Question

Pls help question 14( and show your work I really need help)

Answer 1

see explanation

Explanation:

a

F =
`(9)/(5)` C + 32

b

(i) C = 35, then

F =
`(9)/(5)` × 35 + 32 = 63 + 32 = 95

(ii)

C = - 20, then

F =
`(9)/(5)` × - 20 + 32 = - 36 + 32 = - 4

c

Rearrange the above equation in F to solve for C

Subtract 32 from both sides

F- 32 =
`(9)/(5)` C

Multiply both sides by
`(5)/(9)`

C =
`(5)/(9)` (F - 32)

(i) F = 59, then

C =
`(5)/(9)` (59 - 32) =
`(5)/(9)` × 27 = 15

(ii) F = 14, then

C =
`(5)/(9)` (14 - 32 ) =
`(5)/(9)` × - 18 = - 10