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professor190 [17]
3 years ago
6

Write a two-columm proof

Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

Both angles 2x+6 and 96 shown are vertically opposite angles and vertically opposite angles are always equal

so 2x+6 should be equal to 96

so 2x + 6 = 96

Now we have to solve for x here and have to get x by itself on left hand side

So first get rid of +6 by doing its opposite -6 on both sides

2x + 6 -6 = 96 -6

2x = 90

Now to get x by itself we have to get rid of 2, for that divide both sides by 2

\frac{2x}{2} = \frac{90}{2}

x = 45

Hence proved that x = 45

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Hey there 

1 km = 1000 meters 
So 5 km will equal 5000 meters 
.1 will equal  100 meters 

5.1 km = 5100 meters 

<span>100,000 centimeters = 1 kilometer 
</span>5.1 km = 510000 centimeters 

Hope this helps  


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