Questions Asked on February 27, 2009

Question: "Plutonium isotope Pu-239 has a half-life of 24,100 years. Suppose that 10 grams of Pu-239 was released in the
1. 2 answers
2. asked by zak
3. 4,162 views
Can someone please check my work?Answer the following questions in complete sentences. 1. ¿Adónde vas los lunes a las 8:30 de
1. 8 answers
2. asked by Larry
3. 3,488 views
Can someone please help with this problem?A burnout test was performed to determine the volume fractions of constituents in a
1. 2 answers
2. asked by Jim
3. 3,397 views
Which factor, self-interest or idealism, was more important in driving American foreign policy in the years 1895-1920?Thanks for
1. 5 answers
2. asked by Jimmy
3. 3,178 views
Can someone please check my work?These students are at school. Put the senence in the correct order using the correct form of
1. 1 answer
2. asked by Larry
3. 2,471 views
Benzene is often produced as a by-product during the synthesis of phenylmagnesium bromide. how can its formation be explained?
1. 1 answer
2. asked by Blair
3. 2,259 views
What product is expected from the reactino of fumaric acid (trans-2-butenedioic acid) with 1,3-butadiene?
1. 2 answers
2. asked by Blair
3. 1,921 views
If a barrier island that is 1km wide and 10km long loses 1.5 m of its width per year to erosion by a longshore current, how long
1. 10 answers
2. asked by Dan1
3. 1,844 views
Solve the system of equations using substitution.x + 4y = -5 3x - 8y = 45 When I tried to solve it, I got x=-17 and y=-3. When I
1. 3 answers
2. asked by Cassie
3. 1,649 views
A cookie jar contains 3 chocolate-chip, 2 peanut butter, 1 lemon, 1 almond, and 5 raisin cookies.a) In how many ways can you
1. 1 answer
2. asked by Holly
3. 1,584 views
Lorenzo's model train is 1/87 the size of the original train. He measures the engine of the model train and finds that it is 2.5
1. 3 answers
2. asked by Megan
3. 1,385 views
Why are there always at least two solutions in quadratic equations?
1. 1 answer
2. asked by candy
3. 1,262 views
Find three ordered pairs (a,b) that satisfy the equation 3a - 5b = 9.So far, I got (3,0). I'm having trouble finding others.
1. 1 answer
2. asked by Cassie
3. 1,249 views
If, by mistake, a chemist used 100% ethanol rather than diethyl ether as the reaction solvent, would the Grignard synthesis
1. 1 answer
2. asked by Blair
3. 1,207 views
If maleic acid could be represented as H2Ma, write the 2 net ionic equations for its reaction with NaOH in the space below
1. 2 answers
2. asked by Anonymous
3. 1,111 views
discuss three different ways a teacher can foster syntactic or semantic development in students. Provide a classroom example of
1. 1 answer
2. asked by sha
3. 1,085 views
How and why the developments discussed in the Wall Street Journal Story below affect the elasticity of demand for the flat
1. 1 answer
2. asked by Adam
3. 1,070 views
need help on final grammar quiz in Com 215
1. 2 answers
2. asked by Kristine
3. 1,018 views
what makes lava from a volcano like glass?
1. 0 answers
2. asked by Daron
3. 1,017 views
why do you think the statue of liberty was made of copper instead of zinc
1. 1 answer
2. asked by cesar
3. 963 views
What is the reducing agent in the forward reaction?H2O2(aq) + 2 HI(aq)--->2 H2O(l)+I2(s) Since H2O2 can be both a reducing and
1. 1 answer
2. asked by Songyi
3. 955 views
the wavelength of an electromagnetic wave is ____________.a. directly proportional to its frequency b.inversely proportional to
1. 0 answers
2. asked by layla
3. 823 views
one method that the sumerians used to survive and overcome the limitations of their geographical enviroment was?
1. 6 answers
2. asked by ricardo
3. 822 views
LCM of (x-y) and 2(y-x)
1. 1 answer
2. asked by Micheal
3. 817 views
State two differences between DNA and RNA.we did not study this at all, so far I see that DNA has several million nucleotides,
1. 2 answers
2. asked by sport
3. 810 views
why do pickled cucumbers remain edible much longer than fresh cucumbers do?
1. 1 answer
2. asked by al
3. 761 views
identify one type of resource from each subsystem on which people depend?is that... lithospehere- land hydrosphere- water
1. 1 answer
2. asked by scooby9132002
3. 731 views
Can someone tell me the sentence structure of this sentence?In Frank R. Stockton's short story "The lady or the tiger?" one
1. 2 answers
2. asked by Katy
3. 715 views
Bruce needs 30 five-foot pieces of rope for a school project. The hardware store sells rope by the yard. How many yards of rope
1. 3 answers
2. asked by Angie
3. 693 views
Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is
1. 1 answer
2. asked by Sharon
3. 685 views
My question is on scales etc.. heres the question| The Sears Tower is 1450 feet tall. If a model is 25 inches tall, find the
1. 1 answer
2. asked by bollocks
3. 668 views
I need help I am not sure what I am doing this the right way or not please help.Axia College Material Appendix D Topic Outline
1. 1 answer
2. asked by smeffy
3. 655 views
f(x) = cos(x) - (cos(x))^2 for -pi is less than or equal to x is less than or equal to pi1) x-intercepts? 2) x and y coordinates
1. 1 answer
2. asked by jane
3. 652 views
what is the relationship between variables on which the prediction in the statement is based? ( in 2009 blank published a
1. 2 answers
2. asked by May
3. 644 views
Compounded semiannually. P dollars is invested at annualinterest rate r for 1 year. If the interest is compounded semiannually,
1. 2 answers
2. asked by Debbie
3. 635 views
Solving Multivariable Linear Systems:3x-5y+5z = 1 5x-2y+3z = 0 7x-y+z = 5 I am confused on how to solve this. I'm supposed to
1. 2 answers
2. asked by Chris
3. 632 views
Height difference. A red ball and a green ball aresimultaneously tossed into the air. The red ball is given an initial velocity
1. 2 answers
2. asked by Debbie
3. 628 views
ok there seems to be a lil confusion. the question was not fer my own personal...needs i quess. We r doing a debate in lang arts
1. 3 answers
2. asked by Alysha
3. 616 views
Marvin is planning to open a fabric dyeing business. He plans to do large scale dyeing of both fabric bolts and ready-to-wear
1. 2 answers
2. asked by China
3. 612 views
how does the earth's four subsystems (lithosphere, hydrosphere, biospehere, atmosphere) interact with one another?
1. 1 answer
2. asked by scooby9132002
3. 604 views
Using L'Hospital's Rule,find, the limit as x approaches 0 of x^(sinx)
1. 1 answer
2. asked by Laura
3. 582 views
Over time, non-specialists are usually able to assimilate radically new scientific ideas, even though these ideas may seem
1. 1 answer
2. asked by randy
3. 581 views
Does anyone know a website that will help me identify the physical properties of compounds, elements, and mixtures? For example,
1. 1 answer
2. asked by Jen
3. 578 views
A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the
1. 1 answer
2. asked by ash
3. 575 views
I'm desperate.. I keep getting b=0 and I know it's wrong!!Find a cubic function f(x) = ax^3 + bx^2 + cx + d that has a local
1. 3 answers
2. asked by Danielle
3. 573 views
you may remember me from before but yah so I got information about Horace Greeley and we had a round table disscusion. We are
1. 3 answers
2. asked by Mike
3. 572 views
What is the circumference of a circle circumscribed about a square with a side length 24 m?
1. 2 answers
2. asked by Lauren
3. 569 views
How do i find 1800 ml of water would fill a ________ cm3 container
1. 2 answers
2. asked by Dustin
3. 562 views
what are the point groups former- Co Cl3 (CO3) and fac- Co Cl3 (CO3)
1. 0 answers
2. asked by erin
3. 556 views
what number is 24% of 95.Sorry but i don't understand how to get numbers using percents. another problem im stuck with is what
1. 2 answers
2. asked by Christina
3. 555 views
what are examples of formal economic activities? helpp plz and thanku :)
1. 3 answers
2. asked by beecca
3. 541 views
How do you multiply polynomials ?
1. 1 answer
2. asked by lora
3. 541 views
A MANUFACTURE OF LIGHTBULBS HASS SAMPLED 40 BULBS IN ORDER TO DETERMINE THE POPULATION MEAN LIFE OF THE BULBS. tHE SAMPLE MEAN
1. 0 answers
2. asked by PHILLIP
3. 537 views
Hi, I wrote this poem and I was wondering if someone could please edit it for me? ThanksIn my dreams, creeps up a guy,
1. 6 answers
2. asked by mysterychicken
3. 534 views
why was the declaration of independence written and who wrote it?
1. 0 answers
2. asked by jasmine
3. 529 views
Your post was removed.Once you write up <b>YOUR THOUGHTS</b>, please re-post, and someone here will be happy to comment.
1. 0 answers
2. asked by Writeacher
3. 528 views
The rotor in a shaded-pole motor consists ofa. coils energized by alternating current b. a short-circuited loop of copper wire
1. 0 answers
2. asked by Nick
3. 525 views
Give an example of a hydrophobic group and a hydrophilic group in triarity proteins.Thanks so much.ps. I have collogen but I do
1. 2 answers
2. asked by sport
3. 523 views
i need to find a peer reviewed journal article pertaining to my chosen behavior modification project, which is to start running
1. 1 answer
2. asked by Jenna
3. 502 views
What is the difference between United States and Mexican currency?
1. 1 answer
2. asked by Paige
3. 495 views
A ? is a channel along which water is continually flowing down a slope
1. 1 answer
2. asked by alison
3. 492 views
i need to do a 3 page paper on joan of arc's trial, but i don't know what information to put. can you please help me make a
1. 3 answers
2. asked by AJ
3. 491 views
Find the positive root of 2x^2-5x-5=0
1. 3 answers
2. asked by Starsky
3. 482 views
just failed a 3000 word essay on marketting and branding. I don't think I should have failed as I feel I covered most areas and
1. 1 answer
2. asked by tracy
3. 482 views
What is a problem-solving report?What are the pros for each time period? What are the cons for each time period?
1. 1 answer
2. asked by China
3. 476 views
Find the solutions to each quadratic by factoringx^2+3x-18=0 3x^2-9x=o x^2-10x+21=0 5x^2+30x+45=0
1. 1 answer
2. asked by jessica
3. 475 views
Can you explain how anger and fear are inhibitory, and exhaustion and lack of focus are excitatory?
1. 1 answer
2. asked by Jeri
3. 475 views
Find the median of the following set of numbers.45, 14, 56, 14, 66, 64
1. 1 answer
2. asked by Sadie
3. 474 views
I need to explain why subtracting a negative is like adding
1. 1 answer
2. asked by john
3. 474 views
no matter how many different ways i try to solve this, i cannot end up with the answer my textbook is providing me with 38m,
1. 1 answer
2. asked by alexia
3. 470 views
how can I find the greatest common factor of 9x^6-6x^4+12x^3
1. 1 answer
2. asked by chubbykitty
3. 469 views
why do lemon juice keeps apple slices from turning brown? thanks.
1. 2 answers
2. asked by al
3. 463 views
Evaluate:/-39/-/-18/
1. 1 answer
2. asked by Sadie
3. 463 views
why is the color of the sky orange during sunrise and sunset?--pls help me on here-- thanks :)
1. 2 answers
2. asked by matani
3. 461 views
AnalogiesAnemia is to blood AS concussion is to _________
1. 1 answer
2. asked by Ashely
3. 460 views
Punishment, perspective, and silence/isolation provide the greatest relief.This is my thesis given to me by my teacher for an
1. 1 answer
2. asked by Cassidy
3. 458 views
Words that mean "Equal Justice Under the Law" Is there such a thing or do they just want words that relate to it?
1. 1 answer
2. asked by Andrew
3. 452 views
(4/3)^-2
1. 1 answer
2. asked by Iris
3. 450 views
I need help with a thesis statement with the essay that Steven Pinker wrote called The Moral Instinct.
1. 0 answers
2. asked by Lisa
3. 440 views
how do you say gold and silver in french?
1. 2 answers
2. asked by Angie
3. 439 views
how do you graph x square minus four x plus five equals zero
1. 1 answer
2. asked by Ryan
3. 437 views
1. (x+1)(x+1)=x^2+x+x+1=x^2+2x+111*11=121 2. (x+1)(x+2)=x^2+2x+x+2=x^2+3x+3 11*12=132 3. (x+1)(x+3)=x^2+3x+x+3=x^2+4x+3
1. 1 answer
2. asked by kathy
3. 435 views
aeyteouucr. unscramble it
1. 1 answer
2. asked by Kirthi
3. 434 views
how do i solvetan(165) and sin(285)
1. 1 answer
2. asked by jaden
3. 433 views
What are two volcanoes in the Atlantic ocean?
1. 2 answers
2. asked by Angie
3. 426 views
I was just wondering: is it possible to sleep and not dream?
1. 1 answer
2. asked by Bella
3. 419 views
Multiply:(4) (-3/2)
1. 1 answer
2. asked by Sadie
3. 418 views
What is the Riemann Hypothesis? I've looked it up on Google but don't completely undestand it.-MC
1. 3 answers
2. asked by mysterychicken
3. 418 views
What does "un surv¨ºtement" mean in english?
1. 1 answer
2. asked by Angie
3. 415 views
Find Reciprocal of 1/3 (9-4).
1. 1 answer
2. asked by Sadie
3. 412 views
which social condition was emphasized during the renaissance
1. 0 answers
2. asked by odell
3. 410 views
Find reciprocal of:1/7 (-3-7)
1. 1 answer
2. asked by Sadie
3. 405 views
simplify this: -(n-2)(3n+2)
1. 2 answers
2. asked by Angie
3. 403 views
Consider 57.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.800. What volume of water must be added to
1. 0 answers
2. asked by Carry
3. 403 views
What are some of the type of fees associated with starting a corporation and a partnership?
1. 1 answer
2. asked by China
3. 399 views
can isotopes exist in any of the elements on the periodic table?or do u know a site that can give me more information on this?
1. 1 answer
2. asked by Alexis
3. 390 views
Find the slope of the line that goes through the given points. I think I got it, but want to be sure! Thanks :)(3,-2),(-1,-6)
1. 2 answers
2. asked by Meagen
3. 365 views
9.3 X 10^-5
1. 4 answers
2. asked by JORGE
3. 359 views
Find f X g3 sqrt of x+1 X x^3+1
1. 2 answers
2. asked by Dan
3. 348 views
Subtract:7/9-(-13/18)
1. 3 answers
2. asked by Sadie
3. 347 views

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