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jazzy9927
15.02.2022 •
Mathematics
Hey, I would appreciate it if you can help me with these problems, been stuck on it for a few days
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Ответ:
Explained below.
Step-by-step explanation:
The formula for average rate of change is:
1.
=
=
=
= 70
2.
=
=
=
= 35
3.
=
=
=
= 60
4.
=
=
=
= 20
5. Their average speed was the greatest during the first to second hour.
6. Their average speed was the least during the eight to tenth hours.
7.
=
=
=
= 38.89 or 38.9
Hope that helps!
Ответ:
it's answer choice D. because you would divide both sides by 2 in the second equation. if you do that, you get the first equation.