Questions asked by Parabola

• Back to user's profile
• What is missing in the way electrons are shown in three-dimensional models of both the Bohr and Schrodinger atoms?
  
• Why might organizing elements based on their atomic masses and their properties not be the best way to organize in a periodic table?
  
• What is an MRI? How does it take the pictures of our brain? What materials are used for it?
  
• What is #1+4(1/2)+6(1/2)^2+4(1/2)^3+1(1/2)^4#? More specifically, what is the "quick" way to solve this?
  
• How are hyperbolic sine, hyperbolic cosine, and hyperbolic tangent used in real life?
  
• Could there be more axioms out there we haven't found out yet?
  
• What fuction satisfies the following coordinates? #(0,1)(52,2)(104,4)(156,8)(208,16)(260,32)(312,64)# and so on?
  
• How would you prove the Fundamental theorem of calculus?
  
• If #kx^3-kx+9# is divisible by #x-1#, then what is #k#?
  
• How do organisms that require oxygen maintain enough oxygen during the winter months, where many trees lose there leaves?
  
• How can you prove the Poisson Distribution?
  
• Solve the following?: Using the punnet square between two organisms with genotype Ff and Ff, the probabilities for the genotype of the offspring is like the following: FF=25%, Ff=50%, ff=25% (continued on details)
  
• How can the fact that #1+2+3+4...=-1/12# in string theory?
  
• Solve the following? Stacy is playing with her magical colored wands. They come in three colors: red, yellow, and blue. Every hour, the wands multiply and change color with the following probabilities: (Continued in details)
  
• Find the sum of the infinite series #-ne^(1-n)# from #n=1# to #oo#?
  
• Does your karma get affected if a person likes your answer than unlikes it?
  
• What attempts had been made when people tried to prove the Collatz Conjecture?
  
• You and your friend play a game in which you roll two dice. The first person to roll two dice with a sum of 5 wins. If you roll first, what is the probability that you win?
  
• What is multivariable calculus?
  
• Solve the following? #x^(1/x)=1.2#
  
• What is the mistake in the following process? #e^(pii)=-1# Let #a# and #b# real numbers. #(e^(cancelpii))^(b/cancelpi)=(-1)^(b/pi)# #e^(bi+a)=(-1)^(b/pi)*e^(a)# Natural log. on both sides. #a+bi=ln[(-1)^(b/pi)*e^(a)]# Now...
  
• Compute the following? #pi^4+4pi^3i-10pi^2-20pi*i+35+(56i)/pi-84/(pi^2)-(120i)/(pi^3)+(165)/(pi^4)...#
  
• What is the area of the question mark? The opposite lines are not necessarily parallel.
  
• Solve the following? #(x−1)(x−3)(x−5)(x+1)=−12#
  
• All shapes in the picture are half-circles. If the radius of the smaller half-circle is 1, what is the area of the colored region?
  
• Is "betrayer" a word?
  
• Is the following solution correct? If not, why?
  
• An interesting problem...?
  
• Never mind (I have to end this with a question mark to edit?)