Geometry
What is the degrees of a right angle
90
X+Y=0
2X+Y=4
What is X?
What is Y?
Y=-4
What is 7/25 As a %?
28%
what is the area of a square with a perimeter 20?
25
4x=2x
Is there a solution to this problem, or is there no solution?
There is a solution. X=0.
If you roll two six sided dice, what is the chance the two are the same number?
1/6 or 16.666%
A Circle has an area of 25 pi. what is the sufferance?
10 pi.
4*A=B
B-C=D
2*D=C
D=0.2*E
E=10
What is A?
A = 1.5
If you have a box with 10 items numbed 1-10 inside. you reach in and pull one thing out. then you take another thing out. what is the chance you get the 10 and the 9?
1/90 or 11.11%
What is the 3D equivalent of a line?
A plane
|X| = 7
|Y|= 4
|Z|=2
What are all the possible solutions to:
X-Y*Z
*| | is absolute value
-1, 1, 15, -15
You need to get two out of three things. the chance to get the first one is 10%. the second is 50%. the third is 90%. is it more probable to get two of three or more or to get less than two of three or is both equal?
50% to get two out to the three