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 1381:
Reach each number to two significant figures and then evaluate
Options:
A) 0
B) 0.9
C) 1.1
D) 1.2
Show Answer
The correct answer is C .
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Question 1382: If log3x2 = -8, what is x?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is D .
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Question 1383: If the distance between the points (x, 3) and (-x, 2) is 5. Find x
Options:
A) 6.0
B) 2.5
C)
D)
Show Answer
The correct answer is C .
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Question 1384: From a point Z, 60 m north of X, a man walks 60√3m eastwards to another point Y. Find the bearing of Y from X.
Options:
A) 0.30o
B) 045o
C) 060o
D) 090o
Show Answer
The correct answer is C .
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Question 1385: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8
Options:
A) (2, 0)
B) (1, -2)
C) (-1, -2)
D) (1, 2)
Show Answer
The correct answer is B .
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Question 1386: Evaluate ∫(sec2 x - tan2x)dx
Options:
A)
B) - 2
C)
D) + 2
Show Answer
The correct answer is B .
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Question 1387:

In the figure, find PRQ
Options:
A) 66
B) 62
C) 125
D) 105
E) 65
Show Answer
The correct answer is B .
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Question 1388:
Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is B .
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Question 1389: If f(x - 4) = x2 + 2x + 3, Find, f(2)
Options:
A) 6
B) 11
C) 27
D) 51
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The correct answer is D .
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Question 1390:
Find the variance of the numbers k, k+1, k+2.
Options:
A)
B) 1
C) k + 1
D) (k + 1)2
Show Answer
The correct answer is A .