Algebra
The impossible puzzle
It’s fascinating that there’s such a thing as the World Jigsaw Puzzle Championship. The winning team of the two-person thousand-piece puzzle round can assemble...
Times Table Shortcuts
In this section, you will learn the shortcuts which will be useful to do times table easily.To understand the shortcuts, you have to remember...
Digital SAT Math Problems and Solutions (Part
Problem 1 :If the vertex of a parabola is at the point (1, 24) and
the quadratic can be written as -a(x2)
+ bx + c...
Trigonometric interpolation using the FFT
Suppose you want to interpolate a set of data points with a combination of sines and cosines.
One way to approach this problem would be...
Digital SAT Math Problems and Solutions (Part
Problem 1 :-3x + 21px = 84
In the given equation, p is a constant. The equation has no solution. What is the value of...
Digital SAT Math Problems and Solutions (Part
Problem 1 :
Point O is the center of the circle above, and the measure of ∠OAB is 30°. If the length of OC is...
Digital SAT Math Problems and Solutions (Part
Problem 1 :x(a + 2) = 12(x + 1)
If the above equation has no solution, what is the value of a?Solution :
Problem 2 :
The...
Digital SAT Math Problems and Solutions (Part
Problem 1 :
In the figure above, ΔABC and ΔDBE are right triangles. If AC = 12, BC = 15 and DE = 8, what
is...
Digital SAT Math Problems and Solutions (Part
Problem 1 :
In the given figure, O is the center of the circle. What is the area of the shaded region?A) 144 - 8πB) ...
Dogecoin anthem
Someone sent me an AI-generated Dogecoin anthem: To Da Moon.
Here’s the audio.
https://www.johndcook.com/doge_to_the_moon.mp3
And here are the lyrics:
Yo, it started as a joke, now we in...