3 years ago

Convert 5.764764764... to a rational expression in the form of a/b where b=0

1 answer:

4 0

Say x=5.764---
Then 1000x=5764.764---
Then 1000x-x = 5759
So 999x = 5759
So x=5759/999

I don't see how b can be 0 in this case... what does that mean? You would never divide by 0 and live to tell about it, right?

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3 years ago

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Nataly_w [17]

Answer:

The average speed of the trip there is <u>86 mph.</u>

Step-by-step explanation:

Given:

Time taken to reach Portland = 3 hours

Time taken to come beck from Portland = 6 hours

Average speed for the returning trip = 43 mph

Distance traveled for the returning trip can be obtained by multiplying the returning speed by returning time. Therefore, distance for returning trip is:

$D=speed\times time=43\times 6=258\ miles$