Once a style is created, we set aside 15-minute appointments in the Doll Hair Salon to ensure that we teach girls how to care for their dollâs hair, brush it out, and perform the services selected. Do you have to have a cosmetology license to work here? Some expert stylists do bring their education experience to the Doll Hair Salon; however, that is not mandatory. American Girl provides all stylists with training, training, and more training! As part of a week-long training process, we watch videos, read materials, and enjoy lots of hands-on learning.
lowest terms. the form of a fraction after dividing the numerator and denominator by their greatest common divisor.
The Harmonic Mean. If three numbers are such that by whatever part of itself the largest term exceeds the middle term, and the middle term exceeds the third by the same part of the third then the middle term is the harmonic mean of the first and third.he Harmonic Mean. If three numbers are such that by whatever part of itself the largest term exceeds the middle term, and the middle term exceeds the third by the same part of the third then the middle term is the harmonic mean of the first and third.