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Maya shaved her head and then began letting her hair grow. She represents the length ℓ of her hair, in centimeters, m months after she shaved her head using the equation ℓ=1.25 m. What does 1.25 mean in this situation? Choose 1 answer: (A) It has been 1.25 months since Maya shaved her head. (B) Maya's hair grows 1.25 centimeters per month. (C) Maya's hair takes 1.25 months to grow a centimeter longer.

Maya shaved her head and then began letting her hair grow. She represents the length ℓ \ell of her hair, in centimeters, m m months after she shaved her head using the equation ℓ=1.25 m \ell=1.25 \mathrm{~m} .\newlineWhat does 11.2525 mean in this situation?\newlineChoose 11 answer:\newlineA) It has been 11.2525 months since Maya shaved her head.\newline(B) Maya's hair grows 11.2525 centimeters per month.\newline(C) Maya's hair takes 11.2525 months to grow a centimeter longer.

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Full solution

Q. Maya shaved her head and then began letting her hair grow. She represents the length ℓ \ell of her hair, in centimeters, m m months after she shaved her head using the equation ℓ=1.25 m \ell=1.25 \mathrm{~m} .\newlineWhat does 11.2525 mean in this situation?\newlineChoose 11 answer:\newlineA) It has been 11.2525 months since Maya shaved her head.\newline(B) Maya's hair grows 11.2525 centimeters per month.\newline(C) Maya's hair takes 11.2525 months to grow a centimeter longer.
  1. Equation Explanation: The equation given is ℓ=1.25 m\ell=1.25\,\text{m}, which shows the relationship between the length of Maya's hair (ℓ\ell) and the time in months (m\text{m}) since she shaved her head.
  2. Unit Analysis: To understand what 1.251.25 means, we need to look at the units. Since ℓ\ell is in centimeters and mm is in months, 1.251.25 is the rate at which Maya's hair grows in centimeters per month.
  3. Interpretation of Growth Rate: So, 1.251.25 is not the time since Maya shaved her head, and it's not the time it takes for her hair to grow a centimeter. It's the growth rate of her hair per month.

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