In coal specs IDT means initial deformation temperature of Ash.
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Q = m*c*delta Tc for coal = 0.24 (depending on its origin)Q = 5*0.24*(220-20) = 240 Joulesc for anthracite coal is also given as 0.201 which will give an answer of 201 Joules
It used to be the National Coal Board (in the UK).
what is least positive integer that is divisible by each of the integers 1 through 7 inclusive ? a 420 b 840 c 1260 d 2520 e 5o40
Ah, that's a big number! In Roman numerals, 9999999 is written as IX CM XC IX. Each letter represents a different value, and when combined, they create this beautiful Roman numeral that tells a story of patience and perseverance. Just like painting a masterpiece, sometimes it takes many small strokes to create something truly magnificent.
(3c +15)/(c2 - 5) + c/(c + 5)= (3c + 15)/(c - 5)(c + 5) + c/(c + 5)= (3c + 15)/(c - 5)(c + 5) + [c(c - 5)/(c + 5)(c - 5)(since the common denominator is (c + 5)(c - 5)= (3c + 15)/(c - 5)(c + 5) + (c2 - 5c)/(c + 5)(c - 5)= (3c + 15 + c2 - 5c)/(c - 5)(c + 5)= (c2 - 2c + 15)/(c - 5)(c + 5)= [(c - 5)(c + 3)]/(c - 5)(c + 5) (simplify)= (c + 3)/(c + 5)