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Ibeere 1 Ìròyìn
P, Q, R, S are points in a plane such that PQ = 8i - 5j, QR = 5i + 7j, RS = 7i + 3j and PS = xi + yj. Find (x, y).
Ibeere 2 Ìròyìn
The third of geometric progression (G.P) is 10 and the sixth term is 80. Find the common ratio.
Ibeere 3 Ìròyìn
If \(h(x) = x^{3} - \frac{1}{x^{3}}\), evaluate \(h(a) - h(\frac{1}{a})\).
Ibeere 4 Ìròyìn
The roots of a quadratic equation are \((3 - \sqrt{3})\) and \((3 + \sqrt{3})\). Find its equation.
Ibeere 5 Ìròyìn
If (x - 3) is a factor of \(2x^{2} - 2x + p\), find the value of constant p.
Ibeere 6 Ìròyìn
If \(y = 2(2x + \sqrt{x})^{2}\), find \(\frac{\mathrm d y}{\mathrm d x}\).
Ibeere 7 Ìròyìn
If \(\begin{vmatrix} 3 & x \\ 2 & x - 2 \end{vmatrix} = -2\), find the value of x.
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Ibeere 8 Ìròyìn
Two forces \(F_{1} = (7i + 8j)N\) and \(F_{2} = (3i + 4j)N\) act on a particle. Find the magnitude and direction of \(F_{1} - F_{2}\).
Ibeere 10 Ìròyìn
The coefficient of the 7th term in the binomial expansion of \((2 - \frac{x}{3})^{10}\) in ascending powers of x is
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Ibeere 11 Ìròyìn
In a class of 50 pupils, 35 like Science and 30 like History. What is the probability of selecting a pupil who likes both Science and History?
Ibeere 14 Ìròyìn
Simplify \(\frac{\log_{5} 8}{\log_{5} \sqrt{8}}\).
Ibeere 15 Ìròyìn
The probabilities that a husband and wife will be alive in 15 years time are m and n respectively. Find the probability that only one of them will be alive at that time.
Ibeere 16 Ìròyìn
If \(\frac{5}{\sqrt{2}} - \frac{\sqrt{8}}{8} = m\sqrt{2}\), where m is a constant. Find m.
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Ibeere 17 Ìròyìn
A bicycle wheel of diameter 70 cm covered a distance of 350 cm in 2 seconds. How many radians per second did it turn?
Ibeere 18 Ìròyìn
Two particles are fired together along a smooth horizontal surface with velocities 4 m/s and 5 m/s. If they move at 60° to each other, find the distance between them in 2 seconds.
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Ibeere 19 Ìròyìn
The initial velocity of an object is \(u = \begin{pmatrix} -5 \\ 3 \end{pmatrix} ms^{-1}\). If the acceleration of the object is \(a = \begin{pmatrix} 3 \\ -4 \end{pmatrix} ms^{-2}\) and it moved for 3 seconds, find the final velocity.
Ibeere 21 Ìròyìn
A company took delivery of 12 vehicles made up of 7 buses and 5 saloon cars for two of its departments; Personnel and General Administration. If the Personnel department is to have at least 3 saloon cars, in how many ways can these vehicles be distributed equally between the departments?
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Ibeere 22 Ìròyìn
Find the axis of symmetry of the curve \(y = x^{2} - 4x - 12\).
Ibeere 23 Ìròyìn
The mean age of 15 pupils in a class is 14.2 years. One new pupil joined the class and the mean changed to 14.1 years. Calculate the age of the new pupil.
Ibeere 24 Ìròyìn
Find the direction cosines of the vector \(4i - 3j\).
Ibeere 25 Ìròyìn
A stone is thrown vertically upwards and its height at any time t seconds is \(h = 45t - 9t^{2}\). Find the maximum height reached.
Ibeere 26 Ìròyìn
If \(\sin x = -\sin 70°, 0° < x < 360°\), determine the two possible values of x.
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Ibeere 27 Ìròyìn
Yomi was asked to label four seats S, R, P, Q. What is the probability he labelled them in alphabetical order?
Ibeere 28 Ìròyìn
What is the angle between \(a = (3i - 4j)\) and \(b = (6i + 4j)\)?
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Ibeere 29 Ìròyìn
The distance s metres of a particle from a fixed point at time t seconds is given by \(s = 7 + pt^{3} + t^{2}\), where p is a constant. If the acceleration at t = 3 secs is \(8 ms^{-2}\), find the value of p.
Ibeere 30 Ìròyìn
If \(\overrightarrow{OA} = 3i + 4j\) and \(\overrightarrow{OB} = 5i - 6j \) where O is the origin and M is the midpoint of AB, find OM.
Ibeere 31 Ìròyìn
Find the value of \(\cos(60° + 45°)\) leaving your answer in surd form.
Ibeere 32 Ìròyìn
Given that \(P = {x : \text{x is a factor of 6}}\) is the domain of \(g(x) = x^{2} + 3x - 5\), find the range of x.
Ibeere 33 Ìròyìn
Calculate, correct to one decimal place, the acute angle between the lines 3x - 4y + 5 = 0 and 2x + 3y - 1 = 0.
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Ibeere 34 Ìròyìn
Calculate, correct to one decimal place, the length of the line joining points X(3, 5) and Y(5, 1).
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Ibeere 36 Ìròyìn
Find the maximum value of \(2 + \sin (\theta + 25)\).
Ibeere 38 Ìròyìn
Find the domain of \(f(x) = \frac{x}{3 - x}, x \in R\), the set of real numbers.
Ibeere 39 Ìròyìn
For what values of x is \(\frac{x^{2} - 9x + 18}{x^{2} + 2x - 35}\) undefined?
Ibeere 40 Ìròyìn
Two forces (2i - 5j)N and (-3i + 4j)N act on a body of mass 5kg. Find in \(ms^{-2}\), the magnitude of the acceleration of the body.
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