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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4,407 questionsFind the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12
The locus of a point P which is equidistant from two given points S and T is
Find the value of a if the line 2y - ax + 4 = 0 is perpendicular to the line y + (x/4) - 7 = 0
A solid hemisphere has a radius of 7 cm. Find the total surface area.
A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45°. if the distance between the hunter and the tree is 10.4 m, find the height of the tree.
Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8
The sum of the interior angles of a polygon is 20 right angles. How many sides does the polygon have?
A bucket is 12 cm in diameter at the top, 8 cm in diameter at the bottom and 4 cm deep. Calculate its volume.
Find the equation of the set of points which are equidistant from the parallel lines x = 1 and x = 7
If tan θ = 4/3, calculate sin\(^2\) θ - cos\(^2\) θ.
A chord of a circle subtends an angle of 120° degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector.
If x varies directly as √n and x = 9 when n = 9, find x when n = (17/9)
The sum to infinity of the series: 1 + (1/3) + (1/9) + (1/27) + ... is
The binary operation * is defined on the set of integers p and q by p*q = pq + p + q. Find 2 * (3 * 4).
If -2 is the solution of the equation 2x + 1 - 3c = 2c + 3x - 7, find the value of c.
The inverse function f(x) = 3x + 4 is
Make r subject of the formula given that \(\frac{x}{r+a}=\frac{a}{r}\)
If the 9th term of an A.P is five times the 5th term, find the relationship between a and d.
Find the maximum value of y in the equation y = 1 - 2x - 3x\(^2\)