Suppose there is a 1.1 f drop in temperature for every thousand feet then an airplane climbs into the sky. if the temperature on the ground is 59.7 f, what will be the temperature at an altitude of 11,000 feet?

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step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,