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HACTEHA [7]
3 years ago
13

Steven swam 200 meters in 25.7 seconds while Michelle finished in 28 seconds. How much faster did Steven swim than Michelle?

Mathematics
1 answer:
olga55 [171]3 years ago
4 0

Answer:

Steven is faster than Michelle by covering 0.64 meters more per second than that of Michelle.

Step-by-step explanation:

Given:

Steven swam 200 m in 25.7 seconds while Michelle finished in 28 seconds.

So, speed of Steven is, S_{Steven}=\frac{Distance}{time}=\frac{200}{25.7}=7.78\ m/s

Speed of Michelle is, S_{Michelle}=\frac{Distance}{time}=\frac{200}{28}=7.14\ m/s

Now, to find how much faster did  Steven swim than Michelle, we need to get the difference between their speeds.

Speed of Steven - Speed of Michelle

7.78-7.14

=0.64\ m/s

So, Steven is faster than Michelle by covering 0.64 meters more per second than that of Michelle.

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Answer:

Students on Honor Roll had no advantage to get the Science class requested. It was a fair class assignment. In fact No Honor Roll students had advantage over honor Roll Students in obtaining Science Class as requested.  

Step-by-step explanation:

Here let us streamline the information we are given one by one

1.) Honor Roll

Get Requested Science Class                : 64

Did Not get  Requested Science Class : 80

Total                                                         : 144

Percentage of Honor Roll Students getting Science class as requested =

\frac{64}{144}

= 44.44%

2.) No Honor Roll

Get Requested Science Class               : 315

Did Not get Requested Science Class :  41

Total                                                         : 356

Percentage of Non Honor Roll Students getting Science class as requested = \frac{315}{356}

= 88.8%

By observing the above result , we can assume that Honor Roll students did not have any advantage over non Honor Roll students in getting Science Class as they requested.

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3 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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