Answered

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Hello I need help. I already answered the first question. (I hope it is correct)

Hello I Need Help I Already Answered The First Question I Hope It Is Correct class=

Sagot :

Given:

The equations are,

Michael equation: d = 10t

Your equation: d = 7t + 100

Explanation:

(a)

Individual won 200 metr race. So d = 200.

Substitute 200 for d in your equation and solve for t.

[tex]\begin{gathered} 200=7t+100 \\ 7t=200-100 \\ t=\frac{100}{7} \\ =14.285 \\ \approx14.29 \end{gathered}[/tex]

So winning time is 14.29 seconds.

c.

Michael ran past an individual when both are at same distance. For same distance equation becomes,

[tex]10t=7t+100[/tex]

Solve equation for t.

[tex]\begin{gathered} 10t=7t+100 \\ 10t-7t=100 \\ 3t=100 \\ t=\frac{100}{3} \end{gathered}[/tex]

So after 100/3 seconds Michael caught with individual and won the race.

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