Question

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Answer 1

Step-by-step explanation:

a F= 9/5×30+32=86

b 95= 9/5C+32

95-32=9/5C

63×5/9=C

C= 35

c F= 32

C= -160/9

d yes -40

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Answer 2

Step-by-step explanation:

(a) F = (9/5) × 30 + 32 = 86 F

(b) 95 = (9/5) C + 32

95 -32 = (9/5) C

63 × 5 / 9 =C

C = 35 C

(c)

F = (9/5) 0 + 32

F = 32 F

if F = 0

0 = (9/5) C + 32

C = -32 × 5 / 9

C = 17.77 C

(d)

Yes, - 40

F = (9/5) -40 +32

= -72 +32

= -40