Answers The sum of the first n terms of a linear sequence is (S_{n} = n^{2}… The sum of the first n terms of a linear sequence is (S_{n} = n^{2} + 2n). Find… Read More
Answers Simplify (frac{sqrt{3} + sqrt{48}}{sqrt{6}}) Simplify (frac{sqrt{3} + sqrt{48}}{sqrt{6}}) A. (3sqrt{2}) B. (5sqrt{2}) C. (frac{5sqrt{2}}{2}) D. (frac{3sqrt{2}}{2}) Correct Answer: Option C Explanation (frac{sqrt{3}… Read More
Answers Find the range of values of x for which (2x^{2} + 7x – 15 >… Find the range of values of x for which (2x^{2} + 7x – 15 > 0). A. (x… Read More
Answers In the diagram, a ladder PS leaning against a vertical wall PR makes angle x°… In the diagram, a ladder PS leaning against a vertical wall PR makes angle x° with the horizontal… Read More
Answers A body is acted upon by forces (F_{1} = (10 N, 090°)) and (F_{2} =… A body is acted upon by forces (F_{1} = (10 N, 090°)) and (F_{2} = (6 N, 180°)).… Read More
Answers The ages, in years, of 5 boys are 5, 6, 6, 8 and 10. Calculate,… The ages, in years, of 5 boys are 5, 6, 6, 8 and 10. Calculate, correct to one… Read More
Answers Express the force F = (8 N, 150°) in the form (a i + b… Express the force F = (8 N, 150°) in the form (a i + b j) where a… Read More
Answers Three defective bulbs got mixed up with seven good ones. If two bulbs are selected… Three defective bulbs got mixed up with seven good ones. If two bulbs are selected at random, what… Read More
Answers Two balls are drawn, from a bag containing 3 red, 4 white and 5 black… Two balls are drawn, from a bag containing 3 red, 4 white and 5 black identical balls. Find… Read More
Answers A force F acts on a body of mass 12kg increases its speed from 5… A force F acts on a body of mass 12kg increases its speed from 5 m/s to 35… Read More