Question

plz help

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Answer 1

Formula: i. C/5 = (F-32)/9

ii. K = 273+°C

1. -20/5 = (F-32)/9

= -4 = (F-32)/9

= -36 = F-32

= -4°F

K = 273+(-20)°C

= 273-20

= 253 K

2. 25/5 = (F-32)/9

= 5 = (F-32)/9

= 45 = F-32

= 77°F

K = 273+25°C

= 298 K

3. C/5 = (30-32)/9

= C/5 = -2/9

= 9C = -10

= -10/9°C

= -1.12°C

4. C/5 = (44-32)/9

= C/5 = 12/9

= 9C = 60

= 60/9°C

= 6.67°C

I hope this helps.