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dolphi86 [110]
2 years ago
5

Four runners start at the same point; Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes t

heir journey.
Lin runs for 25 seconds at 8.2 meters per second. What is her finish point?

Elena runs for 28 seconds and finishes at 250 meters. What is her velocity?

Diego runs for 32 seconds at -8.1 meters per second. What is his finish point?

Andre runs for 35 seconds and finishes at -285 meters. What is his velocity?
Mathematics
1 answer:
Helen [10]2 years ago
6 0

Answers:

Lin's finish point is at 205 meters

Elena's velocity is 8.92 meters per second

Diego's finish point is at -259.2 meters or 259 meters behind the start

Andre's velocity is -8.14 meters per second

I hope this helps <3

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We can set this problem up as an algebraic equation, which we can then solve to find our answer.


We start at -3. So we can start our equation with that:

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However, this doesn't represent any change in temperature, just that we start at -3. To show change, we will use the variable x, where x stands for the number of hours. Each hour accounts for a change of -2.5 in degrees, meaning that we must multiply our x by -2.5. We can now add this term into our equation:

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We are trying to find when we will reach -18 degrees, so we will set our entire equation equal to -18 and solve:

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