devozeeba 4.1 Write down the name and heart rate of the fittest person in the class. (2) 4.2 Determine the modal heart rate for the class. (2) 4.3 Calculate the mean heart rate for the girls (Group 1). (3) 4.4 Calculate the median heart rate for the boys (Group 2) (3) 4.5 By looking at the … Read more
3.1 How many boys in Grade 10, who are under the age of 18 years, drink alcohol? (2) 3.2 In which grade does underage drinking occur the most? (2) 3.3 How many students surveyed in Grade 8 do not drink alcohol? (3) 3.4 According to Aware.org, 50% of all teenagers in South Africa drink alcohol … Read more
2.1 Calculate the monthly payment on the items that are quoted per year. (3) 2.2 How much did the Mbeles spend in May? (2) 2.3 Mr and Mrs Mbele together earn R17 000 per month. How much did they overspend in May? (2) 2.4 Mr Mbele is a very good watch salesman. For every two … Read more
1.1 What is the meaning of the hashtag symbol (#) that is found next to certain prices? (2) 1.2 Calculate the total cost of the hamburger buns. (2) 1.3 Write the cost of one bag of jellybeans as a ratio to the cost of one bag of chips. Give your answer as a simplified ratio. … Read more
The cylinder in the diagram below has a diameter of 4x units and a height of h meters. Thecylinder is open at the top and the total surface area of the cylinder = 32Ï€ meters. Calculate the height of the cylinder in terms of x. (3) [3]TOTAL: 100
5.1 Use the diagram below to prove that the opposite sides of a parallelogram are equal, i.e. AB = CD and AD = BC. Hint: Prove that ∆ ABD = ∆ CDB (4) 5.2 In the diagram below, KLMN is a parallelogram with NÌ‚ = 7x – 30° and LÌ‚ = 5x + 18°. 5.2.1 … Read more
In the diagram below, the graph of f(x) = tan x is drawn for x ε [0° ; 360°]. 4.1 Sketch on the same axis the graph of g(x) = sin 2x for x ε [0° ; 360°]. (4) 4.2 What is the amplitude of f ? (1) 4.3 Write down the period of g. … Read more
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In the diagram below, the coordinates of ∆ABC are given as A(– 2 ; 4) , B(– 6 ; – 2) andC(8 ; 2). P and Q are the midpoints of AB and BC respectively. 2.1 Calculate the coordinates of P and Q. (4) 2.2 Show that: 2.2.1 PQ // AC (4) 2.2.2 PQ = … Read more
1.1 The following mathematics test marks were recorded for a Grade 10A class of 28 students. 1.1.1 Complete the table above by filling in the two missing numbers. (2) 1.1.2 Calculate an estimate of the mean mark. (2) 1.1.3 Represent the data on a frequency polygon. (3) 1.1.4 In which interval does the (a) median … Read more