Answer:
(3.2,12)
Step-by-step explanation:
Since we have given that
Total cost of the gas put in his car = $12
Cost of gas per gallon = $3.75
Let the total cost of the gas be 'y'.
Let the number of gallons of gas be 'x'.
According to question, number of gallons of gas is given by
So, the number of gallons is 3.2 approximately.
Hence, the required coordinate pair is given by
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I hope this is correct ...
Answer:
Step-by-step explanation:
Newton's cooling model is:
Where
t is the time in hours
is the ambient temperature
is the initial temperature of the body
We know that:
Then after 7 hours the temperature of the liquid will be:
Answer:
Step-by-step explanation:
With what?
Answer:
D or 13 is the answer to this problem.
The correct answer is: x < 1.25
To solve this, we following the same steps as when solving inequalities. We just have to remember to reverse the sign if we multiply or divide by a negative number.
-1.2x - 8.2 > -9.7
-1.2x > -1.5
x < 1.25
