2 years ago

⚠️⚠️ WILL MARK BRAINLIEST⚠️⚠️⚠️

Mathematics

2 answers:

Umnica [9.8K]2 years ago

8 0

Answer:

0,10 on the last one

Step-by-step explanation:

bazaltina [42]2 years ago

8 0

Answer:

10,000

2,000

0,10

Step-by-step explanation:

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VladimirAG [237]

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Step-by-step explanation:

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$Speed=\frac{Distance}{Time}\\\\\#Upstream\\(u-6)t=9\\\\\#Donwstream\\\\(u+6)t=45$

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