Answers

The histogram above represents the scores of some candidates in an examination.  (a) Using the histogram, construct a…

The probabilities that Kofi, Kwasi and Ama will pass a certain examination are (frac{9}{10}, frac{4}{5}) and x respectively.…

(a) Given that (x = 3i – j, y = 2i + kj) and the cosine of the…

(a) Differentiate ((x – 3)(x^{2} + 5)) with respect to x. (b) If ((x + 1)^{2}) is a…

(a) Express (frac{5 + sqrt{2}}{3 – sqrt{2}} – frac{5 – sqrt{2}}{3 + sqrt{2}}) in the form (a +…

(a) If (f(x) = frac{x – 3}{2x – 1} , x neq frac{1}{2}) and (g(x) = frac{x – 1}{x +…

The table shows the distribution of the lengths of 20 iron rods measured in metres : Length (m)…

 Find the direction of the resultant of the forces in the diagram. Explanation (R_{1} = begin{pmatrix} -20 cos…

If (alpha) and (beta) are the roots of (3x^{2} + 5x + 1 = 0), evaluate (27(alpha^{3} +…

Find the gradient of (xy^{2} + x^{2} y = 4xy) at the point (1, 3). Explanation (xy^{2} +…