ThatOneGuyJames ThatOneGuyJames
  • 27-10-2016
  • Mathematics
contestada

Determine the value of x for which a || b if m∠1=60-2x and m∠5=70-4x

Determine the value of x for which a b if m1602x and m5704x class=

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Lohrom
Lohrom Lohrom
  • 27-10-2016
well first off, you already know that angle 1 and 5 are going to be the same measurment. so now you have to figure out what you could use as x that would make those equations equal. so lets use the first one
60-2x 
first, lets add 2x to both sides 
60=2x
now get x alone by dividing by 2
so 
30=x

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ohhsnappitsarip7ht5g ohhsnappitsarip7ht5g
  • 04-02-2019

Answer: the answer is 5


Step-by-step explanation: 60-2x= 70-4x

-2x=70-60-4x

-2x=10-4x

-2x+4x=10

2x=10

x=10/2

x= 5


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