Answer:
Step-by-step explanation:
<u>Given</u>
- The mean temperature for the first 4 days = -12°C
- The mean temperature for the first 5 days = -13°C
<u>To find</u>
- The temperature on the 5th day
<u>Solution</u>
- Total of 4 days = 4*(-12) = -48°C
- Total of 5 days = 5*(-13) = -65°C
<u>The difference is the temperature on the 5th day:</u>
Answer:
To produce 400 gallons of a chemical, it costs 700 dollars.
Step-by-step explanation:
We have that:
The cost, C (in dollars) to produce g gallons of a chemical can be expressed as C=f(g).
The interpretation is:
To produce g gallons of a chemical it costs C dollars.
So
f(400)=700
This means that to produce 400 gallons of a chemical, it costs 700 dollars.
Answer:
ya you can take it both like integer and decimal
cause - the negative mark make it negative the . make it decimal
Step-by-step explanation:





T - ( - 10) = 9
t + 10 = 9
t = 9 - 10
t = -1
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Answer: t = -1
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