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18. Convert 86 degrees Fahrenheit to degrees Celsius.

A. [tex]$48^{\circ} C$[/tex]
B. [tex]$60^{\circ} C$[/tex]
C. [tex]$30^{\circ} C$[/tex]
D. [tex]$192^{\circ} C$[/tex]

Sagot :

GinnyAnswer
To convert from Fahrenheit to Celsius, we use the following formula:

[tex]\[ \text{Celsius} = (\text{Fahrenheit} - 32) \times \frac{5}{9} \][/tex]

Here, we are given the temperature in Fahrenheit as 86 degrees. Let's break down the conversion step by step.

1. Subtract 32 from the Fahrenheit temperature:
[tex]\[ 86 - 32 = 54 \][/tex]

2. Multiply the result by [tex]\(\frac{5}{9}\)[/tex]:
[tex]\[ 54 \times \frac{5}{9} = 54 \times 0.5556 \approx 30.0 \][/tex]

Therefore, 86 degrees Fahrenheit is approximately 30 degrees Celsius.

Looking at the multiple-choice options:
A. [tex]$48^{\circ} C$[/tex]
B. [tex]$60^{\circ} C$[/tex]
C. [tex]$30^{\circ} C$[/tex]
D. [tex]$192^{\circ} C$[/tex]

The correct answer is [tex]\(30^{\circ} C\)[/tex], which corresponds to option C.

So, the answer is:

C. [tex]$30^{\circ} C$[/tex]
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