solve the formula 9/5c + 32=f for c and use the resulting formula to find the tempeture in degrees celsius when the fahrenheit tempeture is 77

asked Apr 28, 2018 118k views

2 votes

by Umme

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9/5c + 32 = f
9/5c = f - 32
c = 5/9(f - 32) <==

when f = 77
c = 5/9(77 - 32)
c = 5/9(45)
c = 225/9
c = 25 <==

Bskool answered May 1, 2018

6.6k points

1 vote

9c/5+32=f

(9c+160)/5=f

9c+160=5f

9c=5f-160

c=(5f-160)/9

c(77)=(5(77)-160)/9

c(77)=25°

Craigds answered May 4, 2018

6.9k points

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