Waecmaths

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Title waecmaths question
Question 42

Make w the subject of the relation $\frac{a+bc}{wd+f}=g$

Question 43

Expand the expression $(3a-xy)(3a+xy)$

Question 44

For what range of values of x is $4x-3(2x-1)>1$

Question 45

Find the smallest value of k such that ${{2}^{2}}\times {{3}^{3}}\times 5\times k$ is a perfect square 

Question 46

Simplify $\frac{4}{2x}-\frac{2+x}{x}$ 

Question 47

Two circles have radii 16cm and 23cm. What is the difference between their circumferences? (take $\pi =\tfrac{22}{7}$)

Question 48

The volume of a cylinder is 1200cm3 and the area of its base is 150cm2. Find the height of the cylinder 

Question 49

In the diagram, $\left| XR \right|=4cm$, $\left| RZ \right|=12cm,\left| SR \right|=n,\text{ }\left| YZ \right|=m$ and $\overline{SR}\parallel \overline{YZ}$. Find m in terms of n

Question 50

In the diagram O is the centre of circle and PQ is a diameter. Triangle of RSQ is an equilateral triangle of side 4cm. Find the area of the shaded region

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