Hannah is showing her work in simplifying (6.1 − 4.5) − 2.5 + 3.9. Identify any error in her work or reasoning. Step 1: (6.1 − 4.5) − 2.5 + 3.9
Step 2: 6.1 + (− 4.5 − 2.5) + 3.9 (associative property)
Step 3: 6.1 − 7 + 3.9
Step 4: 6.1 + 3.9 − 7 (distributive property)
Step 5: 10 − 7 = 3 (5 points)
please help

pretty sure she did something wrong in the 1st step, it specifically said to do 6.1-4.5, but she changed the parathenesis, resulting in a different answer

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Step-by-step explanation:

Let x represent our required angle.

We have been given that the degree measure of an angle whose tangent is 3.73.

We can represent this information in an equation as:

Using arctan we will get,

Upon rounding our answer to nearest whole number we will get,

Therefore, the measure of the angle is 75 degrees.