Pi in the sky

Happy Pi Day!  Today is March 14 = 3.14 = Pi

pi = pie

In honor of this fabulous holiday, I’ll explain a little about Pi in my own words.

The most simple explanation of Pi is the Circumference divided by the Diameter.  All of which will only be used when there is a Circle involved.  Speaking of circles, check out the one below:

pipie

 

Diameter = length of the line represented by cutting the pie in half.

Circumference : Circle :: Perimeter : Square.  Ie. length of the border.

Circumference = the length of the crust.  It’s kind of hard to visualize it when it’s round.  So just take the crust, snip it, and roll it out in a straight line.

pie_crust_circumference

If the diameter of the circle is 1, unroll the pie crust and it equals Pi

Pi-unrolled-720

I don’t think in the BC days they had delicious pie crust (nor peach cobbler), so all they could do is continue to keep proving it with different sized circles.  If you believe the bible is true, then you have to believe in math, and vice versa.  2 Chronicles 4:2 talks about them approximating Pi = 3 while constructing Solomon’s Temple sea of cast metal.  Math back in the BC times had to be exciting.  Archimedes narrowed down 3 1/7 < Pi < 3 10/71.  It is presumed that Zu Chongzhi started with a shape with 24,576 sides to determine his approximation of 355/113!  That’s impressive.

Tonight, I think I’ll celebrate with a Pizza Pie and some Chocolate Silk Pie, yum.

Fun Math Fridays – 101 problems, Math aint one

My client and friend I-eXcel brought me a practice exam with no answers.  We went through it, and I enjoyed this problem so much, I decided to bless your soul with it!

Which statement is true about 101 consecutive integers ?  A. mean > median, B. mean = median, C. mean < median, D. cannot determine (based on real facts, lol)

Try it out, and leave your answers or steps you took in the comments.

 iexcel

My solution:

I. Start with the most common 101 consecutive integers (counting numbers): 1 2 3 … 48 49 50 51 52 … 97 98 99 100 101

Mean With an engineering mind, I spy that you always get a sum of 100 when you add: 1+99, 2+98, 3+97 … 48+52, 49+51.  So you have 49 x 100 = 4900.

Now all you have to add is the leftovers.  4900+50+100+101 = 5151

Divide that by you number of integers (101). Mean = 5151/101 = 51

Median Make it trivial, use integers 1 thru 11.  1 2 3 4 5 6 7 8 9 10 11.  Median is 6.  Similarly, 1 thru 101, Median = 51.

 

II. Another set of 101 consecutive integers: 0 1 2 3 … 48 49 50 51 52 … 97 98 99 100

Mean 0+100, 1+99, 2+98, 3+97 … 48+52, 49+51.  50 x 100 = 5000.

Leftovers. 5000+50 = 5050

Mean = 5050/101 = 50

Median 0 1 2 3 4 5 6 7 8 9 10. Median is 5. Similarly, 0 thru 100, Median = 50.

 

III. Last one, integers include negative numbers, too: -1 0 1 2 3 … 48 49 50 51 52 … 97 98 99

Mean 1+99, 2+98, 3+97 … 48+52, 49+51.  49 x 100 = 4900.

Leftovers. 4900+ -1 +0 = 4899

Mean = 4899/101 = 48.5

Median -1 0 1 2 3 4 5 6 7 8 9. Median is 4. Similarly, -1 thru 99, Median = 49.

AHHHHHHHHHHHH!! What happened?! Those old negatives make thing tricky!

The correct answer is D-cannot determine!

Victory!  You win!

 

#FunMathFridays #MathRoxMySox #101ProblemsMathAintOne  Enjoy your weekend!

Tithing and the Material Conditional

**PSA: Nerd Alert**

Hopefully, you can follow this really advanced Math that I had to understand for my math minor on the material conditional.  If you still have questions about tithing, check out my previous post on Tithing and leave me comments 🙂

 

 p: you Tithe

q: God will bless you 

p. q. “If p, then q”.

1. If you tithe, then God will bless you. True.

2. If you tithe, then God will not bless you.  False

3. If you do not tithe, then God will bless you.  True.  (and undeserved)

4. If you do not tithe, then God will not bless you. TRUE.  (not trying to be there)

 

Note: there is only one False combination.  There is no way that tithing will not bless you.  If this was easy, try to learn the whole chaper.  Please note, this is only the first chapter on Analysis (crazy huh?)

 

Does Happiness End?

Right now, I’m the happiest I’ve been in a long time!  I’ve been having a steady string of favor and blessings that have come my way.

Work:  I was worried for a little while because some of my team members have been going out of their way to sabatoge my progress.  Not explicitly telling my manager of the situation, I simply stated that I need to focus my knowledge and experience on another program.  Last week, we planned an exit strategy from that project and directing me towards my official engineering assignments!

Church:  I am really loving my church and my pastor.  He recently celebrated his 15 Pastoral Anniversary and it has been such a blessing to see what he has done with families, ministry, and the community.  The way that I got involved with the church was through their tutoring ministry, T.O.Y.S (Tutoring Our Youth for Success).  Since joining in December, I’ve been a lot more involved with Bible Study, meeting more members, and even sang in the Women’s Choir for Mother’s Day!

NSBE:  I’m officially the Programs Chair on the Region 4 Alumni Executive Board for the National Society of Black Engineers!  I am the lead of the Programs Zone.  My Program focus will be mainly on NSBEpreneur, Chapter Development, and Leadership and Personal Development.  My Personal focus will be on unemployed Alumni support.  I have a personal interest in that area and want to create an want the Alumni to serve as support for those going through recent graduation, layoffs, or entrepreneurship.

Toastmasters:  I am really enjoying my local chapter at work.  Toastmasters is a speaking organization to improve communication and leadership development.  I am still pursuing my first certification for Competent Communication, but I was asked to be on the leadership board as the Vice President Education.  It is the second highest ranking officer in the club, where my purpose is to get others excited and involved in the club.  Personally, the best way to do that is by illustrating what made me come to my first meeting and stay!

Relationships:  I’m finally out of an incredibly hurtful situation, and taking it slow towards the future.  If nothing else, that gives me something to shout about everyday!  I am very happy with my current situation.  I believe that I have already experienced many of the characteristics that I like (and don’t like).  The #1 must have is someone with a compatible personality – someone to rejoice in my happy times, and cheer me up when I’m feeling low.  The #1 dislike is trying to convince someone else that your plan is correct with no room to compromise or have a friendly debate.

Everything is on the up-and-up and I’m really enjoying my life right now.  BUT for every action, there is an equal and OPPOSITE reaction, which I am not excited about (Thanks Ike).

New Joints

This year, I didn’t have a New Year Resolution, but I guess I’ve stumbled upon four ‘New Joints’.  I have joined my Indy church, joined my local gym, joined the local Alpha Kappa Alpha Sorority Inc. chapter, and joined the National Society of Black Engineers – Indianapolis Alumni Extension.

I’ve been tutoring at my church since early 2009.  Once a week, after work, I tutor the kids in math (and read and play learning games with the 3 year olds!)  Around Easter, the pastor had a 3 part bible study immediately following the tutoring hours and I was encouraged to stay.  After staying for those, I was encouraged to come to Sunday service.  Almost 9 months later, I walked that aisle.  I’m really excited about my new members’ classes and reading the bible completely through in 1 year with this plan.  The main thing I love about my church is that we are trying to encourage and uplift the community while sharing the joy of Jesus.

zumba fitness

I also kinda fell into my gym.  The girls and I love Zumbathere!  I went to the competitor gym across the street and the Zumba was whack!!  There was this old lady with no spirit and didn’t really show her love of instructing.  Weeks later, I tried it out at my  gym and it was AMAZING!  Initially, we would only go about once a month.  Then, after putting a greater focus on health, we started going more often.  When proposed to join for about the 10th time, I had to do the math; each class is $10 and a monthly membership is $30.  Also with the membership, I had full access to the gym, and all the classes they offer.  Since, I joined, I have been going about 3 times a week and it’s been great!

I was initiated into my AKA chapter in 2007 and have been financially active since then.  There are two chapters in Indy usually know as the big chapter and the little chapter.  I went to the little chapter’s meeting early 2009 and I enjoyed that they were small, young, and ready to expand and help the city.  I went to a meeting with the big chapter toward the end of 2009 and personally, they seemed older and had a greater focus on improving the chapter and organization.  I went to the recent retreat for the little chapter where big things were proposed for this year and I wanted to be a part of it!

Of course, I have continued to be involved in NSBE, and was on the Fall Regional Conference Planning Committee, but I was not active in the local chapter.  I planned my life and weekend around the chapter meeting to make sure that I could attend.  At the meeting, we spoke about self-image and goals: what are they now, and how to improve them.  My plan was centered around my expectation to tutor, teach, and assist others in mathematics.  My full goals are still being finalized, but this was a great beginning.  Also, I volunteered with the chapter at a Women In Engineering breakfast for 8th grade girls where I gave them insight on the true meaning of an engineer and how they can focus their high school and college careers on that path.

All of these New Joints have thus far been a great addition to my life.  They attracted me because of their concern with people and the community.  The plan now is to continue to grow, meet new people, and enhance my Indy experience.