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GrogVix [38]
3 years ago
13

Someone help me solve this please

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0

Answer:

the answer is :

y=7

because

12y+12 =15y -9

12=3y -9

21=3y

y=7

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s2008m [1.1K]

Answer:

Mel was descending at 5 feet per second and Victor was descending at 3.33 feet per second, thus Mel was descending faster.

Since after 2 seconds, Mel was 50 feet in the air, and after 5 seconds, she was 35 feet in the air, while after 1 second, Victor was 60 feet in the air, and after 4 seconds, he was 50 feet in the air, to determine who was descending at a faster average rate and what is Mel's rate of change, the following calculations must be performed:

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