Mystery Category 1
Mystery Category 2
Mystery Category 3
100
If you were given the equation y = 5x + 35 over x, what value can x not equal to, and why?
x cannot equal to 0 because a fraction with a zero denominator is not possible.
100
Pink Floyd's album Dark Side of the Moon has spent 861 weeks on the Billboard 200 (in your face Adele). How many years and weeks is that?
53 years and 29 weeks
100
New iPhones are released every two years. At this current rate, how long will it be before an iPhone 100 (assuming they are still around) will be released? The last iPhone to be released was the 7.
186 years
200
THIS QUESTION IS WORTH DOUBLE Graph the equations y = x and y = -x. At which point do the two lines intersect?
The two lines intersect at the origin.
200
Solve the inequality: 3x > 60
x > 20
200
JOKE QUESTION Does last year's odds of us winning in a category for the Math Field Day affect this year's?
No. Our failures/successes of the past do not affect the failures/successes of the future.
300
In which quadrant would the origin belong in? Why?
The origin does not belong in any of the four quadrants because it is on the axes. Any point on one of the axes also do not belong in any quadrant.
300
THIS QUESTION IS WORTH DOUBLE Jack has 25 pounds of chocolate. He consumes all of it within the span of 25 hours. He brushes his teeth three hours later. What was his rate of consumption, and what does he have now?
The rate of consumption was one pound an hour. Jack now has a high chance of cavities. It is recommended that you brush your teeth within thirty minutes after consuming sweets.
300
Student A can learn new words by looking at the context and figuring out the definition. Because of this, Student A's vocabulary doubles every ten years. Student A is now 10 years old and knows 2000 words. How many words will he know by the time he turns 80, given the fact that he does not get Alzheimer's or dementia?
256,000 words
400
Merel says that the graph of the equations 2y = 2x and y = x are in fact the same equation. Is she correct? Why or why not?
Merel is correct because when simplified, 2y= 2x becomes y = x.
400
The real length of a day is 23 hours, 56 minutes, and 4 seconds, but we say that it is 24 hours. By how much would a clock be behind after a week?
27 minutes and 32 seconds
400
Find the hypotenuse of a triangle with side lengths of 2 and 4 and angle measures of 72 degrees and 35 degrees.
The triangle is not a right triangle, and therefore the Pythagorean Theorem cannot be applied.
500
JOKE QUESTION The Future of Humanity Institute said in 2008 that there would be a 19% chance that humanity would wipe itself out by 2100 (quite sad). What do you think the probability is today?
100%
500
The Pacific Plate is currently moving up at a rate of a dozen millimeters per year. How long will it take for it to travel one kilometer?
83333 and one-third years
500
Six teams will be participating in Jeopardy during the Math Field Day. If there are five players on each team, what is the probability that you would be selected if the selection was random?
3.33...%
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