arzolairam0 arzolairam0

08-09-2021
Mathematics

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if z is the midpoint of rt. what are x. rz. and rt ITS NUMBER 3

if z is the midpoint of rt what are x rz and rt ITS NUMBER 3 class=

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jimrgrant1 jimrgrant1

08-09-2021

Answer:

see explanation

Step-by-step explanation:

Since Z is the midpoint of RT , then

RZ = ZT , that is

4x - 30 = 18 ( add 30 to both sides )

4x = 48 ( divide both sides by 4 )

x = 12

Then

RZ = 4x - 30 = 4(12) - 30 = 48 - 30 = 18

RT = RZ + ZT = 18 + 18 = 36

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