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Math EQUATIONS
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Arithimatic Sequence
An=a+(n-1)d
Arithmatic Sum
Sn=n/2(2a+(n-1)d)
Geo Sequence
An=ar^n-1
Geo Sum
Sn=a((1-r^n)/(1-r))
Infinite Geo Sum
S=a/1-r
Y=2^x
Top in right Quadrent
Y=1/2^x
Top in left quadrent
Compound Interest
A(t)=P(1+(rate/#of Times)^nt
Continuously
A=Pe^rt
Log2 X
Down to up
-log2 x
Up to down
Exponential Growth
n(t)=Intiitial Size e^rt
Rate in radioactive decay
ln2/h
Newton Law of Cooling
T(t)=Surrounding temp+Difference in temp*e^-kt
Points on Unit circle
X^2+y^2=1
Length of arc
length=radiun*angle
Area of Sector
A=1/2r^2 angle
Law of Sines
sin A/a=Sinb/b=Sinc/c
Law of Cosines
a^2=b^2+c^2-2bc Cos a
Ryan Buicko
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