Answer:
1104seconds and5 milliseconds
(8209-6000)/2
=3209/2
=1104.5
The scientists will reach the ocean floor after 1104.5 seconds.
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Answer:
146
Step-by-step explanation:
180=4+30+x
180=34+x
180-34=x
146=x
Answer:
a
Step-by-step explanation:
Answer:
steps below
Step-by-step explanation:
3 + 6b + 3b² = 3 (b² + 2b + 1) = 3 (b + 1)²
root: -1 if 3 + 6b + 3b² = 0 b = -1
Answer: #2
Step-by-step explanation: