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aliina [53]
2 years ago
9

the inequality |t-57|<7 describes the range of monthly average temperature, T, in Degrees Fahrenheit, for san Francisco, Cali

fornia. solve the inequality and interperet the solution

Mathematics
1 answer:
Y_Kistochka [10]2 years ago
7 0

<u>Solution</u> is:  50\leq T\leq 64 and it means, the minimum temperature is 50° Fahrenheit and the maximum temperature is 64° Fahrenheit.

<u><em>Explanation</em></u>

Given inequality is:   |T-57|\leq 7

As this is absolute inequality, so we will get two different inequalities-- one for positive and another for negative. So.....

T-57\leq 7\\ \\ T\leq 7+57\\ \\ T\leq 64

and

-(T-57)\leq 7\\ \\ -T+57\leq 7\\ \\ -T\leq 7-57\\ \\ -T\leq -50\\ \\ T\geq 50

So, the final combined solution will be:  50\leq T\leq 64

<em>It means that the minimum temperature for San Francisco, California is 50° Fahrenheit and the maximum temperature is 64° Fahrenheit.</em>


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