Questions Asked on April 2, 2010

The triangular numbers are the numbers 1, 3, 6, 10, 15, . . .; the square numbers are the numbers1, 4, 9, 16, 25, . . . The
1. 2 answers
2. asked by Brian
3. 1,904 views
How teacher help students remember information.
1. 1 answer
2. asked by Anonymous
3. 914 views
Using a " Cause and effect map" illlustrate a rapid and slow change caused by molten rock and it's effect on Earth's surface and
1. 1 answer
2. asked by Uzair Amin
3. 530 views
In order to provide snacks for guests on a 24-hour basis, Night sign a contact with Snack Attack. Snack Attack will install
1. 2 answers
2. asked by Armetrice
3. 1,219 views
It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength oflight (nm) that can be
1. 2 answers
2. asked by Anonymous
3. 6,223 views
Chromium (II) nitrate forms a hydrate that is 40.50% water by mass. What is its chemical formula?I just need to figure out how
1. 1 answer
2. asked by Lola
3. 3,961 views
How many millimoles of H+ are present in 1.00 L of 1.24 M CF3CO2H solution?
1. 1 answer
2. asked by andy
3. 635 views
The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192
1. 5 answers
2. asked by Mark
3. 1,178 views
Rolaids once ran a national advertising campaign in which it claimed that Rolaids consumes 47times its own weight of excess
1. 0 answers
2. asked by Anonymous
3. 684 views
I need help to get started with writing the equation for the following problem: It takes a freight train 2 hours longer to
1. 1 answer
2. asked by fiona
3. 1,082 views
1) The concentration of the aluminum ion in a test solution is 0.10M. Using the Ksp for aluminum hydroxide (3. x 10^-34),
1. 3 answers
2. asked by Zach
3. 1,309 views
I am stuck on the final paper for this class. I am not really sure what is expected. The directions don't make sense to me.o
1. 3 answers
2. asked by Tina
3. 580 views
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will
1. 1 answer
2. asked by Aaron
3. 1,410 views
If the speed of sound in air is 340 m/s, what is approximately the length of a shortest air column closed at one end that will
1. 2 answers
2. asked by Aaron
3. 1,456 views
A length of organ pipe is closed at one end.If the speed of sound is 344 m/s, what length of pipe is needed to obtain a
1. 1 answer
2. asked by Aaron
3. 710 views
Can someone help me with this??Simplify... �ã-45 x �ã-20 = is it?? �ã-45*-20 �ã-900 3�ã-30
1. 1 answer
2. asked by dan
3. 351 views
Explain clearly in detail the difference of the summation of n=1 to infinity of 1/n^2; and the integral of 1/x^2dx with the
1. 1 answer
2. asked by Alex
3. 703 views
Thanks ReinyHow ado I simplify? (3i�ã5)^
1. 3 answers
2. asked by dan
3. 394 views
how do some cells become brain cells and others become skin cells when the DNA in all of the cells is exactly the same
1. 0 answers
2. asked by m
3. 850 views
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10?B) So once that is found, then how can you prove
1. 0 answers
2. asked by Sarita
3. 743 views
fill in the missing digits in as many ways aspossible so the number will be divisible by 6. 3_2_
1. 1 answer
2. asked by Lisa
3. 877 views
Find the critical value zc necessary to form a confidence interval at the given level of confidence.a. 90% = 1.645 b. 85% =
1. 1 answer
2. asked by looking for someone to varify my work please
3. 1,669 views
how many bases are in a sphere?
1. 1 answer
2. asked by Jared
3. 541 views
When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the
1. 1 answer
2. asked by naomi
3. 516 views
When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the
1. 0 answers
2. asked by naomi
3. 536 views
Find the value(s) of x, so that f’(x) = 0 for the function f(x) = 4x3 – 6x2 – 24x.
1. 1 answer
2. asked by David
3. 1,789 views
4. For the curve with y = -2x3 + x - 6, find:(b.) the gradient at the point (-1, -5) (c.) the equation of the tangent line at
1. 2 answers
2. asked by David
3. 472 views
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin morestrongly than oxygen does. The
1. 1 answer
2. asked by Johannie
3. 607 views
What is the role of the wick in the candle?Is the role of the wick just to hold the flame of the candle? More information would
1. 2 answers
2. asked by Sara
3. 1,189 views
One reason carbon monoxide (CO) is toxic in that it bind to the blood protein hemoglobin morestrongly than oxygen does. The
1. 3 answers
2. asked by Johannie
3. 1,336 views
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c).4861.3 d). 6562.8 and e).
1. 1 answer
2. asked by Samantha
3. 863 views
what is the shape of the candle flame?To me it looks kind of like a leaf--more like a teardrop. Am I correct? where does the wax
1. 2 answers
2. asked by Sara
3. 584 views
A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system
1. 1 answer
2. asked by ame
3. 1,619 views
Five lines in the H atom spectrum have the following wavelengths in Ǻ: a). 1212.7, b). 4340.5, c).4861.3 d). 6562.8 and e).
1. 8 answers
2. asked by Samantha
3. 4,164 views
What are identifing fallacies
1. 1 answer
2. asked by com 205
3. 404 views
Which of the following are considered debt investments?Treasury bills Stocks Collectibles Cars Is it stocks?
1. 0 answers
2. asked by Lena
3. 391 views
I have 70 problems today and have trouble near the end if I can get help on the ones I am going to to post I can do the last 15.
1. 0 answers
2. asked by Brenna
3. 792 views
Post part 2....sq root sign = < need to know how to simplify? 40. 2<-24*(-<-54) 42. i<-98 - <98
1. 0 answers
2. asked by Brenna
3. 440 views
I appreciate the help. i take the class online and we get 70 problems a day to do.sqrt = < sign #46. <-r^5/2 * <-2/r^3 #50
1. 0 answers
2. asked by Brenna
3. 414 views
when finding the factors for 841 what is the largest factor you would have to test?
1. 1 answer
2. asked by Bob
3. 464 views
The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of
1. 1 answer
2. asked by Zacky
3. 2,247 views
, list and explain two specific measurements sociologists utilize to calculate and/or analyze prejudice. Be specific as to the
1. 2 answers
2. asked by Anonymous
3. 410 views
consider a pair of planets that find that the distance between then is decreased by a factor of 5. Show that the force between
1. 0 answers
2. asked by Me
3. 479 views
sorry i forgot add the questionThe freezing point of a solution is A. lower than the freezing point of the solvent alone because
1. 1 answer
2. asked by phys
3. 614 views
Find the maximum and minimum values of f(x,y,z)=3x+1y+5z on the sphere x^2+y^2+z^2=1
1. 2 answers
2. asked by Salman
3. 1,245 views
In a random sanple of 500 students, 80% say they have a part-time job. An approximate 95% confidence interval for the proportion
1. 1 answer
2. asked by Yumna
3. 487 views
a) The element with the greatest density is osmium, which has a density of 22.6g/cm3. calculate the mass of 32.1 cm3 of osmium.A
1. 2 answers
2. asked by Anonymous
3. 1,055 views
A reflection grating is required which can resolve wavelengths as close as 0.002 nm in second order for the spectral region
1. 0 answers
2. asked by Sandhya
3. 862 views
A double slit diffraction pattern is formed on a distant screen using mercury green light ofwavelength 546.1 nm. Each slit has a
1. 0 answers
2. asked by Sandhya
3. 1,092 views
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10?B) So once that is found, then how can you prove
1. 0 answers
2. asked by Sarita
3. 1,157 views
during a recent telethon people pledged $25 or $50. twice as many people pledged $25 as $50. altogether, $18000 was pledged. how
1. 2 answers
2. asked by emily
3. 1,934 views
you work at a grocery store. your hourly wage is greater after 6pm than it is during the day. one week you work 20 daytime hours
1. 1 answer
2. asked by emily
3. 1,029 views
Please help me solve -4x-20=-21&1/3
1. 1 answer
2. asked by anonymous
3. 307 views
The specific heat of a solution is X J/g*degreesC and its density is Y g/mL. The solution was formed by combining Z mL of
1. 1 answer
2. asked by Fred
3. 1,286 views
An objuect is located 20cm in front of a -3.00 lens where is the image?
1. 0 answers
2. asked by Noelle
3. 898 views
An object is located 25cm in front of a +6.00 lens, where is the image? is it real or virtual?
1. 1 answer
2. asked by Noelle
3. 541 views
determine whether the following pairs is a solution of 4p-3p=22 ,(2,7)(-1,6)
1. 2 answers
2. asked by Michelle
3. 362 views
In a triangle ABC, angle B is 5 times angle A and angle C is 18° less than 4 times angle A. Find the size of the angles.
1. 1 answer
2. asked by anonymous
3. 362 views
hi, im in the 9th grade and i need help I need help with my math. the following questions are?we are learning parallel lines and
1. 2 answers
2. asked by shanen desir
3. 654 views
Simplify#54 -�ã18c * �ã-2c(cubed) #62 yi�ã-16y(sq)+ �ã16y(sq) - y(sq)i�ã-9
1. 3 answers
2. asked by brenna
3. 468 views
22. Evaluate the square root of xy when x=15 and y=15.square root of 15(15) = square root of 225 = 15 ?
1. 2 answers
2. asked by mysterychicken
3. 330 views
36. Add -5 + 4 + (-5) + 3 + (-1) + (-6)I solved this twice, and got different answers each time. I'm not sure where I'm going
1. 2 answers
2. asked by mysterychicken
3. 315 views
4. To what set of numbers does 7.543 belong?a. rational b. irrational c. integer A? -MC
1. 1 answer
2. asked by mysterychicken
3. 481 views
Hi can someone help assist me with my math problems dealing with probabilityIf 80% of scheduled flights actually take place and
1. 1 answer
2. asked by Hannah
3. 1,016 views
20. Find the quotient: (-100) divided by (-25)4?
1. 1 answer
2. asked by mysterychicken
3. 434 views
21. Find the square root: + or -sqrof121How do you do this?
1. 4 answers
2. asked by mysterychicken
3. 408 views
What type of fallacy statement The president's agenda has been derailed by out of touch right-wing extremist lies spread by
1. 1 answer
2. asked by Antonette
3. 441 views
If three employees were randomly selected, what is the probability that all three are male?
1. 2 answers
2. asked by Debbie
3. 698 views
33. Simplify a^5/a^3a^2? Because I think when it's like that you subtract the two powers. Simplify sqrt of a^2 How do you do
1. 3 answers
2. asked by mysterychicken
3. 560 views
How many ways are there of spelling out “ABRACADABRA” by traversing the following diamond, always going from one letter to
1. 3 answers
2. asked by Tigger
3. 616 views
In the game of Incan basketball, a points are given for a free throw and b points are given for afield goal, where a and b are
1. 0 answers
2. asked by Thumper
3. 477 views
Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect square. Are there any positive
1. 0 answers
2. asked by Diamond
3. 1,244 views
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! Here istheir argument. Given the obtuse
1. 1 answer
2. asked by Jewel
3. 725 views
Consider a rectangular array of dots with an even number of rows and an even number of columns. Color the dots, each one red or
1. 0 answers
2. asked by Teddie
3. 449 views
The squares of an infinite chessboard are numbered as follows: in the first row and first columnwe put 0, and then in every
1. 0 answers
2. asked by Raven
3. 815 views
Let’s agree to say that a positive integer is prime-like if it is not divisible by 2, 3, or 5. Howmany prime-like positive
1. 0 answers
2. asked by David
3. 713 views
Find a positive integer m such that1/2m is a perfect square and 1/3m is a perfect cube. Can you find a positive integer n for
1. 0 answers
2. asked by Sunny
3. 491 views
The tail of a giant kangaroo is attached by a giant rubber band to a stake in the ground. Aflea is sitting on top of the stake
1. 4 answers
2. asked by Taylor
3. 704 views
Hey!Where can I find a COMPLETE listing of 1950's scripts/screenplays? Thanks!
1. 3 answers
2. asked by catherine
3. 473 views
Is OB Mod a form of manipulation?
1. 0 answers
2. asked by Babyboo
3. 401 views
Is ATP an allosteric inhibitor for protease?
1. 0 answers
2. asked by Alan
3. 318 views
in An Essay on Criticism,Alexander Pope defines the use of wit in literature,stating that a poet should use plain language and
1. 2 answers
2. asked by trish
3. 1,614 views
5 Part Question:6 timed runs were made along route A with an average of 95 minutes and a standard deviation of 10.5 minutes.
1. 2 answers
2. asked by Moe
3. 653 views
what is the molar change in enthalpy when 100 g of ice is heated from -18.2C to -7.2C?(C=37.4 J/K*mol)
1. 3 answers
2. asked by any
3. 1,700 views
What does this quote mean?Not all who wander are lost. Thanks -MC
1. 1 answer
2. asked by mysterychicken
3. 422 views
Which of the following are considered debt investments?Treasury bills Stocks Collectibles Cars
1. 0 answers
2. asked by Lena
3. 364 views
50. Solve [1/2*2/3] divided by [4/3*1/4]1?
1. 0 answers
2. asked by mysterychicken
3. 320 views
Simplify, help pleasesqrt-3 + sqrt27
1. 0 answers
2. asked by teri
3. 510 views
I need help on proof reading this story.Christmas should be a time of celebrating the birth of Christ, but it seems like people
1. 2 answers
2. asked by Leila
3. 1,257 views
Hi, I was wondering if someone could clear this up for me. Anodes and cathodes. Which is which?I'm getting mixed information
1. 2 answers
2. asked by Anonymous
3. 555 views
The monthly payments on an 8-year loan compounded monthly at 4.75% are $100. What was the original amount of the loan?
1. 6 answers
2. asked by Thara!
3. 570 views
someone can check my answer for me? and b) Shape and Bond Angle answer would be great too! :)a) NF3 Structure = 26 electrons,
1. 1 answer
2. asked by Anonymous
3. 1,123 views
Given Interest Rate3.75% Compounded Quarterly Equivalent Interest Rate _?_% Compounded Semi-annually formula is:
1. 1 answer
2. asked by Thara!
3. 550 views
Youth Criminal Justice Act essay?Thesis: The YCJA should be strictly enforced, if it is to be successful. Give 4 possible body
1. 1 answer
2. asked by Fred
3. 652 views
Why do you think it was that people did not pay attention to the conditions in the factories and political corruption until the
1. 1 answer
2. asked by marry
3. 556 views
Can you please help me check the grammar in the following sentences and tell me if the alternatives in brackets are possible?
1. 1 answer
2. asked by Franco
3. 666 views
if i have to round this to the nearest cents $978,096.9646 would it be 978,096.96 or .97?
1. 1 answer
2. asked by AMY
3. 302 views
Can you please tell me step by step on how to do this problem. Factoring by grouping:ab-5a-15+3b Thank You
1. 1 answer
2. asked by Lilian
3. 463 views
13. Healthy Foods, Inc., sells 50-pound bags of grapes to the military for $10 a bag.The fixed costs of this operation are
1. 4 answers
2. asked by marie
3. 1,010 views
whats the effect and the cause of retrograde motion in earths sky on both inferior and superior planets?
1. 1 answer
2. asked by nelly
3. 1,006 views

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