WAEC Mathematics 2016 Objective — Question 14
Question 14 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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14. Make s the subject of the relation p = s + sm²/nr. A. s = mrp/(nr+m²) B. s = (nr+m²)/mrp C. s = nrp/(mr+m²) D. s = nrp/(nr+m²)
- A. s = mrp/(nr+m²)
- B. s = (nr+m²)/mrp
- C. s = nrp/(mr+m²)
- D. s = nrp/(nr+m²)Correct
Explanation
p=s(1+m²/nr)=s(nr+m²)/nr → s = nrp/(nr+m²).
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