Water: to have the determination to do what’s right,
1. 1 answer
2. asked by Lilah
3. 629 views
If a catalyst is introduced to ecxellaerate decomposition of Hydrogen Peroxide with the the aid of a condenser and another
1. 1 answer
2. asked by Lumina
3. 625 views
The DSM-IVThe DSM-IV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across
1. 3 answers
2. asked by melissa
3. 621 views
I am trying to find out who (or which companies) own Australian channels 7,9 and 10 and also SBS. I have looked on various
1. 1 answer
2. asked by Nat
3. 621 views
Julia wants to build another garden wall, 10 bricks long and 3 bricks high. Can she build it with red and white bricks, so that
1. 1 answer
2. asked by Smiley
3. 616 views
Write a theory and hypothesis. Define the concept and then state how you would measure the concept. Can you show me an example
1. 1 answer
2. asked by Kayla
3. 614 views
If you were to use a green laser beam to measure the focal length, would you get thesame value? Does your answer bear on
1. 2 answers
2. asked by Blind
3. 612 views
research the effects of a stimulus or major physicalchange on body system structure and function, write a researched analysis of
1. 1 answer
2. asked by PJ
3. 612 views
Solving Systems by Substitution:2. x=1-4y 2x+7y=3 I need help learning how to do this problem step-by-step
1. 3 answers
2. asked by Ashley
3. 603 views
please paraphase this so i don't plagerize.Nazi dictator Adolf Hitler has annexed Austria and sections of Poland,
1. 1 answer
2. asked by ally
3. 602 views
The professor gave us no background material or explanations for any of these questions.1. Imagine that molecules of H20 are
1. 3 answers
2. asked by jm
3. 601 views
Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100 mg of 9-fluorenol
1. 2 answers
2. asked by steve
3. 597 views
1. Find the amplitude, if it exists, and the period of y=tan 1/4ÈAnswer: No limits in amplitude, y=tanÈ/4 period is 4pi
1. 2 answers
2. asked by Grace
3. 593 views
give a details history about the evolution of man from stone age till modern age, with pictures
1. 2 answers
2. asked by Tosin osemeobo
3. 591 views
A moto of a crane is lifting a 100 kg load 20m high using 25 kj of electrical energy. calculate the efficiency
1. 1 answer
2. asked by naomi
3. 583 views
If the subway travels and average speed of 45mph and it allows you to get to work at 8:30, when you leave your house at 7:45.
1. 1 answer
2. asked by Anonymous
3. 579 views
I need to find the definition of harpsichord and also 4 examples of harpsichord.thanks
1. 3 answers
2. asked by Deacon
3. 574 views
Hey Guys! I had gone on vacation so I had missed the Inauguration of Barack Obama. Can you give me a summary of it, if you had
1. 1 answer
2. asked by Hazel Smith
3. 560 views
Cranberry productions in Mass totaled 1.8 million barrels in 2004, 28% increase from previous year's production. This year's
1. 0 answers
2. asked by Roberta
3. 557 views
Is there a correlation between temperature change with the changes on the molecular level? And what is it?(talking about changes
1. 2 answers
2. asked by Kara
3. 550 views
I always get the Hutus and the Tutsis from Rwanda confused. Which was the group favored by the Dutch, and which was the group
1. 1 answer
2. asked by Spencer
3. 548 views
can someone please explain the what the functional and formal regions of a city are. Like Seattle washington, what am I supposed
1. 0 answers
2. asked by Ryan
3. 539 views
help i have a graph that shows the finishing times of the first 5 runners in a 10k race time in min on the graph 0 to 34 and the
1. 1 answer
2. asked by thelma
3. 533 views
Drbob, your explanation is very clear and I learned alot out of it. I also have one last question to ask you. I posted it at my
1. 1 answer
2. asked by Chopsticks
3. 530 views
A virus-scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long
1. 1 answer
2. asked by Julie
3. 523 views
put forward an argument for macbeth to be the next kingi don't know how to do this i don't have any info please help me
1. 1 answer
2. asked by Numz
3. 498 views
Similies1. As innocent as a lamb Metaphors 1. Love is a lemon-either bitter or sweet 2.Life is a mere dream,a fleeting shadow on
1. 1 answer
2. asked by Jazmin
3. 496 views
John (who lives in "Statsyan"--nation) buys a new mini Cooper, which is assembled in England. What part of the GDP component(s)
1. 1 answer
2. asked by Anonymous
3. 479 views
I need help on this problem:8+9-10 I just don't understand if you do that 8+9 part first or the 9-10 part first Can you just
1. 3 answers
2. asked by mysterychicken
3. 464 views
How do I find depreciation does anyone know the formula thanks
1. 2 answers
2. asked by Alex
3. 454 views
What is the relationship between the molar mass of Ne, Ar, Kr, and Xe and the melting points of their solids?
1. 3 answers
2. asked by Katie
3. 453 views
show that 1-cos^2t divided by sin^2t =TANt
1. 1 answer
2. asked by Craig
3. 451 views
how do you find the solution to(dy/dx)+ycos(x)=6cos(x) when the initial conditions y(0)=8? all i can get is y(x)=e^sin(x) + 7
1. 1 answer
2. asked by alice
3. 447 views
freshwater resource challenge
1. 1 answer
2. asked by fay
3. 446 views
What lipoprotein is associated with cholesterol and the production changes in blood vessles?
1. 1 answer
2. asked by Lori
3. 444 views
can someone give me proof that a negative number times a negative number is a positive numberI've always been told this in like
1. 1 answer
2. asked by Math
3. 442 views
how do you read graphs showing direct variation and inverse variation??
1. 0 answers
2. asked by Angie
3. 434 views
how do you find the differential equation fort(dy/dt)+9y=8t and y(1)=6?
1. 1 answer
2. asked by alice
3. 420 views
Central tendency is to ________ as mean is to standard deviation.This is in a crossword puzzle. _ _ R _ A _ _ _ _
1. 1 answer
2. asked by Anonymous
3. 418 views
Would Interest on both government and corporate bonds would be included as part of interest income in determining the GNP by the
1. 1 answer
2. asked by Jim
3. 417 views
I have to do an essay in spanish, but I need 150 words, and I only have 138. Can someone tell me how to say "my favorite band
1. 2 answers
2. asked by Mike
3. 416 views
When might bias not interfere with credibility?
1. 2 answers
2. asked by Malkia
3. 413 views
what do they mean when they tell you to comment about someone's religous imagination?
1. 1 answer
2. asked by cathia
3. 385 views
sketch the graph of y^2=(1/4)x
1. 1 answer
2. asked by ben
3. 384 views
write the ratio of 5 2/3 to 6 simplest form. = 17/3 *6 =34. Is this right I think so but let me know
1. 1 answer
2. asked by elaine
3. 370 views
how do you round off each factor so that only one digit is not zero
1. 1 answer
2. asked by lorenzo
3. 356 views
what is 0.25 min
1. 1 answer
2. asked by thelma
3. 356 views
8/26=m/13104/26 m=4 Check this problem please
1. 1 answer
2. asked by Johnnie
3. 351 views
how do you find the function to satisfyy'-2y=2e^(3t) and where y(0)=-5?
1. 1 answer
2. asked by alice
3. 337 views
so does that mean 0.25 equal to seconds
1. 1 answer
2. asked by thelma
3. 310 views
If you put 25 cents in the bank and double it every year. How long will it take to have 1 billion
1. 1 answer
2. asked by Kate Farley
3. 285 views
I have to write a persuasive letter to a major company about an issue that effects kids my age what should i write about
1. 1 answer
2. asked by lisa
3. 283 views
what is prime and composite 13,37,25,117208,67
1. 2 answers
2. asked by Paige
3. 266 views
x/2-x/3=5
1. 1 answer
2. asked by Mildred
3. 247 views
if a shirt is 45 % off and the sale price is 114.95-what is the original cost?please help me with this formula
1. 4 answers
2. asked by abbie
3. 240 views

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