There are 12 inches in one foot. This means that 43/12 = 3 remainder 7. In other words, 43 in = 3ft 7in or 
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Using the unit circle, it is found that the approximate decimal value of tan(α) is given by -3.274.
<h3>What is the unit circle?</h3>For an angle the unit circle is a circle with radius 1 containing the following set of points:
.
In this problem, we have point (-0.292, 0.956), hence .
Applying the definition of the tangent, we have that:
.
Hence the second option is correct.
More can be learned about the unit circle at brainly.com/question/16852127
Answer:
Arla - $15, Kal - $17.5
Step-by-step explanation:
Let $x be Arla's hourly wage and $y be Kal's hourly wage.
1. In the first week on the job they each worked 40 hours and earned $(40x+40y) together. Their total earnings were $1300, so
40x+40y=1300.
2. In the second week on the job business was slow so Arla worked 20 hours and earned $20x, Kal worked 16 hours and earned $16y, $(20x+16y) in total. Their total pool earning was $580, so
20x+16y=580.
3. Solve the system of two equations:
Subtract them:
Then