The 1.8 s is the time for the signal to reach the ocean floor and return to the ship so the time to reach ocean floor = 1.8 / 2 = 0.90 seconds.
depth of ocean = speed * time
= 1498 * 0.90 = 1348.2 m Answer
Answer:
2x^2
Step-by-step explanation:
2x*1x= 2x^2
Answer:
7b-c²
Step-by-step explanation:
7times b is 7b reduced by the square of c means minus c²
I took out the greatest common factor, which is y^2 and factored from there
You’ll end up with y^2(y+2)(y+8)
Here’s my work :)