Formulas

Question 1

Bonds, APR, Simple Interest

Answer 1

A=P(1+(r)(t))

Question 2

Interest

Answer 2

I=Prt

Question 3

Compound Interest, Inflation in Salaries, things that grow over time

Answer 3

A=P(1+r/n)^nt

r=rate
n=compoundings per year
t=time in years

Question 4

Monthly Car Payments

Answer 4

M=P(p)(1+p)^T/[(1+p)^T-1]

M=Monthly Payments
P=Initial
p=r/t, here were t=compounding rate, usually 12
T=time in the problem

Question 5

Chaos Game

Answer 5

Old X+New X/2

Old Y+New Y/2

Question 6

Fractal Dimensions

Answer 6

ln n/ln s

n=self-similar copies
s=scaling factor, how much they are dividing by

Question 7

Menger Sponge

Answer 7

2.727

Question 8

Sierpinski carpet

Answer 8

1.893

Question 9

Fractal pyramid

Answer 9

2.322

Question 10

Binet’s Formula

Answer 10

The answer if F of N, where N in the power being raised

Question 11

Golden rectangle and Phi

Answer 11

Golden rectangle is L/S

Phi= 1.61

So, substitute Phi for missing shorter side

Question 12

Similar Triangles

Answer 12

Longside of Triangle 1/Shortside of Triangle 1 = Longside of Triangle 2/Shortside of Triangle 2

Question 12

Continuous conpounding

Answer 12

A=Pe^rt

Question 13

APY FORMULA

Answer 13

t=ln 2/ln (1+r)

Question 14

Other APY

Answer 14

A=P(1+r)^t

Question 15

Koch snowflake and area

Answer 15

Area is always squared
T is total, that is multiplied
Q is added

Question 16

Kock anti snowflake

Answer 16

Q=subtraction

Question 17

Triangle

Answer 17

Q=subtract

Question 18

Standardized percentages

Answer 18

1 deviation=68%
2=95%
3=99.7%

Question 19

Third quartile

Answer 19

Mu + (.675)sigma

Question 20

First quartile

Answer 20

Mu - (.675)sigma

Question 21

Convert decimal to fraction

Answer 21

• put decimal number over ten raised to the of times you must move decimal to get whole number

Ex. .4 = 4/10, raised to the first power because you moved it once.

Question 22

Odds

Answer 22

If fraction: a/b

“A to b-a”

Question 23

Jeffersonian method

Answer 23

Go lower than st. Div. and round down

Or go higher and round appropriately. Idk

Question 24

Hamilton

Answer 24

Award more seats to whoever has more residue

Question 25

Webster

Answer 25

Round as needed.

Question 26

Redundancy

Answer 26

Edge - (vertices - 1)

Question 27

Largest degree of separation

Answer 27

Normally the # of edges coming out of start. Usually two.

Question 28

Outliner

Answer 28

Read the damn problem. IQR=q1-q2

Question 29

68-95-99.7 rule and estimates

Answer 29

1. Deviation = (x-mu)/sigma 2. Take standard deviation and find percent 3. Divide by two for symmetry. 4. Subtract from 100 5. Change into decimal, multiply by # of patients.

Question 30

Estimations between two give numbers

Answer 30

1. Find standard deviation 2. Find value, subtract from 100 3. Divide by two 4. Multiply by # of patients. 5. Do the same from the otherside (which you should have done already ) that is # of patient