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Mathematics
, 06.11.2019 20:31
jaaiphieaslade
Solve the proportion
2/z-5=z/0.5zpower2+7
a.1/5
b.6
c.-7/5
d.-14/5
Answers: 1
Show answers
Answers
Answer from:
adriana238
2 / (z-5) = z / (0.5z^2 + 7)
cross multiply
z(z - 5) = 2(0.5z^2 + 7) =
z^2 - 5z = z^2 + 14 =
z^2 - z^2 - 5z = 14
-5z = 14
z = -14/5
Answer from: Quest
Ineed show the photo because i need more information
Answer from: Quest
probably .5
i can on others if necessary.
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You know the right answer?
Solve the proportion
2/z-5=z/0.5zpower2+7
a.1/5
b.6
c.-7/5
d.-14/5
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