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sergejj [24]
3 years ago
9

Is 3/4 proportional to 6/15 ​

Mathematics
1 answer:
LiRa [457]3 years ago
4 0

answer:

no

step-by-step explanation:

step one- cross multiply

3*15=4*6

step two- multiply

3*15=45 4*6=24

step three- simplify

45=24

45 and 24 aren't equal, therefore 3/4 and 6/15 are not proportional

good luck :)

i hope this helps

have a nice day !!

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Answer:

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Step-by-step explanation:

Let x be the rate of the jet in still air and y be the rate of the wind.

Given:

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Velocity against wind =\frac{2160}{3} = 720 miles/hour

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Flying with the wind =\frac{6000}{6} = 1000 miles/hour

As such its velocity against wind is  x-y

and with wind is   x+y therefore

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y=1000-860

y=140

Hence velocity of jet in still air is  860miles/hour and velocity of wind is   140miles/hour.

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