The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?
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1994
The equation of the line in the graph is
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1994
In the frustum of the cone, the top diagram is twice the bottom diameter. If the height of the frustum is h centimeters, find he height of the cone.
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1994
In the diagram. Find h
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1994
In the diagram, PTS is a tangent to the circle TQR at T. Calculate < RTS
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1994
In the diagram, O is the centre of the circle. If SOQ is a diameter and < PRS is 38\(^{\circ}\), what is the value of < PSQ
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1994
Find the inequality which represents the shaded portion in the diagram
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1994
The equation of the graph is
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1994
A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score.
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1994
In a survey, it was observed that 20 students read newspapers and 35 read novels. If 40 of the students read either newspapers or novels, what is the probability of the students who read both newspapers and novels?
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1994
\(\begin{array}{c|c} x & 1 & 2 & 3 & 4 & 5 \\ \hline f & 2 & 1 & 2 & 1 & 2\end{array}\)Find the variance of the frequency distribution above
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1994
\(\begin{array}{c|c} \text{Class Interval} & 1 - 5 & 6 - 10 & 11 - 15 & 16 - 20 & 21 - 25 \\ \hline Frequency & 6 & 15 & 20 & 7 & 2\end{array}\)Estimate the median of the frequency…
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1994
Find the mean deviation of the set of numbers 4, 5, 9
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1994
\(\begin{array}{c|c} x & 1 & 2 & 3 & 4 & 5 \\ \hline f & y + 2 & y - 2 & 2y - 3 & y + 4 & 3y - 4\end{array}\)This table shows the frequency distribution of a data if the mean is \(…
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1994
Evaluate \(\int^{1}_{-1}\)(2x + 1)2dx
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1994
Find the point (x, y) on the Euclidean plane where the curve y = 2x2 - 2x + 3 has 2 as gradient
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1994
If y = 3t3 + 2t2 - 7t + 3, find \(\frac{dy}{dt}\) at t = -1
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1994
What is the value of sin(-690)?
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1994
The angle of depression of a boat from the top of a cliff 10m high is 30. How far is the boat from the foot of the cliff?
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1994
If M(4, q) is the mid-point of the line joining L(p, -2) and N(q, p). Find the values of p and q