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Simplify \(\frac{\sqrt{12} - \sqrt{3}}{\sqrt{12} + \sqrt{3}}\)
Evaluate \(\frac{(81)^{\frac{3}{4}} - (27)^{\frac{1}{3}}}{3 \times 2^3}\)
Express the product of 0.0014 and 0.011 in standard form
A worker's present salary is N24,000 per annum. His annual increment is 10% of his basic salary. What would be his annual salary at the beginning of the third year?
The length of a notebook 15cm, was measured as 16.8cm. Calculate the percentage error to 2 significant figures.
Convert 3.1415926 to 5 decimal places
Calculate \(3310_5 - 1442_5\)
The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?
The equation of the line in the graph is
In the frustum of the cone, the top diameter is twice the bottom diameter. If the height of the frustum is h centimeters, find the height of the cone
In the diagram. Find h
In the diagram, PQRS is a parallelogram. Find the value of < SQR
| Class interval | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 | 21 - 25 |
| Frequency | 6 | 15 | 20 | 7 | 2 |
Estimate the median of the frequency distribution above