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29-06-2020
Mathematics

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WILL GIVE BRAINLIEST, please help! Calculate JK if LJ = 39, JM = 80, and LM = 89 (Hint: Use proportions)

WILL GIVE BRAINLIEST please help Calculate JK if LJ 39 JM 80 and LM 89 Hint Use proportions class=

Respuesta :

mhanifa mhanifa

06-07-2020

Answer:

≈ 18.46

Step-by-step explanation:

LJ = 39, JM = 80, and LM = 89

JK= x ⇒ KL= 39-x

JM/LM= x/(39-x)

80/89=x/(39-x)
89x= 80*(39-x)
89x+80x= 80*39
169x= 3120
x= 3120/169
x≈ 18.46

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