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 381: Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)
Options:
A) 17.1cm2
B) 27.2cm2
C) 47.1cm2
D) 37.3cm2
Show Answer
The correct answer is C .
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Question 382: Simplify
Options:
A)
B) 9
C) 16cm
D) 3
Show Answer
The correct answer is A .
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Question 383:
The figure is an example of the construction of a
Options:
A) perpendicular bisector of a given straight line QR
B) perpendicular from a given point to a given line QR
C) perpendicular to a line from a given point P on that line
D) given angle
Show Answer
The correct answer is B .
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Question 384:
If g(x) = x + 3x find g(x + 1) - g(x)
Options:
A) (x + 2)
B) 2(x + 2)
C) (2x + 1)
D) (x2 + 4)
Show Answer
The correct answer is B .
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Question 385: In how many ways can a team of 3 girls be selected from 7 girls?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
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Question 386: Simplify
Options:
A)
B)
C) 6
D) 85
Show Answer
The correct answer is C .
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Question 387: Determine the value of (-2 cosx)dx
Options:
A) -
B) -
C) -2
D) -3
Show Answer
The correct answer is C .
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Question 388: If x3 - 12x - 16 = 0 has x = -2 as a solution then the equaion has
Options:
A) x = -4 as a solution also
B) 3 roots all different
C) 3 roots with two equal and the third different
D) 3 roots all equal
E) only one root
Show Answer
The correct answer is B .
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Question 389: Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0
Options:
A) zero
B) 1
C) 2
D) 4
Show Answer
The correct answer is C .
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Question 390:
Find the sum of the 20 terms in an arithmetic progression whose first term is 7 and last term 117?
Options:
A) 2480
B) 1240
C) 620
D) 124
Show Answer
The correct answer is B .