Question

9
The dew point in degrees Fahrenheit can be calculated with the formula DP = T (100 - RH), where DP is
the dew point, T is the dry-bulb temperature, and RH is the relative humidity. Which of these is the equation
solved for RH?
RH = 100 -
(T-DP)
RH = 100 – 2 (DP-1)
RH = 100 – (DP-1)
RH = 100 – 25 (T-DP)

Answer 1

Answer:

B

Step-by-step explanation:

I took that same test and i didthe practice test. Believe me.

Answer 2

The equation that can be used to solve for RH is 25/9(DP-T) - 100

Given the formula for the dew point in degrees, Fahrenheit expressed as

• DP = T - 9/25(100 - RH)

To solve for the value of RH, we will make RH the subject of the formula;

• DP = T - 9/25(100 - RH)

Subtract T from both sides:

• DP - T =  9/25(100 - RH)

Multiply both sides by 25

25(DP - T) = 9(100 - RH)

25(DP - T) = 900 - 9RH

25(DP - T) - 900 = 9RH

RH = 25/9(DP-T) - 100

Hence the equation that can be used to solve for RH is 25/9(DP-T) - 100

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