Answer:

Step-by-step explanation:

After removing one black marble:

Answer:
45.8 degrees
Step-by-step explanation:
We know that the temp before take off is 57.9
We also know the temp decreases every 1,000 feet so
if we are 11,000 feet in the air and divide that 11000/1000=11
We know that the temp drops 11 times
11x1.1=12.1
57.9-12.1=45.8 degrees
Answer:
This is because the number '20' is not a perfect square.
Step-by-step explanation:
If you find
, you will be getting 4.4721935955... which is not a whole number, thus 20 is not a perfect square.
Answer:
3 answer
Step-by-step explanation:
hope it helps!!!