Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.
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Question 511:
Find the area of a regular hexagon inscribed in a circle of radius 8cm
Options:
A) 16 cm2
B) 96 cm2
C) 192 cm2
D) 16 cm2
E) 33cm2
Show Answer
The correct answer is B .
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Question 512: Find the solution of the equation x + 2 = 0
Options:
A) (4, 16)
B) (2, 4)
C) (4, 1)
D) (1, 16)
E) (16, 16)
Show Answer
The correct answer is A .
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Question 513: cosx dx
Options:
A) 7
B) 1
C) 2
D) 3
Show Answer
The correct answer is B .
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Question 514:

In the diagram above, PST is a straight line, PQ = QS = RS. If ∠RST = 72, find x
Options:
A) 36
B) 18
C) 72
D) 24
Show Answer
The correct answer is D .
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Question 515: The scores of 16 students in a mathematics test are 65, 65, 55, 60, 60, 65, 60, 70, 75, 70, 65, 70, 60, 65, 65,
70. What is the sum of the median and modal scores?
Options:
A) 125
B) 130
C) 140
D) 150
Show Answer
The correct answer is B .
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Question 516: Rationalize the denominator of the expression
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 517: Simplify 52.4 - 5.7 - 3.45 - 1.75
Options:
A) 41.4
B) 41.5
C) 42.1
D) 42.2
Show Answer
The correct answer is B .
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Question 518: If p varies inversely as the cube of q and q varies directly as the square of r, what is the relationship between p and r?
Options:
A) p varies directly as r3
B) p varies inversely as r6
C) p varies inversely as 6√P
D) p varies directly as r6
Show Answer
The correct answer is C .
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Question 519:
A circle has a radius of 13 cm with a chord 12 cm away from the centre of the circle. Calculate the length of the chord.
Options:
A) 16 cm
B) 8 cm
C) 5 cm
D) 10 cm
Show Answer
The correct answer is D .
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Question 520:
If y = 8x - 3x + 7x - 1, find .
Options:
A) 48x - 6
B) 11x + 6x - 7
C) 32x + 7
D) 24x - 6x + 7
Show Answer
The correct answer is A .