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43

Consider the statements:
x: The school bus arrived late
y: The student walked down to school
Which of the following can be represented by y β‡’ x?

  • A. The school bus arrived early and Kate ran to school
  • B. Mary walked to school because the school bus arrived late
  • C. Either the school bus arrived late or Maryam walked to school
  • D. Emmanuella did not go to school because the school bus arrived late
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44

Given that P = {x : 2 ≀ x ≀ 8} and Q = {x : 4 < x ≀ 12} are subsets of the universal set ΞΌ = {x : x ∈ R}, find (P β‹‚ Q\(^1\)).

  • A. {x : 4 < x < 8}
  • B. {x : 2 < x ≀ 4}
  • C. {x : 2 ≀ x ≀ 4}
  • D. {x : 4 ≀ x ≀ 8}
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45

Find the fifth term in the binomial expansion of \((q + x)^7\).

  • A. \(21q^2x^5\)
  • B. \(21q^4x^3\)
  • C. \(35q^3x^4\)
  • D. \(35q^5x^2\)
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46

A particle began to move at \(27 ms^{-1}\) along a straight line with constant retardation of \(9 ms^{-2}\). Calculate the time it took the particle to come to a stop.

  • A. 3 sec
  • B. 2 sec
  • C. 4 sec
  • D. 1 sec
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47

Given that M is the midpoint of T (2, 4) and Q (-8, 6), find the length of MQ .

  • A. \(√26 units\)
  • B. \(√28 units\)
  • C. \(√24 units\)
  • D. \(√30 units\)
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48

Find the radius of the circle \(2x^2 + 2y^2 – 4x + 5y + 1 = 0\)

  • A. \(\frac{\sqrt33}{4}\)
  • B. \(\frac{\sqrt5}{6}\)
  • C. \(\frac{5}{6}\)
  • D. \(\frac{33}{4}\)
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49

The table shows the operation * on the set {x, y, z, w}.

* X Y Z W
X Y Z X W
Y Z W Y X
Z X Y Z W
W W X W Z

Find the identity of the element.

 

  • A. W
  • B. Y
  • C. Z
  • D. X
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50

If\((\frac{1}{9})^{2x-1} = (\frac{1}{81})^{2-3x}\)find the value of x

  • A. \(-\frac{5}{8}\)
  • B. \(-\frac{3}{4}\)
  • C. \(\frac{3}{4}\)
  • D. \(-\frac{5}{8}\)
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51

Given that \(sin x = \frac{4}{5}\) and \(cos y = \frac{12}{13}\), where x is an obtuse angle and y is an acute angle, find the value of sin (x – y).

  • A. \(\frac{63}{65}\)
  • B. \(\frac{48}{65}\)
  • C. \(\frac{56}{65}\)
  • D. \(\frac{16}{65}\)
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52

Evaluate \(\int^1_0 x(x^2-2)^2 dx\)

  • A. \(\frac{6}{7}\)
  • B. \(1\frac{1}{6}\)
  • C. \(\frac{1}{7}\)
  • D. \(3\frac{1}{6}\)
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53

The distance S metres moved by a body in t seconds is given by \(S = 5t^3 – \frac{19}{2} t^2 + 6t – 4\). Calculate the acceleration of the body after 2 seconds

  • A. 19 \(ms ^{-2}\)
  • B. 21 \(ms ^{-2}\)
  • C. 41 \(ms ^{-2}\)
  • D. 31 \(ms ^{-2}\)
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54

Find the equation of the normal to the curve y = \(3x^2 + 2\) at point (1, 5).

  • A. 6y - x - 29 = 0
  • B. 6y + x - 31 = 0
  • C. y - 6x - 1 = 0
  • D. y - 6x + 1 = 0
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55

Calculate, correct to one decimal place, the angle between 5 i + 12 j and -2 i + 3 j

  • A. 56.3ΒΊ
  • B. 76.3ΒΊ
  • C. 66.4ΒΊ
  • D. 54.8ΒΊ
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