The expression - 380 + 15y represents a submarine that began at a depth of 380 feet below sea
1 answer:
Answer: The submarine was 245 feet below sea level after 9 minutes.
Step-by-step explanation: Since y represents minutes, replace it with 9...
-380 + 15(9)
-380 + 135
-245
Since it’s negative, the submarine is still below sea level.
You might be interested in
Answer:
x₁ = 0
x₂ = 6
Step-by-step explanation:
9x² - 54x = 0
9x(x - 6) = 0
x(x - 6) = 0
x = 0
x - 6 = 0 → x = 6
Hope this helps! :)
Answer:
d
Step-by-step explanation:
Answer: 3x-5y=-9 is simplified to y=3/5x+9/5
x+2y=8 is simplified to y=-1/2x+4
Answer:
5500
Step-by-step explanation:
5000 + (10 / 100) x 5000 = 5000 + (1/10) x 5000 = 5000 +500= 5500 people visted the book fair in the second week
Answer:
it is really true
Step-by-step explanation:
good question
