MATHS FORMULAS

Rylee Cruz
Flashcards by Rylee Cruz, updated more than 1 year ago
Rylee Cruz
Created by Rylee Cruz over 4 years ago
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Flashcards on MATHS FORMULAS, created by Rylee Cruz on 06/03/2016.

Resource summary

Question Answer
simple interest formula PRN = principal x rate x number (years)
compound interest P(1+r/n)^nt = principal ( 1 +rate/times compounded per year)^ times compounded per year x how many years.
depreciation formula p(1-r/n)^nt = principal (1- rate/ times depreciated per year)^times depreciated per year x how many years
how to find net income gross income - allowable deductions
how to find the slope of a line y=mx +b
if a line is parallel to another line it has the same... x axis
how do you tell if a line is perpendicular? minus the reciprocal of the x axis
how do you find the equation of a line? rise /run x x , y intercept
distance formula √(x2-x1)^2 + (y2-y1)^2
gradient formula y2-y1/x2-x1
midpoint formula x1+x2/2 , y1+y2/2
what is general form when the sum equals 0 instead of y
circumference of a circle π x d
area of a square b x h
area of a rectangle l x b
what's the Pythagorean theorem ? a2 + b2 = c2
rhombus b x h
parallelogram b x h
trapezoid (b+b) x h / 2
circle π x r^2
cyclinder surface area 2πrh + 2πr^2
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