L varies jointly as B and J. If L = 15, when B = 10 and J = 3, find L if B = 12 and
J = 9.
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L varies jointly as B and J. If L = 15, when B = 10 and J = 3, find L if B = 12 and
J = 9.
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Answer:
L=54
Step-by-step explanation:
15=10(3)k
15=30k
k=2
•Substitute k
L=(½)(12)9
L=6(9)
L=54
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