Answer:
Time taken by the submarine to reach the cave is 10 seconds.
Step-by-step explanation:
We are given that,
The elevation of the underwater cave = -120 feet.
The rate at which the submarine descends to the cave = -12 feet per second
Thus, we have,
The time taken by the submarine to reach the cave =
= 10 seconds.
Hence, the time taken by the submarine to reach the cave is 10 seconds.
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Answer:
x=4
Step-by-step explanation:
21x+6+90=180
First, we need to subtract the numbers.
21x=180-90-6
21x=84
Now, we need to find the value for 1x, so divide the whole equation by 21
84/21
21/21
x=4
Hope this helps!
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50=10+.2x so if you solve for x you get x=200. Hope this helps:)