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The following equation can be used to approximate the temperature in degrees Celsius from degrees Fahrenheit:

[tex]C = \frac{F - 30}{2}[/tex]

a. Determine the approximate temperature in degrees Celsius when the temperature is [tex]28^{\circ} F[/tex].

b. Determine the approximate temperature in degrees Celsius when the temperature is [tex]-8^{\circ} F[/tex].

c. Determine the approximate temperature in degrees Celsius when the temperature is [tex]-20^{\circ} F[/tex].

Answer :

To determine the approximate temperature in degrees Celsius using the provided equation, we'll apply the formula:
[tex]\[ C = \frac{F - 30}{2} \][/tex]
where [tex]\( F \)[/tex] is the temperature in degrees Fahrenheit.

Let's solve each part step-by-step:

a. When the temperature is [tex]\( 28^{\circ} F \)[/tex]:
1. Substitute [tex]\( 28 \)[/tex] for [tex]\( F \)[/tex] in the equation:
[tex]\[ C = \frac{28 - 30}{2} \][/tex]
2. Calculate inside the parenthesis:
[tex]\[ 28 - 30 = -2 \][/tex]
3. Divide the result by 2:
[tex]\[ C = \frac{-2}{2} = -1 \][/tex]
Therefore, the approximate temperature is [tex]\( -1^{\circ} C \)[/tex].

b. When the temperature is [tex]\( -8^{\circ} F \)[/tex]:
1. Substitute [tex]\( -8 \)[/tex] for [tex]\( F \)[/tex]:
[tex]\[ C = \frac{-8 - 30}{2} \][/tex]
2. Calculate inside the parenthesis:
[tex]\[ -8 - 30 = -38 \][/tex]
3. Divide the result by 2:
[tex]\[ C = \frac{-38}{2} = -19 \][/tex]
Therefore, the approximate temperature is [tex]\( -19^{\circ} C \)[/tex].

c. When the temperature is [tex]\( -20^{\circ} F \)[/tex]:
1. Substitute [tex]\( -20 \)[/tex] for [tex]\( F \)[/tex]:
[tex]\[ C = \frac{-20 - 30}{2} \][/tex]
2. Calculate inside the parenthesis:
[tex]\[ -20 - 30 = -50 \][/tex]
3. Divide the result by 2:
[tex]\[ C = \frac{-50}{2} = -25 \][/tex]
Therefore, the approximate temperature is [tex]\( -25^{\circ} C \)[/tex].

These calculations give you the approximate temperatures in degrees Celsius for each of the given Fahrenheit temperatures.

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