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inna [77]
3 years ago
12

Two angles are vertical angles. One angle is 2x the other angle is labeled (x+30). Find the value of x

Mathematics
1 answer:
Stells [14]3 years ago
5 0
Vertical angles have the same measure 
So, 2x will be equal to x+30
2x = x+30
x = 30
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3 years ago
Ebi, Jose, Derell, and Asami measured their heights. Ebi's height was 2.5 cm greater than Jose's height. Jose's height was 3.1 c
irga5000 [103]
Start with assigning each person with a variable to represent their height

Ebi: e
Jose: j
Derell: d
Asami: a

Ebi'd height was 2.5 cm greater than Jose's height

j + 2.5 = e

Jose's height was 3.1 cm greater than Derell's

d + 3.1 = j

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e = 162.5

So, plug in 162.5 into any of the above equations were there is a variable of e

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j = 160 cm

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Subtract 3.1 from both sides of the equation 

d = 156.9 cm

Derell's height 156.9 cm

so, plug in 156.9 into any of the above equations where there is a d

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3 years ago
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Answer:

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