Graph y< 1/3 c + 1/2
1 answer:
<h3>The Graph you need above </h3><h3>Step-by-step explaination : </h3><h3>Combine 1/3and x.</h3>
y<x/3+1/2
<h3>Use the slope-intercept form to find the slope and y-intercept.</h3><h3 />Slope: 1/3
y-intercept: 1/2
<h3>Graph a dashed line, then shade the area below the boundary line since y is less</h3><h3>than x/3+1/2.</h3><h3>y<x/3+1/2</h3>
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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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⇒
⇒
⇒ , 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 .