Please solve this question, So that I can follow you and mark you as BRAINLIEST. NOTE :-"The unusual answer or photo will be reported"
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Step-by-step explanation:
1) here the temp. in C is given = 40°
So, as per q.
F = (9/5)C+32
F = (9/5)40+32
F = 72+32
F = 104°
2) here the temp. in F is given = 86°
So, as per q.
F = (9/5)C+32
=> 86 = (9/5)C+32
=> (9/5)C = 86-32
=> C = 54(5/9)
=> C = 30°
3) Yes.
now, as per q.; F=C
let F & C be 'x'
So,
=> x = (9/5)x+32
=> x = (9x+160)/5
=> 5x = 9x+160
=> 5x - 9x = 160
=> -4x = 160
=> x = 160/(-4)
=> x = (-40°)
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