Mathematics
Grade10
Easy

Question

The temperature in degrees Celsius is 32 less than the Fahrenheit temperature, multiplied by five ninths. The temperature in degree Kelvin is the number of degrees Celsius plus 273.

Identify the conversion formula for finding the number of degrees Kelvin, given the temperature in Fahren he it.

  1. K = 9 over 5 (F - 32) + 273 
  2. K = 5 over 9 (F - 32)
  3. K = 5 over 9 (F + 32) - 273
  4. K = 5 over 9 (F - 32) + 273

hintHint:

Given: C = 5 over 9 (F - 32) 
And K = C + 273
Combine those two equations together

The correct answer is: K = 5 over 9 (F - 32) + 273


    Let the temperature in degree Celsius be C, the temperature in Fahrenheit be F and the temperature in Kelvin be K.
    Given: C = 5 over 9 (F - 32) ----------------------Eq 1
    And K = C + 273 ----------------------------Eq 2
    From eq 1 and eq 2 we get,
    K = 5 over 9 (F - 32) + 273

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