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Posts tagged with tennis

Numbers Matter

June13

Novak Djokovic started to realize what he had just achieved. This was the moment he won grand slam number 23, surpassing Rafael Nadal at the top of the men’s all-time list. In a golden era for the sport – stretching back to Roger Federer’s first grand slam title 20 years ago – Djokovic has now eclipsed those […]

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Old Style Tennis Data

June29

As Wimbledon got under way last Monday, data analysts are supporting the world’s top players. Their practice is widespread in elite tennis. Some players pay lucrative sums to specialist companies and the quest for any kind of edge is intense. But compared to other major sports such as baseball or football this has all happened relatively […]

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Well done, Andy but watch the Math Ranking

July9

Congratulations must go to Andy Murray for his win at Wimbledon this year. Researchers from the Miguel Hernández University of Elche have used mathematical techniques and game statistics from the Association of Tennis Professionals (ATP) to rank tennis players based on assessing their play. Their results complement the ATP ranking obtained on the basis of matches […]

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Game, set, match – Wimbledon Math

June27

Wimbledon! This great tennis tournament started on June 22. This year, 128 women and 128 men will battle it out for the women’s and men’s singles titles over a two week period. “In each round of the singles events the players are paired off, and the winners of these matches proceed onto the next round. […]

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Bouncing Along with Mathematics in Sport

August25

My Dad was a keen sportsman and encouraged me to play cricket in the summer. I can still remember the thrill of getting my first cricket bat and playing having Dad show me how to hold the bat and play the hard cricket ball. Almost every type of ball used in a sporting event must […]

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Post Support

Largest number between o and 1 million which does not contain the ‘n’ is 88

 

Rotation SAT Problem: Answer: 4 (see: https://www.youtube.com/watch?v=FUHkTs-Ipfg)

 

Which number has its letters in alphabetical order? Answer: F O R T Y

Hidden Rabbit? Clue: check the trees

How long for the stadium to fill? 45 minutes.

Where are you? the North Pole

Prize Object Puzzle: If Sue does not know where the prize is in the first question, it can’t be under the square. She must have been told it is under another shape. Apply this same logic to Colin. It is then obvious that the prize cannot be under a yellow object. That helps Sue eliminate her yellow shapes. Got the idea?

Algebra Puzzle: Answer = 1

Popular Math Problems Answers: 1, 1

Number of tabs? According to Lifehacker, the ideal number of tabs you should have open is nine. Yes, a single digit. To some, this is like playing a piano and only using a fraction of the notes!

Worst Graph? Where to start. What a visual mess and even some of the lines merge and are impossible to follow. A graph is a visual display of data, with the goal to identify trends or patterns. This is a spider’s web of information which fails to show a clear pattern at all. Solution? Well, different colors would help, or why not group in two or three graphs where trends are similar?

Number of different nets to make a cube is eleven – see this link

Homework Puzzle; The total value of the counters is 486, so halve this to get 243. Now, arrange the counters to equal this amount twice.

The graph on the left (Coronavirus) is for a time period of 30 days, while the one on the right (SARS) is for 8 months! Very poor graphical comparison and hardly relevant, unless it is attempting to downplay the seriousness of the coronavirus?

10 x 9 x 8 + (7 + 6) x 5 x 4 x (3 + 2) x 1 = 2020

NCEA Level 2 Algebra Problem. Using the information given, the shaded area = 9, that is:
y(y-8) = 9 –> y.y – 8y – 9 =0
–> (y-9)(y+1) = 0, therefore y = 9 (can’t have a distance of – 1 for the other solution for y)
Using the top and bottom of the rectangle,
x = (y-8)(y+2) = (9-8)(9+2) = 11
but, the left side = (x-4) = 11-4 = 7, but rhs = y+? = 9+?, which is greater than the value of the opp. side??
[I think that the left had side was a mistake and should have read (x+4)?]

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