Find the distance (2,-2) and (-8,-2)
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The average time of the 20 athletes who did not qualify for the final is 11.2 seconds .
<u>Step-by-step explanation:</u>
Here we have , Twenty-eight athletes participate in a 100-meter race. The time of each athlete is measured during the qualification round. The average time is 11 seconds. The 8 athletes with the fastest time qualified for the final. The average time of these 8 athletes is 10.5 seconds. Let's have equations for this:
where
are athletes
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⇒
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⇒ , where m is average time of the 20 athletes who did not qualify for the final.
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∴ The average time of the 20 athletes who did not qualify for the final is 11.2 seconds .