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A) 1 B) 6 C) 9 D) 18
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4 votes
A) 1

B) 6

C) 9

D) 18

A) 1 B) 6 C) 9 D) 18-example-1
User Rob Moore
by
8.2k points

2 Answers

5 votes
2 KZ = WZ
2(y + 1) = 3y
2y + 2 = 3y
y = 2
so
KZ = 2 + 1 = 3
WZ = 3(2) = 6

WK = WZ + ZK
WK = 6 + 3
WK = 9

answer
C) 9
User Josemigallas
by
8.8k points
6 votes
WZ = 2*ZK
3y = 2*(y +1) . . . . substitute given values
y = 2 . . . . . . . . . . subtract 2y

WK = WZ +ZK
WK = 3y +(y+1) = 3*2 +(2+1)
WK = 9 . . . . . . . . . matches selection C
User ATT
by
8.3k points
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