Respuesta :

esha1219


The first thing you have to do is substitute F in the equation for -30. Now you have to isolate the variable, C, by first subtracting 32 on both sides. You will end up with -62 = 1.8C. Now you do -62/1.8 to determine the value of C. You will end up with -34.4. A is your answer!
gmany

Answer:

[tex]\large\boxed{a.\ -34.4^oC}[/tex]

Step-by-step explanation:

STEP 1:

Solve for C:

[tex]1.8C+32=F[/tex]           subtract 32 from both sides

[tex]1.8C=F-32[/tex]           divide both sides by 1.8

[tex]C=\dfrac{F-32}{1.8}[/tex]

STEP 2:

Put F = -30 to the equation:

[tex]C=\dfrac{-30-32}{1.8}=\dfrac{-62}{1.8}=-34.444...\approx-34.4[/tex]

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