A scientist is measuring the temperature change in a decimal compound. The temperature dropped 11 f per hour from the original temperature. After four hours the temperature was 90 f find the compounds original temperature.

From the info given we know that m =-11 and we have a condition given:

Using this condition we have:

And solving for b we got:

So then the original temperatue for this case is 134 F

Step-by-step explanation:

For this case we know that after four hours the temperature was 90 f and the temperature dropped 11 f per hour.

We can use a linear model to solve the problem given by:

Where F represent the temperature, t the time in hours and m the slope and b the intercept.

From the info given we know that m =-11 and we have a condition given:

Using this condition we have:

And solving for b we got:

So then the original temperatue for this case is 134 F

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the answer is 13/48

step-by-step explanation: