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A binary operation is a mathematical rule used for combining two elements to produce another element…
Two parallel chords, with lengths 12cm and 16cm, lie on opposite sides of the centre of a circle of radius 10cm. Calculate the distance between the chords.
The line of best fit in a scatter diagram passes through the points (2,-3) and (10,9) in the x-y plane. What will be the predicted value for y when x = 4?
A rectangle has a perimeter of 24cm. Find its dimensions if its area is to be a maximum.
A straight line which divides one or more lines and angles into two equal parts is called a …
The gradient of a curve at any point is 4x-1. If the point (-1,0) lies on it, find its equation.
Find the matrix of the linear transformation x1 = 3x+y and y1 = 2x-3y.
The radius of a circle is 4 times that of another, what is the relationship between their areas?
A man bought a car for 8.5 million cedis and later sold it for 9.5 million cedis. Find his percentage gain.
The exterior angle of a regular pentagon is 70 degrees. Find the sum of its interior angles.
Two dice are thrown once. What is the probability that the same number shows up on both dice?
Find the equation of the line which passes through the points (-2,7) and (2,-3).
The point P(-3,4) is reflected in the line x+2 = 0. Find the co-ordinates of the image of P.
In a class of 20 students, 16 play soccer, 12 play hockey and 2 do not play any of the two games. How many students play only hockey?
Sample question: Guide: Review the concept of Spearman’s Rank Correlation in your textbook. Download the file below and practice problem solving.
The mean of the numbers 15,21,17,26 18,29 is 21. Calculate the standard deviation of the numbers.
The length of a side of an equilateral triangle is 10cm. Find the height of the triangle.
Sample question: Guide: Review the concept of Variation in your textbook. Download the file below and practice problem solving. Don’t forget to do step 1