Answer:
The probe's final position is -143m
Step-by-step explanation:
Note that the words 'lowered' and 'below' mean subtract; while the word 'raised' means add. Thus, interpreting the statement to mathematical expression is done below.


Therefore, the probe's final position is -143m. Hence, the sensor is 143m below the sea level.
Answer:
v = 729 in³
Step-by-step explanation:
v = 9 * 9 * 9
v = 729 in³
Answer:
1.5 tons
Step-by-step explanation:
First determine how much feed is eaten per day
5 * 20 lbs = 100 lbs per day
Then multiply by the number of days
30 * 100 = 3000 lbs
But the question asks tons, not lbs
We know there are 2000 lbs in a ton
3000lbs/ 2000lbs per ton = 1.5 tons
Answer:
20 and 10
Step-by-step explanation:
Hello :
2x² = 2
x²=1
x²-1=0
(x-1)(x+1) = 0
x-1=0 or x+1=0
x=1 or x= -1...(answer : <span>B. There are two solutions: -1 and 1 )</span>