1.

In drilling world's deepest hole it was found that the temperature T in degree celcius, x km below the earth's surface was given by T = 30 + 2.5 (x -3), 3 ≤x≤15. It was assumed that this drilling resulted 5% increase in carbon dioxide level at a temperature above 205∘ and below 155∘C, so drillers tried to control the depth between these two limits. At what depth will the temperature be between 155∘ and 205∘ What values are depicted here by the drillers for selecting this temperature range ?

Answer»

In drilling world's deepest hole it was found that the temperature T in degree celcius, x km below the earth's surface was given by T = 30 + 2.5 (x -3), 3 x15. It was assumed that this drilling resulted

5% increase in carbon dioxide level at a temperature above

205 and below 155C, so drillers tried to control the depth between these two limits. At what depth will the temperature be between 155 and 205 What values are depicted here by the drillers for selecting this temperature range ?



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