In the diagram are two concentric circles of radii r and R respectively with centre O. If r = \(\frac{2}{5}\)R, express the area of the shaded portion in terms of \(\pi\) and R
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2002
The triangle POR is
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2002
Using the graph find the values of p and q if px + qy \(\geq\) 4
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2002
The mean and the range of the set of numbers 1, 20, 1.00, 0.90, 1.40, 0.80, 1.20 and 1.10 are me and r
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2002
Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8.
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2002
The mean of a set of six numbers is 60. If the mean of the first five is 50, find the sixth number in the set.
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2002
How many three-digit numbers can be formed from 32564 without repeating any of the digits?
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2002
The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart?
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2002
The probability of a student passing any exam is 2/3. If the student takes three exams, what is the probability that he will not pass any of them?
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2002
The range of the data: k+2, k-3, k+4, k-2, k, k-5, k+3, k-1, and k+6 is
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2002
Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12
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2002
The locus of a point P which is equidistant from two given points S and T is
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2002
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0
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2002
A solid hemisphere has a radius of 7 cm. Find the total surface area.
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2002
A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45 degrees. if the distance between the hunter and the tree is 10.4 m, find the height of the tree.
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2002
Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8
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2002
The sum of the interior angles of a polygon is 20 right angles. How many sides does the polygon have?
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2002
A bucket is 12 cm in diameter at the top, 8 cm in diameterat the bottom and 4 cm deep. Calculate its volume.
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2002
Find the equation of the set of points which are equidistant from the parallel lines x = 1 and x = 7