Answer:
foil it out...
4x^2 + 12x - 20x - 60

or 4(
)
Step-by-step explanation:
Answer:
The current temperature = 34.2°C
Step-by-step explanation:
Initial temperature = 46.8°C
After 20 minutes temperature reduced by 12.6°C
Therefore, the current temperature is = 46.8°C - 12.6°C = 34.2°C
0.475 liters per minute. You need to set up a proportion.
3.705L X
----------- --------
7.8 Min 1Min
Then you cross multiply(3.705*1) and divide(3.705/7.8) and you get your X.
Answer:
Step-by-step explanation:
Answer: Length: 16, Width = 13. Enjoy math while its not too complicated