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Math Prop 1&2

Math Prop1&2

QuestionAnswer
simple interest formula I=prt I=interest in dollars P=principal in dollars R=annual interest rate written as a decimal T=time in years
addition property of equality for every real nnumber a,b,and c,if a=b,then a+c=b+c
inverse property of multiplication for every nonzero number a,there is a multiplicative inverse such that ax1/a=1
percent equation a=p%xb,where b does not=0
identity property of addition for every real number a,a=0=a
percent of change p%=amount of increase or decrease/original amount amount of increase= new amount- original amount amount of decrease= original amount- new amount
associative property of addition for every real number a,b,and c,(a+b)+c=a+(b+c)
order of operations 1) perform an operation(s) inside grouping symbols. 2) simplify powers. 3) multiply and divide from left to right. 4) add and subtract from left to right.
identity property of multiplication for every real number a,ax1=a
commutative property of multiplication for every real number a and b,axb=bxa
multiplication property of -1 for every real number a,-1xa=-a
commutative property of addition for every real number a and b,a+b=b=a.
inverse property of addition for every real number a,there is an additive inverse -a such that a+(-a)=0
percent proportion a/b=p/100, where b is not=0
subtraction property of equality for every real number a,b,and c,if a=b, then a-c=b-c
associative property of multiplication for every real number a,b,and c,(axb)xc=ax(bxc)
zero property of multiplication for every real number a,ax0=0
relative error measured or estimated value- actual value/actual value
distributive property for every real number a,b,and c: a(+c)=ab+ac (b+c)a=ba+ca a(b-c)=ab-ac (b-c)a=ba-ca
division property of equality for every real number a,b,and c,where c is not=0, if a=b, then a/c=b/c
cross products of a proportion if a/b=c/d,then ad=bc
multiplication property of equality for every real number a,b,and c,if a=b,then axc=bxc
Created by: 24539207