The record for boston marathon is 1 hour and 18

Ответ:

izaguirrelopez3

31.12.2021

Mathematics

$20.04\ \frac{mi}{h}$

Step-by-step explanation:

The first step is to convert the time to hours:

$\frac{18\ min}{60}=0.3\ h$

$\frac{27\ s}{3,600}=0.0075\ h$

Then, the record time of the Boston marathon is:

$t=1\ h+0.3\ h+0.0075\ h\\\\t=1.3075\ h$

Knowing that the Boston marathon is 26.2 miles long, the average speed of record winner is:

$average\ speed=\frac{26.2\ mi}{1.3075\ h}=20.04\ \frac{mi}{h}$

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Ответ:

hairyears3394

31.12.2021

Mathematics

0.005566 miles/sec

Step-by-step explanation:

We are given that The record for Boston marathon is 1 hour and 18 minutes and 27 seconds.

The Boston marathon is 26.2 miles long.

So, Time = 1 hour 18 minutes 27 seconds

1 hour = 3600 seconds

1 min = 60 seconds

So, 18 min = $60 \times 18 = 1080 seconds$

So, Time =( 3600+1080+27)seconds=4707 seconds

Distance = 26.2 miles

Speed = $\frac{Distance}{Time}$

Speed = $\frac{26.2}{4707}$

Speed = 0.005566 miles/sec

Hence the average speed of record winner is 0.005566 miles/sec

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Ответ:

kaziyahf2006

29.09.2020

Mathematics

you can use show the multiples of 5 and 8

Step-by-step explanation:for example show the multiples of 5 until you get to 45. Once you get there circle it. Then find the multiples of 8 and line it up until it lines up with the number 45. That’s how you do it hope this helps

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The record for boston marathon is 1 hour and 18 minutes and 27 seconds. the boston marathon is 26.2 miles long. what was the average speed of record winner

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