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NNADVOKAT [17]
2 years ago
9

Plz help me I’m begging u ( it’s for a test and I wanna do good )

Mathematics
2 answers:
navik [9.2K]2 years ago
8 0

Answer:

14.2

Step-by-step explanation:

I'm not sure if you have to show ur work but if you do sorry, also pls dont go by my answer if this is a test, i may be wrong.

I am estimatng, if the top is 11 than it cant be much more than 11 so im going with the next one up. so 14.2.

hope this helps :)

forsale [732]2 years ago
8 0

Answer:

gl

Step-by-step explanation:

wish i knew

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Answer:

\frac{40r+100}{r(r+5)}

Step-by-step explanation:

Let r represent speed in the carpool.

We have been given that on the way to work Juan carpools with a fellow co-worker then takes the city bus back home in the evening. The average speed of the 20-mile trip is 5 miles per hour faster in the carpool.

We know that time is equal to distance over speed.

The total distance is 20 mile. Time taken to travel 20 miles using carpool would be \frac{20}{r}

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Total time will be equal to sum of both times that is:

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Let us simplify our expression.

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Combine numerator:

\frac{20r+20r+100}{r(r+5)}

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