Mathematics (S.S.3)
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A motorist drives for m hours at 120km/hr and n hours at 18km/hr. Altogether Somina drives 78km in 5 hours. Find m and n.
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Factorize x2 + 2a + ax + 2x.
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Water flows through a 3cm diameter pipe at the rate of 3 metres/second. How many water flow through the pipe in one second and express the flow of water as a rate in litres/minute?
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The lengths, in cm, of the sides of a right-angled triangle are x, (x + 2) and (x + 1) where x > 0. Find, in cm, the length of its hypotenuse.
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A measuring cylinder of radius 3.5cm contains water to a height of 56cm. If this water is poured into a similar cylinder of radius 14cm, what will be the height of the water column?
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A student travelled for x hours at 5km/hr and for y hours at 10km/hr. The journey was 35km altogether, which of the following equations represent the given information if the average speed for the journey was 7km/hr?
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A rectangle has length x cm and width (x – 1) cm. If the perimeter is 16cm, find the value of x.
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Solve the equation 2a2 – 3a – 27 = 0.
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