February 27th, 2017, 08:29 AM  #1 
Newbie Joined: Feb 2017 From: Michigan Posts: 17 Thanks: 0  Can someone explain what this means? thanks in advance Last edited by skipjack; February 27th, 2017 at 10:29 AM. 
February 27th, 2017, 10:47 AM  #2 
Senior Member Joined: Aug 2012 Posts: 2,342 Thanks: 731 
78% of all statistics are made up.

February 27th, 2017, 04:22 PM  #3 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 
Huh? Looks like a simple joke to me...

February 27th, 2017, 05:58 PM  #4 
Senior Member Joined: Feb 2016 From: Australia Posts: 1,829 Thanks: 648 Math Focus: Yet to find out. 
Some numbers within the first expression are hardly readable.. Unless there's a clearer copy of it somewhere, I doubt it has any meaning.
Last edited by skipjack; February 28th, 2017 at 03:32 AM. 
February 28th, 2017, 03:32 AM  #5 
Global Moderator Joined: Dec 2006 Posts: 20,810 Thanks: 2151 
If enlarged, it's just readable, but seems to evaluate to a value greater than 100%.

February 28th, 2017, 03:47 AM  #6 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,264 Thanks: 902 
Unfortunately, some of those expressions are too blurred to read. The first is a sum of powers of 2, but I cannot read the powers. 5!= 5(4)(3)(2)(1) = 120. The last term in the numerator is a power of 7, but again I cannot read the power. In the denominator, the limit, as x goes to 0 of $\displaystyle \frac{\sin(x)}{x}$ is "1" and $\displaystyle i^4$ is also "1". $\displaystyle \cos\left(\frac{3\pi}{4}\right) = \frac{\sqrt{2}}{2}$. The last is $\displaystyle \frac{\sqrt{3}}{2}$ which is about 0.8660. I strongly suspect that this is not supposed to be equal to any specific number but just an arbitrary combination of math symbols. Last edited by skipjack; February 28th, 2017 at 04:03 AM. 
February 28th, 2017, 04:23 AM  #7 
Newbie Joined: Feb 2017 From: Michigan Posts: 17 Thanks: 0 
How did you get 78% I have been given this question in math to know what it means and have to explain it.

February 28th, 2017, 04:25 AM  #8 
Newbie Joined: Feb 2017 From: Michigan Posts: 17 Thanks: 0  There is a picture of this online. My teacher bought a shirt that has this on it and we have to solve it to get points. Can someone explain what it means in detail please.?

February 28th, 2017, 04:57 AM  #9 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038  
February 28th, 2017, 05:53 AM  #10 
Global Moderator Joined: Dec 2006 Posts: 20,810 Thanks: 2151 
I think the expression inside the cube root is as shown below: $$\dfrac{\left(\displaystyle \sum_{n = 1}^{15}e^{\large\ln n}\right)\Bigg({\Large5!}\Bigg) {\Bigg(}{\Large7}^{{\Large\ln}_{ \large7}\large120}{\Bigg)}}{\displaystyle \left(\lim_{x \to 0}\frac{\sin x}{x}\right){\bigg(}i^{\large4}{\bigg)} \left(\cos \frac{3\pi}{4}\right) \left(\frac{2}{\sqrt2}\right)}$$ which would make the original expression evaluate to 120%. (The expression uses $\log_7$, but that means the same as the $\ln_7$ given above.) However, the $\sqrt2$ is hard to read and might be $\sqrt3$. Last edited by skipjack; February 28th, 2017 at 07:23 AM. 

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