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#5 Help.

 Feb 12, 2018
 #1
avatar+557 
+3

question 5:

 

fourth root of 16=2

2 cubed= 8

 

winkwinkwink

 Feb 12, 2018
 #2
avatar+2448 
+1

#5 would be 8

16=2^4

(2^4)^3/4=2^4*3/4=2^3

2^3=8

 Feb 12, 2018
 #3
avatar+557 
+2

question 6:

 

x^2=2x+3

x^2-2x-3=0

(x+1)(x-3)=0

x=-1 and x=3

 

 

winkwinkwink

 Feb 12, 2018

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